Transaction · 0000950103-26-013530

Cook Christopher S

Cook Christopher S, PRES, PD, reported a transaction classified as withholding at Ultra Clean Holdings, Inc. involving 12497.000000 shares for an estimated $847671.51. Reported holdings after the transaction were 98126.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FPRES, PD
UCTTUltra Clean Holdings, Inc.
Trade date
Aug 31, 2026
Filing date
Sep 03, 2026
View on SEC Insider profile
Estimated value-$847kShares × reported price
Shares traded12.4k$67.83 per share
Holdings after98.1kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

UCTT price since this filing

Daily closing prices, with the filing date and available return windows
UCTT · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +25.1%1w ago +9.3%1d ago +4.3%
Returns since7d +6.8%30d +9.2%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0000950103-26-013530
Common Stock
Transaction date
Aug 31, 2026
Filed Sep 03, 2026, 12:36 AM · 3d delay
Shares
12,497 sh
$67.83 per share
Estimated value
-$847k
Computed from shares × price
Holdings after
98,126 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

-16 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • tax_withholding-22 points

    transaction_code = F

    Tax withholding on vesting shares is mechanical.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

President, Products Division

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Represents shares automatically withheld for payment of tax liability arising as a result of the partial settlement of restricted stock unit awards that vested.

Original filing · 0000950103-26-013530
Related transactions

0 other transactions

Same SEC filing
Recent company activity

0 recent txs

UCTT