Skip to content
sellModerate cluster of 210b5-1 plan

Thomas M Siebel sold $15M of AI

CHIEF EXECUTIVE OFFICER at C3.ai, Inc.. 613,777 shares at an average of $24.00, traded May 13, 2025, filed May 15, 2025.

Warning score
43
Value
$15M
613,777 shares
Holdings after
4,402,564
-12% from before
From 52-week low
+32%
low $18.24, close $23.99
From 52-week high
-44%
high $42.94, as of May 13, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $14.7M at market
    +25
  • Share of holdings sold
    Sold 12% of holdings
    +5
  • Cluster
    2 insiders selling within 14 days
    +8
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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 May 15, 2025: -50.7%SPY +34.0% · excess -84.8%

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 0001415889-25-013254, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 13, 2025SOpen-market sale
Class A Common Stockindirect: See Footnote10b5-1
-341,698$24.00$8.2M4,674,643May 15, 2025
May 14, 2025SOpen-market sale
Class A Common Stockindirect: See Footnote10b5-1
-272,079$23.99$6.5M4,402,564May 15, 2025

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%
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%

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 $15M of AI | InsiderTell