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sellModerate cluster of 210b5-1 plan

Thomas M Siebel sold $5.5M of AI

CEO and Chairman of the Board at C3.ai, Inc.. 495,575 shares at an average of $11.10, traded Jun 12, 2026, filed Jun 15, 2026.

Warning score
43
Value
$5.5M
495,575 shares
Holdings after
722,362
-65% from before
From 52-week low
+40%
low $7.76, close $10.90
From 52-week high
-63%
high $29.16, as of Jun 12, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $5.5M at market
    +25
  • Share of holdings sold
    Sold 65% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 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 Jun 15, 2026: +4.5%SPY +3.7% · excess +0.9%

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 0001577526-26-000060, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 11, 2026MOption exercise
Class A Common Stock10b5-1
+44,767--767,129Jun 15, 2026
Jun 12, 2026SOpen-market sale
Class A Common Stock10b5-1
-23,570$10.92$257k743,559Jun 15, 2026
Jun 15, 2026GGift
Class A Common Stock10b5-1
-21,197$0.00$0722,362Jun 15, 2026
Jun 15, 2026GGift
Class A Common Stockindirect: See Footnote10b5-1
+21,197$0.00$06,923,353Jun 15, 2026
Jun 15, 2026MOption exercise
Class A Common Stock10b5-1
+472,005$2.04$963k1,194,367Jun 15, 2026
Jun 15, 2026SOpen-market sale
Class A Common Stock10b5-1
-472,005$11.11$5.2M722,362Jun 15, 2026
Jun 11, 2026MOption exercise
Restricted Stock Unitsderivative10b5-1
-44,767$0.00$0223,994Jun 15, 2026
Jun 15, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-472,005$0.00$0329,075Jun 15, 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.