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sellWeak cluster of 2

Thomas M Siebel sold $241k of AI

CEO and Chairman of the Board at C3.ai, Inc.. 22,780 shares at an average of $10.56, traded Sep 14, 2026, filed Sep 15, 2026.

Warning score
31
Value
$241k
22,780 shares
Holdings after
744,348
-3% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $241k at market
    +13
  • Share of holdings sold
    Sold 3.0% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8
  • 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.

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 Sep 15, 2026: +6.9%SPY +3.1% · excess +3.8%

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 0001577526-26-000128, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 11, 2026MOption exercise
Class A Common Stock
+44,766--767,12827 d ago
Sep 14, 2026SOpen-market sale
Class A Common Stock
-22,780$10.56$241k744,34827 d ago
Sep 14, 2026GGift
Class A Common Stock
-21,986$0.00$0722,36227 d ago
Sep 14, 2026GGift
Class A Common Stockindirect: See Footnote
+21,986$0.00$07,105,01927 d ago
Sep 11, 2026MOption exercise
Restricted Stock Unitsderivative
-44,766$0.00$0179,22827 d ago

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%
29Weak
AIsell 2
C3.ai, Inc.
Thomas M Siebel
CEO and Chairman of the Board
$174k
16,890 shares
-2%
43Moderate
AIsell 210b5-1
C3.ai, Inc.
Thomas M Siebel
Executive Chairman
$7.6M
532,832 shares
-36%
27Weak
AIsell 2
C3.ai, Inc.
Hitesh Lath
CHIEF FINANCIAL OFFICER
$216k
15,042 shares
-6%
28Weak
AIsell 2
C3.ai, Inc.
Thomas M Siebel
Executive Chairman
$367k
23,000 shares
-3%
46Moderate
AIsell 2
C3.ai, Inc.
Thomas M Siebel
Executive Chairman
$242k
17,000 shares
-52%
35Weak
AIsell10b5-1
C3.ai, Inc.
Thomas M Siebel
Executive Chairman
$8.3M
543,706 shares
-27%
43Moderate
AIsell
C3.ai, Inc.
Thomas M Siebel
Executive Chairman
$477k
27,545 shares
-52%
38Weak
AIsell 210b5-1
C3.ai, Inc.
Thomas M Siebel
Executive Chairman
$10M
554,802 shares
-22%

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 $241k of AI | InsiderTell