Transaction · 0000950103-26-015166

Xiao Jinsong

Xiao Jinsong, CEO, reported a transaction classified as withholding at Ultra Clean Holdings, Inc. involving 19188.000000 shares for an estimated $1555379.28. Reported holdings after the transaction were 129935.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCEO
UCTTUltra Clean Holdings, Inc.
Filing timeOct 02
Trade dateSep 30, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position tradedUnavailableCalculated 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.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$72.69
Pre-filing
1mo ago -6.7%1w ago +6.3%1d ago +10.7%
Returns since
7d30d90d180d1y

UCTT price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
UCTT since 2026-10-02Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0000950103-26-015166
Common Stock
Transaction date
Sep 30, 2026
Filed Oct 02, 2026, 11:42 PM · 2d delay
Shares
19.1k sh
$81.06 per share
Estimated value
-$1.55M
Computed from shares × price
Holdings after
129k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
-12score
Filing-only score

-12

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.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Executive Officer

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 · 0000950103-26-015166
Related transactions

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Same reporting owner
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