Transaction · 0001577526-26-000121

Siebel Thomas M

SIEBEL THOMAS M, CHAIR, reported an open-market or private sale at C3.ai, Inc. involving 16890.000000 shares for an estimated $173967.00. Reported holdings after the transaction were 738208.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SCHAIR
AIC3.ai, Inc.
Estimated value-$173kShares × reported price
Shares traded16.8k$10.30 per share
Holdings after738kDirect
% of reported position traded2.24%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 755,098 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

AI price since this filing

Daily closing prices, with the filing date and available return windows
AI · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -10.7%1w ago -11.1%1d ago -5.1%
Returns since7d -3.9%30d +1.0%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001577526-26-000121
Class A Common Stock
Transaction date
Sep 02, 2026
Filed Sep 03, 2026, 10:47 PM · 1d delay
Shares
16,890 sh
$10.30 per share
Estimated value
-$173k
Computed from shares × price
Holdings after
738,208 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

+10 points

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

CEO and Chairman of the Board

Officer YesDirector Yes10% YesOther No
Footnotes & amended
  1. F1

    Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

  2. F2

    Pursuant to the Issuer's policies and practice, these shares of Class A Common Stock were automatically withheld and sold by the Issuer to satisfy the Reporting Person's tax withholding obligations re…

  3. F3

    The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $10.30 to $10.31, inclusive. The Reporting Person will provide upon request to th…

  4. F4

    The shares are held by The Siebel Living Trust u/a/d 7/27/93, as amended, of which the Reporting Person is trustee.

  5. F5

    The shares are held by First Virtual Holdings, LLC, of which the Reporting Person is Chairman.

  6. F6

    The shares are held by Siebel Asset Management, L.P., of which the Reporting Person is the general partner.

  7. F7

    The shares are held by Siebel Asset Management III, L.P., of which the Reporting Person is the general partner.

  8. F8

    The shares are held by The Siebel 2011 Irrevocable Children's Trust, of which the Reporting Person is co-trustee.

  9. F9

    1/12th of the RSUs vest on each quarterly anniversary from December 1, 2023, so long as the Reporting Person continues to provide services through such vesting date.

Original filing · 0001577526-26-000121
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