Latest filingSep 11, 2026Most recent Form 4
SSD
Simpson Manufacturing Co., Inc.
NYSEIndustrialsCutlery, Handtools & General Hardware
Insider activity for last month from 08/12 to 09/12. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$60.5M1 sells
Net open-market-$60.5M2 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period2transactions
- I · Code I · dominant1 · 50%
- S · Open-market sells1 · 50%
Activity by reported role
A joint filing can contribute to multiple roles3transactions
- EVP · dominant1 · 33%
- HR1 · 33%
- PRES1 · 33%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (1)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeBullock NozomiCommon Stock · Indirect · By Trust (PSP)
0Aug 18, 2026
Olosky MichaelCommon Stock · Direct
51,398Sep 10, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 12 → Sep 12
LessMore
Top insiders
By absolute net value across the selected period- OM-$605.3k
- BN-$4.1k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
No filing-only signal badges matched this period.
SSD transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| SSD | Olosky Michael | PRES | sale | 3.50k | -$60.5M | S | — | 0.0% | 09/11 | 09/10 |
| SSD | Bullock Nozomi | EVPHR | unknown | 22 | -$414k | I | — | −3.5% | 08/21 | 08/18 |
Simpson Manufacturing Co., Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Simpson Manufacturing Co., Inc.?
Olosky Michael, Bullock Nozomi.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Olosky Michael reported a sale on Sep 10, 2026 valued at $60.5M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $605,285.68. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.