Robert Willett

Track

Insider profile

Currently holds positions in Clean Harbors Inc and Cognex Corp

Performance

Overall performance
2.7
Performance over holding periods
2.7
30 days 90 days 120 days
Average return -3% 8.2% 15.1%
Success rate 34% 68% 82%
Transactions
60 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Independent Director Clean Harbors Inc Dec. 17, 2019 -
President, Chief Executive Officer, Director Cognex Corp March 16, 2011 -
Robert Willett's trades of Cognex Corp's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-30 2026-06-30
US Cognex Corp (CGNX)
PrS Proposed sale
2,945
100.27
US$2,390,961 		2,945 100.27 US$2,390,961
2026-06-29 2026-06-29
US Cognex Corp (CGNX)
PrS Proposed sale
30,226
381.00
US$2,040,931 		30,226 381.00 US$2,040,931
2026-05-07 2026-05-07
US Cognex Corp (CGNX)
PrS Proposed sale
93,928
45.30
US$3,600,644 		93,928 45.30 US$3,600,644
2026-05-06 2026-05-06
US Cognex Corp (CGNX)
PrS Proposed sale
53,726
61.65
US$3,312,317 		53,726 61.65 US$3,312,317
2026-02-17 2026-02-13
US Cognex Corp (CGNX)
PlS Planned sale
2,148 -100.0%
59.50
US$127,808 		2,148 -100.0% 59.50 US$127,808
2026-02-13 2026-02-13
US Cognex Corp (CGNX)
PrS Proposed sale
2,148
59.50
US$127,808 		2,148 59.50 US$127,808
2026-02-13 2026-02-12
US Cognex Corp (CGNX)
PlS Planned sale
3,756 -100.0%
58.39
US$219,294 		3,756 -100.0% 58.39 US$219,294
2026-02-13 2026-02-12
US Cognex Corp (CGNX)
PlS Planned sale
173,296 -100.0%
58.39
US$10,117,904 		173,296 -100.0% 58.39 US$10,117,904
2026-02-12 2026-02-12
US Cognex Corp (CGNX)
PrS Proposed sale
177,052
58.18
US$10,300,974 		177,052 58.18 US$10,300,974
2025-10-22 2025-10-21
US Cognex Corp (CGNX)
PlS Planned sale
6,704 -100.0%
49.51
US$331,890 		6,704 -100.0% 49.51 US$331,890
2025-10-21 2025-10-21
US Cognex Corp (CGNX)
PrS Proposed sale
6,704
49.51
US$331,890 		6,704 49.51 US$331,890
2020-11-12 2020-11-11
US Cognex Corp (CGNX)
S Sale
26,384 -100.0%
71.85
US$1,895,619 		26,384 -100.0% 71.85 US$1,895,619
2020-11-12 2020-11-10
US Cognex Corp (CGNX)
S Sale
53,616 -100.0%
70.05
US$3,755,586 		53,616 -100.0% 70.05 US$3,755,586
2020-11-12 2020-11-09
US Cognex Corp (CGNX)
S Sale
80,000 -100.0%
71.44
US$5,715,208 		80,000 -100.0% 71.44 US$5,715,208
2020-11-09 2020-11-06
US Cognex Corp (CGNX)
S Sale
80,000 -100.0%
72.04
US$5,762,816 		80,000 -100.0% 72.04 US$5,762,816
2020-11-09 2020-11-05
US Cognex Corp (CGNX)
S Sale
80,000 -100.0%
73.84
US$5,907,448 		80,000 -100.0% 73.84 US$5,907,448
2020-11-05 2020-11-04
US Cognex Corp (CGNX)
S Sale
80,000 -100.0%
72.53
US$5,802,128 		80,000 -100.0% 72.53 US$5,802,128
2020-11-05 2020-11-03
US Cognex Corp (CGNX)
S Sale
79,638 -100.0%
69.56
US$5,539,444 		79,638 -100.0% 69.56 US$5,539,444
2020-11-03 2020-10-30
US Cognex Corp (CGNX)
S Sale
362 -100.0%
66.73
US$24,155 		362 -100.0% 66.73 US$24,155
2020-09-03 2020-09-02
US Cognex Corp (CGNX)
S Sale
100,000 -100.0%
70.51
US$7,051,260 		100,000 -100.0% 70.51 US$7,051,260
2020-08-10 2020-08-07
US Cognex Corp (CGNX)
S Sale
6,022 -100.0%
67.46
US$406,244 		6,022 -100.0% 67.46 US$406,244
2020-08-10 2020-08-06
US Cognex Corp (CGNX)
S Sale
63,978 -100.0%
67.92
US$4,345,117 		63,978 -100.0% 67.92 US$4,345,117
2020-08-06 2020-08-05
US Cognex Corp (CGNX)
S Sale
70,000 -100.0%
68.54
US$4,797,625 		70,000 -100.0% 68.54 US$4,797,625
2020-08-06 2020-08-04
US Cognex Corp (CGNX)
S Sale
60,000 -100.0%
67.05
US$4,023,144 		60,000 -100.0% 67.05 US$4,023,144
2020-08-04 2020-08-03
US Cognex Corp (CGNX)
S Sale
100,000 -100.0%
66.56
US$6,655,640 		100,000 -100.0% 66.56 US$6,655,640
2020-08-04 2020-07-31
US Cognex Corp (CGNX)
S Sale
100,000 -100.0%
65.93
US$6,592,750 		100,000 -100.0% 65.93 US$6,592,750
2019-12-16 2019-12-13
US Cognex Corp (CGNX)
S Sale
46,929 -100.0%
54.38
US$2,551,877 		46,929 -100.0% 54.38 US$2,551,877
2019-12-16 2019-12-12
US Cognex Corp (CGNX)
S Sale
100,000 -100.0%
53.52
US$5,352,490 		100,000 -100.0% 53.52 US$5,352,490
2019-12-12 2019-12-11
US Cognex Corp (CGNX)
S Sale
70,000 -100.0%
51.82
US$3,627,344 		70,000 -100.0% 51.82 US$3,627,344
2019-12-11 2019-12-09
US Cognex Corp (CGNX)
S Sale
73,071 -100.0%
50.76
US$3,708,755 		73,071 -100.0% 50.76 US$3,708,755
2019-12-09 2019-12-06
US Cognex Corp (CGNX)
S Sale
50,000 -100.0%
51.06
US$2,552,900 		50,000 -100.0% 51.06 US$2,552,900
2019-12-02 2019-11-27
US Cognex Corp (CGNX)
S Sale
40,000 -100.0%
51.57
US$2,062,812 		40,000 -100.0% 51.57 US$2,062,812
2019-11-29 2019-11-26
US Cognex Corp (CGNX)
S Sale
100,000 -100.0%
50.49
US$5,049,440 		100,000 -100.0% 50.49 US$5,049,440
2019-11-12 2019-11-08
US Cognex Corp (CGNX)
S Sale
143,294 -100.0%
53.16
US$7,616,793 		143,294 -100.0% 53.16 US$7,616,793
2019-11-08 2019-11-07
US Cognex Corp (CGNX)
S Sale
17,298 -100.0%
53.77
US$930,072 		17,298 -100.0% 53.77 US$930,072
2019-11-08 2019-11-06
US Cognex Corp (CGNX)
S Sale
19,408 -100.0%
53.86
US$1,045,270 		19,408 -100.0% 53.86 US$1,045,270
2017-11-03 2017-11-02
US Cognex Corp (CGNX)
S Sale
100,000 -100.0%
127.19
US$12,719,360 		100,000 -100.0% 127.19 US$12,719,360
2017-08-28 2017-08-25
US Cognex Corp (CGNX)
S Sale
8,241 -100.0%
103.09
US$849,597 		8,241 -100.0% 103.09 US$849,597
2017-08-16 2017-08-15
US Cognex Corp (CGNX)
S Sale
57,291 -100.0%
104.65
US$5,995,635 		57,291 -100.0% 104.65 US$5,995,635
2017-08-16 2017-08-14
US Cognex Corp (CGNX)
S Sale
9,468 -100.0%
104.12
US$985,766 		9,468 -100.0% 104.12 US$985,766
2017-08-10 2017-08-08
US Cognex Corp (CGNX)
S Sale
25,000 -100.0%
103.37
US$2,584,315 		25,000 -100.0% 103.37 US$2,584,315
2017-05-17 2017-05-15
US Cognex Corp (CGNX)
S Sale
55,919 -100.0%
91.73
US$5,129,674 		55,919 -100.0% 91.73 US$5,129,674
2017-05-10 2017-05-09
US Cognex Corp (CGNX)
S Sale
23,961 -100.0%
89.85
US$2,152,869 		23,961 -100.0% 89.85 US$2,152,869
2017-05-10 2017-05-08
US Cognex Corp (CGNX)
S Sale
20,020 -100.0%
89.71
US$1,795,988 		20,020 -100.0% 89.71 US$1,795,988
2017-05-08 2017-05-04
US Cognex Corp (CGNX)
S Sale
100 -100.0%
89.64
US$8,964 		100 -100.0% 89.64 US$8,964