Michael Olosky - 10 Sep 2026 Form 4 Insider Report for Simpson Manufacturing Co., Inc. (SSD)

Reporting relationship: President and CEO, Director
Issuer ticker: SSD
Reported as of: 10 Sep 2026
Net transaction value: -$605,286
SEC form: 4
Accepted by SEC: 11 Sep 2026, 16:44:31 UTC
Prior SEC filing: 18 Feb 2026
Source filing: View source filing
Reporting owner signature: Cari Fisher, Attorney-in-Fact

Key filing fact

Michael Olosky filed Form 4 for Simpson Manufacturing Co., Inc. (SSD) on 11 Sep 2026.

Key facts

This page summarizes Michael Olosky's Form 4 filing for Simpson Manufacturing Co., Inc. (SSD).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 11 Sep 2026, 16:44.

Change

Previous filing in this sequence was filed on 18 Feb 2026.
Current net transaction value: -$605,286.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001833593 Primary reporting owner

Olosky Michael

Relationship: President and CEO, Director
Address: 5956 W. LAS POSITAS BLVD, PLEASANTON
Signature: Cari Fisher, Attorney-in-Fact
Signature date: 11 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SSD transaction

Common Stock

Sale

Transaction value: $605,286
Shares: -3,502
Change %: -6.4%
Price: $172.84
Shares after: 51,398
Date: 10 Sep 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $172.83 to $172.91, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Footnote F2

Includes Restricted Stock Units that have not yet vested and shares of common stock deferred under the Simpson Manufacturing Co., Inc. Nonqualified Plan (the "Plan") which will settle pursuant to the applicable terms of the reporting person's deferral election. Also includes an additional 4 shares not previously reported due to an administrative error.