Simpson Manufacturing Co., Inc. (SSD) Insider Ownership

Historic Insider Ownership Trends

As of April 11, 2026, the three largest insider holders of SSD are Michael Olosky (President And Ceo, 54.90K shares), Karen Winifred Colonias (President Ceo, 33.92K shares), Brian J Magstadt (Chief Financial Officer, 31.03K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Michael Olosky President And Ceo 54,896 0 18 Feb, 2026
Karen Winifred Colonias President Ceo 0 33,920 10 Nov, 2021
Brian J Magstadt Chief Financial Officer 31,034 0 20 Feb, 2024
Roger Dankel Evp, Na Sales 22,192 0 12 Dec, 2024
Gary M Cusumano - 18,714 0 02 May, 2024
Jennifer Chatman - 14,638 0 13 Feb, 2024
Karen Winifred Colonias Chief Executive Officer 14,623 0 27 Apr, 2023
Greenway Robin Macgillivray - 14,097 0 27 Apr, 2023
Celeste Volz Ford - 13,434 0 08 May, 2025
Michael Andersen Evp, Europe 12,417 0 18 Feb, 2026
Jeremy Gilstrap Evp, Innovation 10,900 0 18 Feb, 2026
Phillip Burton Evp, North America 9,907 0 18 Feb, 2026
Kevin Lee Swartzendruber Senior Vp Of Finance 7,192 0 20 Feb, 2024
Philip E Donaldson - 6,086 0 15 Dec, 2025
James S Andrasick - 0 5,645 07 Mar, 2024
Gary M Cusumano - 0 5,000 01 Aug, 2023
Udit Mehta Chief Technology Officer 4,990 0 18 Feb, 2026
Cassandra Payton Evp, General Counsel 4,688 0 18 Feb, 2026
Matt Dunn Chief Financial Officer 4,687 0 18 Feb, 2026
Kenneth D. Knight - 4,097 0 08 May, 2025
Jennifer Lutz Evp, Human Resources 4,047 0 05 May, 2025
Chau Banks - 2,341 0 08 May, 2025
Felica Coney - 2,341 0 08 May, 2025
Angela C Drake - 1,013 0 08 May, 2025
Nozomi Bullock Evp, Human Resources 773 0 29 Jan, 2026
James S Andrasick - 183 0 12 Nov, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
17 Feb, 2026 Michael Olosky Common Stock A 17,140 $0.00 56,478 D A
17 Feb, 2026 Michael Andersen Common Stock A 3,624 $0.00 12,417 D A
17 Feb, 2026 Phillip Burton Common Stock A 3,248 $0.00 10,251 D A
17 Feb, 2026 Jeremy Gilstrap Common Stock A 2,449 $0.00 11,318 D A
17 Feb, 2026 Matt Dunn Common Stock D 185 $209.01 4,687 D F
17 Feb, 2026 Udit Mehta Common Stock D 386 $209.01 4,990 D F
17 Feb, 2026 Cassandra Payton Common Stock A 963 $0.00 5,437 D A
17 Feb, 2026 Cassandra Payton Common Stock D 749 $209.01 4,688 D F
17 Feb, 2026 Michael Olosky Common Stock D 1,582 $209.01 54,896 D F
17 Feb, 2026 Phillip Burton Common Stock D 344 $209.01 9,907 D F
17 Feb, 2026 Jeremy Gilstrap Common Stock D 418 $209.01 10,900 D F
27 Jan, 2026 Michael Andersen Common Stock A 983 $0.00 8,793 D A
27 Jan, 2026 Cassandra Payton Common Stock A 1,379 $0.00 4,474 D A
27 Jan, 2026 Udit Mehta Common Stock A 970 $0.00 5,376 D A
27 Jan, 2026 Jeremy Gilstrap Common Stock A 1,075 $0.00 8,869 D A
27 Jan, 2026 Phillip Burton Common Stock A 1,515 $0.00 7,003 D A
27 Jan, 2026 Nozomi Bullock Common Stock A 773 $0.00 773 D A
27 Jan, 2026 Michael Olosky Common Stock A 9,480 $0.00 39,338 D A
27 Jan, 2026 Matt Dunn Common Stock A 2,667 $0.00 4,872 D A
12 Dec, 2025 Philip E Donaldson Common Stock D 2,375 $168.16 6,086 D S