Ultra Clean Holdings, Inc.
Ultra Clean Holdings, Inc. (UCTT) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · UCTT · as of Jun 10, 2026
Activity summary
Buy transactions
0
P-Purchase only
Sell transactions
14
12 Months
Buy/Sell ratio
0.00
Buy/Sell (by trades)
Overall sentiment
Ultra Clean Holdings, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 10, 2026
UCTT insider buying and selling by quarter
UCTT insider selling · UCTT insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 10, 2026
Active insiders
Most active in past 12 months · UCTT ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
UCTT executive sell shares · UCTT board member insider trading · UCTT insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 196 | $17K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 1,176 | $103K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 1,933 | $172K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 1,407 | $126K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 1,876 | $170K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 636 | $58K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 488 | $43K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 1,199 | $106K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 886 | $79K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 1,277 | $116K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 389 | $36K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 54 | $5K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 226 | $20K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 381 | $34K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 169 | $15K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 375 | $34K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 117 | $11K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 496 | $43K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 1,002 | $89K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 1,056 | $94K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 986 | $89K | Form 4 |
| Jun 4, 2026 | HARDING BRIAN E CAO | Sale | 663 | $61K | Form 4 |
| Jun 2, 2026 | Cho Paul Yoonku General Counsel and Secretary | Sale | 944 | $84K | Form 4 |
| May 22, 2026 | Cook Christopher S President, Products Division | Award | 13,196 | — | Form 4 |
| May 22, 2026 | Cho Paul Yoonku General Counsel and Secretary | Award | 8,041 | — | Form 4 |
Cho Paul Yoonku
General Counsel and Secretary
Date
Jun 2
Shares
944
Price
$89.37
Value
$84K
Cook Christopher S
President, Products Division
Date
May 22
Shares
13,196
Price
—
Value
—
Cho Paul Yoonku
General Counsel and Secretary
Date
May 22
Shares
8,041
Price
—
Value
—
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About UCTT insider trading
UCTT insider trades
Ultra Clean Holdings, Inc. (UCTT) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including HARDING BRIAN E (CAO), GRANGER CLARENCE L (Director), Cook Christopher S (President, Products Division). Over the past 12 months, 5 insiders have filed transactions with the SEC. UCTT insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Ultra Clean Holdings, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
UCTT insider trading · 5 questionsThe insiders of Ultra Clean Holdings, Inc. (UCTT) include executives and directors such as HARDING BRIAN E (CAO), GRANGER CLARENCE L (Director), Cook Christopher S (President, Products Division), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 10, 2026