C3.ai Executive Chair sells 554,802 shares at $18.82 under 10b5-1

C3.ai (AI) reported an insider transaction by its Executive Chairman (also a Director and 10% Owner).

Rhea-AI Filing Summary

C3.ai (AI) reported an insider transaction by its Executive Chairman (also a Director and 10% Owner). On 10/14/2025, the reporting person sold 554,802 Class A shares at a weighted-average price of $18.82, pursuant to a Rule 10b5-1 trading plan dated September 20, 2024. The sales occurred within a price range of $18.39 to $19.35.

Following the transaction, beneficial ownership includes 1,955,300 shares held by The Siebel Living Trust and 1,237,115 shares held by The Siebel 2011 Irrevocable Children's Trust, with additional indirect holdings noted.

Insider Trade Summary

Net Seller: 554,802 shares

Net Sell 5 txns

Insider SIEBEL THOMAS M

Role Executive Chairman

Sold 554,802 shs ($10.44M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	554,802	$18.82	$10.44M
holding	Class A Common Stock	--	--	--
holding	Class A Common Stock	--	--	--
holding	Class A Common Stock	--	--	--
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 3,444,620 shares (Indirect, See Footnote)

Footnotes (7)

1. F1. The transaction being reported was effected pursuant to a previously established Rule 10b5-1 trading plan dated September 20, 2024.
2. F2. The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $18.39 to $19.35, inclusive. The Reporting Person will provide upon request to the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, full information regarding the number of shares sold at each separate price.
3. F3. The shares are held by The Siebel Living Trust u/a/d 7/27/93, as amended, of which the Reporting Person is trustee.
4. F4. The shares are held by First Virtual Holdings, LLC, of which the Reporting Person is Chairman.
5. F5. The shares are held by Siebel Asset Management, L.P., of which the Reporting Person is the general partner.
6. F6. The shares are held by Siebel Asset Management III, L.P., of which the Reporting Person is the general partner.
7. F7. The shares are held by The Siebel 2011 Irrevocable Children's Trust, of which the Reporting Person is co-trustee.

FAQ

What did C3.ai (AI) disclose in this Form 4?

An insider sale of 554,802 Class A shares on 10/14/2025 at a weighted-average price of $18.82.

Was the sale under a 10b5-1 plan for C3.ai (AI)?

Yes. The filing states it was under a previously established Rule 10b5-1 plan dated September 20, 2024.

What was the trade price range for the C3.ai (AI) sale?

Shares were sold across multiple trades between $18.39 and $19.35.

What roles does the reporting person hold at C3.ai (AI)?

The reporting person is a Director, 10% Owner, and Officer (Executive Chairman).

How many shares does the reporting person beneficially own after the sale?

Holdings include 1,955,300 shares in The Siebel Living Trust and 1,237,115 shares in The Siebel 2011 Irrevocable Children's Trust, plus other indirect holdings.

Can I get details of each trade price for the C3.ai (AI) sale?

Yes. The filing offers to provide full trade-by-trade pricing details upon request to the SEC staff, the issuer, or any security holder.

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Accepted by SEC EDGAR 10/16/2025 - 04:26 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

SIEBEL THOMAS M

(Last) (First) (Middle)

C/O C3.AI, INC.

1400 SEAPORT BLVD

(Street)

REDWOOD CITY CA 94603

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
C3.ai, Inc. [ AI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Chairman

3. Date of Earliest Transaction (Month/Day/Year)
10/14/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	10/14/2025		S(1)		554,802	D	$18.82(2)	1,955,300	I	See Footnote(3)
Class A Common Stock								9,216	I	See Footnote(4)
Class A Common Stock								170,294	I	See Footnote(5)
Class A Common Stock								72,695	I	See Footnote(6)
Class A Common Stock								1,237,115	I	See Footnote(7)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The transaction being reported was effected pursuant to a previously established Rule 10b5-1 trading plan dated September 20, 2024.

2. The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $18.39 to $19.35, inclusive. The Reporting Person will provide upon request to the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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

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

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

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

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

	/s/ Andrew Thomases, Attorney-in-Fact	10/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.