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Seagate Technology Holdings plc(STX US)

$630.49-11.651.81%Ext:$630.93+0.440.07%(Market Closed · 23:59:51 UTC)

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STX US​

SEC Filings by Owner

Insider Ownership

LUCZO STEPHEN J(205)

  • 4Statement of changes in beneficial ownership8 Mar 2022
  • 4Statement of changes in beneficial ownership4 Jan 2022
  • 4Statement of changes in beneficial ownership19 Nov 2021
  • 4Statement of changes in beneficial ownership22 Oct 2021
  • 5Annual statement of beneficial ownership22 Oct 2021
  • 5/AAnnual statement of beneficial ownership (amendment)19 Nov 2021
  • 4Statement of changes in beneficial ownership28 Apr 2021
  • 4Statement of changes in beneficial ownership16 Mar 2021
  • 4Statement of changes in beneficial ownership10 Mar 2021
  • 4Statement of changes in beneficial ownership8 Mar 2021

MOSLEY WILLIAM D(137)

  • 4Statement of changes in beneficial ownership2 Oct
  • 4Statement of changes in beneficial ownership2 Oct
  • 4Statement of changes in beneficial ownership16 Sep
  • 4Statement of changes in beneficial ownership15 Sep
  • 4Statement of changes in beneficial ownership11 Sep
  • 4Statement of changes in beneficial ownership3 Sep
  • 4Statement of changes in beneficial ownership24 Aug
  • 4Statement of changes in beneficial ownership4 Aug
  • 4Statement of changes in beneficial ownership4 Aug
  • 4Statement of changes in beneficial ownership2 Jul

Teh Ban Seng(73)

  • 4Statement of changes in beneficial ownership16 Sep
  • 4Statement of changes in beneficial ownership15 Sep
  • 4Statement of changes in beneficial ownership11 Sep
  • 4Statement of changes in beneficial ownership24 Aug
  • 4Statement of changes in beneficial ownership24 Aug
  • 4Statement of changes in beneficial ownership14 Aug
  • 4Statement of changes in beneficial ownership15 Jun
  • 4Statement of changes in beneficial ownership11 Jun
  • 4Statement of changes in beneficial ownership14 May
  • 4Statement of changes in beneficial ownership12 Mar

MASSARONI KENNETH M(72)

  • 4Statement of changes in beneficial ownership5 Oct 2017
  • 4Statement of changes in beneficial ownership5 Jul 2017
  • 4Statement of changes in beneficial ownership14 Jun 2017
  • 4Statement of changes in beneficial ownership16 May 2017
  • 3Initial statement of beneficial ownership16 May 2017
  • 4Statement of changes in beneficial ownership23 Jul 2015
  • 4Statement of changes in beneficial ownership13 Feb 2015
  • 4SELL TO COVER4 Nov 2014
  • 4PERFORMANCE CERTIFICATION15 Sep 2014
  • 4PERFORMANCE SHARE UNIT VESTING12 Sep 2014

Romano Gianluca(64)

  • 4Statement of changes in beneficial ownership16 Sep
  • 4Statement of changes in beneficial ownership15 Sep
  • 4Statement of changes in beneficial ownership15 Sep
  • 4Statement of changes in beneficial ownership11 Sep
  • 4Statement of changes in beneficial ownership24 Aug
  • 4Statement of changes in beneficial ownership11 Aug
  • 4Statement of changes in beneficial ownership11 Aug
  • 4Statement of changes in beneficial ownership11 Aug
  • 4Statement of changes in beneficial ownership15 Jun
  • 4Statement of changes in beneficial ownership11 Jun

DAVIDSON JAMES(59)

  • 5FORFEITURE OF SHARES11 Aug 2008
  • 4STOCK OPTION EXERCISE AND SALE OF SHARES6 Nov 2007
  • 4ANNUAL ISSUANCE OF STOCK OPTION AND AWARD29 Oct 2007
  • 410B-1 PLAN SALE OF SHARES BY SILVER LAKE PARTNERS28 Sep 2007
  • 410B-1 PLAN SALE OF SHARES BY SILVER LAKE PARTNERS28 Sep 2007
  • 410B-1 PLAN SALE OF SHARES BY SILVER LAKE PARTNERS28 Sep 2007
  • 410B-1 PLAN SALE OF SHARES BY SILVER LAKE PARTNERS28 Sep 2007
  • 410B-1 PLAN SALE OF SHARES BY SILVER LAKE PARTNERS25 Sep 2007
  • 410B-1 PLAN SALE OF SHARES BY SILVER LAKE PARTNERS25 Sep 2007
  • 410B-1 PLAN SALE OF SHARES BY SILVER LAKE PARTNERS25 Sep 2007

MORTON DAVID H JR(55)

  • 4Statement of changes in beneficial ownership27 Jul 2018
  • 4Statement of changes in beneficial ownership7 Mar 2018
  • 4Statement of changes in beneficial ownership22 Feb 2018
  • 4Statement of changes in beneficial ownership10 Jan 2018
  • 4Statement of changes in beneficial ownership25 Oct 2017
  • 4Statement of changes in beneficial ownership15 Sep 2017
  • 4Statement of changes in beneficial ownership12 Sep 2017
  • 4Statement of changes in beneficial ownership26 Jul 2017
  • 4Statement of changes in beneficial ownership13 Jun 2017
  • 4Statement of changes in beneficial ownership22 Feb 2017

Whitmore Robert W(51)

  • 4CASHLESS EXERCISE31 May 2013
  • 4CASHLESS EXERCISE20 May 2013
  • 4CASHLESS EXERCISE6 Feb 2013
  • 4CASHLESS EXERCISE26 Nov 2012
  • 4CASHLESS EXERCISE6 Nov 2012
  • 4FOCAL OPTION GRANT ISSUANCE12 Sep 2012
  • 4CASHLESS EXERCISE31 Aug 2012
  • 4STOCK EXERCISE AND SALE6 Aug 2012
  • 4/ASHARE RELEASES10 Aug 2012
  • 4SHARE RELEASES26 Jul 2012

WATKINS WILLIAM D(50)

  • 4Statement of changes in beneficial ownership6 Feb 2009
  • 5ESPP SHARE PURCHASES11 Aug 2008
  • 410B5-1 SALE OF SHARES27 Dec 2007
  • 410B5-1 SALE OF SHARES7 Dec 2007
  • 410B5-1 SALE OF SHARES30 Nov 2007
  • 410B5-1 SALE OF SHARES27 Nov 2007
  • 410B5-1 SALE OF SHARES2 Nov 2007
  • 410B5-1 SALE OF SHARES23 Oct 2007
  • 410B5-1 SALE OF SHARES12 Oct 2007
  • 4/AGRANT OF OPTIONS AND ISSUANCE OF SHARES23 Oct 2007

O MALLEY PATRICK J(45)

  • 4Statement of changes in beneficial ownership16 Sep 2015
  • 4Statement of changes in beneficial ownership23 Sep 2015
  • 4Statement of changes in beneficial ownership11 Sep 2015
  • 4Statement of changes in beneficial ownership23 Jul 2015
  • 4Statement of changes in beneficial ownership4 Mar 2015
  • 4STOCK OPTION EXERCISES AND SALE4 Nov 2014
  • 4PERFORMANCE CERTIFICATION15 Sep 2014
  • 4PERFORMANCE SHARE UNIT VESTING12 Sep 2014
  • 4STOCK OPTION GRANT11 Sep 2014
  • 4STOCK OPTION EXERCISES27 Aug 2014

Richarz David K(42)

  • 4Statement of changes in beneficial ownership28 Apr 2015
  • 4Statement of changes in beneficial ownership6 Feb 2015
  • 4SALE OF SHARES24 Nov 2014
  • 4SALE OF SHARES17 Nov 2014
  • 4SALE OF SHARES5 Nov 2014
  • 4EXERCISE AND SALE OF SHARES3 Nov 2014
  • 4PERFORMANCE CERTIFICATION15 Sep 2014
  • 4PERFORMANCE SHARE UNIT VESTING12 Sep 2014
  • 4SHARE RELEASES25 Jul 2014
  • 4CASHLESS STOCK OPTION TRANSACTION20 May 2014

Nygaard Jeffrey D.(42)

  • 4Statement of changes in beneficial ownership2 Feb 2023
  • 4Statement of changes in beneficial ownership14 Sep 2022
  • 4Statement of changes in beneficial ownership13 Sep 2022
  • 4Statement of changes in beneficial ownership26 Jul 2022
  • 4Statement of changes in beneficial ownership6 Jan 2022
  • 4/AStatement of changes in beneficial ownership (amendment)10 Jan 2022
  • 4Statement of changes in beneficial ownership23 Nov 2021
  • 4Statement of changes in beneficial ownership15 Sep 2021
  • 4Statement of changes in beneficial ownership14 Sep 2021
  • 4Statement of changes in beneficial ownership14 Sep 2021

PARK CHONG SUP(41)

  • 4Statement of changes in beneficial ownership22 Oct 2018
  • 4Statement of changes in beneficial ownership1 Feb 2018
  • 4Statement of changes in beneficial ownership19 Oct 2017
  • 4Statement of changes in beneficial ownership18 May 2017
  • 4Statement of changes in beneficial ownership3 Feb 2017
  • 4Statement of changes in beneficial ownership23 Nov 2016
  • 4Statement of changes in beneficial ownership20 Oct 2016
  • 4Statement of changes in beneficial ownership23 Oct 2015
  • 4SALE OF SHARES4 Nov 2014
  • 4AWARD ISSUANCE & SELL TO COVER23 Oct 2014

Morris John Christopher(41)

  • 4Statement of changes in beneficial ownership22 Sep
  • 4Statement of changes in beneficial ownership16 Sep
  • 4Statement of changes in beneficial ownership15 Sep
  • 4Statement of changes in beneficial ownership11 Sep
  • 4Statement of changes in beneficial ownership24 Aug
  • 4Statement of changes in beneficial ownership4 Aug
  • 4Statement of changes in beneficial ownership15 Jun
  • 4Statement of changes in beneficial ownership11 Jun
  • 4Statement of changes in beneficial ownership6 May
  • 4Statement of changes in beneficial ownership16 Mar

DEXHEIMER BRIAN S(40)

  • 4GRANT OF OPTIONS AND AWARD OF SHARES16 Sep 2008
  • 4SALE OF SHARES6 Nov 2007
  • 4/ASALE OF SHARES - CORRECTION TO FORM 411 Aug 2008
  • 4SALE OF SHARES26 Oct 2007
  • 4SALE OF SHARES23 Oct 2007
  • 4SALE OF SHARES23 Oct 2007
  • 410B5-1 SALE OF OPTIONS19 Oct 2007
  • 410B5-1 SALE OF OPTIONS28 Sep 2007
  • 4GRANT OF OPTIONS AND AWARD OF SHARES17 Sep 2007
  • 410B5-1 SALE OF OPTIONS31 Aug 2007

WICKERSHAM DAVID A(37)

  • 4OPTION GRANT AND AWARD OF SHARES16 Sep 2008
  • 5ESPP PURCHASE11 Aug 2008
  • 4SALE OF SHARES6 Nov 2007
  • 4SALE OF SHARES26 Oct 2007
  • 410B5-1 SALE OF OPTION SHARES19 Oct 2007
  • 410B5-1 SALE OF OPTION SHARES12 Oct 2007
  • 4/A10B5-1 SALE OF OPTION SHARES19 Oct 2007
  • 4GRANT OF OPTIONS AND ISSUANCE OF SHARES17 Sep 2007
  • 4SALE OF SHARES 10B5 PLAN4 Sep 2007
  • 4SALE OF SHARES 10B5 PLAN31 Aug 2007

Chong Kian Fatt(35)

  • 4Statement of changes in beneficial ownership16 Sep
  • 4Statement of changes in beneficial ownership15 Sep
  • 4Statement of changes in beneficial ownership11 Sep
  • 4Statement of changes in beneficial ownership24 Aug
  • 4Statement of changes in beneficial ownership15 Jun
  • 4Statement of changes in beneficial ownership11 Jun
  • 4Statement of changes in beneficial ownership12 Mar
  • 4Statement of changes in beneficial ownership11 Mar
  • 4Statement of changes in beneficial ownership23 Feb
  • 4Statement of changes in beneficial ownership12 Dec 2025

REYES GREGORIO(34)

  • 4Statement of changes in beneficial ownership23 Oct 2015
  • 4/AStatement of changes in beneficial ownership (amendment)11 Mar 2015
  • 4Statement of changes in beneficial ownership2 Feb 2015
  • 4SALE OF SHARES3 Nov 2014
  • 4AWARD ISSUANCE & SELL TO COVER23 Oct 2014
  • 4SALE OF SHARES5 Nov 2013
  • 4AWARD ISSUANCE31 Oct 2013
  • 4NET SHARE SETTLEMENT28 Oct 2013
  • 4CASHLESS EXERCISE8 May 2013
  • 4Statement of changes in beneficial ownership26 Jun 2014

ZANDER EDWARD J(34)

  • 4Statement of changes in beneficial ownership24 Oct 2023
  • 4Statement of changes in beneficial ownership24 Oct 2022
  • 4Statement of changes in beneficial ownership22 Oct 2021
  • 4Statement of changes in beneficial ownership14 Jun 2021
  • 4Statement of changes in beneficial ownership23 Oct 2020
  • 4Statement of changes in beneficial ownership4 Sep 2020
  • 4Statement of changes in beneficial ownership30 Oct 2019
  • 4Statement of changes in beneficial ownership31 Oct 2018
  • 4Statement of changes in beneficial ownership22 Oct 2018
  • 4Statement of changes in beneficial ownership11 May 2018

Pimentel Albert A(32)

  • 4Statement of changes in beneficial ownership23 Sep 2015
  • 4Statement of changes in beneficial ownership11 Sep 2015
  • 4Statement of changes in beneficial ownership17 Aug 2015
  • 4Statement of changes in beneficial ownership23 Jul 2015
  • 4Statement of changes in beneficial ownership27 Apr 2015
  • 4SAME DAY SALE STOCK OPTIONS19 Nov 2014
  • 4PERFORMANCE SHARE UNIT VESTING12 Sep 2014
  • 4STOCK OPTION GRANT11 Sep 2014
  • 4SHARE RELEASES25 Jul 2014
  • 4SALE OF SHARES TO COVER TAXES7 May 2014

Geldmacher Jay L(31)

  • 4Statement of changes in beneficial ownership2 Feb
  • 4Statement of changes in beneficial ownership3 Nov 2025
  • 4Statement of changes in beneficial ownership28 Oct 2025
  • 4Statement of changes in beneficial ownership21 Oct 2025
  • 4Statement of changes in beneficial ownership7 Aug 2025
  • 4Statement of changes in beneficial ownership24 Oct 2024
  • 4Statement of changes in beneficial ownership22 Oct 2024
  • 4Statement of changes in beneficial ownership9 Feb 2024
  • 4Statement of changes in beneficial ownership24 Oct 2023
  • 4Statement of changes in beneficial ownership24 Oct 2022

CHIRICO JAMES M(30)

  • 4STOCK OPTION EXERCISE AND SALE26 Jul 2007
  • 4Statement of changes in beneficial ownership1 Jun 2007
  • 4STOCK OPTION EXERCISE AND SALE17 May 2007
  • 4STOCK OPTION EXERCISE AND SALE23 Apr 2007
  • 4STOCK OPTION EXERCISE AND SALE23 Feb 2007
  • 4/ASTOCK OPTION EXERCISE AND SALE22 Feb 2007
  • 4STOCK OPTION EXERCISE AND SALE15 Feb 2007
  • 4STOCK OPTION EXERCISE AND SALE30 Jan 2007
  • 4STOCK OPTION EXERCISE AND SALE16 Nov 2006
  • 4STOCK OPTION EXERCISE AND SALE9 Nov 2006

RE MARK(29)

  • 4Statement of changes in beneficial ownership5 Oct 2017
  • 4Statement of changes in beneficial ownership5 Jul 2017
  • 4Statement of changes in beneficial ownership16 May 2017
  • 4Statement of changes in beneficial ownership15 Feb 2017
  • 4Statement of changes in beneficial ownership22 Nov 2016
  • 4Statement of changes in beneficial ownership4 Oct 2016
  • 4Statement of changes in beneficial ownership28 Sep 2016
  • 4Statement of changes in beneficial ownership13 Sep 2016
  • 4Statement of changes in beneficial ownership1 Sep 2016
  • 4Statement of changes in beneficial ownership26 Aug 2016

BIONDI FRANK(28)

  • 4Statement of changes in beneficial ownership27 Oct 2017
  • 4Statement of changes in beneficial ownership19 Oct 2017
  • 4Statement of changes in beneficial ownership20 Oct 2016
  • 4Statement of changes in beneficial ownership9 Aug 2016
  • 4Statement of changes in beneficial ownership9 May 2016
  • 4Statement of changes in beneficial ownership23 Oct 2015
  • 4AWARD ISSUANCE & SELL TO COVER23 Oct 2014
  • 4/ACASHLESS STOCK OPTION EXERCISE2 Sep 2014
  • 4CASHLESS STOCK OPTION EXERCISE25 Jul 2014
  • 4AWARD ISSUANCE31 Oct 2013

MARQUARDT DAVID F(28)

  • 4Statement of changes in beneficial ownership2 Dec 2009
  • 4ANNUAL GRANT OF OPTIONS AND AWARD ISSUANCE30 Oct 2009
  • 5Annual statement of beneficial ownership15 Jul 2009
  • 4ANNUAL GRANT OF OPTIONS AND AWARD ISSUANCE3 Nov 2008
  • 4Statement of changes in beneficial ownership4 Dec 2007
  • 4STOCK OPTION GRANT AND AWARD ISSUANCE29 Oct 2007
  • 4Statement of changes in beneficial ownership2 Mar 2007
  • 4Statement of changes in beneficial ownership30 Jan 2007
  • 4Statement of changes in beneficial ownership26 Oct 2006
  • 4STOCK OPTION GRANT30 Oct 2006

MARSHALL LYDIA MICHEAUX(27)

  • 4SELL TO COVER23 Oct 2014
  • 4CASHLESS STOCK OPTION TRANSACTION8 May 2014
  • 4SALE OF SHARES26 Nov 2013
  • 4AWARD ISSUANCE31 Oct 2013
  • 4NET SETTLEMENT OF SHARES28 Oct 2013
  • 4NET SETTLEMENT OF SHARES17 Oct 2013
  • 5GIFT OF SHARES12 Aug 2013
  • 4OPTION EXERCISE AND SALE OF SHARES17 May 2013
  • 410B5-1 SALE20 Dec 2012
  • 4AWARD ISSUANCE AND SALE OF SHARES FOR TAXES26 Oct 2012

ValueAct Capital Management, L.P.(27)

  • 4PRIMARY DOCUMENT24 Oct 2022
  • 4PRIMARY DOCUMENT22 Feb 2022
  • 4PRIMARY DOCUMENT15 Nov 2021
  • 4PRIMARY DOCUMENT22 Oct 2021
  • 4PRIMARY DOCUMENT4 May 2021
  • 4PRIMARY DOCUMENT5 Mar 2021
  • 4PRIMARY DOCUMENT15 Jan 2021
  • 4PRIMARY DOCUMENT11 Jan 2021
  • 4PRIMARY DOCUMENT6 Jan 2021
  • 4PRIMARY DOCUMENT31 Dec 2020

ValueAct Capital Management, LLC(27)

  • 4PRIMARY DOCUMENT24 Oct 2022
  • 4PRIMARY DOCUMENT22 Feb 2022
  • 4PRIMARY DOCUMENT15 Nov 2021
  • 4PRIMARY DOCUMENT22 Oct 2021
  • 4PRIMARY DOCUMENT4 May 2021
  • 4PRIMARY DOCUMENT5 Mar 2021
  • 4PRIMARY DOCUMENT15 Jan 2021
  • 4PRIMARY DOCUMENT11 Jan 2021
  • 4PRIMARY DOCUMENT6 Jan 2021
  • 4PRIMARY DOCUMENT31 Dec 2020

VA Partners I, LLC(27)

  • 4PRIMARY DOCUMENT24 Oct 2022
  • 4PRIMARY DOCUMENT22 Feb 2022
  • 4PRIMARY DOCUMENT15 Nov 2021
  • 4PRIMARY DOCUMENT22 Oct 2021
  • 4PRIMARY DOCUMENT4 May 2021
  • 4PRIMARY DOCUMENT5 Mar 2021
  • 4PRIMARY DOCUMENT15 Jan 2021
  • 4PRIMARY DOCUMENT11 Jan 2021
  • 4PRIMARY DOCUMENT6 Jan 2021
  • 4PRIMARY DOCUMENT31 Dec 2020

ValueAct Holdings GP, LLC(27)

  • 4PRIMARY DOCUMENT24 Oct 2022
  • 4PRIMARY DOCUMENT22 Feb 2022
  • 4PRIMARY DOCUMENT15 Nov 2021
  • 4PRIMARY DOCUMENT22 Oct 2021
  • 4PRIMARY DOCUMENT4 May 2021
  • 4PRIMARY DOCUMENT5 Mar 2021
  • 4PRIMARY DOCUMENT15 Jan 2021
  • 4PRIMARY DOCUMENT11 Jan 2021
  • 4PRIMARY DOCUMENT6 Jan 2021
  • 4PRIMARY DOCUMENT31 Dec 2020

ValueAct Holdings, L.P.(27)

  • 4PRIMARY DOCUMENT24 Oct 2022
  • 4PRIMARY DOCUMENT22 Feb 2022
  • 4PRIMARY DOCUMENT15 Nov 2021
  • 4PRIMARY DOCUMENT22 Oct 2021
  • 4PRIMARY DOCUMENT4 May 2021
  • 4PRIMARY DOCUMENT5 Mar 2021
  • 4PRIMARY DOCUMENT15 Jan 2021
  • 4PRIMARY DOCUMENT11 Jan 2021
  • 4PRIMARY DOCUMENT6 Jan 2021
  • 4PRIMARY DOCUMENT31 Dec 2020

ValueAct Capital Master Fund, L.P.(27)

  • 4PRIMARY DOCUMENT24 Oct 2022
  • 4PRIMARY DOCUMENT22 Feb 2022
  • 4PRIMARY DOCUMENT15 Nov 2021
  • 4PRIMARY DOCUMENT22 Oct 2021
  • 4PRIMARY DOCUMENT4 May 2021
  • 4PRIMARY DOCUMENT5 Mar 2021
  • 4PRIMARY DOCUMENT15 Jan 2021
  • 4PRIMARY DOCUMENT11 Jan 2021
  • 4PRIMARY DOCUMENT6 Jan 2021
  • 4PRIMARY DOCUMENT31 Dec 2020

CANNON MICHAEL R(26)

  • 4Statement of changes in beneficial ownership28 Oct 2025
  • 4Statement of changes in beneficial ownership21 Oct 2025
  • 4Statement of changes in beneficial ownership6 Jun 2025
  • 4Statement of changes in beneficial ownership22 Oct 2024
  • 4Statement of changes in beneficial ownership24 Oct 2023
  • 4Statement of changes in beneficial ownership24 Oct 2022
  • 4Statement of changes in beneficial ownership22 Oct 2021
  • 4Statement of changes in beneficial ownership14 Jun 2021
  • 4Statement of changes in beneficial ownership23 Oct 2020
  • 4Statement of changes in beneficial ownership30 Oct 2019

SCHUELKE KATHERINE(25)

  • 4Statement of changes in beneficial ownership12 Dec 2023
  • 4Statement of changes in beneficial ownership19 Sep 2023
  • 4Statement of changes in beneficial ownership19 Sep 2023
  • 4Statement of changes in beneficial ownership15 Sep 2023
  • 4Statement of changes in beneficial ownership12 Sep 2023
  • 4Statement of changes in beneficial ownership26 May 2023
  • 4Statement of changes in beneficial ownership14 Sep 2022
  • 4Statement of changes in beneficial ownership13 Sep 2022
  • 4Statement of changes in beneficial ownership14 Sep 2021
  • 4Statement of changes in beneficial ownership14 Sep 2021

COLEMAN WILLIAM T III(21)

  • 4Statement of changes in beneficial ownership23 Oct 2020
  • 5Annual statement of beneficial ownership11 Aug 2020
  • 4Statement of changes in beneficial ownership30 Oct 2019
  • 5Annual statement of beneficial ownership12 Aug 2019
  • 4Statement of changes in beneficial ownership31 Oct 2018
  • 4Statement of changes in beneficial ownership22 Oct 2018
  • 5Annual statement of beneficial ownership13 Aug 2018
  • 4Statement of changes in beneficial ownership19 Oct 2017
  • 4Statement of changes in beneficial ownership14 Nov 2016
  • 4Statement of changes in beneficial ownership20 Oct 2016

DEHAAN DOUGLAS J(21)

  • 4Statement of changes in beneficial ownership23 Sep 2015
  • 4Statement of changes in beneficial ownership29 Apr 2015
  • 4STOCK OPTION EXERCISE AND SALE OF SHARES4 Nov 2014
  • 4RESTRICTED STOCK UNIT VESTING15 Sep 2014
  • 4CASHLESS STOCK OPTION TRANSACTION8 May 2014
  • 4SALE OF SHARES12 Nov 2013
  • 4SELL TO COVER TAXES5 Nov 2013
  • 4PERFORMANCE UNIT SHARES RELEASE20 Sep 2013
  • 4SALE OF SHARES TO COVER TAXES17 Sep 2013
  • 4SALE OF SHARES TO COVER TAXES13 Sep 2013

Tilenius Stephanie(20)

  • 4Statement of changes in beneficial ownership6 May
  • 4Statement of changes in beneficial ownership5 Nov 2025
  • 4Statement of changes in beneficial ownership28 Oct 2025
  • 4Statement of changes in beneficial ownership21 Oct 2025
  • 4Statement of changes in beneficial ownership6 Jun 2025
  • 4Statement of changes in beneficial ownership22 Oct 2024
  • 4Statement of changes in beneficial ownership24 Oct 2023
  • 4Statement of changes in beneficial ownership24 Oct 2022
  • 4Statement of changes in beneficial ownership13 Dec 2021
  • 4Statement of changes in beneficial ownership22 Oct 2021

MURPHY JAMES J(19)

  • 4Statement of changes in beneficial ownership23 Dec 2019
  • 4Statement of changes in beneficial ownership10 Dec 2019
  • 4Statement of changes in beneficial ownership25 Nov 2019
  • 4Statement of changes in beneficial ownership13 Nov 2019
  • 4Statement of changes in beneficial ownership7 Nov 2019
  • 4Statement of changes in beneficial ownership6 Nov 2019
  • 4Statement of changes in beneficial ownership12 Sep 2019
  • 4Statement of changes in beneficial ownership31 Jul 2019
  • 4Statement of changes in beneficial ownership19 Feb 2019
  • 4Statement of changes in beneficial ownership21 Dec 2018

GLEMBOCKI JERRY S(18)

  • 4GRANT OF OPTIONS AND AWARD OF SHARES16 Sep 2008
  • 4OPTION EXERCISE30 Jul 2008
  • 4OPTION EXERCISE AND SALE OF SHARES25 Oct 2007
  • 4GRANT OF OPTIONS17 Sep 2007
  • 4OPTION EXERCISE AND SALE OF SHARES26 Jul 2007
  • 5REPORT GIFT10 Aug 2007
  • 4EXERCISE AND SALE OF SHARES28 Feb 2007
  • 4EXERCISE AND SALE OF SHARES31 Oct 2006
  • 4/AEXERCISE AND SALE OF SHARES13 Nov 2006
  • 4SALE OF SHARES23 Aug 2006

HUDSON WILLIAM L(17)

  • 5FORFEITURE OF SHARES - CORRECTION OF PRIOR HOLDINGS11 Aug 2008
  • 4EXERCISE OPTIONS AND EXIT FORM2 Jan 2008
  • 4EXERCISE AND SALE OF OPTIONS AND SHARES3 Dec 2007
  • 5PURCHASE OF SHARES UNDER ESPP10 Aug 2007
  • 4EXERCISE AND SALE OF OPTIONS AND SHARES30 Nov 2006
  • 5Annual statement of beneficial ownership16 Nov 2006
  • 410B5-1 TRADING PLAN SALE22 Feb 2006
  • 410B5-1 TRADING PLAN SALE23 Jan 2006
  • 410B5-1 TRADING PLAN SALE12 Jan 2006
  • 4CASH EXERCISE - NOV 18 DISTRIBUTION21 Nov 2005

PETERSON GLEN A(17)

  • 4AWARD OF SHARES AND OPTION GRANT16 Sep 2008
  • 4SALE OF SHARES30 May 2008
  • 4STOCK BONUS AWARD ISSUANCE30 Apr 2008
  • 4GRANT OF OPTIONS17 Sep 2007
  • 5REPORT GIFTS13 Aug 2007
  • 4STOCK OPTION EXERCISE AND SALE2 Feb 2007
  • 4STOCK SALE31 Oct 2006
  • 4STOCK SALE25 Aug 2006
  • 4STOCK OPTION GRANT1 May 2006
  • 4STOCK OPTION EXERCISE AND SALE2 Feb 2006

Conyers Yolanda Lee(16)

  • 4Statement of changes in beneficial ownership3 Sep
  • 4Statement of changes in beneficial ownership2 Jun
  • 4Statement of changes in beneficial ownership3 Mar
  • 4Statement of changes in beneficial ownership2 Dec 2025
  • 4Statement of changes in beneficial ownership28 Oct 2025
  • 4Statement of changes in beneficial ownership21 Oct 2025
  • 4Statement of changes in beneficial ownership4 Sep 2025
  • 4Statement of changes in beneficial ownership4 Jun 2025
  • 4Statement of changes in beneficial ownership4 Mar 2025
  • 4Statement of changes in beneficial ownership4 Dec 2024

BRACE PHILIP G(15)

  • 4Statement of changes in beneficial ownership16 Jan 2018
  • 4Statement of changes in beneficial ownership10 Jan 2018
  • 4Statement of changes in beneficial ownership8 Nov 2017
  • 4Statement of changes in beneficial ownership31 Oct 2017
  • 4Statement of changes in beneficial ownership5 Oct 2017
  • 4Statement of changes in beneficial ownership12 Sep 2017
  • 4Statement of changes in beneficial ownership3 Aug 2017
  • 4Statement of changes in beneficial ownership26 Jul 2017
  • 4Statement of changes in beneficial ownership13 Sep 2016
  • 4Statement of changes in beneficial ownership7 Sep 2016

ValueAct Holdings II, L.P.(15)

  • 4PRIMARY DOCUMENT24 Oct 2022
  • 4PRIMARY DOCUMENT22 Feb 2022
  • 4PRIMARY DOCUMENT15 Nov 2021
  • 4PRIMARY DOCUMENT22 Oct 2021
  • 4PRIMARY DOCUMENT4 May 2021
  • 4PRIMARY DOCUMENT5 Mar 2021
  • 4PRIMARY DOCUMENT15 Jan 2021
  • 4PRIMARY DOCUMENT11 Jan 2021
  • 4PRIMARY DOCUMENT6 Jan 2021
  • 4PRIMARY DOCUMENT31 Dec 2020

Lee James CI(15)

  • 4Statement of changes in beneficial ownership26 Aug
  • 4Statement of changes in beneficial ownership24 Aug
  • 4Statement of changes in beneficial ownership3 Aug
  • 4Statement of changes in beneficial ownership24 Jul
  • 4Statement of changes in beneficial ownership6 May
  • 4Statement of changes in beneficial ownership23 Apr
  • 4Statement of changes in beneficial ownership28 Jan
  • 4Statement of changes in beneficial ownership26 Jan
  • 4Statement of changes in beneficial ownership12 Nov 2025
  • 4Statement of changes in beneficial ownership24 Oct 2025

Fochtman Jeffrey D.(15)

  • 4Statement of changes in beneficial ownership14 Sep 2022
  • 4Statement of changes in beneficial ownership13 Sep 2022
  • 4Statement of changes in beneficial ownership24 May 2022
  • 4Statement of changes in beneficial ownership10 Nov 2021
  • 4Statement of changes in beneficial ownership15 Sep 2021
  • 4Statement of changes in beneficial ownership14 Sep 2021
  • 4Statement of changes in beneficial ownership14 Sep 2021
  • 4Statement of changes in beneficial ownership24 May 2021
  • 4Statement of changes in beneficial ownership18 Feb 2021
  • 4Statement of changes in beneficial ownership8 Dec 2020

HUTCHINS GLENN H(14)

  • 4SALE OF SHARES BY SILVER LAKE PARTNERS17 Aug 2006
  • 4SALE OF SHARES BY SILVER LAKE PARTNERS1 Jun 2006
  • 4SALE OF NEW SAC SHARES AND GIFT3 Feb 2006
  • 4SALE OF STX SHARES26 Jan 2006
  • 4ANNUAL STOCK OPTION GRANT28 Oct 2005
  • 4NEW SAC SALE OF SHARES4 Aug 2005
  • 4SALE OF NEW SAC SHARES25 Apr 2005
  • 4FORWARD SALE OF SHARES4 Jan 2005
  • 4FORWARD SALE OF SHARES13 Dec 2004
  • 4SALE OF NEW SAC SHARES16 Nov 2004

NEW SAC(14)

  • 4DISTRIBUTION OF SHARES4 Jan 2006
  • 4NEW SAC SHARE DISTRIBUTION20 Dec 2005
  • 4DISTRIBUTION OF SHARES21 Nov 2005
  • 4TRANSFER OF SHARES24 Oct 2005
  • 4TRANSFER OF SHARES3 Oct 2005
  • 4SALE OF SHARES4 Aug 2005
  • 4SHARE TRANSFER BY NEW SAC27 Jul 2005
  • 4SHARE TRANSFER BY NEW SAC17 May 2005
  • 4FORWARD SALE OF SHARES4 Jan 2005
  • 4FORWARD SALE OF SHARES13 Dec 2004

RAPPAPORT ANDREW(14)

  • 5/ARAPPAPORT 6/30/06 FORM 5A16 Aug 2006
  • 5Annual statement of beneficial ownership14 Aug 2006
  • 4Statement of changes in beneficial ownership5 Jan 2006
  • 4Statement of changes in beneficial ownership20 Dec 2005
  • 4Statement of changes in beneficial ownership18 Nov 2005
  • 4Statement of changes in beneficial ownership25 Oct 2005
  • 4Statement of changes in beneficial ownership4 Oct 2005
  • 4Statement of changes in beneficial ownership4 Aug 2005
  • 4Statement of changes in beneficial ownership25 Apr 2005
  • 4Statement of changes in beneficial ownership5 Jan 2005

Naik Ravi(14)

  • 4Statement of changes in beneficial ownership23 Mar 2023
  • 4Statement of changes in beneficial ownership14 Sep 2022
  • 4Statement of changes in beneficial ownership13 Sep 2022
  • 4Statement of changes in beneficial ownership26 Jul 2022
  • 4Statement of changes in beneficial ownership24 Mar 2022
  • 4Statement of changes in beneficial ownership14 Sep 2021
  • 4Statement of changes in beneficial ownership14 Sep 2021
  • 4Statement of changes in beneficial ownership24 Aug 2021
  • 4Statement of changes in beneficial ownership27 Aug 2021
  • 4Statement of changes in beneficial ownership9 Nov 2021

Adams Mark(13)

  • 4Statement of changes in beneficial ownership28 Oct 2025
  • 4Statement of changes in beneficial ownership21 Oct 2025
  • 4Statement of changes in beneficial ownership22 Oct 2024
  • 3Initial statement of beneficial ownership22 Oct 2024
  • 4Statement of changes in beneficial ownership24 Oct 2022
  • 4Statement of changes in beneficial ownership13 Dec 2021
  • 4Statement of changes in beneficial ownership22 Oct 2021
  • 4Statement of changes in beneficial ownership23 Oct 2020
  • 4Statement of changes in beneficial ownership30 Oct 2019
  • 4Statement of changes in beneficial ownership31 Oct 2018

AUGUST CAPITAL III FOUNDERS FUND LP(12)

  • 4Statement of changes in beneficial ownership5 Jan 2006
  • 4Statement of changes in beneficial ownership20 Dec 2005
  • 4Statement of changes in beneficial ownership18 Nov 2005
  • 4Statement of changes in beneficial ownership25 Oct 2005
  • 4Statement of changes in beneficial ownership4 Oct 2005
  • 4Statement of changes in beneficial ownership4 Aug 2005
  • 4Statement of changes in beneficial ownership25 Apr 2005
  • 4Statement of changes in beneficial ownership5 Jan 2005
  • 4Statement of changes in beneficial ownership13 Dec 2004
  • 4Statement of changes in beneficial ownership17 Nov 2004

AUGUST CAPITAL STRATEGIC PARTNERS III LP(12)

  • 4Statement of changes in beneficial ownership5 Jan 2006
  • 4Statement of changes in beneficial ownership20 Dec 2005
  • 4Statement of changes in beneficial ownership18 Nov 2005
  • 4Statement of changes in beneficial ownership25 Oct 2005
  • 4Statement of changes in beneficial ownership4 Oct 2005
  • 4Statement of changes in beneficial ownership4 Aug 2005
  • 4Statement of changes in beneficial ownership25 Apr 2005
  • 4Statement of changes in beneficial ownership5 Jan 2005
  • 4Statement of changes in beneficial ownership13 Dec 2004
  • 4Statement of changes in beneficial ownership17 Nov 2004

POPE CHARLES C(12)

  • 4SALE OF SHARES29 Oct 2008
  • 4EXERCISE AND SALE OF STOCK OPTIONS3 Dec 2007
  • 4GRANT OF OPTIONS AND AWARD OF SHARES17 Sep 2007
  • 4STOCK OPTION EXERCISE AND SALE5 May 2006
  • 4/ASTOCK OPTION EXERCISE AND SALE17 Sep 2007
  • 4/ARESTRICTED AWARD ISSUANCE17 Sep 2007
  • 4RESTRICTED AWARD ISSUANCE26 Oct 2005
  • 4STOCK OPTION GRANT29 Sep 2005
  • 4/ASTOCK OPTION GRANT17 Sep 2007
  • 4TRUST SALES12 Nov 2004

AUGUST CAPITAL III LP(12)

  • 4Statement of changes in beneficial ownership5 Jan 2006
  • 4Statement of changes in beneficial ownership20 Dec 2005
  • 4Statement of changes in beneficial ownership18 Nov 2005
  • 4Statement of changes in beneficial ownership25 Oct 2005
  • 4Statement of changes in beneficial ownership4 Oct 2005
  • 4Statement of changes in beneficial ownership4 Aug 2005
  • 4Statement of changes in beneficial ownership25 Apr 2005
  • 4Statement of changes in beneficial ownership5 Jan 2005
  • 4Statement of changes in beneficial ownership13 Dec 2004
  • 4Statement of changes in beneficial ownership17 Nov 2004

AUGUST CAPITAL MANAGEMENT III LLC(12)

  • 4Statement of changes in beneficial ownership5 Jan 2006
  • 4Statement of changes in beneficial ownership20 Dec 2005
  • 4Statement of changes in beneficial ownership18 Nov 2005
  • 4Statement of changes in beneficial ownership25 Oct 2005
  • 4Statement of changes in beneficial ownership4 Oct 2005
  • 4Statement of changes in beneficial ownership4 Aug 2005
  • 4Statement of changes in beneficial ownership25 Apr 2005
  • 4Statement of changes in beneficial ownership5 Jan 2005
  • 4Statement of changes in beneficial ownership13 Dec 2004
  • 4Statement of changes in beneficial ownership17 Nov 2004

JOHNSTON JOHN R(12)

  • 4Statement of changes in beneficial ownership5 Jan 2006
  • 4Statement of changes in beneficial ownership20 Dec 2005
  • 4Statement of changes in beneficial ownership18 Nov 2005
  • 4Statement of changes in beneficial ownership25 Oct 2005
  • 4Statement of changes in beneficial ownership4 Oct 2005
  • 4Statement of changes in beneficial ownership4 Aug 2005
  • 4Statement of changes in beneficial ownership25 Apr 2005
  • 4Statement of changes in beneficial ownership5 Jan 2005
  • 4Statement of changes in beneficial ownership13 Dec 2004
  • 4Statement of changes in beneficial ownership17 Nov 2004

CHENG MEI WEI(11)

  • 4Statement of changes in beneficial ownership22 Oct 2018
  • 4Statement of changes in beneficial ownership19 Oct 2017
  • 4Statement of changes in beneficial ownership20 Oct 2016
  • 4Statement of changes in beneficial ownership23 Oct 2015
  • 4AWARD ISSUANCE & SELL TO COVER23 Oct 2014
  • 4AWARD ISSUANCE31 Oct 2013
  • 4NET SHARE SETTLEMENT28 Oct 2013
  • 4AWARD ISSUANCE AND SALE OF SHARES FOR TAXES26 Oct 2012
  • 4/AFORM 4 CORRECTION3 Aug 2012
  • 4Statement of changes in beneficial ownership27 Jul 2012

Haggart Dylan G.(11)

  • 4Statement of changes in beneficial ownership28 Oct 2025
  • 4Statement of changes in beneficial ownership21 Oct 2025
  • 4Statement of changes in beneficial ownership22 Oct 2024
  • 4Statement of changes in beneficial ownership24 Oct 2023
  • 4PRIMARY DOCUMENT24 Oct 2022
  • 4PRIMARY DOCUMENT22 Oct 2021
  • 4PRIMARY DOCUMENT23 Oct 2020
  • 4PRIMARY DOCUMENT30 Oct 2019
  • 4PRIMARY DOCUMENT31 Oct 2018
  • 4PRIMARY DOCUMENT25 Jan 2018

ValueAct Capital Master Fund B, L.P.(11)

  • 4PRIMARY DOCUMENT4 May 2021
  • 4PRIMARY DOCUMENT5 Mar 2021
  • 4PRIMARY DOCUMENT15 Jan 2021
  • 4PRIMARY DOCUMENT11 Jan 2021
  • 4PRIMARY DOCUMENT6 Jan 2021
  • 4PRIMARY DOCUMENT31 Dec 2020
  • 4PRIMARY DOCUMENT23 Oct 2020
  • 4PRIMARY DOCUMENT30 Oct 2019
  • 4PRIMARY DOCUMENT8 May 2019
  • 3PRIMARY DOCUMENT8 Feb 2019

BRUNER JUDY(10)

  • 4Statement of changes in beneficial ownership21 Oct 2025
  • 4Statement of changes in beneficial ownership23 May 2025
  • 4Statement of changes in beneficial ownership22 Oct 2024
  • 4Statement of changes in beneficial ownership24 Oct 2023
  • 4Statement of changes in beneficial ownership24 Oct 2022
  • 4Statement of changes in beneficial ownership22 Oct 2021
  • 4Statement of changes in beneficial ownership23 Oct 2020
  • 4Statement of changes in beneficial ownership30 Oct 2019
  • 4Statement of changes in beneficial ownership31 Oct 2018
  • 3Initial statement of beneficial ownership25 Jan 2018

THOMPSON JOHN WENDELL(10)

  • 5Annual statement of beneficial ownership15 Aug 2011
  • 4RESTRICTED STOCK UNIT AWARD ISSUANCE29 Oct 2010
  • 5Annual statement of beneficial ownership12 Aug 2010
  • 4ANNUAL STOCK OPTION GRANT AND AWARD ISSUANCE30 Oct 2009
  • 4ANNUAL STOCK OPTION GRANT AND AWARD ISSUANCE3 Nov 2008
  • 4ANNUAL STOCK OPTION GRANT AND AWARD ISSUANCE29 Oct 2007
  • 4ANNUAL STOCK OPTION GRANT30 Oct 2006
  • 4ANNUAL STOCK OPTION GRANT31 Oct 2005
  • 4STOCK OPTION GRANT1 Nov 2004
  • 4NQ STOCK OPTION GRANT31 Oct 2003

Arumugavelu Shankar(10)

  • 4Statement of changes in beneficial ownership4 Jun
  • 4Statement of changes in beneficial ownership12 Nov 2025
  • 4Statement of changes in beneficial ownership28 Oct 2025
  • 4Statement of changes in beneficial ownership21 Oct 2025
  • 4Statement of changes in beneficial ownership22 Oct 2024
  • 4Statement of changes in beneficial ownership24 Oct 2023
  • 4Statement of changes in beneficial ownership24 Oct 2022
  • 4Statement of changes in beneficial ownership22 Oct 2021
  • 3Initial statement of beneficial ownership2 Apr 2021
  • 4Statement of changes in beneficial ownership2 Apr 2021

Anderson David Z(9)

  • 4SALE OF SHARES27 Oct 2009
  • 4RSU VESTING17 Sep 2009
  • 4/AESPP TRANSACTION6 Aug 2009
  • 4ESPP TRANSACTION5 Aug 2009
  • 4OPTION GRANT10 Mar 2009
  • 4ESPP TRANSACTION3 Feb 2009
  • 4OPTION GRANT AND AWARD OF SHARES16 Sep 2008
  • 4SALE OF ESPP SHARES6 Aug 2008
  • 3Initial statement of beneficial ownership11 Jul 2008

BHATT PRAT(9)

  • 4Statement of changes in beneficial ownership2 Jun
  • 4Statement of changes in beneficial ownership28 Oct 2025
  • 4Statement of changes in beneficial ownership21 Oct 2025
  • 4Statement of changes in beneficial ownership22 Oct 2024
  • 4Statement of changes in beneficial ownership24 Oct 2023
  • 4Statement of changes in beneficial ownership24 Oct 2022
  • 4Statement of changes in beneficial ownership22 Oct 2021
  • 4Statement of changes in beneficial ownership29 Dec 2020
  • 3Initial statement of beneficial ownership29 Dec 2020

TPG SAC ADVISORS III CORP(8)

  • 4Statement of changes in beneficial ownership4 Aug 2005
  • 4Statement of changes in beneficial ownership25 Apr 2005
  • 4Statement of changes in beneficial ownership5 Jan 2005
  • 4Statement of changes in beneficial ownership13 Dec 2004
  • 4Statement of changes in beneficial ownership17 Nov 2004
  • 4Statement of changes in beneficial ownership22 Sep 2004
  • 4Statement of changes in beneficial ownership29 Jul 2003
  • 4Statement of changes in beneficial ownership12 Dec 2002

ROGGE KAREN M(8)

  • 5Annual statement of beneficial ownership16 Nov 2006
  • 410B5-1 TRADING PLAN SALE6 Mar 2006
  • 410B5-1 TRADING PLAN SALE18 Jan 2006
  • 410B5-1 TRADING PLAN SALE12 Jan 2006
  • 4STOCK OPTION GRANT29 Sep 2005
  • 4ESPP AND NEW GRANT17 Sep 2004
  • 4ESPP AND DRP25 Aug 2005
  • 3Initial statement of beneficial ownership9 Jan 2004

Onken Kristen M(8)

  • 4Statement of changes in beneficial ownership20 Oct 2016
  • 4Statement of changes in beneficial ownership23 Oct 2015
  • 4AWARD ISSUANCE & SELL TO COVER23 Oct 2014
  • 4AWARD ISSUANCE31 Oct 2013
  • 4NET SHARE SETTLEMENT28 Oct 2013
  • 4AWARD ISSUANCE AND SALE OF SHARES FOR TAXES26 Oct 2012
  • 4AWARD OF RSU SHARES7 Dec 2011
  • 3Initial statement of beneficial ownership7 Dec 2011

BRADLEY WILLIAM W(7)

  • 4ANNUAL GRANT OF OPTIONS AND AWARD ISSUANCE30 Oct 2009
  • 4ANNUAL GRANT OF OPTIONS AND AWARD ISSUANCE3 Nov 2008
  • 4ANNUAL STOCK OPTION GRANT AND AWARD ISSUANCE29 Oct 2007
  • 4ANNUAL STOCK OPTION GRANT30 Oct 2006
  • 4ANNUAL STOCK OPTION GRANT28 Oct 2005
  • 4STOCK OPTION GRANT1 Nov 2004
  • 3FIRST GRANT ISSUANCE9 Jul 2003

KIERNAN DONALD E(7)

  • 4ANNUAL GRANT OF OPTIONS AND AWARD ISSUANCE3 Nov 2008
  • 4ANNUAL STOCK OPTION GRANT AND ISSUANCE OF AWARD29 Oct 2007
  • 4ANNUAL STOCK OPTION GRANT30 Oct 2006
  • 4ANNUAL STOCK OPTION GRANT28 Oct 2005
  • 4EXERCISE AND HOLD SHARES8 Feb 2005
  • 4STOCK OPTION GRANT1 Nov 2004
  • 4NQ STOCK OPTION GRANT31 Oct 2003

CLEMMER RICHARD L(7)

  • 4Statement of changes in beneficial ownership28 Oct 2025
  • 4Statement of changes in beneficial ownership21 Oct 2025
  • 4Statement of changes in beneficial ownership22 Oct 2024
  • 4Statement of changes in beneficial ownership24 Oct 2023
  • 4Statement of changes in beneficial ownership24 Oct 2022
  • 4Statement of changes in beneficial ownership25 Aug 2022
  • 3Initial statement of beneficial ownership25 Aug 2022

SILVER LAKE OFFSHORE AIV GP LTD(7)

  • 4TRANSACTION4 Aug 2005
  • 4NEW SAC SALE OF SHARES25 Apr 2005
  • 4FORWARD SALE OF SHARES4 Jan 2005
  • 4FORWARD SALE OF SHARES13 Dec 2004
  • 4SALE OF SHARES16 Nov 2004
  • 4NEW SAC SALE OF SHARES22 Sep 2004
  • 4Statement of changes in beneficial ownership1 Aug 2003

MacPherson Regan J(7)

  • 4Statement of changes in beneficial ownership18 Nov 2016
  • 4Statement of changes in beneficial ownership13 Sep 2016
  • 4/AStatement of changes in beneficial ownership (amendment)23 Mar 2016
  • 4Statement of changes in beneficial ownership22 Mar 2016
  • 4Statement of changes in beneficial ownership23 Sep 2015
  • 4Statement of changes in beneficial ownership11 Sep 2015
  • 3Initial statement of beneficial ownership10 Sep 2015

KRYDER MARK H(6)

  • 4EXERCISE AND SALE OF STOCK OPTIONS3 May 2007
  • 4/AEXERCISE AND SALE OF STOCK OPTIONS30 Nov 2006
  • 4/ASALE OF STOCK10 Feb 2006
  • 4SALE OF STOCK3 Feb 2006
  • 4EXERCISE AND A ESPP PURCHASE3 Feb 2004
  • 4OPEN MARKET PURCHASE30 Oct 2003

SILVER LAKE TECHNOLOGY INVESTORS CAYMAN LP(6)

  • 4TRANSACTION4 Aug 2005
  • 4NEW SAC SALE OF SHARES25 Apr 2005
  • 4FORWARD SALE OF SHARES4 Jan 2005
  • 4FORWARD SALE OF SHARES13 Dec 2004
  • 4SALE OF SHARES16 Nov 2004
  • 4NEW SAC SALE OF SHARES22 Sep 2004

SILVER LAKE INVESTORS CAYMAN LP(6)

  • 4TRANSACTION4 Aug 2005
  • 4NEW SAC SALE OF SHARES25 Apr 2005
  • 4FORWARD SALE OF SHARES4 Jan 2005
  • 4FORWARD SALE OF SHARES13 Dec 2004
  • 4SALE OF SHARES16 Nov 2004
  • 4NEW SAC SALE OF SHARES22 Sep 2004

SILVER LAKE PARTNERS CAYMAN LP(6)

  • 4TRANSACTION4 Aug 2005
  • 4NEW SAC SALE OF SHARES25 Apr 2005
  • 4FORWARD SALE OF SHARES4 Jan 2005
  • 4FORWARD SALE OF SHARES13 Dec 2004
  • 4SALE OF SHARES16 Nov 2004
  • 4NEW SAC SALE OF SHARES22 Sep 2004

JEONG SEH-WOONG(5)

  • 4SELL TO COVER23 Oct 2014
  • 4AWARD ISSUANCE31 Oct 2013
  • 4AWARD GRANT25 Oct 2013
  • 3/AFORM 3 FILING25 Oct 2013
  • 3Initial statement of beneficial ownership22 May 2012

Lerner James J(5)

  • 4Statement of changes in beneficial ownership13 Mar 2015
  • 4STOCK OPTION GRANT11 Sep 2014
  • 4SHARE RELEASES25 Jul 2014
  • 4NEW HIRE OPTION GRANT22 Apr 2014
  • 3Initial statement of beneficial ownership13 Mar 2014

Scolnick Kathryn R.(5)

  • 4Statement of changes in beneficial ownership25 Sep 2018
  • 4Statement of changes in beneficial ownership12 Sep 2018
  • 4Statement of changes in beneficial ownership11 Sep 2018
  • 4Statement of changes in beneficial ownership20 Aug 2018
  • 3Initial statement of beneficial ownership14 Aug 2018

COULTER JAMES G(4)

  • 4Statement of changes in beneficial ownership31 Oct 2005
  • 4Statement of changes in beneficial ownership2 Nov 2004
  • 4Statement of changes in beneficial ownership3 Nov 2003
  • 4Statement of changes in beneficial ownership12 Dec 2002

BRUGGEWORTH ROBERT A(4)

  • 4Statement of changes in beneficial ownership22 Oct 2024
  • 4Statement of changes in beneficial ownership24 Oct 2023
  • 3Initial statement of beneficial ownership14 Nov 2022
  • 4Statement of changes in beneficial ownership14 Nov 2022

WINGERT MICHAEL J(4)

  • 4/ASTOCK OPTION SAME DAY SALE20 Sep 2007
  • 4STOCK OPTION SAME DAY SALE27 Feb 2007
  • 4STOCK OPTION SAME DAY SALE22 Nov 2006
  • 3Initial statement of beneficial ownership15 Jun 2006

ABBOTT TODD(4)

  • 4FORFEITURE, AND EXIT FORM20 May 2008
  • 4GRANT OF OPTIONS AND AWARD OF SHARES17 Sep 2007
  • 4GRANT OF OPTIONS AND SHARES17 Jan 2007
  • 3Initial statement of beneficial ownership17 Jan 2007

Szlosek Thomas A(4)

  • 4/AStatement of changes in beneficial ownership (amendment)12 Nov 2025
  • 4Statement of changes in beneficial ownership28 Oct 2025
  • 4Statement of changes in beneficial ownership26 Aug 2025
  • 3Initial statement of beneficial ownership26 Aug 2025

Moyo Dambisa F(4)

  • 4Statement of changes in beneficial ownership25 Oct 2017
  • 4Statement of changes in beneficial ownership19 Oct 2017
  • 4Statement of changes in beneficial ownership20 Oct 2016
  • 3Initial statement of beneficial ownership23 Oct 2015

Hottier-Fayon Geraldine(4)

  • 4Statement of changes in beneficial ownership25 Sep 2018
  • 4Statement of changes in beneficial ownership12 Sep 2018
  • 4Statement of changes in beneficial ownership11 Sep 2018
  • 3Initial statement of beneficial ownership14 Aug 2018

SEAGATE TECHNOLOGY US HOLDINGS(3)

  • 4Statement of changes in beneficial ownership1 Aug 2012
  • 3/AInitial statement of beneficial ownership (amendment)11 Feb 2013
  • 3Initial statement of beneficial ownership25 Jul 2012

SEAGATE TECHNOLOGY LLC(3)

  • 4Statement of changes in beneficial ownership1 Aug 2012
  • 3/AInitial statement of beneficial ownership (amendment)11 Feb 2013
  • 3Initial statement of beneficial ownership25 Jul 2012

Seagate Technology Plc(3)

  • 4Statement of changes in beneficial ownership1 Aug 2012
  • 3Initial statement of beneficial ownership25 Jul 2012
  • 3/AInitial statement of beneficial ownership (amendment)11 Feb 2013

SEAGATE TECHNOLOGY HDD HOLDINGS(3)

  • 4Statement of changes in beneficial ownership1 Aug 2012
  • 3/AInitial statement of beneficial ownership (amendment)11 Feb 2013
  • 3Initial statement of beneficial ownership25 Jul 2012

WAITE DONALD L(3)

  • 4Statement of changes in beneficial ownership8 Mar 2004
  • 4EXERCISE AND GIFT TRANSACTIONS23 Jan 2004
  • 4EXERCISE OPTIONS24 Oct 2003

Seagate HDD Cayman(3)

  • 4Statement of changes in beneficial ownership1 Aug 2012
  • 3Initial statement of beneficial ownership25 Jul 2012
  • 3/AInitial statement of beneficial ownership (amendment)11 Feb 2013

Seagate Technology(3)

  • 4Statement of changes in beneficial ownership1 Aug 2012
  • 3/AInitial statement of beneficial ownership (amendment)11 Feb 2013
  • 3Initial statement of beneficial ownership25 Jul 2012

BONDERMAN DAVID(2)

  • 4Statement of changes in beneficial ownership3 Nov 2003
  • 4Statement of changes in beneficial ownership12 Dec 2002

SAMSUNG ELECTRONICS CO LTD /FI(2)

  • 4Statement of changes in beneficial ownership22 Oct 2013
  • 3Initial statement of beneficial ownership3 Feb 2012

TENNENBAUM JEREMY(2)

  • 4Statement of changes in beneficial ownership9 Feb 2004
  • 4Statement of changes in beneficial ownership6 Feb 2004

Cunningham Terence Robert(2)

  • 4OPTION GRANT10 Mar 2009
  • 3Initial statement of beneficial ownership10 Mar 2009

PORTER TOWNSEND H(1)

  • 4ESPP AND EXIT FORM2 Dec 2003

WEYANDT JOHN P(1)

  • 4NQ STOCK OPTION GRANT6 Nov 2003

≥5% Ownership

FMR LLC(24)

  • SC 13G/ASeagate Technology Holdings plc12 Nov 2024
  • SC 13GSeagate Technology Holdings plc9 Feb 2024
  • SC 13G/ASeagate Technology plc8 Feb 2021
  • SC 13G/ASeagate Technology plc7 Feb 2020
  • SC 13G/ASeagate Technology plc13 Feb 2019
  • SC 13G/ASeagate Technology plc13 Feb 2018
  • SC 13G/ASeagate Technology plc14 Feb 2017
  • SC 13G/ASeagate Technology plc12 Feb 2016
  • SC 13G/ASeagate Technology plc24 Aug 2015
  • SC 13G/ASeagate Technology plc13 Feb 2015

VANGUARD GROUP INC(15)

  • SC 13G/ASeagate Technology Holdings plc27 Mar
  • SC 13G/ASeagate Technology Holdings plc31 Jan 2025
  • SC 13G/ASeagate Technology Holdings plc13 Feb 2024
  • SC 13G/ASeagate Technology Holdings plc9 Feb 2023
  • SC 13G/ASeagate Technology Holdings plc10 Feb 2022
  • SC 13G/ASeagate Technology plc10 Feb 2021
  • SC 13G/ASeagate Technology plc12 Feb 2020
  • SC 13G/ASeagate Technology plc13 Feb 2019
  • SC 13G/ASeagate Technology plc8 Feb 2018
  • SC 13G/ASeagate Technology plc13 Feb 2017

BlackRock Inc.(14)

  • SC 13G/ASeagate Technology Holdings plc6 Feb 2024
  • SC 13G/ASeagate Technology Holdings plc1 Feb 2023
  • SC 13GSeagate Technology Holdings plc4 Feb 2022
  • SC 13G/ASeagate Technology plc1 Feb 2021
  • SC 13G/ASeagate Technology plc6 Feb 2020
  • SC 13G/ASeagate Technology plc6 Feb 2019
  • SC 13G/ASeagate Technology plc30 Jan 2018
  • SC 13G/ASeagate Technology plc27 Jan 2017
  • SC 13G/ASeagate Technology plc10 Feb 2016
  • SC 13GSeagate Technology plc6 Feb 2015

JPMORGAN CHASE & CO(11)

  • SC 13G/ASeagate Technology Holdings plc4 Nov 2025
  • SC 13G/ASeagate Technology Holdings plc31 Oct 2025
  • SC 13G/ASeagate Technology Holdings plc22 Jul 2025
  • SC 13G/ASeagate Technology Holdings plc5 May 2025
  • SC 13G/ASeagate Technology Holdings plc22 Apr 2025
  • SC 13G/ASeagate Technology Holdings plc12 Feb 2025
  • SC 13G/ASeagate Technology Holdings plc7 Mar 2024
  • SC 13G/ASeagate Technology Holdings plc25 Jan 2024
  • SC 13G/ASeagate Technology Holdings plc25 Jan 2024
  • SC 13G/ASeagate Technology Holdings plc27 Jan 2023

Clearbridge Investments, LLC(11)

  • SC 13G/ASeagate Technology Holdings plc9 Feb 2022
  • SC 13G/ASeagate Technology plc11 Feb 2021
  • SC 13G/ASeagate Technology plc14 Feb 2020
  • SC 13G/ASeagate Technology plc14 Feb 2019
  • SC 13G/ASeagate Technology plc14 Feb 2018
  • SC 13G/ASeagate Technology plc14 Feb 2017
  • SC 13G/ASeagate Technology plc16 Feb 2016
  • SC 13G/ASeagate Technology plc10 Sep 2015
  • SC 13G/ASeagate Technology plc17 Feb 2015
  • SC 13G/ASeagate Technology plc14 Feb 2014

VA Partners I, LLC(11)

  • SC 13D/ASeagate Technology Holdings plc8 Sep 2023
  • SC 13D/ASeagate Technology Holdings plc1 Sep 2023
  • SC 13D/ASeagate Technology Holdings plc22 Feb 2022
  • SC 13D/ASeagate Technology plc4 May 2021
  • SC 13D/ASeagate Technology plc5 Mar 2021
  • SC 13D/ASeagate Technology plc30 Oct 2019
  • SC 13D/ASeagate Technology plc8 Feb 2019
  • SC 13D/ASeagate Technology plc14 Aug 2018
  • SC 13D/ASeagate Technology plc25 Jan 2018
  • SC 13D/ASeagate Technology plc1 Sep 2017

FRANKLIN RESOURCES INC(6)

  • SC 13G/ASeagate Technology25 Jan 2010
  • SC 13G/ASeagate Technology9 Feb 2009
  • SC 13G/ASeagate Technology7 Feb 2008
  • SC 13G/ASeagate Technology11 Jun 2007
  • SC 13G/ASeagate Technology6 Feb 2007
  • SC 13GSeagate Technology8 Feb 2006

CAPITAL GROUP INTERNATIONAL INC(6)

  • SC 13G/ASeagate Technology12 Feb 2009
  • SC 13G/ASeagate Technology12 Feb 2008
  • SC 13G/ASeagate Technology12 Feb 2007
  • SC 13G/ASeagate Technology9 Feb 2006
  • SC 13G/ASeagate Technology14 Feb 2005
  • SC 13GSeagate Technology7 May 2004

Sanders Capital, LLC(5)

  • SC 13G/ASeagate Technology Holdings plc5 Aug
  • SC 13G/ASeagate Technology Holdings plc16 Apr
  • SC 13G/ASeagate Technology Holdings plc14 May 2025
  • SC 13G/ASeagate Technology Holdings plc14 Feb 2024
  • SC 13GSeagate Technology Holdings plc17 Feb 2023

NEW SAC(4)

  • SC 13G/ASeagate Technology14 Feb 2006
  • SC 13G/ASeagate Technology14 Feb 2005
  • SC 13G/ASeagate Technology13 Feb 2004
  • SC 13GSeagate Technology14 Feb 2003

Capital Research Global Investors(4)

  • SC 13G/ASeagate Technology Holdings plc13 Aug 2025
  • SC 13GSeagate Technology Holdings plc13 Feb 2025
  • SC 13G/ASeagate Technology Holdings plc12 Nov 2024
  • SC 13GSeagate Technology Holdings plc9 Feb 2024

LEGG MASON CAPITAL MANAGEMENT INC(3)

  • SC 13G/ASeagate Technology20 Feb 2008
  • SC 13G/ASeagate Technology15 Feb 2007
  • SC 13G/ASeagate Technology14 Feb 2006

DELAWARE MANAGEMENT HOLDINGS CO INC(3)

  • SC 13G/ASeagate Technology9 Feb 2010
  • SC 13G/ASeagate Technology10 Feb 2009
  • SC 13GSeagate Technology6 Feb 2009

UBS GLOBAL ASSET MANAGEMENT AMERICAS INC(2)

  • SC 13G/ASeagate Technology11 Feb 2010
  • SC 13GSeagate Technology10 Feb 2009

SAMSUNG ELECTRONICS CO LTD /FI(2)

  • SC 13D/ASeagate Technology plc22 Oct 2013
  • SC 13DSeagate Technology plc20 Dec 2011

GREENLIGHT CAPITAL LLC(2)

  • SC 13G/ASeagate Technology plc14 Feb 2013
  • SC 13GSeagate Technology plc11 Jun 2012

VIKING GLOBAL INVESTORS LP(2)

  • SC 13G/ASeagate Technology plc14 Feb 2012
  • SC 13GSeagate Technology plc13 May 2011

VANGUARD PORTFOLIO MANAGEMENT LLC(2)

  • SC 13G/ASeagate Technology Holdings plc31 Jul
  • SC 13GSeagate Technology Holdings plc29 Apr

MAXTOR CORP(1)

  • SC 13DSeagate Technology1 May 2006

WELLINGTON MANAGEMENT CO LLP(1)

  • SC 13GSeagate Technology12 Feb 2010

BARCLAYS GLOBAL INVESTORS NA /CA/(1)

  • SC 13GSeagate Technology5 Feb 2009

LEGG MASON FUNDS MANAGEMENT INC /MD/(1)

  • SC 13GSeagate Technology15 Feb 2005

SILVER LAKE TECHNOLOGY INVESTORS CAYMAN LP(1)

  • SC 13G/ASeagate Technology14 Feb 2007

BlackRock, Inc.(1)

  • SC 13G/ASeagate Technology Holdings plc23 Apr 2025

VANGUARD CAPITAL MANAGEMENT LLC(1)

  • SC 13GSeagate Technology Holdings plc30 Apr