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person · Reporting owner

Xiao Jinsong

Disclosed activity across 1 company

Tapewire entity
43887
SEC CIK
0002086234

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Ultra Clean Holdings, Inc.UCTT · Entity 1193Chief Executive OfficerSeptember 30, 2026October 02, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Ultra Clean Holdings, Inc.

Report date September 30, 2026 · Filed October 02, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect129,935 Reported balance After 2026-09-30 transaction · row 1
1 source row

Row 1 · 2026-09-30 · Tax withholding · Disposed 19,188 · Balance 129,935

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.

Filing footnotes · ownership attribution and instrument terms

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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
September 30, 2026 Filed Oct 2, 2026 23:42 UTC Ultra Clean Holdings, Inc. UCTT · Entity 1193 Tax withholdingCommon Stock 19,188 $81.06 $1,555,379.28
Disclosure

SEC source: 0000950103-26-015166 · ownership.xml · nonDerivative · entry 1

Xiao Jinsong · CIK 0002086234 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,935

F1 · shares: Represents shares automatically withheld for payment of tax liability arising as a result of the partial settlement of restricted stock unit awards that vested.

Read SEC document
May 22, 2026 Filed May 28, 2026 01:50 UTC Ultra Clean Holdings, Inc. UCTT · Entity 1193 GrantCommon Stock 31,175 $0.00 $0.00
Disclosure

SEC source: 0000950103-26-007861 · ownership.xml · nonDerivative · entry 1

Xiao Jinsong · CIK 0002086234 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 149,123

F1 · shares: Restricted stock units vest over 3 years with equal parts vesting on each anniversary of the vesting commencement date of May 22, 2026.

Read SEC document
September 26, 2025 Filed Oct 1, 2025 01:41 UTC Ultra Clean Holdings, Inc. UCTT · Entity 1193 GrantCommon Stock 117,948 $0.00 $0.00
Disclosure

SEC source: 0000950103-25-012608 · dp235297_4-xiao.xml · nonDerivative · entry 1

Xiao Jinsong · CIK 0002086234 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,948

F1 · shares: Restricted stock units vest over 3 years with equal parts vesting on each anniversary of the vesting commencement date of September 26, 2025.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.