Willett Robert
SEC insider (Form 3/4/5 filer). CIK 0001438093. Director at ALLEGRO MICROSYSTEMS, INC. (ALGM) and 2 other issuers. 17 reported Form 4/5 transactions since Sep 2024; latest on Sep 30, 2026. Located in MANCHESTER, NH.
Companies Willett Robert has filed insider reports for
- ALLEGRO MICROSYSTEMS, INC. (ALGM): Director
- CLEAN HARBORS INC (CLH): Director
- COGNEX CORP (CGNX): Director
Willett Robert
CIK: 0001438093
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (17 total)
- Sep 30, 2026ALGM
ALLEGRO MICROSYSTEMS, INC.
AwardDirectDeferred Stock Units
619 shares- - Aug 5, 2026ALGM
ALLEGRO MICROSYSTEMS, INC.
AwardDirectDeferred Stock Units
4.3K shares- - May 20, 2026CLH
CLEAN HARBORS INC
AwardDirect652 shares- - May 13, 2026ALGM
ALLEGRO MICROSYSTEMS, INC.
AwardDirect1.1K shares- - Feb 18, 2026CGNX
COGNEX CORP
Tax PaymentIndirect6.8K shares at avg. $56.72$388K - Feb 18, 2026CGNX
COGNEX CORP
ExerciseIndirect14.2K shares- - Feb 13, 2026CGNX
COGNEX CORP
ExerciseDirect2.1K shares at avg. $39.44$85K - Feb 13, 2026CGNX
COGNEX CORP
SaleDirect2.1K shares at avg. $59.50$128K - Feb 12, 2026CGNX
COGNEX CORP
SaleDirect173.3K shares at avg. $58.39$10.1M - Feb 12, 2026CGNX
COGNEX CORP
ExerciseDirect173.3K shares at avg. $38.39$6.7M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 30, 2026 |  ALGM ALLEGRO MICROSYSTEMS, INC. | Award Deferred Stock Units | 619 | - | - | Direct |
| Aug 5, 2026 | ALGM ALLEGRO MICROSYSTEMS, INC. | Award Deferred Stock Units | 4,251 | - | - | Direct |
| May 20, 2026 |  CLH CLEAN HARBORS INC | Award | 652 | - | $0 | Direct |
| May 13, 2026 | ALGM ALLEGRO MICROSYSTEMS, INC. | Award | 1,094 | - | $0 | Direct |
| Feb 18, 2026 |  CGNX COGNEX CORP | Tax Payment | 6,849 | $56.72 | $388,475 | Indirect |
| Feb 18, 2026 | CGNX COGNEX CORP | Exercise | 14,165 | - | $0 | Indirect |
| Feb 13, 2026 | CGNX COGNEX CORP | Exercise | 2,148 | $39.44 | $84,717 | Direct |
| Feb 13, 2026 | CGNX COGNEX CORP | Sale | 2,148 | $59.50 | $127,808 | Direct |
| Feb 12, 2026 | CGNX COGNEX CORP | Sale | 173,296 | $58.39 | $10,117,904 | Direct |
| Feb 12, 2026 | CGNX COGNEX CORP | Exercise | 173,296 | $38.39 | $6,652,833 | Direct |
1-10 of 17 transactions