Ultra Clean Holdings, Inc.
US ˙ NASDAQ
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SecurityUCTI / Ultra Clean Holdings, Inc.
InsiderChristopher S Cook
This page shows the track record and history of Cook Christopher S insider trades in Ultra Clean Holdings, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Christopher S Cook in UCTI / Ultra Clean Holdings, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
2025-03-07 4,100 25.2950 4,100 25.2950 103,710 195 28.2600 12,157 11.72

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

UCTI / Ultra Clean Holdings, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Christopher S Cook in UCTI / Ultra Clean Holdings, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2024-05-09 8,586 43.5105 8,586 43.5105 373,581 334 17.8400 -220,407 -59.00
2023-11-14 4,662 26.6800 4,662 26.6800 124,382

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

UCTI / Ultra Clean Holdings, Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-09-03 2025-08-29 4 Cook Christopher S UCTI Common Stock A - Award D 73,686 130,015
2025-05-02 2025-04-30 4 Cook Christopher S UCTT Common Stock F - Taxes D 18.7100 -2,550 -48 56,329
2025-05-02 2025-04-30 4 Cook Christopher S UCTT Common Stock F - Taxes D 18.7100 -2,225 -42 58,879
2025-05-02 2025-04-30 4 Cook Christopher S UCTT Common Stock F - Taxes D 18.7100 -1,855 -35 61,104
2025-04-29 2025-04-25 4 Cook Christopher S UCTT Common Stock A - Award D 27,831 62,959
2025-03-11 2025-03-07 4 Cook Christopher S by Trust UCTT Common Stock P - Purchase I 25.2950 4,100 104 4,100
2024-05-13 2024-05-09 4 Cook Christopher S UCTT Common Stock S - Sale D 43.5105 -8,586 -374 35,128
2024-05-02 2024-04-30 4 Cook Christopher S UCTT Common Stock F - Taxes D 41.8300 -2,542 -106 43,714
2024-05-02 2024-04-30 4 Cook Christopher S UCTT Common Stock F - Taxes D 41.8300 -2,219 -93 46,256
2024-04-30 2024-04-26 4 Cook Christopher S UCTT Common Stock A - Award D 15,560 48,475
2024-04-15 2023-11-14 4 Cook Christopher S UCTT Common Stock S - Sale D 26.6800 -4,662 -124 32,915
2023-05-02 2023-04-30 4 Cook Christopher S UCTT Common Stock F - Taxes D 28.5400 -2,464 -70 37,577
2023-05-02 2023-04-28 4 Cook Christopher S UCTT Common Stock A - Award D 18,661 40,041
2022-05-09 3 Cook Christopher S UCTT Common Stock D 21,380
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)