Willett Robert — SEC Form 4 filings
SEC reporting owner CIK 1438093. 13 Form 4 filings on record with FilingPulse; latest filed 2026-08-07.
Transaction summary — filings shown
Covers all 13 filings on record, filed 2024-02-20 to 2026-08-07. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 4 legs across 3 filings — 185,904 shares, $10,796,897 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 24.
- Largest priced transaction: sale of 173,296 shares @ $58.39 ($10,117,904) in COGNEX CORP, filed 2026-02-13.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| COGNEX CORP (CGNX) | Director | 8 | — | 4 legs · 185,904 sh · $10,796,897 | 19 |
| CLEAN HARBORS INC (CLH) | Director | 3 | — | — | 3 |
| ALLEGRO MICROSYSTEMS, INC. (ALGM) | Director | 2 | — | — | 2 |
Form 4 filings — Willett Robert
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-07 | 4 | ALLEGRO MICROSYSTEMS, INC. (ALGM) | Grant/award (A): 4,251 (derivative) @ $0 | EDGAR |
| 2026-05-22 | 4 | CLEAN HARBORS INC (CLH) | Grant/award (A): 652 @ $0 | EDGAR |
| 2026-05-15 | 4 | ALLEGRO MICROSYSTEMS, INC. (ALGM) | Grant/award (A): 1,094 @ $0 | EDGAR |
| 2026-02-19 | 4 | COGNEX CORP (CGNX) | Option exercise (M): 14,165 @ $0 · Tax withholding (F): 6,849 @ $56.72 · Option exercise (M): 14,165 (derivative) @ $0 | EDGAR |
| 2026-02-17 | 4 | COGNEX CORP (CGNX) | Option exercise (M): 2,148 @ $39.44 · Sale (S): 2,148 @ $59.50 · Option exercise (M): 2,148 (derivative) @ $0 | EDGAR |
| 2026-02-13 | 4 | COGNEX CORP (CGNX) | Option exercise (M): 173,296 @ $38.39 · Sale (S): 173,296 @ $58.39 · Option exercise (M): 3,756 @ $39.44 · Sale (S): 3,756 @ $58.39 · Option exercise (M): 173,296 (derivative) @ $0 · Option exercise (M): 3,756 (derivative) @ $0 | EDGAR |
| 2025-10-22 | 4 | COGNEX CORP (CGNX) | Option exercise (M): 6,704 @ $38.39 · Sale (S): 6,704 @ $49.51 · Option exercise (M): 6,704 (derivative) @ $0 | EDGAR |
| 2025-05-23 | 4 | CLEAN HARBORS INC (CLH) | Grant/award (A): 789 @ $0 | EDGAR |
| 2025-02-20 | 4 | COGNEX CORP (CGNX) | Grant/award (A): 193,201 (derivative) @ $0 · Grant/award (A): 70,824 (derivative) @ $0 | EDGAR |
| 2024-05-23 | 4 | CLEAN HARBORS INC (CLH) | Grant/award (A): 836 @ $0 | EDGAR |
| 2024-03-11 | 4 | COGNEX CORP (CGNX) | Gift (G): 7,901 @ $0 · Gift (G): 7,901 @ $0 | EDGAR |
| 2024-02-22 | 4 | COGNEX CORP (CGNX) | Grant/award (A): 298,150 (derivative) @ $0 | EDGAR |
| 2024-02-20 | 4 | COGNEX CORP (CGNX) | Option exercise (M): 11,304 @ $0 · Tax withholding (F): 3,403 @ $38.13 · Option exercise (M): 11,304 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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