Form 4 Tracker
Robert Willett

Director · 7 filings · Latest: Sep 30, 2026

ALLEGRO MICROSYSTEMS, INC.
CLEAN HARBORS INC
COGNEX CORP
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
CGNX
Willett Robert—Jun 30, 2026
Proposed Sale
$71.33172,667$12.3M—
CGNX
Willett Robert—Jun 29, 2026
Proposed Sale
$69.518,576$596.1K—
CGNX
Willett Robert—May 7, 2026
Proposed Sale
$68.08423,478$28.8M—
CGNX
Willett Robert—May 6, 2026
Proposed Sale
$61.6553,726$3.3M—
CGNX
Robert WillettDirectorFeb 18, 2026
Option Exercise
$0.0014,165—29,969
CGNX
Robert WillettDirectorFeb 13, 2026
Sale
$59.502,148$127.8K0
CGNX
Robert WillettDirectorFeb 13, 2026
Option Exercise
$39.442,148$84.7K2,148
CGNX
Robert WillettDirectorFeb 12, 2026
Sale
$58.39177,052$10.3M0
CGNX
Robert WillettDirectorFeb 12, 2026
Option Exercise
$38.41177,052$6.8M3,756
CGNX
Willett Robert—Feb 13, 2026
Proposed Sale
$59.502,148$127.8K—
CGNX
Willett Robert—Feb 12, 2026
Proposed Sale
$58.18177,052$10.3M—
CGNX
Willett Robert—Oct 21, 2025
Proposed Sale
$49.516,704$331.9K—