Willett Robert
Reporting Owner SEC Filing List

CIK: 0001438093
Form Filer Subject Company Filing Agent Date Actions
4Statement of changes in beneficial owner...Allegro Microsystems, Inc. Donnelley Financial Solutions /fa/ 08/07/2026
4Statement of changes in beneficial owner...Willett Robert 08/07/2026
4Statement of changes in beneficial owner...Clean Harbors Inc 05/22/2026
4Statement of changes in beneficial owner...Willett Robert 05/22/2026
3Initial statement of beneficial ownershi...Allegro Microsystems, Inc. Donnelley Financial Solutions /fa/ 05/15/2026
4Statement of changes in beneficial owner...Allegro Microsystems, Inc. Donnelley Financial Solutions /fa/ 05/15/2026
3Initial statement of beneficial ownershi...Willett Robert 05/15/2026
4Statement of changes in beneficial owner...Willett Robert 05/15/2026
4Statement of changes in beneficial owner...Cognex Corp 02/19/2026
4Statement of changes in beneficial owner...Willett Robert 02/19/2026
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Willett Robert 's Ownership Transactions

Issuer Filing
Date
Transaction
Date
Transaction
Type
Shares Price Total Amt Shares Owned