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Simpson Manufacturing Co., Inc.
(SSD US)
$190.74
-0.92
0.48%
Ext:
$166.44
-24.30
12.74%
(Market Closed · 00:00:02 UTC)
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Insider Ownership
SIMPSON BARCLAY
(56)
Expand
4
PRIMARY DOCUMENT
27 Mar 2014
4
PRIMARY DOCUMENT
3 Feb 2014
4
PRIMARY DOCUMENT
6 Dec 2013
4
PRIMARY DOCUMENT
21 May 2013
4
PRIMARY DOCUMENT
17 May 2013
4
PRIMARY DOCUMENT
14 May 2013
4
PRIMARY DOCUMENT
14 May 2013
4
PRIMARY DOCUMENT
15 Nov 2012
4/A
PRIMARY DOCUMENT
5 Apr 2012
4
PRIMARY DOCUMENT
15 Feb 2012
SIMPSON SHARON H
(54)
Expand
4/A
Statement of changes in beneficial ownership (amendment)
4 May 2018
4
Statement of changes in beneficial ownership
11 Apr 2018
4
Statement of changes in beneficial ownership
6 Apr 2018
4
Statement of changes in beneficial ownership
2 Apr 2018
4
Statement of changes in beneficial ownership
28 Mar 2018
4
Statement of changes in beneficial ownership
6 Apr 2018
4
Statement of changes in beneficial ownership
26 Mar 2018
4
Statement of changes in beneficial ownership
23 Feb 2018
4
Statement of changes in beneficial ownership
20 Feb 2018
4
Statement of changes in beneficial ownership
2 Feb 2018
SIMPSON PSB FUND
(50)
Expand
4
Statement of changes in beneficial ownership
18 Apr 2018
4
Statement of changes in beneficial ownership
11 Apr 2018
4
Statement of changes in beneficial ownership
6 Apr 2018
4
Statement of changes in beneficial ownership
31 Oct 2017
4
Statement of changes in beneficial ownership
26 Oct 2017
4
Statement of changes in beneficial ownership
23 Oct 2017
4
Statement of changes in beneficial ownership
18 Oct 2017
4
Statement of changes in beneficial ownership
13 Oct 2017
4
Statement of changes in beneficial ownership
10 Oct 2017
4
Statement of changes in beneficial ownership
5 Oct 2017
Dankel Roger
(49)
Expand
4
Statement of changes in beneficial ownership
12 Dec 2024
4
Statement of changes in beneficial ownership
5 Dec 2024
4
Statement of changes in beneficial ownership
5 Aug 2024
4
Statement of changes in beneficial ownership
15 May 2024
4
Statement of changes in beneficial ownership
22 Mar 2024
4
Statement of changes in beneficial ownership
21 Feb 2024
4
Statement of changes in beneficial ownership
20 Feb 2024
4
Statement of changes in beneficial ownership
24 Jan 2024
4
Statement of changes in beneficial ownership
22 Jan 2024
4
Statement of changes in beneficial ownership
21 Dec 2023
FITZMYERS THOMAS J
(42)
Expand
4
Statement of changes in beneficial ownership
15 Dec 2016
4
Statement of changes in beneficial ownership
8 Dec 2016
4
Statement of changes in beneficial ownership
14 Sep 2015
4
PRIMARY DOCUMENT
4 Feb 2014
4
PRIMARY DOCUMENT
7 Feb 2013
4
PRIMARY DOCUMENT
14 Dec 2012
4/A
PRIMARY DOCUMENT
15 Mar 2012
4
PRIMARY DOCUMENT
31 Jan 2012
4
PRIMARY DOCUMENT
4 Feb 2011
4
PRIMARY DOCUMENT
15 Nov 2010
Magstadt Brian J
(38)
Expand
4
Statement of changes in beneficial ownership
20 Feb 2024
4
Statement of changes in beneficial ownership
22 Jan 2024
4
Statement of changes in beneficial ownership
17 Feb 2023
4
Statement of changes in beneficial ownership
26 Jan 2023
4
Statement of changes in beneficial ownership
17 Jan 2023
4
Statement of changes in beneficial ownership
12 Aug 2022
4
Statement of changes in beneficial ownership
12 Jul 2022
4
Statement of changes in beneficial ownership
14 Jun 2022
4
Statement of changes in beneficial ownership
17 Feb 2022
4
Statement of changes in beneficial ownership
24 Jan 2022
ANDRASICK JAMES S
(37)
Expand
4
Statement of changes in beneficial ownership
5 Aug
4
Statement of changes in beneficial ownership
8 May
4
Statement of changes in beneficial ownership
12 Nov 2025
4
Statement of changes in beneficial ownership
15 May 2025
4
Statement of changes in beneficial ownership
8 May 2025
4
Statement of changes in beneficial ownership
29 Aug 2024
4
Statement of changes in beneficial ownership
2 May 2024
4
Statement of changes in beneficial ownership
7 Mar 2024
4
Statement of changes in beneficial ownership
8 Aug 2023
4
Statement of changes in beneficial ownership
27 Apr 2023
Colonias Karen Winifred
(36)
Expand
4
Statement of changes in beneficial ownership
27 Apr 2023
4
Statement of changes in beneficial ownership
24 Apr 2023
4
Statement of changes in beneficial ownership
17 Feb 2023
4
Statement of changes in beneficial ownership
20 Dec 2022
4
Statement of changes in beneficial ownership
8 Jun 2022
4
Statement of changes in beneficial ownership
17 Feb 2022
4
Statement of changes in beneficial ownership
24 Jan 2022
4
Statement of changes in beneficial ownership
10 Nov 2021
4
Statement of changes in beneficial ownership
7 Apr 2021
4
Statement of changes in beneficial ownership
11 Mar 2021
CHATMAN JENNIFER
(21)
Expand
4
Statement of changes in beneficial ownership
13 Feb 2024
4
Statement of changes in beneficial ownership
27 Apr 2023
4
Statement of changes in beneficial ownership
6 May 2022
4
Statement of changes in beneficial ownership
4 May 2021
4
Statement of changes in beneficial ownership
28 Aug 2020
4
Statement of changes in beneficial ownership
27 Apr 2020
4
Statement of changes in beneficial ownership
11 Feb 2020
4
Statement of changes in beneficial ownership
30 Apr 2019
4
Statement of changes in beneficial ownership
26 Apr 2018
4
Statement of changes in beneficial ownership
6 Nov 2017
LOURAS PETER N
(20)
Expand
4
Statement of changes in beneficial ownership
26 Apr 2018
4
Statement of changes in beneficial ownership
16 May 2017
4
Statement of changes in beneficial ownership
8 Dec 2016
4
Statement of changes in beneficial ownership
21 Apr 2016
4
Statement of changes in beneficial ownership
6 May 2015
4
Statement of changes in beneficial ownership
3 Feb 2015
4
PRIMARY DOCUMENT
4 Feb 2014
4
PRIMARY DOCUMENT
7 Feb 2013
4
PRIMARY DOCUMENT
31 Jan 2012
4
PRIMARY DOCUMENT
16 Feb 2011
MACGILLIVRAY GREENWAY ROBIN
(20)
Expand
4
Statement of changes in beneficial ownership
27 Apr 2023
4
Statement of changes in beneficial ownership
6 May 2022
4
Statement of changes in beneficial ownership
4 May 2021
4
Statement of changes in beneficial ownership
20 Aug 2020
4
Statement of changes in beneficial ownership
27 Apr 2020
4
Statement of changes in beneficial ownership
4 Jun 2019
4
Statement of changes in beneficial ownership
30 Apr 2019
4
Statement of changes in beneficial ownership
26 Apr 2018
4
Statement of changes in beneficial ownership
12 Sep 2017
4
Statement of changes in beneficial ownership
16 May 2017
CUSUMANO GARY M
(19)
Expand
4
Statement of changes in beneficial ownership
2 May 2024
4
Statement of changes in beneficial ownership
1 Aug 2023
4
Statement of changes in beneficial ownership
27 Apr 2023
4
Statement of changes in beneficial ownership
6 May 2022
4
Statement of changes in beneficial ownership
4 May 2021
4
Statement of changes in beneficial ownership
2 Mar 2021
4
Statement of changes in beneficial ownership
27 Apr 2020
4
Statement of changes in beneficial ownership
30 Apr 2019
4
Statement of changes in beneficial ownership
26 Apr 2018
4
Statement of changes in beneficial ownership
16 May 2017
LAMSON STEPHEN B
(19)
Expand
4
PRIMARY DOCUMENT
4 Dec 2006
4
PRIMARY DOCUMENT
15 Sep 2006
4
PRIMARY DOCUMENT
30 Jan 2006
4
PRIMARY DOCUMENT
31 Mar 2005
4
PRIMARY DOCUMENT
8 Nov 2004
4
PRIMARY DOCUMENT
4 Jun 2004
4
PRIMARY DOCUMENT
22 Mar 2004
4
PRIMARY DOCUMENT
6 Jun 2003
4
PRIMARY DOCUMENT
30 May 2003
4
Statement of changes in beneficial ownership
5 Mar 2001
CHEIT EARL F
(18)
Expand
4
PRIMARY DOCUMENT
4 Feb 2014
4
PRIMARY DOCUMENT
7 Feb 2013
4
PRIMARY DOCUMENT
31 Jan 2012
4
PRIMARY DOCUMENT
16 Feb 2011
4
PRIMARY DOCUMENT
9 Feb 2011
4
PRIMARY DOCUMENT
7 Dec 2009
4
PRIMARY DOCUMENT
5 Dec 2006
4
PRIMARY DOCUMENT
17 Feb 2006
4
PRIMARY DOCUMENT
29 Mar 2005
4
PRIMARY DOCUMENT
1 Nov 2004
FORD CELESTE VOLZ
(18)
Expand
4
Statement of changes in beneficial ownership
8 May
4
Statement of changes in beneficial ownership
8 May 2025
4
Statement of changes in beneficial ownership
2 May 2024
5
Annual statement of beneficial ownership
8 Feb 2024
4
Statement of changes in beneficial ownership
21 Nov 2023
4
Statement of changes in beneficial ownership
27 Apr 2023
4
Statement of changes in beneficial ownership
6 May 2022
4
Statement of changes in beneficial ownership
4 May 2021
4
Statement of changes in beneficial ownership
27 Apr 2020
4
Statement of changes in beneficial ownership
30 Apr 2019
Mackenzie Jeffrey Eric
(18)
Expand
4
Statement of changes in beneficial ownership
17 Apr 2017
4
Statement of changes in beneficial ownership
7 Feb 2017
4
Statement of changes in beneficial ownership
10 Nov 2016
4
Statement of changes in beneficial ownership
2 Feb 2016
4
Statement of changes in beneficial ownership
20 Aug 2015
4
Statement of changes in beneficial ownership
18 Feb 2015
4
Statement of changes in beneficial ownership
3 Feb 2015
4
PRIMARY DOCUMENT
4 Feb 2014
4
PRIMARY DOCUMENT
30 Oct 2013
4
PRIMARY DOCUMENT
7 Feb 2013
WILLIAMS BARRY LAWSON
(17)
Expand
4
PRIMARY DOCUMENT
12 Feb 2014
4
PRIMARY DOCUMENT
4 Feb 2014
4
PRIMARY DOCUMENT
7 Feb 2013
4
PRIMARY DOCUMENT
31 Jan 2012
4
PRIMARY DOCUMENT
16 Feb 2011
4
PRIMARY DOCUMENT
9 Feb 2011
4
PRIMARY DOCUMENT
23 Nov 2009
4
PRIMARY DOCUMENT
13 Nov 2006
4
PRIMARY DOCUMENT
16 Feb 2006
4
PRIMARY DOCUMENT
29 Mar 2005
Olosky Michael
(16)
Expand
4
Statement of changes in beneficial ownership
11 Sep
4
Statement of changes in beneficial ownership
18 Feb
4
Statement of changes in beneficial ownership
29 Jan
4
Statement of changes in beneficial ownership
19 Feb 2025
4
Statement of changes in beneficial ownership
3 Feb 2025
4
Statement of changes in beneficial ownership
27 Aug 2024
4
Statement of changes in beneficial ownership
20 Feb 2024
4
Statement of changes in beneficial ownership
22 Jan 2024
4
Statement of changes in beneficial ownership
17 Feb 2023
4
Statement of changes in beneficial ownership
26 Jan 2023
HERBERT MICHAEL J
(15)
Expand
4
PRIMARY DOCUMENT
7 Feb 2013
4
PRIMARY DOCUMENT
12 Dec 2012
4
PRIMARY DOCUMENT
31 Jan 2012
4/A
PRIMARY DOCUMENT
16 Mar 2012
4
PRIMARY DOCUMENT
13 May 2011
4
PRIMARY DOCUMENT
4 Feb 2011
4
PRIMARY DOCUMENT
1 Dec 2010
4
PRIMARY DOCUMENT
8 Nov 2010
4
PRIMARY DOCUMENT
2 Dec 2008
4
PRIMARY DOCUMENT
1 Dec 2008
Swartzendruber Kevin Lee
(14)
Expand
4
Statement of changes in beneficial ownership
20 Feb 2024
4
Statement of changes in beneficial ownership
12 Jun 2023
4
Statement of changes in beneficial ownership
17 Feb 2023
4
Statement of changes in beneficial ownership
26 Jan 2023
4
Statement of changes in beneficial ownership
17 Feb 2022
4
Statement of changes in beneficial ownership
24 Jan 2022
4
Statement of changes in beneficial ownership
18 Feb 2021
4
Statement of changes in beneficial ownership
26 Jan 2021
4
Statement of changes in beneficial ownership
19 Feb 2020
4
Statement of changes in beneficial ownership
18 Feb 2020
TOWNSEND DONALD M
(13)
Expand
4
PRIMARY DOCUMENT
11 Sep 2003
4
Statement of changes in beneficial ownership
8 May 2002
4
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
2 Nov 2001
4
Statement of changes in beneficial ownership
9 Jul 2001
4
Statement of changes in beneficial ownership
5 Mar 2001
4
Statement of changes in beneficial ownership
7 Sep 2000
4
Statement of changes in beneficial ownership
1 Jun 2000
4
Statement of changes in beneficial ownership
6 Oct 1999
4
Statement of changes in beneficial ownership
9 Sep 1999
4
Statement of changes in beneficial ownership
9 Aug 1999
EBERHARD STEPHEN P
(13)
Expand
4
PRIMARY DOCUMENT
6 Aug 2009
4
PRIMARY DOCUMENT
8 Sep 2008
4
PRIMARY DOCUMENT
5 Sep 2008
4
PRIMARY DOCUMENT
26 Aug 2008
4
PRIMARY DOCUMENT
18 Jun 2007
4
PRIMARY DOCUMENT
14 Jun 2007
4
PRIMARY DOCUMENT
1 Mar 2006
4
PRIMARY DOCUMENT
31 Mar 2005
4
PRIMARY DOCUMENT
18 Nov 2005
4
PRIMARY DOCUMENT
1 Nov 2004
Kingsfather Phillip Terry
(13)
Expand
4
PRIMARY DOCUMENT
14 Feb 2014
4
PRIMARY DOCUMENT
4 Feb 2014
4
PRIMARY DOCUMENT
30 Oct 2013
4
PRIMARY DOCUMENT
30 Jul 2013
4
PRIMARY DOCUMENT
11 Feb 2013
4
PRIMARY DOCUMENT
4 Dec 2012
4/A
PRIMARY DOCUMENT
15 Mar 2012
4
PRIMARY DOCUMENT
31 Jan 2012
4
PRIMARY DOCUMENT
4 Feb 2011
4
PRIMARY DOCUMENT
4 Nov 2010
Arevalo Ricardo M
(13)
Expand
4
Statement of changes in beneficial ownership
18 Feb 2020
5
Annual statement of beneficial ownership
14 Feb 2020
4
Statement of changes in beneficial ownership
12 Nov 2019
4
Statement of changes in beneficial ownership
10 Sep 2019
4
Statement of changes in beneficial ownership
20 Feb 2019
4
Statement of changes in beneficial ownership
20 Feb 2018
4
Statement of changes in beneficial ownership
7 Feb 2017
4
Statement of changes in beneficial ownership
15 Sep 2016
4
Statement of changes in beneficial ownership
3 Feb 2016
4
Statement of changes in beneficial ownership
18 Feb 2015
Donaldson Philip E
(13)
Expand
4
Statement of changes in beneficial ownership
8 May
4
Statement of changes in beneficial ownership
15 Dec 2025
4
Statement of changes in beneficial ownership
8 May 2025
4
Statement of changes in beneficial ownership
2 May 2024
4
Statement of changes in beneficial ownership
1 Aug 2023
4
Statement of changes in beneficial ownership
27 Apr 2023
4
Statement of changes in beneficial ownership
6 May 2022
4
Statement of changes in beneficial ownership
4 May 2021
4
Statement of changes in beneficial ownership
27 Apr 2020
5
Annual statement of beneficial ownership
14 Feb 2020
Andersen Michael
(13)
Expand
4
Statement of changes in beneficial ownership
18 Feb
4
Statement of changes in beneficial ownership
29 Jan
4
Statement of changes in beneficial ownership
26 Aug 2025
4
Statement of changes in beneficial ownership
27 Feb 2025
4
Statement of changes in beneficial ownership
19 Feb 2025
4
Statement of changes in beneficial ownership
3 Feb 2025
4
Statement of changes in beneficial ownership
27 Aug 2024
4
Statement of changes in beneficial ownership
20 Feb 2024
4
Statement of changes in beneficial ownership
22 Jan 2024
4
Statement of changes in beneficial ownership
8 May 2023
Lutz Jennifer
(11)
Expand
4
Statement of changes in beneficial ownership
5 May 2025
4
Statement of changes in beneficial ownership
19 Feb 2025
4
Statement of changes in beneficial ownership
3 Feb 2025
4
Statement of changes in beneficial ownership
5 Dec 2024
4
Statement of changes in beneficial ownership
13 Aug 2024
4
Statement of changes in beneficial ownership
21 May 2024
4
Statement of changes in beneficial ownership
20 Feb 2024
4
Statement of changes in beneficial ownership
22 Jan 2024
4
Statement of changes in beneficial ownership
17 Feb 2023
4
Statement of changes in beneficial ownership
26 Jan 2023
MCPEAK SUNNE WRIGHT
(10)
Expand
4
PRIMARY DOCUMENT
14 Nov 2003
4
PRIMARY DOCUMENT
9 Jun 2003
4
Statement of changes in beneficial ownership
5 Jun 2002
4
Statement of changes in beneficial ownership
7 Mar 2001
4
Statement of changes in beneficial ownership
1 Jun 2000
4
Statement of changes in beneficial ownership
3 Jun 1999
4
Statement of changes in beneficial ownership
9 Jun 1998
4
Statement of changes in beneficial ownership
10 Sep 1997
4
Statement of changes in beneficial ownership
7 Jul 1997
4
Statement of changes in beneficial ownership
6 Feb 1997
Gilstrap Jeremy
(10)
Expand
4
Statement of changes in beneficial ownership
18 Feb
4
Statement of changes in beneficial ownership
29 Jan
4
Statement of changes in beneficial ownership
4 Aug 2025
4
Statement of changes in beneficial ownership
19 Feb 2025
4
Statement of changes in beneficial ownership
3 Feb 2025
4
Statement of changes in beneficial ownership
20 Feb 2024
4
Statement of changes in beneficial ownership
22 Jan 2024
4
Statement of changes in beneficial ownership
17 Feb 2023
4
Statement of changes in beneficial ownership
26 Jan 2023
3
Initial statement of beneficial ownership
5 Jan 2023
Burton Phillip
(10)
Expand
4
Statement of changes in beneficial ownership
18 Feb
4
Statement of changes in beneficial ownership
29 Jan
4
Statement of changes in beneficial ownership
19 Feb 2025
4
Statement of changes in beneficial ownership
3 Feb 2025
4
Statement of changes in beneficial ownership
7 Mar 2024
4
Statement of changes in beneficial ownership
20 Feb 2024
4
Statement of changes in beneficial ownership
22 Jan 2024
4
Statement of changes in beneficial ownership
17 Feb 2023
4
Statement of changes in beneficial ownership
26 Jan 2023
3
Initial statement of beneficial ownership
5 Jan 2023
SIMPSON INVESTMENT CO
(8)
Expand
4
PRIMARY DOCUMENT
18 Mar 2009
3
Initial statement of beneficial ownership
10 Sep 1998
4
Statement of changes in beneficial ownership
9 Oct 1997
4
Statement of changes in beneficial ownership
5 Jun 1997
4
Statement of changes in beneficial ownership
8 Apr 1997
4
Statement of changes in beneficial ownership
6 Jan 1997
4
Statement of changes in beneficial ownership
2 Dec 1996
4
Statement of changes in beneficial ownership
6 Nov 1996
BLESS MICHAEL A
(8)
Expand
4
Statement of changes in beneficial ownership
16 Feb 2021
4
Statement of changes in beneficial ownership
27 Apr 2020
5
Annual statement of beneficial ownership
14 Feb 2020
4
Statement of changes in beneficial ownership
30 Apr 2019
4
Statement of changes in beneficial ownership
26 Apr 2018
4
Statement of changes in beneficial ownership
16 May 2017
3
Initial statement of beneficial ownership
16 May 2017
3/A
Initial statement of beneficial ownership (amendment)
4 Oct 2017
Leung Sunny H
(8)
Expand
4
Statement of changes in beneficial ownership
3 Oct 2017
4
Statement of changes in beneficial ownership
7 Feb 2017
4
Statement of changes in beneficial ownership
17 Nov 2016
4
Statement of changes in beneficial ownership
26 Aug 2016
4
Statement of changes in beneficial ownership
25 May 2016
4
Statement of changes in beneficial ownership
28 Apr 2016
4
Statement of changes in beneficial ownership
2 Feb 2016
3
Initial statement of beneficial ownership
13 Jan 2016
Knight Kenneth D.
(7)
Expand
4
Statement of changes in beneficial ownership
8 May
4
Statement of changes in beneficial ownership
8 May 2025
4
Statement of changes in beneficial ownership
2 May 2024
4
Statement of changes in beneficial ownership
27 Apr 2023
4
Statement of changes in beneficial ownership
6 May 2022
4
Statement of changes in beneficial ownership
23 Jun 2021
3
Initial statement of beneficial ownership
23 Jun 2021
Payton Cassandra
(7)
Expand
4
Statement of changes in beneficial ownership
18 Feb
4
Statement of changes in beneficial ownership
29 Jan
4
Statement of changes in beneficial ownership
19 Feb 2025
4
Statement of changes in beneficial ownership
3 Feb 2025
4
Statement of changes in beneficial ownership
20 Feb 2024
4
Statement of changes in beneficial ownership
22 Jan 2024
3
Initial statement of beneficial ownership
11 Dec 2023
Mehta Udit
(6)
Expand
4
Statement of changes in beneficial ownership
18 Feb
4
Statement of changes in beneficial ownership
29 Jan
4
Statement of changes in beneficial ownership
19 Feb 2025
4
Statement of changes in beneficial ownership
3 Feb 2025
3
Initial statement of beneficial ownership
14 May 2024
4
Statement of changes in beneficial ownership
14 May 2024
Dunn Matt
(6)
Expand
4
Statement of changes in beneficial ownership
18 Feb
4
Statement of changes in beneficial ownership
29 Jan
4
Statement of changes in beneficial ownership
19 Feb 2025
4
Statement of changes in beneficial ownership
3 Feb 2025
4
Statement of changes in beneficial ownership
5 Jun 2024
3
Initial statement of beneficial ownership
5 Jun 2024
Banks Chau
(5)
Expand
4
Statement of changes in beneficial ownership
8 May
4
Statement of changes in beneficial ownership
8 May 2025
4
Statement of changes in beneficial ownership
2 May 2024
4
Statement of changes in beneficial ownership
5 Jun 2023
3
Initial statement of beneficial ownership
5 Jun 2023
Coney Felica
(5)
Expand
4
Statement of changes in beneficial ownership
8 May
4
Statement of changes in beneficial ownership
8 May 2025
4
Statement of changes in beneficial ownership
2 May 2024
4
Statement of changes in beneficial ownership
5 Jun 2023
3
Initial statement of beneficial ownership
5 Jun 2023
Hammons Terry
(4)
Expand
4
Statement of changes in beneficial ownership
18 Feb 2021
4
Statement of changes in beneficial ownership
26 Jan 2021
4
Statement of changes in beneficial ownership
18 Feb 2020
3
Initial statement of beneficial ownership
28 Jan 2020
Drake Angela C
(4)
Expand
4
Statement of changes in beneficial ownership
8 May
4
Statement of changes in beneficial ownership
8 May 2025
4
Statement of changes in beneficial ownership
3 Jan 2025
3
Initial statement of beneficial ownership
3 Jan 2025
MCKAY ALAN
(3)
Expand
4
Statement of changes in beneficial ownership
8 Oct 1998
4
Statement of changes in beneficial ownership
9 Jun 1998
4
Statement of changes in beneficial ownership
7 Jul 1997
Bullock Nozomi
(3)
Expand
4
Statement of changes in beneficial ownership
21 Aug
4
Statement of changes in beneficial ownership
29 Jan
3
Initial statement of beneficial ownership
25 Nov 2025
California College Of The Arts
(2)
Expand
4
PRIMARY DOCUMENT
3 Aug 2006
3
PRIMARY DOCUMENT
20 Jun 2006
≥5% Ownership
ROYCE & ASSOCIATES LLC
(18)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
7 Dec 2015
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
21 Jan 2015
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
14 Jan 2014
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
18 Jan 2013
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
23 Jan 2012
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
3 Feb 2011
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
26 Jan 2010
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
30 Jan 2009
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
31 Jan 2008
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
25 Jan 2007
BlackRock Inc.
(16)
Expand
SC 13G/A
Simpson Manufacturing Co., Inc.
23 Jan 2024
SC 13G/A
Simpson Manufacturing Co., Inc.
23 Jan 2023
SC 13G/A
Simpson Manufacturing Co., Inc.
27 Jan 2022
SC 13G/A
Simpson Manufacturing Co., Inc.
26 Jan 2022
SC 13G/A
Simpson Manufacturing Co., Inc.
27 Jan 2021
SC 13G/A
Simpson Manufacturing Co., Inc.
4 Feb 2020
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
31 Jan 2019
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
19 Jan 2018
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
9 Jan 2017
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
27 Jan 2016
VANGUARD GROUP INC
(15)
Expand
SC 13G/A
Simpson Manufacturing Co., Inc.
27 Mar
SC 13G/A
Simpson Manufacturing Co., Inc.
11 Mar 2024
SC 13G/A
Simpson Manufacturing Co., Inc.
13 Feb 2024
SC 13G/A
Simpson Manufacturing Co., Inc.
9 Feb 2023
SC 13G/A
Simpson Manufacturing Co., Inc.
10 Feb 2022
SC 13G/A
Simpson Manufacturing Co., Inc.
10 Feb 2021
SC 13G/A
Simpson Manufacturing Co., Inc.
10 Jun 2020
SC 13G/A
Simpson Manufacturing Co., Inc.
12 Feb 2020
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
11 Feb 2019
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
12 Feb 2018
NEUBERGER BERMAN INC
(9)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
12 Feb 2009
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
12 Feb 2008
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
13 Feb 2007
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
21 Feb 2006
SC 13G
Simpson Manufacturing Co Inc /Ca/
15 Feb 2006
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
9 Feb 2004
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
13 Feb 2003
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
12 Feb 2002
SC 13G
Simpson Manufacturing Co Inc /Ca/
7 Feb 2001
FMR LLC
(8)
Expand
SC 13G/A
Simpson Manufacturing Co., Inc.
6 Aug
SC 13G/A
Simpson Manufacturing Co., Inc.
6 May
SC 13G
Simpson Manufacturing Co., Inc.
5 Nov 2025
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
10 Oct 2008
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
14 Feb 2008
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
14 Feb 2007
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
13 Sep 2006
SC 13G
Simpson Manufacturing Co Inc /Ca/
11 Sep 2006
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
(8)
Expand
SC 13G/A
Simpson Manufacturing Co., Inc.
13 Aug
SC 13G/A
Simpson Manufacturing Co., Inc.
13 Feb
SC 13G/A
Simpson Manufacturing Co., Inc.
13 Feb 2024
SC 13G/A
Simpson Manufacturing Co., Inc.
14 Feb 2023
SC 13G/A
Simpson Manufacturing Co., Inc.
9 Dec 2022
SC 13G/A
Simpson Manufacturing Co., Inc.
14 Feb 2022
SC 13G/A
Simpson Manufacturing Co., Inc.
11 Feb 2021
SC 13G
Simpson Manufacturing Co., Inc.
14 Feb 2020
SCUDDER KEMPER INVESTMENTS INC
(6)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
1 Feb 2002
SC 13G
Simpson Manufacturing Co Inc /Ca/
14 Feb 2001
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
28 Jan 2000
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
11 Feb 1999
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
12 Feb 1998
SC 13G
Simpson Manufacturing Co Inc /Ca/
10 Feb 1997
SIMPSON PSB FUND
(5)
Expand
SC 13D/A
Simpson Manufacturing Co Inc /Ca/
2 Dec 2003
SC 13D/A
Simpson Manufacturing Co Inc /Ca/
27 Mar 2003
SC 13D/A
Simpson Manufacturing Co Inc /Ca/
10 Feb 2003
SC 13D/A
Simpson Manufacturing Co Inc /Ca/
23 Jun 1998
SC 13D
Simpson Manufacturing Co Inc /Ca/
10 Oct 1997
ARIEL INVESTMENTS, LLC
(4)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
14 Feb 2017
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
12 Feb 2016
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
13 Feb 2015
SC 13G
Simpson Manufacturing Co Inc /Ca/
14 Feb 2014
BANK OF AMERICA CORP /DE/
(3)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
8 Jan 2010
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
13 Feb 2009
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
7 Feb 2008
ROYCE & ASSOCIATES INC /ADV
(3)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
9 Feb 2000
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
10 Feb 1999
SC 13G
Simpson Manufacturing Co Inc /Ca/
5 Feb 1998
JANUS CAPITAL MANAGEMENT LLC
(3)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
6 Feb 2018
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
13 Feb 2017
SC 13G
Simpson Manufacturing Co Inc /Ca/
16 Feb 2016
FITZMYERS THOMAS J
(3)
Expand
SC 13D/A
Simpson Manufacturing Co Inc /Ca/
12 May 1999
SC 13D/A
Simpson Manufacturing Co Inc /Ca/
9 Sep 1997
SC 13D/A
Simpson Manufacturing Co Inc /Ca/
23 Aug 1996
SNYDER CAPITAL MANAGEMENT L P
(3)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
9 Feb 2012
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
14 Feb 2011
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
12 Feb 2010
FRANKLIN RESOURCES INC
(2)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
5 Feb 2015
SC 13G
Simpson Manufacturing Co Inc /Ca/
11 Feb 2014
LORD ABBETT & CO LLC
(2)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
14 Feb 2007
SC 13G
Simpson Manufacturing Co Inc /Ca/
14 Feb 2006
COLUMBIA WANGER ASSET MANAGEMENT LP
(2)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
8 Feb 2010
SC 13G
Simpson Manufacturing Co Inc /Ca/
5 Feb 2009
SIMPSON BARCLAY
(2)
Expand
SC 13D/A
Simpson Manufacturing Co Inc /Ca/
24 Oct 2014
SC 13D/A
Simpson Manufacturing Co Inc /Ca/
3 Mar 2011
SIMPSON INVESTMENT CO
(2)
Expand
SC 13D/A
Simpson Manufacturing Co Inc /Ca/
9 Oct 1997
SC 13D/A
Simpson Manufacturing Co Inc /Ca/
9 Dec 1996
Clearbridge Advisors, LLC
(2)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
14 Feb 2008
SC 13G
Simpson Manufacturing Co Inc /Ca/
8 Feb 2007
Bank Of New York Mellon CORP
(2)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
8 Apr 2011
SC 13G
Simpson Manufacturing Co Inc /Ca/
4 Feb 2011
BlackRock, Inc.
(2)
Expand
SC 13G/A
Simpson Manufacturing Co., Inc.
8 Nov 2024
SC 13G/A
Simpson Manufacturing Co., Inc.
21 Oct 2024
SNYDER CAPITAL MANAGEMENT INC
(1)
Expand
SC 13G/A
Simpson Manufacturing Co Inc /Ca/
13 Feb 2009
BARCLAYS GLOBAL INVESTORS NA /CA/
(1)
Expand
SC 13G
Simpson Manufacturing Co Inc /Ca/
5 Feb 2009
UNITED STATES TRUST COMPANY, N.A.
(1)
Expand
SC 13G
Simpson Manufacturing Co Inc /Ca/
14 Feb 2007
Neuberger Berman Group LLC
(1)
Expand
SC 13G
Simpson Manufacturing Co Inc /Ca/
11 Jun 2009
SIMPSON SHARON H
(1)
Expand
SC 13G
Simpson Manufacturing Co Inc /Ca/
12 Jun 2018
VANGUARD CAPITAL MANAGEMENT LLC
(1)
Expand
SC 13G
Simpson Manufacturing Co., Inc.
30 Apr
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