AI affiliate files multiple Class A sales by Siebel

AI (Class A) affiliate filings report proposed sales of Class A common stock by Thomas M. Siebel and the Siebel Living Trust.

Rhea-AI Filing Summary

AI (Class A) affiliate filings report proposed sales of Class A common stock by Thomas M. Siebel and the Siebel Living Trust. The notices list multiple sale dates and quantities, including 01/13/2026 sales of 212,586 and 309,589 shares and a 02/10/2026 sale of 511,732 shares. The filings record gross proceeds for each trade in the accompanying lines.

Insights

Corporate Governance Analyst

Affiliate sales by founder and related trust over recent months.

The excerpt lists multiple Section 144 sale notices executed by Thomas M. Siebel and the Siebel Living Trust, with explicit share counts and gross proceeds per trade. Examples include 212,586 shares for $2,873,631 on 01/13/2026 and 511,732 shares for $5,966,948.64 on 02/10/2026.

These are routine disclosed dispositions by affiliates; cash‑flow recipients are the selling persons. Subsequent filings or broker confirmations would show final transaction mechanics and net proceeds.

FAQ

What does the Form 144 for AI reveal about Thomas M. Siebel's recent sales?

The Form 144 lists multiple sales by Thomas M. Siebel, including 212,586 shares on 01/13/2026 and 511,732 shares on 02/10/2026. Each line shows shares sold and reported gross proceeds for that trade.

Which transactions did the Siebel Living Trust report in the filing for AI?

The Siebel Living Trust reported sales including 140,768 shares on 12/17/2025 for $2,001,496 and 309,589 shares on 01/13/2026 for $4,184,869, with amounts shown per line.

Are proceeds from the reported AI trades shown in the Form 144 excerpt?

Yes. Each reported trade line pairs share counts with a gross proceeds figure, for example $5,966,948.64 for 511,732 shares on 02/10/2026. The lines show gross proceeds as reported by the selling parties.

Does the excerpt indicate who receives the cash from these AI sales?

The excerpt attributes sales to individuals/entities (Thomas M. Siebel and Siebel Living Trust), so the selling persons receive proceeds. The filing lines list each seller alongside shares sold and gross proceeds.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/17/2026 - 05:21 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001031530
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	C3.ai, Inc.
SEC File Number	001-39744
Address of Issuer	1400 SEAPORT BLVD REDWOOD CITY CALIFORNIA 94063
Phone	650-503-2200
Name of Person for Whose Account the Securities are To Be Sold	Thomas M. Siebel
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer and Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A Common	J.P. Morgan Securities LLC 270 Park Avenue 10th Floor New York NY 10017	1946607	17130141	141791230	03/17/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A Common Stock	11/08/2017	NQ Option	Issuer			1946607	11/08/2017	NA

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Thomas M. Siebel 1400 SEAPORT BLVD REDWOOD CITY CA 94063	Class A Common Stock	01/13/2026	212586	2873631
Thomas M. Siebel 1400 SEAPORT BLVD REDWOOD CITY CA 94063	Class A Common Stock	02/02/2026	27605	298365.99
Thomas M. Siebel 1400 SEAPORT BLVD REDWOOD CITY CA 94063	Class A Common Stock	02/10/2026	511732	5966948.64
Thomas M. Siebel 1400 SEAPORT BLVD REDWOOD CITY CA 94063	Class A Common Stock	03/02/2026	17655	137606.6
Thomas M. Siebel 1400 SEAPORT BLVD REDWOOD CITY CA 94063	Class A Common Stock	03/12/2026	23435	213454.49
Siebel Living Trust 1400 SEAPORT BLVD REDWOOD CITY CA 94063	Class A Common Stock	12/17/2025	140768	2001496
Siebel Living Trust 1400 SEAPORT BLVD REDWOOD CITY CA 94063	Class A Common Stock	01/13/2026	309589	4184869

144: Remarks and Signature

Remarks
Date of Notice	03/17/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/20/2024
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Thomas M. Siebel.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)