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sellModerate cluster of 6

Brian E Harding sold $320k of UCTT

Chief Accounting Officer at Ultra Clean Holdings, Inc.. 4,000 shares at an average of $80.00, traded May 5, 2026, filed May 7, 2026.

Warning score
44
Value
$320k
4,000 shares
Holdings after
36,631
-10% from before
From 52-week low
+332%
low $19.23, close $83.14
From 52-week high
0%
high $83.14, as of May 5, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $320k at market
    +14
  • Share of holdings sold
    Sold 9.8% of holdings
    0
  • Cluster
    6 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +2.7%, 3m +4.1%, 6m -.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

UCTTOct 9, 2026 · close 68.59
Since filing May 7, 2026: -14.2%SPY +6.9% · excess -21.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000950103-26-006972, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 5, 2026SOpen-market sale
Common Stock
-4,000$80.00$320k36,631May 7, 2026

Related signals

Other insiders at Ultra Clean Holdings, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
18Weak
UCTTsell10b5-1
Ultra Clean Holdings, Inc.
Brian E Harding
Chief Accounting Officer
$494k
3,837 shares
-10%
47Moderate
UCTTsell 410b5-1
Ultra Clean Holdings, Inc.
Sheri Savage
CFO
$1.4M
15,766 shares
-24%
47Moderate
UCTTsell 410b5-1
Ultra Clean Holdings, Inc.
Sheri Savage
CFO
$1.3M
14,421 shares
-18%
45Moderate
UCTTsell 410b5-1
Ultra Clean Holdings, Inc.
Brian E Harding
Chief Accounting Officer
$1.5M
16,988 shares
-38%
39Weak
UCTTsell 4
Ultra Clean Holdings, Inc.
Paul Yoonku Cho
General Counsel and Secretary
$84k
944 shares
-4%
57Moderate
UCTTsell 5
Ultra Clean Holdings, Inc.
Emily M Liggett
director
$756k
8,198 shares
-18%
55Moderate
UCTTsell 7
Ultra Clean Holdings, Inc.
Jeffrey L. McKibben
Chief Information Officer
$366k
4,205 shares
-27%
46Moderate
UCTTsell 6
Ultra Clean Holdings, Inc.
Paul Yoonku Cho
General Counsel and Secretary
$174k
2,000 shares
-11%
47Moderate
UCTTsell 6
Ultra Clean Holdings, Inc.
Jeffrey L. McKibben
Chief Information Officer
$216k
2,500 shares
-14%
61Notable
UCTTsell 6
Ultra Clean Holdings, Inc.
Jamie J. Palfrey
SVP, Global Human Resources
$693k
8,691 shares
-35%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Brian E Harding sold $320k of UCTT | InsiderTell