Michael Olosky

President and CEO at Simpson Manufacturing Company Inc.

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
4 years
Director since
2023

4 years of board service in total across 1 board, counting each seat separately. Longest: Simpson Manufacturing Company Inc., 3 years.

Simpson Manufacturing Company Inc. Director ยท President and CEO
3 years ยท Since 2023

Chief executive roles

Simpson Manufacturing Company Inc. ยท President and CEO
Dates unknown

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Feb 17, 2026 Simpson Manufacturing Company Inc. Grant or award +17,140 โ€” โ€”
Feb 17, 2026 Simpson Manufacturing Company Inc. Shares withheld for tax โˆ’1,582 $209.01 $330,654
Jan 27, 2026 Simpson Manufacturing Company Inc. Grant or award +9,480 โ€” โ€”
Feb 18, 2025 Simpson Manufacturing Company Inc. Grant or award +3,308 โ€” โ€”
Feb 18, 2025 Simpson Manufacturing Company Inc. Shares withheld for tax โˆ’839 $174.28 $146,221
Jan 31, 2025 Simpson Manufacturing Company Inc. Grant or award +7,855 โ€” โ€”
Aug 26, 2024 Simpson Manufacturing Company Inc. Open-market sale โˆ’5,962 $187.46 $1,117,637
Aug 26, 2024 Simpson Manufacturing Company Inc. Open-market sale โˆ’909 $187.12 $170,178
Feb 15, 2024 Simpson Manufacturing Company Inc. Grant or award +8,311 โ€” โ€”
Feb 15, 2024 Simpson Manufacturing Company Inc. Shares withheld for tax โˆ’4,301 $190.77 $820,502
Jan 18, 2024 Simpson Manufacturing Company Inc. Grant or award +7,476 โ€” โ€”
Feb 15, 2023 Simpson Manufacturing Company Inc. Shares withheld for tax โˆ’635 $111.87 $71,037
Jan 24, 2023 Simpson Manufacturing Company Inc. Grant or award +9,453 โ€” โ€”

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