# EDGAR Filing Document

**Accession Number:** 0001031530
**File Stem:** 0001031530-25-000015
**Filing Date:** 2025-12
**Character Count:** 8725
**Document Hash:** b3fea10b7e56c0deab932f1d709c5bd3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001031530-25-000015.hdr.sgml**: 20251215

**ACCESSION NUMBER**: 0001031530-25-000015

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251211

**FILED AS OF DATE**: 20251215

**DATE AS OF CHANGE**: 20251215

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SIEBEL THOMAS M
- **CENTRAL INDEX KEY:** 0001031530

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39744
- **FILM NUMBER:** 251573217

**MAIL ADDRESS:**
- **STREET 1:** 1400 SEAPORT BLVD
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94063
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** C3.ai, Inc.
- **CENTRAL INDEX KEY:** 0001577526
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 263999357
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0430

**BUSINESS ADDRESS:**
- **STREET 1:** 1400 SEAPORT BLVD
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94063
- **BUSINESS PHONE:** 650-503-2200

**MAIL ADDRESS:**
- **STREET 1:** 1400 SEAPORT BLVD
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94063

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** C3 IoT, Inc.
- **DATE OF NAME CHANGE:** 20180123

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** C3, Inc.
- **DATE OF NAME CHANGE:** 20130522

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

[ ] 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**<sup>*</sup><br>SIEBEL THOMAS M<br><sub>(Last) (First) (Middle)</sub><br>C/O C3.AI, INC.<br>1400 SEAPORT BLVD<br><sub>(Street)</sub><br>REDWOOD CITY, CA 94603<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-12-11 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Executive Chairman_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>C3.ai, Inc. [ AI ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Common Stock | 2025-12-11 |  | M |  | 44767 | A | <sup>(1)</sup> | 44767 | D |  |
| Class A Common Stock | 2025-12-11 |  | A |  | 722362<sup>(2)</sup> | A | <sup>(1)</sup> | 767129 | D |  |
| Class A Common Stock | 2025-12-12 |  | S<sup>(3)</sup> |  | 23000 | D | 15.94<sup>(4)</sup> | 744129 | D |  |
| Class A Common Stock | 2025-12-15 |  | G |  | 21767 | D | $0 | 722362 | D |  |
| Class A Common Stock | 2025-12-15 |  | G |  | 21767 | A | $0 | 1474677 | I | See Footnote<sup>(5)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 9216 | I | See Footnote<sup>(6)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 170294 | I | See Footnote<sup>(7)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 72695 | I | See Footnote<sup>(8)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 1237115 | I | See Footnote<sup>(9)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock Units | <sup>(1)</sup> | 2025-12-11 |  | M |  |  | 44767 | <sup>(10)</sup> | <sup>(10)</sup> | Class A Common Stock | 44767 | $0 | 313527 | D |  |
| Stock Option (Right to Buy) | $17.512 | 2025-12-11 |  | A |  | 1133474 |  | <sup>(11)</sup> | 2035-12-10 | Class A Common Stock | 1133474 | $0 | 1133474 | D |  |

---

### Footnotes:

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

(2) Represents the grant of RSUs.  33% of the RSUs vest on December 11, 2026 and 1/12th of the RSUs vest on each quarterly anniversary thereafter, so long as the Reporting Person continues to provide services through such vesting date.

(3) 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 related to the vesting of RSUs reported herein.

(4) The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $15.78 to $16.00, 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.

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

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

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

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

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

(10) 1/3rd of the RSUs vested on September 11, 2025 and 1/12th of the RSUs shall vest quarterly thereafter, so long as the Reporting Person continues to provide services through such vesting dates.

(11) 1/3rd of the option shall vest on each of December 11, 2026, December 11, 2027 and December 11, 2028, so long as the Reporting Person continues to provide services as the Executive Chairman, or a similar role through such vesting dates.

**Signature:** /s/ Thomas M. Siebel  
**Date:** 2025-12-15

### Remarks:

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.**