Company Description
Simpson Manufacturing Co., Inc., together with its subsidiaries, designs, engineers, manufactures, and sells structural solutions for wood, concrete, and steel connections in the North America, Europe, and the Asia Pacific.
The company provides structural products for wood construction, such as connectors, fasteners, and lateral-force resisting systems; anchor, repair, protection and strengthening products including coatings, sealers, mortars, fiberglass and fiber-reinforced polymer systems and asphalt products.
In addition, the company offers engineering and design services, as well as software solutions. It markets its products to the residential construction, industrial, commercial and infrastructure construction, remodeling and do-it-yourself markets.
It offers engineering and design services. It serves its products to dealers, home centers, wood component manufacturers, OEM-relationships, distributors, and contractors industries.
The company was founded in 1956 and is headquartered in Pleasanton, California.
| Country | United States |
| Founded | 1956 |
| IPO Date | May 25, 1994 |
| Industry | Lumber & Wood Production |
| Sector | Materials |
| Employees | 5,545 |
| CEO | Michael Olosky |
Contact Details
Address: 5956 West Las Positas Boulevard Pleasanton, California 94588 United States | |
| Phone | 925 560 9000 |
| Website | simpsonmfg.com |
Stock Details
| Ticker Symbol | SSD |
| Exchange | NYSE |
| Stock Type | Common Stock |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0000920371 |
| CUSIP Number | 829073105 |
| ISIN Number | US8290731053 |
| Employer ID | 94-3196943 |
| SIC Code | 3420 |
Key Executives
| Name | Position |
|---|---|
| Michael L. Olosky | Chief Executive Officer, President and Director |
| Matt Dunn | Chief Financial Officer and Treasurer |
| Udit Mehta | Chief Technology Officer |
| Cassandra Payton | Executive Vice President and General Counsel |
| Phillip Burton | Executive Vice President of North America - Simpson Strong-Tie Company Inc |
| Dr. Kei Bullock | Executive Vice President of Human Resources |
| Michael Andersen | Executive Vice President of Europe - Simpson Strong-Tie Switzerland GmbH |
| Jeremy Gilstrap | Executive Vice President of Innovation - Simpson Strong-Tie Company Inc |
| Cari Fisher | Corporate Secretary |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Apr 27, 2026 | 8-K | Current Report |
| Mar 27, 2026 | SCHEDULE 13G/A | Filing |
| Mar 24, 2026 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Mar 24, 2026 | DEF 14A | Other definitive proxy statements |
| Feb 27, 2026 | 10-K | Annual Report |
| Feb 13, 2026 | SCHEDULE 13G/A | Filing |
| Feb 9, 2026 | 8-K | Current Report |
| Dec 22, 2025 | 8-K | Current Report |
| Dec 12, 2025 | 144 | Filing |
| Nov 12, 2025 | 144 | Filing |