Transaction · 0001577526-26-000121

Siebel Thomas M

SIEBEL THOMAS M, CHAIR, reported a transaction classified as exercise at C3.ai, Inc. involving 32736.000000 shares. Reported holdings after the transaction were 755098.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MCHAIR
AIC3.ai, Inc.
Estimated value—Shares × reported price
Shares traded32.7kPrice unknown
Holdings after755kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

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.

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

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 -15.8%1w ago -8.3%1d ago -0.7%
Returns since7d -3.9%30d +1.0%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
exercise
Code M
Identifier
0001577526-26-000121
Class A Common Stock
Transaction date
Sep 01, 2026
Filed Sep 03, 2026, 10:47 PM · 2d delay
Shares
32,736 sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
755,098 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

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

+2 points

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

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

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 = 2

    Filing reported within two business days of the transaction.
  • missing_price-8 points

    price_cents is null

    Missing price reduces confidence in value-based signals.
Missing facts
  • price_cents
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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