Cook Christopher S

Track

Insider profile

Performance

Overall performance
2.7
Performance over holding periods
4.2
30 days 90 days 120 days
Average return -17% 8.2% 15.1%
Success rate 0% 68% 82%
Transactions
6 17% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Performance for realised trades
4.4
Average return 198%
Success rate 73%
Average holding period 220
Transactions 28
Ranking by realised performance
Cook Christopher S's trades of Ultra Clean Holdings Inc's stock


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity 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
2026-05-06 2026-05-04
S Sale
65,227 +28.7%
240.19
US$104,353 		65,227 +28.7% 240.19 US$104,353
2026-05-06 2026-05-04
S Sale
90,245 -12.1%
221.11
US$2,273,218 		90,245 -12.1% 221.11 US$2,273,218
2026-05-04 2026-05-04
PrS Proposed sale
21,576
58.43
US$1,851,121 		21,576 58.43 US$1,851,121
2026-05-01 2026-05-01
PrS Proposed sale
11,903
75.31
US$896,467 		11,903 75.31 US$896,467
2026-05-04 2026-04-30
S Sale
11,903 -9.9%
75.31
US$896,415 		11,903 -9.9% 75.31 US$896,415
2025-03-11 2025-03-07
B Purchase
4,100 +inf%
25.30
US$103,710 		4,100 +inf% 25.30 US$103,710
2024-05-13 2024-05-09
S Sale
8,586 -19.6%
43.51
US$373,581 		8,586 -19.6% 43.51 US$373,581
2024-05-09 2024-05-09
PrS Proposed sale
8,586
43.79
US$375,981 		8,586 43.79 US$375,981
2024-04-15 2023-11-14
S Sale
4,662 -12.4%
26.68
US$124,382 		4,662 -12.4% 26.68 US$124,382
2023-11-14 2023-11-14
PrS Proposed sale
4,662
26.68
US$124,382 		4,662 26.68 US$124,382