Transaction · 0001577526-26-000015

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.
Filing timeMar 03
Trade dateMar 01, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$9.10
Pre-filing
1mo ago +21.0%1w ago +14.1%1d ago -12.6%
Returns since
7d -1.5%30d -5.1%90d +29.1%180d +9.9%1y +9.9%

AI price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
AI since 2026-03-03Filed 185 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
exercise
Code M
Identifier
0001577526-26-000015
Class A Common Stock
Transaction date
Mar 01, 2026
Filed Mar 03, 2026, 12:00 AM · 2d delay
Shares
32.7k sh
Price unknown
Estimated value
Computed from shares × price
Holdings after
755k sh
Direct

Filing warnings

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

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
+2score
Filing-only score

+2

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.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Executive Chairman

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 $7.75 to $7.82, inclusive. The Reporting Person will provide upon request to the…

  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 · 0001577526-26-000015
Related transactions

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Same reporting owner
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