InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Discover the detailed record of transactions filed by Willett Robert, Director. Officer active across 4 companies, notably CLEAN HARBORS INC. In total, 9 filings have been published. The latest transaction was filed on 13 May 2026 (Attribution). Regulator: SEC (Form 4). The full history is free.
Declarations9 total
01,094 shares0
Common Stock
SEC:0001193125-26-226845·
01,094 shares0
Common Stock
SEC:0001193125-26-226845:0·
01,849 shares0
Common Stock
SEC:0001179110-22-003154:0·
04,522 shares0
Common Stock
SEC:0001806043-22-000002·
04,522 shares0
Common Stock
SEC:0001806043-22-000002:0·
0257 shares0
Common Stock
SEC:0001179110-22-000108·
0257 shares0
Common Stock
SEC:0001179110-22-000108:0·
01,513 shares0
Common Stock
SEC:0001179110-21-006459·
01,513 shares0
Common Stock
SEC:0001179110-21-006459:0·
9 of 9 declarations
About Willett Robert
Robert Willett is a Board Member and President & CEO at Clean Harbors Inc, Cognex Corp, and Allegro Microsystems, Inc. He plays a key role in governance and strategic direction for all three companies.
