SSD insider buying and SEC filings, explained
Simpson Manufacturing Co., Inc. · CIK 920371
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$1.3M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 10, 2026 | Sale | Michael Olosky (CEO and Director) sold 3,502 shares at about $172.84 ($605K). Holdings down 6% to 51,398 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 11, 2026 |
| Aug 4, 2026 | Sale | James S. Andrasick (Director) sold 800 shares at $195.62 ($156K). Holdings down 93% to 61 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 5, 2026 |
| Dec 12, 2025 | Sale | Philip E Donaldson (Director) sold 2,375 shares at $168.16 ($399K). Holdings down 28% to 6,086 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 15, 2025 |
| Nov 11, 2025 | Sale | James S. Andrasick (Director) sold 600 shares at $170.00 ($102K). Holdings down 77% to 183 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 12, 2025 |
23 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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