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sellModerate cluster of 2

Thomas M Siebel sold $1.3M of AI

CEO and Chairman of the Board at C3.ai, Inc.. 139,500 shares at an average of $9.61, traded Aug 3, 2026, filed Aug 4, 2026.

Warning score
48
Value
$1.3M
139,500 shares
Holdings after
866,196
-14% from before
From 52-week low
+25%
low $7.76, close $9.73
From 52-week high
-58%
high $23.29, as of Aug 3, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $1.3M at market
    +25
  • Share of holdings sold
    Sold 14% of holdings
    +5
  • 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 Aug 4, 2026: +14.7%SPY +1.1% · excess +13.6%

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 0001577526-26-000094, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 2, 2026MOption exercise
Class A Common Stock
+283,334--1,005,696Aug 4, 2026
Aug 3, 2026SOpen-market sale
Class A Common Stock
-139,500$9.61$1.3M866,196Aug 4, 2026
Aug 4, 2026GGift
Class A Common Stock
-143,834$0.00$0722,362Aug 4, 2026
Aug 4, 2026GGift
Class A Common Stockindirect: See Footnote
+143,834$0.00$07,067,187Aug 4, 2026
Aug 2, 2026MOption exercise
Performance Restricted Stock Unitsderivative
-283,334$0.00$00Aug 4, 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%
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%
35Weak
AIsell 2
C3.ai, Inc.
Hitesh Lath
CHIEF FINANCIAL OFFICER
$375k
34,210 shares
-13%

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 $1.3M of AI | InsiderTell