Simpson Manufacturing Company Inc.

Last updated September 27, 2026

Organization details

Legal name
Simpson Manufacturing Company Inc.
Ownership
Public
Status
Active
Sector (GICS)
Industrials
SIC code
3420 — Cutlery, Handtools & General Hardware
Jurisdiction of incorporation
Delaware
Headquarters city
Pleasanton
Headquarters state / province
California
Headquarters country
United States
Fiscal year end
December
Ticker symbol
SSD
Primary stock exchange
NYSE

Identifiers

SEC CIK
0000920371
EIN
94-3196943

Board of directors

Chief executives

Michael Olosky · President and CEO
Dates unknown

Director election results

Annual meeting of May 6, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

3 of this board's directors also sit on 3 other boards. 2 are in the same sector.

Network of Simpson Manufacturing Company Inc.'s board connections Applied Industrial Technologies Inc. Applied Industrial Tec... Reliance Inc. Reliance Inc. Space Asset Acquisition Corp. Space Asset Acquisitio... Celeste Volz Ford Celeste Volz Ford Karen Winifred Colonias Karen Winifred Colon... Michael Olosky Michael Olosky Simpson Manufacturing Comp...
Shared director Other board Same sector

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.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$1,161,162
3 sales by 3 insiders
Date Insider Transaction Shares Price Value
Sep 10, 2026 Michael Olosky Director, Officer (President and CEO) Open-market sale −3,502 $172.84 $605,286
Aug 18, 2026 Bullock Nozomi Officer (EVP, Human Resources) Discretionary transaction −22 $189.84 $4,140
Aug 4, 2026 James S. Andrasick Director Open-market sale −800 $195.62 $156,496
May 6, 2026 Kenneth D. Knight Director Grant or award +678 — —
May 6, 2026 Celeste Volz Ford Director Grant or award +678 — —
May 6, 2026 Angela C. Drake Director Grant or award +678 — —
May 6, 2026 Philip E. Donaldson Director Grant or award +929 — —
May 6, 2026 Felica Coney Director Grant or award +678 — —
May 6, 2026 Chau Banks Director Grant or award +678 — —
May 6, 2026 James S. Andrasick Director Grant or award +678 — —
Feb 17, 2026 Payton Cassandra Officer (EVP, General Counsel) Grant or award +963 — —
Feb 17, 2026 Mehta Udit Officer (Chief Technology Officer) Shares withheld for tax −386 $209.01 $80,678
Feb 17, 2026 Gilstrap Jeremy Officer (EVP, Innovation) Grant or award +2,449 — —
Feb 17, 2026 Dunn Matt Officer (Chief Financial Officer) Shares withheld for tax −185 $209.01 $38,667
Feb 17, 2026 Burton Phillip Officer (EVP, North America) Grant or award +3,248 — —

Organizations in the same sector, closest in location and size first.

Questions about Simpson Manufacturing Company Inc.

Who is the CEO of Simpson Manufacturing Company Inc.?

Michael Olosky is Simpson Manufacturing Company Inc.'s President and CEO.

How many directors are on Simpson Manufacturing Company Inc.'s board?

Simpson Manufacturing Company Inc.'s board has 12 directors: Angela C. Drake, Celeste Volz Ford, Chau Banks, Felica Coney, Gary M. Cusumano, Greenway Robin Macgillivray, James S. Andrasick, Jennifer Chatman, Karen Winifred Colonias, Kenneth D. Knight and 2 others.

Are Simpson Manufacturing Company Inc. insiders buying or selling shares?

Over the last 12 months, Simpson Manufacturing Company Inc. insiders made no open-market purchases and sold $1.2 million of shares in 3 sales on the open market, as reported to the SEC on Forms 4 and 5.

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