Who
Robert Willett
Director
Company insider
Files Form 4 as: Director, Allegro MicroSystems; Director, Clean Harbors; CEO & President, Cognex.
In numbers
- Trades disclosed
- 266
- Buys
- 0
- Sells
- 61
- Bought
- $0
- Sold
- $196.1M
- Companies
- 3
- Companies where not an officer
- 2
- First trade
- 17 Jun 2008
- Last trade
- 30 Sep 2026
- Last filed
- 1 Oct 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 30 Sep 2026filed 1 Oct 2026 | ALGM Allegro MicroSystemsoption or derivative · Semiconductors | SEC FORM 4 Code A | —618.982 at $0.00 | filing |
| 5 Aug 2026filed 7 Aug 2026 | ALGM Allegro MicroSystemsoption or derivative · Semiconductors | SEC FORM 4 Code A | —4,251 at $0.00 | filing |
| 5 Aug 2026filed 7 Aug 2026 | ALGM Allegro MicroSystemsoption or derivative · Semiconductors | SEC FORM 4 Code A | —4,251 at $0.00 | filing |
| 20 May 2026filed 22 May 2026 | CLH Clean HarborsWaste & Environmental | SEC FORM 4 Code A | —652 at $0.00 | filing |
| 20 May 2026filed 22 May 2026 | CLH Clean HarborsWaste & Environmental | SEC FORM 4 Code A | —652 at $0.00 | filing |
| 13 May 2026filed 15 May 2026 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —1,094 at $0.00 | filing |
| 13 May 2026filed 15 May 2026 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —1,094 at $0.00 | filing |
| 18 Feb 2026filed 19 Feb 2026 | CGNX CognexLife-science tools | SEC FORM 4 Code M | —14,165 at $0.00 | filing |
| 18 Feb 2026filed 19 Feb 2026 | CGNX CognexLife-science tools | SEC FORM 4 Code F | $388K6,849 at $56.72 | filing |
| 18 Feb 2026filed 19 Feb 2026 | CGNX Cognexoption or derivative · Life-science tools | SEC FORM 4 Code M | —14,165 at $0.00 | filing |
| 18 Feb 2026filed 19 Feb 2026 | CGNX Cognexoption or derivative · Life-science tools | SEC FORM 4 Code M | —14,165 at $0.00 | filing |
| 18 Feb 2026filed 19 Feb 2026 | CGNX CognexLife-science tools | SEC FORM 4 Code M | —14,165 at $0.00 | filing |
| 18 Feb 2026filed 19 Feb 2026 | CGNX CognexLife-science tools | SEC FORM 4 Code F | $388K6,849 at $56.72 | filing |
| 13 Feb 2026filed 17 Feb 2026 | CGNX CognexLife-science tools | SEC FORM 4 Code M | $85K2,148 at $39.44 | filing |
| 13 Feb 2026filed 17 Feb 2026 | CGNX CognexLife-science tools | SEC FORM 4 Sold | $128K2,148 at $59.50 | filing |
| 13 Feb 2026filed 17 Feb 2026 | CGNX Cognexoption or derivative · Life-science tools | SEC FORM 4 Code M | —2,148 at $0.00 | filing |
| 13 Feb 2026filed 17 Feb 2026 | CGNX Cognexoption or derivative · Life-science tools | SEC FORM 4 Code M | —2,148 at $0.00 | filing |
| 13 Feb 2026filed 17 Feb 2026 | CGNX CognexLife-science tools | SEC FORM 4 Code M | $85K2,148 at $39.44 | filing |
| 13 Feb 2026filed 17 Feb 2026 | CGNX CognexLife-science tools | SEC FORM 4 Sold | $128K2,148 at $59.50 | filing |
| 12 Feb 2026filed 13 Feb 2026 | CGNX CognexLife-science tools | SEC FORM 4 Code M | $6.7M173,296 at $38.39 | filing |
News
Barclays Forecasts Strong Price Appreciation for Cognex (NASDAQ:CGNX) StockCGNX · themarketsdaily.com · 12 Oct 2026Cognex (NASDAQ:CGNX) Stock Price Down 7.3% After Analyst DowngradeCGNX · themarketsdaily.com · 9 Oct 2026
0 headlines in the last 90 days name Robert Willett; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.