Quick Takeaways
- Robert Willett has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $16,902,116.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Robert Willett
- Location
- Natick, MA
- Summary
- The estimated net worth of Robert Willett is at least $16,902,116 dollars as of 19 Feb 2026. Robert Willett is the Director of COGNEX CORP and owns shares of COGNEX CORP (CGNX) stock worth about $15.08M. Robert Willett is the Director of CLEAN HARBORS INC and owns shares of CLEAN HARBORS INC (CLH) stock worth about $1.82M.
- Signature
- Robert Willett
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Robert Willett and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: COGNEX CORP ($15,082,610).
- Past-year value change for that position: -$10,796,897.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Robert Willett
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| CGNX | COGNEX CORP | Director | $15,082,610 | -$10,796,897 | -42% | 18 Feb 2026 |
| CLH | CLEAN HARBORS INC | Director | $1,819,506 | 21 May 2025 |
Insider Transactions Reported by Robert Willett:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.