Home
AI Agent
Annotations
Files

Pricing and plans
Get the full experience
We save the real magic for signed-in users.

Home Stock Screener Document Search Charting Watchlists Recent Filings

Insperity, Inc.(NSP US)

$50.87+1.462.95%Ext:$36.98-13.8927.30%(After Hours · 22:38:46 UTC)

Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

Documents

SEC Filings

Categorized Chronological By Owner

Financials & Metrics

Financials Charting Short Interest Employees

Home
AI Agent
Annotations
Files

Pricing and plans
Get the full experience
We save the real magic for signed-in users.

Home Stock Screener Document Search Charting Watchlists Recent Filings

Insperity, Inc.(NSP US)

$50.87+1.462.95%Ext:$36.98-13.8927.30%(After Hours · 22:38:46 UTC)

Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

Documents

SEC Filings

Categorized Chronological By Owner

Financials & Metrics

Financials Charting Short Interest Employees

Home
AI Agent
Annotations
Files

Pricing and plans
Get the full experience
We save the real magic for signed-in users.

NSP US

Home Stock Screener Document Search Charting Watchlists Recent Filings

Insperity, Inc.(NSP US)

$50.87+1.462.95%Ext:$36.98-13.8927.30%(After Hours · 22:38:46 UTC)

Ask AI

Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

Documents

SEC Filings

Categorized Chronological By Owner

Financials & Metrics

Financials Charting Short Interest Employees

Home
AI Agent
Annotations
Files

Pricing and plans
Get the full experience
We save the real magic for signed-in users.

NSP US

Home Stock Screener Document Search Charting Watchlists Recent Filings

Insperity, Inc.(NSP US)

$50.87+1.462.95%Ext:$36.98-13.8927.30%(After Hours · 22:38:46 UTC)

Ask AI

Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

Documents

SEC Filings

Categorized Chronological By Owner

Financials & Metrics

Financials Charting Short Interest Employees

NSP US

Ask AI

NSP US

Ask AI

SEC Filings by Owner

Insider Ownership

SARVADI PAUL J(273)

Form 4PRIMARY DOCUMENT14 Sep
Form 4PRIMARY DOCUMENT21 Aug
Form 4PRIMARY DOCUMENT4 Jun
Form 4PRIMARY DOCUMENT6 May
Form 4PRIMARY DOCUMENT19 Mar
Form 4PRIMARY DOCUMENT4 Mar
Form 4PRIMARY DOCUMENT19 Feb
Form 5PRIMARY DOCUMENT13 Feb
Form 4PRIMARY DOCUMENT19 Sep 2025
Form 4PRIMARY DOCUMENT1 Jul 2025

RAWSON RICHARD G(209)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT18 Dec 2023
Form 4PRIMARY DOCUMENT28 Nov 2023
Form 4PRIMARY DOCUMENT16 Nov 2023
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT21 Apr 2023
Form 4PRIMARY DOCUMENT21 Feb 2023
Form 4PRIMARY DOCUMENT2 Nov 2022

ARIZPE ARTHUR A(176)

Form 4PRIMARY DOCUMENT4 Mar
Form 4PRIMARY DOCUMENT19 Feb
Form 4PRIMARY DOCUMENT1 Jul 2025
Form 4PRIMARY DOCUMENT16 May 2025
Form 4PRIMARY DOCUMENT12 Mar 2025
Form 4PRIMARY DOCUMENT5 Mar 2025
Form 4PRIMARY DOCUMENT13 Feb 2025
Form 4PRIMARY DOCUMENT4 Mar 2025
Form 4PRIMARY DOCUMENT4 Mar 2024
Form 4PRIMARY DOCUMENT1 Mar 2024

MINCKS JAY E(173)

Form 4PRIMARY DOCUMENT12 Mar 2021
Form 4PRIMARY DOCUMENT5 Mar 2021
Form 4PRIMARY DOCUMENT3 Mar 2021
Form 4PRIMARY DOCUMENT1 Mar 2021
Form 4PRIMARY DOCUMENT25 Feb 2021
Form 4PRIMARY DOCUMENT24 Feb 2021
Form 4PRIMARY DOCUMENT12 Nov 2020
Form 4PRIMARY DOCUMENT4 Nov 2020
Form 4PRIMARY DOCUMENT13 Aug 2020
Form 4PRIMARY DOCUMENT15 Jun 2020

LATTANZIO PAUL S(147)

Form 4PRIMARY DOCUMENT5 May 2015
Form 4PRIMARY DOCUMENT13 Feb 2015
Form 4PRIMARY DOCUMENT5 Jan 2015
Form 4PRIMARY DOCUMENT1 Oct 2014
Form 4PRIMARY DOCUMENT1 Aug 2014
Form 4PRIMARY DOCUMENT1 Jul 2014
Form 4PRIMARY DOCUMENT14 May 2014
Form 4PRIMARY DOCUMENT2 May 2014
Form 4PRIMARY DOCUMENT1 Apr 2014
Form 4PRIMARY DOCUMENT18 Feb 2014

FIELDS JACK M JR(128)

Form 4PRIMARY DOCUMENT12 May 2015
Form 4PRIMARY DOCUMENT13 Feb 2015
Form 4PRIMARY DOCUMENT5 Jan 2015
Form 4PRIMARY DOCUMENT1 Oct 2014
Form 4PRIMARY DOCUMENT5 Aug 2014
Form 4PRIMARY DOCUMENT1 Jul 2014
Form 4PRIMARY DOCUMENT14 May 2014
Form 4PRIMARY DOCUMENT1 Apr 2014
Form 4PRIMARY DOCUMENT18 Feb 2014
Form 4PRIMARY DOCUMENT30 Jan 2014

SHARP DOUGLAS S(125)

Form 4PRIMARY DOCUMENT10 May 2024
Form 4PRIMARY DOCUMENT4 Mar 2024
Form 4PRIMARY DOCUMENT1 Mar 2024
Form 4PRIMARY DOCUMENT22 Feb 2024
Form 4PRIMARY DOCUMENT3 May 2023
Form 4PRIMARY DOCUMENT6 Mar 2023
Form 4PRIMARY DOCUMENT2 Mar 2023
Form 4PRIMARY DOCUMENT24 Feb 2023
Form 4PRIMARY DOCUMENT14 Nov 2022
Form 4PRIMARY DOCUMENT15 Aug 2022

Herink Daniel D(109)

Form 4PRIMARY DOCUMENT21 Nov 2023
Form 4PRIMARY DOCUMENT6 Mar 2023
Form 4PRIMARY DOCUMENT2 Mar 2023
Form 4PRIMARY DOCUMENT24 Feb 2023
Form 4PRIMARY DOCUMENT16 Feb 2023
Form 4PRIMARY DOCUMENT14 Nov 2022
Form 4PRIMARY DOCUMENT17 Aug 2022
Form 4PRIMARY DOCUMENT3 Jun 2022
Form 4PRIMARY DOCUMENT4 Mar 2022
Form 4PRIMARY DOCUMENT2 Mar 2022

JONES ELI(63)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 3PRIMARY DOCUMENT18 Dec 2020
Form 4PRIMARY DOCUMENT18 Dec 2020
Form 4PRIMARY DOCUMENT5 May 2016

YOUNG AUSTIN P(49)

Form 4PRIMARY DOCUMENT12 Jun 2019
Form 4PRIMARY DOCUMENT24 May 2019
Form 4PRIMARY DOCUMENT15 Jun 2018
Form 4PRIMARY DOCUMENT25 May 2018
Form 4PRIMARY DOCUMENT7 May 2018
Form 4PRIMARY DOCUMENT13 Mar 2018
Form 4PRIMARY DOCUMENT20 Jun 2017
Form 4PRIMARY DOCUMENT16 Feb 2017
Form 4PRIMARY DOCUMENT1 Jul 2016
Form 4PRIMARY DOCUMENT9 Jun 2016

BROWN MICHAEL W(49)

Form 4PRIMARY DOCUMENT12 Sep 2016
Form 4PRIMARY DOCUMENT1 Jul 2016
Form 4PRIMARY DOCUMENT26 May 2016
Form 4PRIMARY DOCUMENT11 Jun 2015
Form 4PRIMARY DOCUMENT14 May 2014
Form 4PRIMARY DOCUMENT16 May 2013
Form 4PRIMARY DOCUMENT16 May 2012
Form 4PRIMARY DOCUMENT18 May 2011
Form 4PRIMARY DOCUMENT7 Mar 2011
Form 4PRIMARY DOCUMENT20 Apr 2010

PETSCH GREGORY E(46)

Form 4PRIMARY DOCUMENT15 May 2013
Form 4PRIMARY DOCUMENT16 May 2012
Form 4PRIMARY DOCUMENT18 May 2011
Form 4PRIMARY DOCUMENT17 Aug 2010
Form 4PRIMARY DOCUMENT20 Apr 2010
Form 4PRIMARY DOCUMENT6 May 2009
Form 4PRIMARY DOCUMENT7 May 2008
Form 4PRIMARY DOCUMENT3 May 2007
Form 4PRIMARY DOCUMENT3 Jan 2007
Form 4PRIMARY DOCUMENT17 Nov 2006

ALLISON JAMES D(39)

Form 4PRIMARY DOCUMENT11 Mar
Form 4PRIMARY DOCUMENT4 Mar
Form 4PRIMARY DOCUMENT19 Feb
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT5 Mar 2025
Form 4PRIMARY DOCUMENT4 Mar 2025
Form 4PRIMARY DOCUMENT4 Mar 2024
Form 4PRIMARY DOCUMENT1 Mar 2024
Form 4PRIMARY DOCUMENT22 Feb 2024
Form 4PRIMARY DOCUMENT14 Nov 2023

KAUFMAN CAROL R(25)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 4PRIMARY DOCUMENT22 May 2020
Form 4PRIMARY DOCUMENT24 May 2019
Form 4PRIMARY DOCUMENT25 May 2018

Feld Peter A(24)

Form 4OWNERSHIP DOCUMENT5 Jul 2017
Form 4OWNERSHIP DOCUMENT4 May 2017
Form 4OWNERSHIP DOCUMENT3 Apr 2017
Form 4OWNERSHIP DOCUMENT2 Mar 2017
Form 4OWNERSHIP DOCUMENT27 Feb 2017
Form 4OWNERSHIP DOCUMENT3 Jan 2017
Form 4OWNERSHIP DOCUMENT15 Dec 2016
Form 4OWNERSHIP DOCUMENT12 Dec 2016
Form 4OWNERSHIP DOCUMENT7 Dec 2016
Form 4OWNERSHIP DOCUMENT30 Nov 2016

SPURGIN JOHN H II(20)

Form 4PRIMARY DOCUMENT5 Mar 2007
Form 4PRIMARY DOCUMENT28 Feb 2007
Form 4PRIMARY DOCUMENT5 Feb 2007
Form 4PRIMARY DOCUMENT5 May 2006
Form 4PRIMARY DOCUMENT23 Feb 2006
Form 4PRIMARY DOCUMENT2 Feb 2006
Form 4PRIMARY DOCUMENT23 Nov 2005
Form 4PRIMARY DOCUMENT7 Nov 2005
Form 4PRIMARY DOCUMENT30 Aug 2005
Form 4PRIMARY DOCUMENT8 Aug 2005

MORPHY JOHN M(19)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT24 May 2024
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT28 Aug 2023
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT5 Aug 2022
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 4PRIMARY DOCUMENT15 Jun 2020

MASTERSON ELLEN H(16)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT11 Mar
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT13 Feb 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT18 Dec 2023
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021

CLIFFORD TIM(15)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT18 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT14 Feb 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 4PRIMARY DOCUMENT22 May 2020
Form 4PRIMARY DOCUMENT29 Aug 2019

Mehl Randall(15)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT10 Nov 2025
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 4PRIMARY DOCUMENT9 Sep 2020
Form 4PRIMARY DOCUMENT22 May 2020

Lumelleau John L(10)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 4PRIMARY DOCUMENT22 May 2020
Form 4PRIMARY DOCUMENT4 Dec 2019
Form 3PRIMARY DOCUMENT4 Dec 2019

Ramchand Latha(10)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 4PRIMARY DOCUMENT22 May 2020
Form 3PRIMARY DOCUMENT4 Dec 2019
Form 4PRIMARY DOCUMENT4 Dec 2019

WEST HIGHLAND CAPITAL INC/LHG/WHP/PB/BP(9)

Form 4Statement of changes in beneficial ownership4 Oct 2001
Form 4Statement of changes in beneficial ownership7 Sep 2001
Form 4Statement of changes in beneficial ownership10 Aug 2001
Form 4Statement of changes in beneficial ownership10 Jul 2001
Form 4Statement of changes in beneficial ownership9 Aug 1999
Form 4Statement of changes in beneficial ownership9 Jul 1999
Form 4Statement of changes in beneficial ownership10 May 1999
Form 4Statement of changes in beneficial ownership12 Apr 1999
Form 3Initial statement of beneficial ownership26 Mar 1999

Michelle McKenna(9)

Form 4PRIMARY DOCUMENT24 Aug 2017
Form 4PRIMARY DOCUMENT14 Aug 2017
Form 4PRIMARY DOCUMENT20 Jun 2017
Form 4PRIMARY DOCUMENT27 Feb 2017
Form 4PRIMARY DOCUMENT8 Dec 2016
Form 4PRIMARY DOCUMENT14 Nov 2016
Form 4PRIMARY DOCUMENT1 Jul 2016
Form 4PRIMARY DOCUMENT11 Jun 2015
Form 3PRIMARY DOCUMENT27 Apr 2015

SORENSEN NORMAN R(7)

Form 4PRIMARY DOCUMENT20 Jun 2017
Form 4PRIMARY DOCUMENT1 Jul 2016
Form 4PRIMARY DOCUMENT4 Jan 2016
Form 4PRIMARY DOCUMENT2 Oct 2015
Form 4PRIMARY DOCUMENT1 Jul 2015
Form 4PRIMARY DOCUMENT11 Jun 2015
Form 3Initial statement of beneficial ownership25 Mar 2015

Duffy Sean Patrick(6)

Form 4PRIMARY DOCUMENT4 Nov
Form 4PRIMARY DOCUMENT6 Oct
Form 4PRIMARY DOCUMENT4 Mar
Form 4PRIMARY DOCUMENT8 Oct 2025
Form 4PRIMARY DOCUMENT4 Mar 2025
Form 3PRIMARY DOCUMENT22 Nov 2024

Callens Christian P(5)

Form 4PRIMARY DOCUMENT11 Mar
Form 4PRIMARY DOCUMENT4 Mar
Form 4PRIMARY DOCUMENT4 Mar 2025
Form 4PRIMARY DOCUMENT1 Mar 2024
Form 3PRIMARY DOCUMENT10 Jan 2024

WILMINGTON PHILIP W(4)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT24 May 2024
Form 3PRIMARY DOCUMENT24 May 2024

JUVONEN RONALD(2)

Form 4Statement of changes in beneficial ownership5 May 2003
Form 3Initial statement of beneficial ownership26 Jul 2002

LARSON SAMUEL G(2)

Form 4PRIMARY DOCUMENT2 Apr 2004
Form 4PRIMARY DOCUMENT4 Nov 2003

TRAUB KENNETH H(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

MITCHELL MARK R(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Smith Jeffrey C(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

STARBOARD VALUE & OPPORTUNITY MASTER FUND LTD(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Value LP(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Value GP LLC(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Principal Co LP(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Principal Co GP LLC(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

STARBOARD VALUE & OPPORTUNITY S LLC(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Value & Opportunity C LP(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Value R LP(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Value R GP LLC(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

≥5% Ownership

SARVADI PAUL J(23)

SC 13G/AInsperity, Inc.14 Feb 2019
SC 13G/AInsperity, Inc.12 Feb 2018
SC 13G/AInsperity, Inc.31 Jan 2017
SC 13G/AInsperity, Inc.25 Jan 2016
SC 13G/AInsperity, Inc.11 Feb 2015
SC 13G/AInsperity, Inc.17 Jan 2014
SC 13G/AInsperity, Inc.1 Feb 2013
SC 13G/AInsperity, Inc.8 Feb 2012
SC 13G/AAdministaff Inc \De\11 Feb 2011
SC 13G/AAdministaff Inc \De\16 Feb 2010

BlackRock Inc.(18)

SC 13G/AInsperity, Inc.23 Jan 2024
SC 13G/AInsperity, Inc.26 Jan 2023
SC 13G/AInsperity, Inc.20 Jan 2023
SC 13G/AInsperity, Inc.27 Jan 2022
SC 13G/AInsperity, Inc.26 Jan 2022
SC 13G/AInsperity, Inc.27 Jan 2021
SC 13G/AInsperity, Inc.4 Feb 2020
SC 13G/AInsperity, Inc.28 Jan 2019
SC 13G/AInsperity, Inc.23 Jan 2018
SC 13G/AInsperity, Inc.12 Jan 2017

VANGUARD GROUP INC(16)

SC 13G/AInsperity, Inc.27 Mar
SC 13G/AInsperity, Inc.13 Feb 2024
SC 13G/AInsperity, Inc.10 Apr 2023
SC 13G/AInsperity, Inc.9 Feb 2023
SC 13G/AInsperity, Inc.10 Feb 2022
SC 13G/AInsperity, Inc.10 Feb 2021
SC 13G/AInsperity, Inc.12 Feb 2020
SC 13G/AInsperity, Inc.11 Feb 2019
SC 13G/AInsperity, Inc.13 Nov 2018
SC 13G/AInsperity, Inc.9 Feb 2018

STADIUM CAPITAL MANAGEMENT LLC(16)

SC 13G/AInsperity, Inc.11 Feb 2016
SC 13GInsperity, Inc.24 Mar 2015
SC 13D/AInsperity, Inc.19 Mar 2015
SC 13D/AInsperity, Inc.20 Feb 2015
SC 13D/AInsperity, Inc.28 Apr 2014
SC 13D/AInsperity, Inc.22 Apr 2014
SC 13DInsperity, Inc.27 Mar 2014
SC 13G/AInsperity, Inc.14 Feb 2014
SC 13G/AInsperity, Inc.9 May 2013
SC 13G/AInsperity, Inc.14 Feb 2013

RAWSON RICHARD G(11)

SC 13G/AAdministaff Inc \De\1 Feb 2008
SC 13G/AAdministaff Inc \De\13 Feb 2007
SC 13G/AAdministaff Inc \De\14 Feb 2006
SC 13G/AAdministaff Inc \De\31 Jan 2005
SC 13G/AAdministaff Inc \De\10 Feb 2004
SC 13G/AAdministaff Inc \De\7 Feb 2003
SC 13G/AAdministaff Inc \De\11 Feb 2002
SC 13G/AAdministaff Inc \De\12 Feb 2001
SC 13G/AAdministaff Inc \De\11 Feb 2000
SC 13G/AAdministaff Inc \De\9 Feb 1999

Starboard Value LP(10)

SC 13D/AInsperity, Inc.30 Nov 2016
SC 13D/AInsperity, Inc.16 Nov 2016
SC 13D/AInsperity, Inc.6 Jun 2016
SC 13D/AInsperity, Inc.1 Jun 2016
SC 13D/AInsperity, Inc.25 May 2016
SC 13D/AInsperity, Inc.19 May 2016
SC 13D/AInsperity, Inc.15 Mar 2016
SC 13D/AInsperity, Inc.24 Apr 2015
SC 13D/AInsperity, Inc.23 Mar 2015
SC 13DInsperity, Inc.20 Jan 2015

WEST HIGHLAND CAPITAL INC/LHG/WHP/PB/BP(9)

SC 13G/AAdministaff Inc \De\26 Nov 2001
SC 13G/AAdministaff Inc \De\22 Oct 2001
SC 13G/AAdministaff Inc \De\29 Jun 2001
SC 13GAdministaff Inc \De\18 Jun 2001
SC 13D/AAdministaff Inc \De\9 Aug 1999
SC 13D/AAdministaff Inc \De\12 Jul 1999
SC 13DAdministaff Inc \De\6 May 1999
SC 13G/AAdministaff Inc \De\26 Mar 1999
SC 13GAdministaff Inc \De\5 Feb 1999

COLUMBIA WANGER ASSET MANAGEMENT LLC(8)

SC 13G/AInsperity, Inc.10 Feb 2015
SC 13G/AInsperity, Inc.6 Feb 2014
SC 13GInsperity, Inc.14 Feb 2013
SC 13G/AAdministaff Inc \De\10 Feb 2011
SC 13G/AAdministaff Inc \De\9 Feb 2010
SC 13G/AAdministaff Inc \De\5 Feb 2009
SC 13G/AAdministaff Inc \De\7 Nov 2007
SC 13GAdministaff Inc \De\11 Jan 2007

Mawer Investment Management Ltd.(8)

SC 13G/AInsperity, Inc.11 Feb
SC 13G/AInsperity, Inc.4 Sep 2025
SC 13G/AInsperity, Inc.8 Nov 2024
SC 13G/AInsperity, Inc.5 Feb 2024
SC 13G/AInsperity, Inc.13 Feb 2023
SC 13G/AInsperity, Inc.10 Feb 2022
SC 13G/AInsperity, Inc.10 Jun 2021
SC 13GInsperity, Inc.5 Feb 2021

AMERICAN EXPRESS CO(5)

SC 13D/AAdministaff Inc \De\31 Jul 1998
SC 13D/AAdministaff Inc \De\14 Jul 1998
SC 13D/AAdministaff Inc \De\25 Jun 1998
SC 13D/AAdministaff Inc \De\19 Mar 1998
SC 13DAdministaff Inc \De\6 Feb 1998

TCW GROUP INC(5)

SC 13G/AAdministaff Inc \De\14 Feb 2000
SC 13G/AAdministaff Inc \De\8 Feb 1999
SC 13G/AAdministaff Inc \De\8 Feb 1999
SC 13G/AAdministaff Inc \De\10 Jun 1998
SC 13GAdministaff Inc \De\12 Feb 1998

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC(5)

SC 13D/AAdministaff Inc \De\28 Feb 2003
SC 13D/AAdministaff Inc \De\9 Apr 2002
SC 13D/AAdministaff Inc \De\2 Apr 2001
SC 13D/AAdministaff Inc \De\19 Mar 2001
SC 13D/AAdministaff Inc \De\22 Feb 2001

JUVONEN RONALD(5)

SC 13G/AAdministaff Inc \De\12 Dec 2003
SC 13G/AAdministaff Inc \De\7 Nov 2003
SC 13G/AAdministaff Inc \De\14 Feb 2003
SC 13G/AAdministaff Inc \De\26 Jul 2002
SC 13GAdministaff Inc \De\31 Jan 2002

Invesco Ltd.(4)

SC 13G/AInsperity, Inc.13 Aug
SC 13GInsperity, Inc.6 May
SC 13G/AAdministaff Inc \De\12 Feb 2009
SC 13GAdministaff Inc \De\11 Feb 2008

MCINTOSH GERALD M(4)

SC 13G/AAdministaff Inc \De\12 Feb 2001
SC 13G/AAdministaff Inc \De\11 Feb 2000
SC 13G/AAdministaff Inc \De\9 Feb 1999
SC 13GAdministaff Inc \De\13 Feb 1998

MCINTOSH CHARITABLE REMAINDER UNITRUST(4)

SC 13G/AAdministaff Inc \De\12 Feb 2001
SC 13G/AAdministaff Inc \De\11 Feb 2000
SC 13G/AAdministaff Inc \De\9 Feb 1999
SC 13GAdministaff Inc \De\13 Feb 1998

BANKERS TRUST CORP(3)

SC 13G/AAdministaff Inc \De\16 Feb 1999
SC 13G/AAdministaff Inc \De\17 Feb 1998
SC 13GAdministaff Inc \De\14 Feb 1997

PRICE T ROWE ASSOCIATES INC /MD/(3)

SC 13G/AAdministaff Inc \De\12 Feb 2010
SC 13G/AAdministaff Inc \De\11 Feb 2009
SC 13GAdministaff Inc \De\13 Feb 2008

AXA FINANCIAL INC(3)

SC 13G/AAdministaff Inc \De\14 Feb 2008
SC 13G/AAdministaff Inc \De\13 Feb 2007
SC 13GAdministaff Inc \De\14 Feb 2006

PRUDENTIAL FINANCIAL INC(3)

SC 13G/AAdministaff Inc \De\3 Feb 2010
SC 13G/AAdministaff Inc \De\6 Feb 2009
SC 13GAdministaff Inc \De\6 Feb 2008

Vulcan Value Partners, LLC(3)

SC 13G/AInsperity, Inc.16 Feb 2016
SC 13G/AInsperity, Inc.17 Feb 2015
SC 13GInsperity, Inc.10 Feb 2014

CAPITAL RESEARCH & MANAGEMENT CO(2)

SC 13GAdministaff Inc \De\11 Feb 1999
SC 13GAdministaff Inc \De\9 Jul 1998

FRANKLIN RESOURCES INC(2)

SC 13G/AInsperity, Inc.9 Feb 2012
SC 13GAdministaff Inc \De\2 Feb 2011

JENNISON ASSOCIATES LLC(2)

SC 13G/AAdministaff Inc \De\12 Feb 2010
SC 13GAdministaff Inc \De\13 Feb 2009

FMR LLC(2)

SC 13G/AInsperity, Inc.9 Feb 2022
SC 13GInsperity, Inc.8 Feb 2021

DIMENSIONAL FUND ADVISORS INC(2)

SC 13G/AAdministaff Inc \De\6 Feb 2004
SC 13GAdministaff Inc \De\10 Feb 2003

CAPITAL GROUP COMPANIES INC ET AL(2)

SC 13GAdministaff Inc \De\9 Jul 1998
SC 13GAdministaff Inc \De\11 Feb 1998

BLAIR WILLIAM & CO/IL(2)

SC 13G/AAdministaff Inc \De\13 Feb 2003
SC 13GAdministaff Inc \De\15 Feb 2002

BARCLAYS GLOBAL INVESTORS NA /CA/(2)

SC 13GAdministaff Inc \De\5 Feb 2009
SC 13GAdministaff Inc \De\14 Feb 2005

PARNASSUS INVESTMENTS /CA(2)

SC 13G/AInsperity, Inc.14 Feb 2014
SC 13GInsperity, Inc.8 Feb 2013

REINHART PARTNERS, LLC.(2)

SC 13G/AInsperity, Inc.12 Feb
SC 13GInsperity, Inc.4 Nov 2025

MANDEL STEPHEN F JR(2)

SC 13G/AAdministaff Inc \De\14 Feb 2002
SC 13GAdministaff Inc \De\25 Oct 2001

GOLDMAN SACHS ASSET MANAGEMENT LP(2)

SC 13G/AAdministaff Inc \De\25 Jan 2007
SC 13GAdministaff Inc \De\1 Feb 2006

BlackRock, Inc.(2)

SC 13G/AInsperity, Inc.21 Jan
SC 13G/AInsperity, Inc.23 Apr 2025

BARCLAYS PLC(1)

SC 13GAdministaff Inc \De\9 Feb 2006

AMERICAN EXPRESS FINANCIAL ADVISORS(1)

SC 13GAdministaff Inc \De\11 Feb 2000

RUSSELL DAVID W(1)

SC 13GAdministaff Inc \De\13 Feb 1998

PYRAMID VENTURES INC(1)

SC 13GAdministaff Inc \De\17 Feb 1998

HAMMOND JAMES W(1)

SC 13GAdministaff Inc \De\27 Feb 1998

MANAGED ACCOUNT ADVISORS LLC(1)

SC 13GInsperity, Inc.12 Aug

VANGUARD PORTFOLIO MANAGEMENT LLC(1)

SC 13GInsperity, Inc.29 Apr

Insider Ownership

SARVADI PAUL J(273)

Form 4PRIMARY DOCUMENT14 Sep
Form 4PRIMARY DOCUMENT21 Aug
Form 4PRIMARY DOCUMENT4 Jun
Form 4PRIMARY DOCUMENT6 May
Form 4PRIMARY DOCUMENT19 Mar
Form 4PRIMARY DOCUMENT4 Mar
Form 4PRIMARY DOCUMENT19 Feb
Form 5PRIMARY DOCUMENT13 Feb
Form 4PRIMARY DOCUMENT19 Sep 2025
Form 4PRIMARY DOCUMENT1 Jul 2025

RAWSON RICHARD G(209)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT18 Dec 2023
Form 4PRIMARY DOCUMENT28 Nov 2023
Form 4PRIMARY DOCUMENT16 Nov 2023
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT21 Apr 2023
Form 4PRIMARY DOCUMENT21 Feb 2023
Form 4PRIMARY DOCUMENT2 Nov 2022

ARIZPE ARTHUR A(176)

Form 4PRIMARY DOCUMENT4 Mar
Form 4PRIMARY DOCUMENT19 Feb
Form 4PRIMARY DOCUMENT1 Jul 2025
Form 4PRIMARY DOCUMENT16 May 2025
Form 4PRIMARY DOCUMENT12 Mar 2025
Form 4PRIMARY DOCUMENT5 Mar 2025
Form 4PRIMARY DOCUMENT13 Feb 2025
Form 4PRIMARY DOCUMENT4 Mar 2025
Form 4PRIMARY DOCUMENT4 Mar 2024
Form 4PRIMARY DOCUMENT1 Mar 2024

MINCKS JAY E(173)

Form 4PRIMARY DOCUMENT12 Mar 2021
Form 4PRIMARY DOCUMENT5 Mar 2021
Form 4PRIMARY DOCUMENT3 Mar 2021
Form 4PRIMARY DOCUMENT1 Mar 2021
Form 4PRIMARY DOCUMENT25 Feb 2021
Form 4PRIMARY DOCUMENT24 Feb 2021
Form 4PRIMARY DOCUMENT12 Nov 2020
Form 4PRIMARY DOCUMENT4 Nov 2020
Form 4PRIMARY DOCUMENT13 Aug 2020
Form 4PRIMARY DOCUMENT15 Jun 2020

LATTANZIO PAUL S(147)

Form 4PRIMARY DOCUMENT5 May 2015
Form 4PRIMARY DOCUMENT13 Feb 2015
Form 4PRIMARY DOCUMENT5 Jan 2015
Form 4PRIMARY DOCUMENT1 Oct 2014
Form 4PRIMARY DOCUMENT1 Aug 2014
Form 4PRIMARY DOCUMENT1 Jul 2014
Form 4PRIMARY DOCUMENT14 May 2014
Form 4PRIMARY DOCUMENT2 May 2014
Form 4PRIMARY DOCUMENT1 Apr 2014
Form 4PRIMARY DOCUMENT18 Feb 2014

FIELDS JACK M JR(128)

Form 4PRIMARY DOCUMENT12 May 2015
Form 4PRIMARY DOCUMENT13 Feb 2015
Form 4PRIMARY DOCUMENT5 Jan 2015
Form 4PRIMARY DOCUMENT1 Oct 2014
Form 4PRIMARY DOCUMENT5 Aug 2014
Form 4PRIMARY DOCUMENT1 Jul 2014
Form 4PRIMARY DOCUMENT14 May 2014
Form 4PRIMARY DOCUMENT1 Apr 2014
Form 4PRIMARY DOCUMENT18 Feb 2014
Form 4PRIMARY DOCUMENT30 Jan 2014

SHARP DOUGLAS S(125)

Form 4PRIMARY DOCUMENT10 May 2024
Form 4PRIMARY DOCUMENT4 Mar 2024
Form 4PRIMARY DOCUMENT1 Mar 2024
Form 4PRIMARY DOCUMENT22 Feb 2024
Form 4PRIMARY DOCUMENT3 May 2023
Form 4PRIMARY DOCUMENT6 Mar 2023
Form 4PRIMARY DOCUMENT2 Mar 2023
Form 4PRIMARY DOCUMENT24 Feb 2023
Form 4PRIMARY DOCUMENT14 Nov 2022
Form 4PRIMARY DOCUMENT15 Aug 2022

Herink Daniel D(109)

Form 4PRIMARY DOCUMENT21 Nov 2023
Form 4PRIMARY DOCUMENT6 Mar 2023
Form 4PRIMARY DOCUMENT2 Mar 2023
Form 4PRIMARY DOCUMENT24 Feb 2023
Form 4PRIMARY DOCUMENT16 Feb 2023
Form 4PRIMARY DOCUMENT14 Nov 2022
Form 4PRIMARY DOCUMENT17 Aug 2022
Form 4PRIMARY DOCUMENT3 Jun 2022
Form 4PRIMARY DOCUMENT4 Mar 2022
Form 4PRIMARY DOCUMENT2 Mar 2022

JONES ELI(63)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 3PRIMARY DOCUMENT18 Dec 2020
Form 4PRIMARY DOCUMENT18 Dec 2020
Form 4PRIMARY DOCUMENT5 May 2016

YOUNG AUSTIN P(49)

Form 4PRIMARY DOCUMENT12 Jun 2019
Form 4PRIMARY DOCUMENT24 May 2019
Form 4PRIMARY DOCUMENT15 Jun 2018
Form 4PRIMARY DOCUMENT25 May 2018
Form 4PRIMARY DOCUMENT7 May 2018
Form 4PRIMARY DOCUMENT13 Mar 2018
Form 4PRIMARY DOCUMENT20 Jun 2017
Form 4PRIMARY DOCUMENT16 Feb 2017
Form 4PRIMARY DOCUMENT1 Jul 2016
Form 4PRIMARY DOCUMENT9 Jun 2016

BROWN MICHAEL W(49)

Form 4PRIMARY DOCUMENT12 Sep 2016
Form 4PRIMARY DOCUMENT1 Jul 2016
Form 4PRIMARY DOCUMENT26 May 2016
Form 4PRIMARY DOCUMENT11 Jun 2015
Form 4PRIMARY DOCUMENT14 May 2014
Form 4PRIMARY DOCUMENT16 May 2013
Form 4PRIMARY DOCUMENT16 May 2012
Form 4PRIMARY DOCUMENT18 May 2011
Form 4PRIMARY DOCUMENT7 Mar 2011
Form 4PRIMARY DOCUMENT20 Apr 2010

PETSCH GREGORY E(46)

Form 4PRIMARY DOCUMENT15 May 2013
Form 4PRIMARY DOCUMENT16 May 2012
Form 4PRIMARY DOCUMENT18 May 2011
Form 4PRIMARY DOCUMENT17 Aug 2010
Form 4PRIMARY DOCUMENT20 Apr 2010
Form 4PRIMARY DOCUMENT6 May 2009
Form 4PRIMARY DOCUMENT7 May 2008
Form 4PRIMARY DOCUMENT3 May 2007
Form 4PRIMARY DOCUMENT3 Jan 2007
Form 4PRIMARY DOCUMENT17 Nov 2006

ALLISON JAMES D(39)

Form 4PRIMARY DOCUMENT11 Mar
Form 4PRIMARY DOCUMENT4 Mar
Form 4PRIMARY DOCUMENT19 Feb
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT5 Mar 2025
Form 4PRIMARY DOCUMENT4 Mar 2025
Form 4PRIMARY DOCUMENT4 Mar 2024
Form 4PRIMARY DOCUMENT1 Mar 2024
Form 4PRIMARY DOCUMENT22 Feb 2024
Form 4PRIMARY DOCUMENT14 Nov 2023

KAUFMAN CAROL R(25)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 4PRIMARY DOCUMENT22 May 2020
Form 4PRIMARY DOCUMENT24 May 2019
Form 4PRIMARY DOCUMENT25 May 2018

Feld Peter A(24)

Form 4OWNERSHIP DOCUMENT5 Jul 2017
Form 4OWNERSHIP DOCUMENT4 May 2017
Form 4OWNERSHIP DOCUMENT3 Apr 2017
Form 4OWNERSHIP DOCUMENT2 Mar 2017
Form 4OWNERSHIP DOCUMENT27 Feb 2017
Form 4OWNERSHIP DOCUMENT3 Jan 2017
Form 4OWNERSHIP DOCUMENT15 Dec 2016
Form 4OWNERSHIP DOCUMENT12 Dec 2016
Form 4OWNERSHIP DOCUMENT7 Dec 2016
Form 4OWNERSHIP DOCUMENT30 Nov 2016

SPURGIN JOHN H II(20)

Form 4PRIMARY DOCUMENT5 Mar 2007
Form 4PRIMARY DOCUMENT28 Feb 2007
Form 4PRIMARY DOCUMENT5 Feb 2007
Form 4PRIMARY DOCUMENT5 May 2006
Form 4PRIMARY DOCUMENT23 Feb 2006
Form 4PRIMARY DOCUMENT2 Feb 2006
Form 4PRIMARY DOCUMENT23 Nov 2005
Form 4PRIMARY DOCUMENT7 Nov 2005
Form 4PRIMARY DOCUMENT30 Aug 2005
Form 4PRIMARY DOCUMENT8 Aug 2005

MORPHY JOHN M(19)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT24 May 2024
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT28 Aug 2023
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT5 Aug 2022
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 4PRIMARY DOCUMENT15 Jun 2020

MASTERSON ELLEN H(16)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT11 Mar
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT13 Feb 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT18 Dec 2023
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021

CLIFFORD TIM(15)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT18 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT14 Feb 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 4PRIMARY DOCUMENT22 May 2020
Form 4PRIMARY DOCUMENT29 Aug 2019

Mehl Randall(15)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT10 Nov 2025
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 4PRIMARY DOCUMENT9 Sep 2020
Form 4PRIMARY DOCUMENT22 May 2020

Lumelleau John L(10)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 4PRIMARY DOCUMENT22 May 2020
Form 4PRIMARY DOCUMENT4 Dec 2019
Form 3PRIMARY DOCUMENT4 Dec 2019

Ramchand Latha(10)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT6 Aug 2025
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT24 May 2023
Form 4PRIMARY DOCUMENT25 May 2022
Form 4PRIMARY DOCUMENT26 May 2021
Form 4PRIMARY DOCUMENT22 May 2020
Form 3PRIMARY DOCUMENT4 Dec 2019
Form 4PRIMARY DOCUMENT4 Dec 2019

WEST HIGHLAND CAPITAL INC/LHG/WHP/PB/BP(9)

Form 4Statement of changes in beneficial ownership4 Oct 2001
Form 4Statement of changes in beneficial ownership7 Sep 2001
Form 4Statement of changes in beneficial ownership10 Aug 2001
Form 4Statement of changes in beneficial ownership10 Jul 2001
Form 4Statement of changes in beneficial ownership9 Aug 1999
Form 4Statement of changes in beneficial ownership9 Jul 1999
Form 4Statement of changes in beneficial ownership10 May 1999
Form 4Statement of changes in beneficial ownership12 Apr 1999
Form 3Initial statement of beneficial ownership26 Mar 1999

Michelle McKenna(9)

Form 4PRIMARY DOCUMENT24 Aug 2017
Form 4PRIMARY DOCUMENT14 Aug 2017
Form 4PRIMARY DOCUMENT20 Jun 2017
Form 4PRIMARY DOCUMENT27 Feb 2017
Form 4PRIMARY DOCUMENT8 Dec 2016
Form 4PRIMARY DOCUMENT14 Nov 2016
Form 4PRIMARY DOCUMENT1 Jul 2016
Form 4PRIMARY DOCUMENT11 Jun 2015
Form 3PRIMARY DOCUMENT27 Apr 2015

SORENSEN NORMAN R(7)

Form 4PRIMARY DOCUMENT20 Jun 2017
Form 4PRIMARY DOCUMENT1 Jul 2016
Form 4PRIMARY DOCUMENT4 Jan 2016
Form 4PRIMARY DOCUMENT2 Oct 2015
Form 4PRIMARY DOCUMENT1 Jul 2015
Form 4PRIMARY DOCUMENT11 Jun 2015
Form 3Initial statement of beneficial ownership25 Mar 2015

Duffy Sean Patrick(6)

Form 4PRIMARY DOCUMENT4 Nov
Form 4PRIMARY DOCUMENT6 Oct
Form 4PRIMARY DOCUMENT4 Mar
Form 4PRIMARY DOCUMENT8 Oct 2025
Form 4PRIMARY DOCUMENT4 Mar 2025
Form 3PRIMARY DOCUMENT22 Nov 2024

Callens Christian P(5)

Form 4PRIMARY DOCUMENT11 Mar
Form 4PRIMARY DOCUMENT4 Mar
Form 4PRIMARY DOCUMENT4 Mar 2025
Form 4PRIMARY DOCUMENT1 Mar 2024
Form 3PRIMARY DOCUMENT10 Jan 2024

WILMINGTON PHILIP W(4)

Form 4PRIMARY DOCUMENT20 May
Form 4PRIMARY DOCUMENT22 May 2025
Form 4PRIMARY DOCUMENT24 May 2024
Form 3PRIMARY DOCUMENT24 May 2024

JUVONEN RONALD(2)

Form 4Statement of changes in beneficial ownership5 May 2003
Form 3Initial statement of beneficial ownership26 Jul 2002

LARSON SAMUEL G(2)

Form 4PRIMARY DOCUMENT2 Apr 2004
Form 4PRIMARY DOCUMENT4 Nov 2003

TRAUB KENNETH H(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

MITCHELL MARK R(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Smith Jeffrey C(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

STARBOARD VALUE & OPPORTUNITY MASTER FUND LTD(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Value LP(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Value GP LLC(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Principal Co LP(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Principal Co GP LLC(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

STARBOARD VALUE & OPPORTUNITY S LLC(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Value & Opportunity C LP(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Value R LP(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

Starboard Value R GP LLC(1)

Form 3Initial statement of beneficial ownership20 Jan 2015

≥5% Ownership

SARVADI PAUL J(23)

SC 13G/AInsperity, Inc.14 Feb 2019
SC 13G/AInsperity, Inc.12 Feb 2018
SC 13G/AInsperity, Inc.31 Jan 2017
SC 13G/AInsperity, Inc.25 Jan 2016
SC 13G/AInsperity, Inc.11 Feb 2015
SC 13G/AInsperity, Inc.17 Jan 2014
SC 13G/AInsperity, Inc.1 Feb 2013
SC 13G/AInsperity, Inc.8 Feb 2012
SC 13G/AAdministaff Inc \De\11 Feb 2011
SC 13G/AAdministaff Inc \De\16 Feb 2010

BlackRock Inc.(18)

SC 13G/AInsperity, Inc.23 Jan 2024
SC 13G/AInsperity, Inc.26 Jan 2023
SC 13G/AInsperity, Inc.20 Jan 2023
SC 13G/AInsperity, Inc.27 Jan 2022
SC 13G/AInsperity, Inc.26 Jan 2022
SC 13G/AInsperity, Inc.27 Jan 2021
SC 13G/AInsperity, Inc.4 Feb 2020
SC 13G/AInsperity, Inc.28 Jan 2019
SC 13G/AInsperity, Inc.23 Jan 2018
SC 13G/AInsperity, Inc.12 Jan 2017

VANGUARD GROUP INC(16)

SC 13G/AInsperity, Inc.27 Mar
SC 13G/AInsperity, Inc.13 Feb 2024
SC 13G/AInsperity, Inc.10 Apr 2023
SC 13G/AInsperity, Inc.9 Feb 2023
SC 13G/AInsperity, Inc.10 Feb 2022
SC 13G/AInsperity, Inc.10 Feb 2021
SC 13G/AInsperity, Inc.12 Feb 2020
SC 13G/AInsperity, Inc.11 Feb 2019
SC 13G/AInsperity, Inc.13 Nov 2018
SC 13G/AInsperity, Inc.9 Feb 2018

STADIUM CAPITAL MANAGEMENT LLC(16)

SC 13G/AInsperity, Inc.11 Feb 2016
SC 13GInsperity, Inc.24 Mar 2015
SC 13D/AInsperity, Inc.19 Mar 2015
SC 13D/AInsperity, Inc.20 Feb 2015
SC 13D/AInsperity, Inc.28 Apr 2014
SC 13D/AInsperity, Inc.22 Apr 2014
SC 13DInsperity, Inc.27 Mar 2014
SC 13G/AInsperity, Inc.14 Feb 2014
SC 13G/AInsperity, Inc.9 May 2013
SC 13G/AInsperity, Inc.14 Feb 2013

RAWSON RICHARD G(11)

SC 13G/AAdministaff Inc \De\1 Feb 2008
SC 13G/AAdministaff Inc \De\13 Feb 2007
SC 13G/AAdministaff Inc \De\14 Feb 2006
SC 13G/AAdministaff Inc \De\31 Jan 2005
SC 13G/AAdministaff Inc \De\10 Feb 2004
SC 13G/AAdministaff Inc \De\7 Feb 2003
SC 13G/AAdministaff Inc \De\11 Feb 2002
SC 13G/AAdministaff Inc \De\12 Feb 2001
SC 13G/AAdministaff Inc \De\11 Feb 2000
SC 13G/AAdministaff Inc \De\9 Feb 1999

Starboard Value LP(10)

SC 13D/AInsperity, Inc.30 Nov 2016
SC 13D/AInsperity, Inc.16 Nov 2016
SC 13D/AInsperity, Inc.6 Jun 2016
SC 13D/AInsperity, Inc.1 Jun 2016
SC 13D/AInsperity, Inc.25 May 2016
SC 13D/AInsperity, Inc.19 May 2016
SC 13D/AInsperity, Inc.15 Mar 2016
SC 13D/AInsperity, Inc.24 Apr 2015
SC 13D/AInsperity, Inc.23 Mar 2015
SC 13DInsperity, Inc.20 Jan 2015

WEST HIGHLAND CAPITAL INC/LHG/WHP/PB/BP(9)

SC 13G/AAdministaff Inc \De\26 Nov 2001
SC 13G/AAdministaff Inc \De\22 Oct 2001
SC 13G/AAdministaff Inc \De\29 Jun 2001
SC 13GAdministaff Inc \De\18 Jun 2001
SC 13D/AAdministaff Inc \De\9 Aug 1999
SC 13D/AAdministaff Inc \De\12 Jul 1999
SC 13DAdministaff Inc \De\6 May 1999
SC 13G/AAdministaff Inc \De\26 Mar 1999
SC 13GAdministaff Inc \De\5 Feb 1999

COLUMBIA WANGER ASSET MANAGEMENT LLC(8)

SC 13G/AInsperity, Inc.10 Feb 2015
SC 13G/AInsperity, Inc.6 Feb 2014
SC 13GInsperity, Inc.14 Feb 2013
SC 13G/AAdministaff Inc \De\10 Feb 2011
SC 13G/AAdministaff Inc \De\9 Feb 2010
SC 13G/AAdministaff Inc \De\5 Feb 2009
SC 13G/AAdministaff Inc \De\7 Nov 2007
SC 13GAdministaff Inc \De\11 Jan 2007

Mawer Investment Management Ltd.(8)

SC 13G/AInsperity, Inc.11 Feb
SC 13G/AInsperity, Inc.4 Sep 2025
SC 13G/AInsperity, Inc.8 Nov 2024
SC 13G/AInsperity, Inc.5 Feb 2024
SC 13G/AInsperity, Inc.13 Feb 2023
SC 13G/AInsperity, Inc.10 Feb 2022
SC 13G/AInsperity, Inc.10 Jun 2021
SC 13GInsperity, Inc.5 Feb 2021

AMERICAN EXPRESS CO(5)

SC 13D/AAdministaff Inc \De\31 Jul 1998
SC 13D/AAdministaff Inc \De\14 Jul 1998
SC 13D/AAdministaff Inc \De\25 Jun 1998
SC 13D/AAdministaff Inc \De\19 Mar 1998
SC 13DAdministaff Inc \De\6 Feb 1998

TCW GROUP INC(5)

SC 13G/AAdministaff Inc \De\14 Feb 2000
SC 13G/AAdministaff Inc \De\8 Feb 1999
SC 13G/AAdministaff Inc \De\8 Feb 1999
SC 13G/AAdministaff Inc \De\10 Jun 1998
SC 13GAdministaff Inc \De\12 Feb 1998

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC(5)

SC 13D/AAdministaff Inc \De\28 Feb 2003
SC 13D/AAdministaff Inc \De\9 Apr 2002
SC 13D/AAdministaff Inc \De\2 Apr 2001
SC 13D/AAdministaff Inc \De\19 Mar 2001
SC 13D/AAdministaff Inc \De\22 Feb 2001

JUVONEN RONALD(5)

SC 13G/AAdministaff Inc \De\12 Dec 2003
SC 13G/AAdministaff Inc \De\7 Nov 2003
SC 13G/AAdministaff Inc \De\14 Feb 2003
SC 13G/AAdministaff Inc \De\26 Jul 2002
SC 13GAdministaff Inc \De\31 Jan 2002

Invesco Ltd.(4)

SC 13G/AInsperity, Inc.13 Aug
SC 13GInsperity, Inc.6 May
SC 13G/AAdministaff Inc \De\12 Feb 2009
SC 13GAdministaff Inc \De\11 Feb 2008

MCINTOSH GERALD M(4)

SC 13G/AAdministaff Inc \De\12 Feb 2001
SC 13G/AAdministaff Inc \De\11 Feb 2000
SC 13G/AAdministaff Inc \De\9 Feb 1999
SC 13GAdministaff Inc \De\13 Feb 1998

MCINTOSH CHARITABLE REMAINDER UNITRUST(4)

SC 13G/AAdministaff Inc \De\12 Feb 2001
SC 13G/AAdministaff Inc \De\11 Feb 2000
SC 13G/AAdministaff Inc \De\9 Feb 1999
SC 13GAdministaff Inc \De\13 Feb 1998

BANKERS TRUST CORP(3)

SC 13G/AAdministaff Inc \De\16 Feb 1999
SC 13G/AAdministaff Inc \De\17 Feb 1998
SC 13GAdministaff Inc \De\14 Feb 1997

PRICE T ROWE ASSOCIATES INC /MD/(3)

SC 13G/AAdministaff Inc \De\12 Feb 2010
SC 13G/AAdministaff Inc \De\11 Feb 2009
SC 13GAdministaff Inc \De\13 Feb 2008

AXA FINANCIAL INC(3)

SC 13G/AAdministaff Inc \De\14 Feb 2008
SC 13G/AAdministaff Inc \De\13 Feb 2007
SC 13GAdministaff Inc \De\14 Feb 2006

PRUDENTIAL FINANCIAL INC(3)

SC 13G/AAdministaff Inc \De\3 Feb 2010
SC 13G/AAdministaff Inc \De\6 Feb 2009
SC 13GAdministaff Inc \De\6 Feb 2008

Vulcan Value Partners, LLC(3)

SC 13G/AInsperity, Inc.16 Feb 2016
SC 13G/AInsperity, Inc.17 Feb 2015
SC 13GInsperity, Inc.10 Feb 2014

CAPITAL RESEARCH & MANAGEMENT CO(2)

SC 13GAdministaff Inc \De\11 Feb 1999
SC 13GAdministaff Inc \De\9 Jul 1998

FRANKLIN RESOURCES INC(2)

SC 13G/AInsperity, Inc.9 Feb 2012
SC 13GAdministaff Inc \De\2 Feb 2011

JENNISON ASSOCIATES LLC(2)

SC 13G/AAdministaff Inc \De\12 Feb 2010
SC 13GAdministaff Inc \De\13 Feb 2009

FMR LLC(2)

SC 13G/AInsperity, Inc.9 Feb 2022
SC 13GInsperity, Inc.8 Feb 2021

DIMENSIONAL FUND ADVISORS INC(2)

SC 13G/AAdministaff Inc \De\6 Feb 2004
SC 13GAdministaff Inc \De\10 Feb 2003

CAPITAL GROUP COMPANIES INC ET AL(2)

SC 13GAdministaff Inc \De\9 Jul 1998
SC 13GAdministaff Inc \De\11 Feb 1998

BLAIR WILLIAM & CO/IL(2)

SC 13G/AAdministaff Inc \De\13 Feb 2003
SC 13GAdministaff Inc \De\15 Feb 2002

BARCLAYS GLOBAL INVESTORS NA /CA/(2)

SC 13GAdministaff Inc \De\5 Feb 2009
SC 13GAdministaff Inc \De\14 Feb 2005

PARNASSUS INVESTMENTS /CA(2)

SC 13G/AInsperity, Inc.14 Feb 2014
SC 13GInsperity, Inc.8 Feb 2013

REINHART PARTNERS, LLC.(2)

SC 13G/AInsperity, Inc.12 Feb
SC 13GInsperity, Inc.4 Nov 2025

MANDEL STEPHEN F JR(2)

SC 13G/AAdministaff Inc \De\14 Feb 2002
SC 13GAdministaff Inc \De\25 Oct 2001

GOLDMAN SACHS ASSET MANAGEMENT LP(2)

SC 13G/AAdministaff Inc \De\25 Jan 2007
SC 13GAdministaff Inc \De\1 Feb 2006

BlackRock, Inc.(2)

SC 13G/AInsperity, Inc.21 Jan
SC 13G/AInsperity, Inc.23 Apr 2025

BARCLAYS PLC(1)

SC 13GAdministaff Inc \De\9 Feb 2006

AMERICAN EXPRESS FINANCIAL ADVISORS(1)

SC 13GAdministaff Inc \De\11 Feb 2000

RUSSELL DAVID W(1)

SC 13GAdministaff Inc \De\13 Feb 1998

PYRAMID VENTURES INC(1)

SC 13GAdministaff Inc \De\17 Feb 1998

HAMMOND JAMES W(1)

SC 13GAdministaff Inc \De\27 Feb 1998

MANAGED ACCOUNT ADVISORS LLC(1)

SC 13GInsperity, Inc.12 Aug

VANGUARD PORTFOLIO MANAGEMENT LLC(1)

SC 13GInsperity, Inc.29 Apr

Insperity, Inc.(NSP US)

Insperity, Inc.(NSP US)

Insperity, Inc.(NSP US)

Insperity, Inc.(NSP US)

SEC Filings by Owner

SEC Filings by Owner

Insider Ownership

SARVADI PAUL J(273)

RAWSON RICHARD G(209)

ARIZPE ARTHUR A(176)

MINCKS JAY E(173)

LATTANZIO PAUL S(147)

FIELDS JACK M JR(128)

SHARP DOUGLAS S(125)

Herink Daniel D(109)

JONES ELI(63)

YOUNG AUSTIN P(49)

BROWN MICHAEL W(49)

PETSCH GREGORY E(46)

ALLISON JAMES D(39)

KAUFMAN CAROL R(25)

Feld Peter A(24)

SPURGIN JOHN H II(20)

MORPHY JOHN M(19)

MASTERSON ELLEN H(16)

CLIFFORD TIM(15)

Mehl Randall(15)

Lumelleau John L(10)

Ramchand Latha(10)

WEST HIGHLAND CAPITAL INC/LHG/WHP/PB/BP(9)

Michelle McKenna(9)

SORENSEN NORMAN R(7)

Duffy Sean Patrick(6)

Callens Christian P(5)

WILMINGTON PHILIP W(4)

JUVONEN RONALD(2)

LARSON SAMUEL G(2)

TRAUB KENNETH H(1)

MITCHELL MARK R(1)

Smith Jeffrey C(1)

STARBOARD VALUE & OPPORTUNITY MASTER FUND LTD(1)

Starboard Value LP(1)

Starboard Value GP LLC(1)

Starboard Principal Co LP(1)

Starboard Principal Co GP LLC(1)

STARBOARD VALUE & OPPORTUNITY S LLC(1)

Starboard Value & Opportunity C LP(1)

Starboard Value R LP(1)

Starboard Value R GP LLC(1)

≥5% Ownership

SARVADI PAUL J(23)

BlackRock Inc.(18)

VANGUARD GROUP INC(16)

STADIUM CAPITAL MANAGEMENT LLC(16)

RAWSON RICHARD G(11)

EARNEST PARTNERS LLC(11)

Starboard Value LP(10)

WEST HIGHLAND CAPITAL INC/LHG/WHP/PB/BP(9)

COLUMBIA WANGER ASSET MANAGEMENT LLC(8)

Mawer Investment Management Ltd.(8)

AMERICAN EXPRESS CO(5)

TCW GROUP INC(5)

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC(5)

JUVONEN RONALD(5)

Invesco Ltd.(4)

MCINTOSH GERALD M(4)

MCINTOSH CHARITABLE REMAINDER UNITRUST(4)

BANKERS TRUST CORP(3)

PRICE T ROWE ASSOCIATES INC /MD/(3)

AXA FINANCIAL INC(3)

PRUDENTIAL FINANCIAL INC(3)

Vulcan Value Partners, LLC(3)

CAPITAL RESEARCH & MANAGEMENT CO(2)

FRANKLIN RESOURCES INC(2)

JENNISON ASSOCIATES LLC(2)

FMR LLC(2)

DIMENSIONAL FUND ADVISORS INC(2)

CAPITAL GROUP COMPANIES INC ET AL(2)

BLAIR WILLIAM & CO/IL(2)

BARCLAYS GLOBAL INVESTORS NA /CA/(2)