Ultra Clean Holdings, Inc. is an SEC registrant, filing under CIK 0001275014, classified as semiconductors and related devices. We track it alongside the rest of the Information Technology sector.
UCTT Form 4 activity by transaction type, last 90 days
Form 4 transaction type
Transactions
Shares
Total value
Grant or award
1
20,917
Tax withholding / forfeiture
2
31,685
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
UCTT insider transactions (Form 4)
83
81 Form 4 filings on record, the earliest from Nov 4, 2024, newest first. Filing history page 1 of 3.
Footnote 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.
Footnote F1 (shares): Restricted stock units vest over 3 years with equal parts vesting on each anniversary of the vesting commencement date of August 31, 2026.
Footnote 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.
Footnote F1 (shares): The sale reported was effected by the reporting person pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2026.
Footnote F2 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $126.3500 to $127.1650. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $127.5050 to $128.5000. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $129.5900 to $130.2400. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F1 (shares): Restricted stock units vest over 3 years with equal parts vesting on each anniversary of the vesting commencement date of June 26, 2026.
Footnote F1 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $86.6975 to $87.6400. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $88.3400 to $89.2125. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.3600 to $90.2100. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.5700 to $91.5500. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F5 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $91.6150 to $91.8200. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F6 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $87.1900 to $87.7750. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F7 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $88.3650 to $89.3000. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F8 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.4300 to $90.2150. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F9 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.6950 to $91.6450. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F10 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $91.7500 to $91.9100. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F11 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $87.2950 to $87.8200. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F12 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $88.3700 to $89.1800. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F13 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.3650 to $89.8450. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F14 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.4400 to $91.1100. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F15 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $91.4400 to $91.8200. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F16 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $87.2950 to $87.9550. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F17 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $88.3550 to $89.1950. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F18 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.3650 to $89.9950. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F19 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.5600 to $91.5350. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F20 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $91.6100 to $91.9200. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F21 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $86.5900 to $87.4800. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F22 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $87.6350 to $88.5050. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F23 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $88.6550 to $89.6050. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F24 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.6550 to $90.2150. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F25 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.6600 to $91.6300. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F26 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $91.6600 to $91.8400. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F1 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $85.5350 to $86.1650. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $87.2700 to $88.2550. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $88.3400 to $89.1900. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.3400 to $90.2850. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F5 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.3400 to $91.1900. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F6 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $91.5350 to $91.8600. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F7 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $86.8800 to $87.4000. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F8 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $87.9900 to $88.9750. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F9 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.0900 to $89.6400. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F10 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.2150 to $91.0900. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F11 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $91.2400 to $91.8200. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F12 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $87.3000 to $88.1700. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F13 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $88.3650 to $89.2250. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F14 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.4350 to $90.0900. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F15 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.4400 to $91.1800. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F16 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $91.5350 to $91.8200. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F17 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $86.5900 to $87.5000. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F18 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $87.7950 to $88.7100. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F19 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $88.8200 to $89.7800. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F20 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $89.9800 to $90.9000. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F21 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $90.9900 to $91.8400. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote F1 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices ranging from $86.46 to $86.55. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F1 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $73.3600 to $74.3500. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sale price. Shares were sold in multiple transactions at prices from $74.3700 to $74.9050. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon… Full note on SEC EDGAR
An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
Ultra Clean Holdings, Inc. (UCTT) had 3 insider filings in the last 90 days, with the most recent on 2026-10-02. The full record for UCTT runs to 81 Form 4 filings, the earliest from 2024-11-04. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying UCTT stock?
No insider purchases of UCTT were filed in the last 90 days. 5 purchases are on record for this company.
How many insiders are selling UCTT stock?
No insider sales of UCTT were filed in the last 90 days. 73 sales are on record for this company.
Where can I see UCTT SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects UCTT Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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