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sellWeak

Thomas M Siebel sold $298k of AI

Executive Chairman at C3.ai, Inc.. 27,605 shares at an average of $10.81, traded Feb 2, 2026, filed Feb 3, 2026.

Warning score
19
Value
$298k
27,605 shares
Holdings after
747,882
-4% from before
From 52-week low
0%
low $10.92, close $10.92
From 52-week high
-69%
high $35.09, as of Feb 2, 2026

Score components

  • Role
    Chair
    +20
  • Trade size
    $298k at market
    +14
  • Share of holdings sold
    Sold 3.6% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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 -12.7%, 3m -12.5%, 6m -6.5%.

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.

AIOct 9, 2026 · close 11.53
Since filing Feb 3, 2026: +7.3%SPY +13.7% · excess -6.5%

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 0001031530-26-000003, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 1, 2026MOption exercise
Class A Common Stock
+53,125--775,487Feb 3, 2026
Feb 2, 2026SOpen-market sale
Class A Common Stock
-27,605$10.81$298k747,882Feb 3, 2026
Feb 3, 2026GGift
Class A Common Stock
-25,520$0.00$0722,362Feb 3, 2026
Feb 3, 2026GGift
Class A Common Stockindirect: See Footnote
+25,520$0.00$0657,776Feb 3, 2026
Feb 1, 2026MOption exercise
Restricted Stock Unitsderivative
-53,125$0.00$053,125Feb 3, 2026

Related signals

Other insiders at C3.ai, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
33Weak
AIsell 210b5-1
C3.ai, Inc.
Thomas M Siebel
CEO and Chairman of the Board
$4.8M
444,248 shares
-44%
27Weak
AIsell 2
C3.ai, Inc.
Hitesh Lath
CHIEF FINANCIAL OFFICER
$221k
21,077 shares
-5%
31Weak
AIsell 2
C3.ai, Inc.
Thomas M Siebel
CEO and Chairman of the Board
$241k
22,780 shares
-3%
29Weak
AIsell 2
C3.ai, Inc.
Thomas M Siebel
CEO and Chairman of the Board
$174k
16,890 shares
-2%
33Weak
AIsell 210b5-1
C3.ai, Inc.
Thomas M Siebel
CEO and Chairman of the Board
$4.8M
453,314 shares
-39%
22Weak
AIsell 210b5-1
C3.ai, Inc.
Hitesh Lath
CHIEF FINANCIAL OFFICER
$200k
20,000 shares
-5%
48Moderate
AIsell 2
C3.ai, Inc.
Thomas M Siebel
CEO and Chairman of the Board
$1.3M
139,500 shares
-14%
40Moderate
AIsell 310b5-1
C3.ai, Inc.
Thomas M Siebel
CEO and Chairman of the Board
$4.2M
462,565 shares
-47%
58Moderate
AIsell 3
C3.ai, Inc.
Stephen Bradley Ehikian
Chief Executive Officer
$478k
50,542 shares
-7%
39Weak
AIsell 310b5-1
C3.ai, Inc.
Hitesh Lath
CHIEF FINANCIAL OFFICER
$426k
48,619 shares
-11%

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.

Thomas M Siebel sold $298k of AI | InsiderTell