C3.ai (AI) Executive Chairman Thomas Siebel discloses RSU vesting, tax sale and gifts
Rhea-AI Filing Summary
C3.ai, Inc. insider Thomas M. Siebel, Executive Chairman, director and 10% owner, reported several equity transactions in Class A common stock. On 12/01/2025, 32,736 shares were acquired upon the vesting and settlement of restricted stock units, with a matching reduction in RSUs reported as an exercise (code M). On 12/02/2025, 17,000 shares were sold (code S) at a weighted-average price of $14.21, with the company’s explanation stating these sales were automatically made to cover tax withholding on the RSU vesting. On 12/03/2025, 15,736 shares were transferred as gifts (code G) from direct ownership to indirect ownership at zero price. Following these transactions, Siebel reports direct ownership of Class A common stock and substantial indirect holdings through multiple entities and trusts, as well as 130,946 RSUs that remain outstanding and unexercised.
Positive
- None.
Negative
- None.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Gift | Class A Common Stock | 15,736 | $0.00 | -- |
| Gift | Class A Common Stock | 15,736 | $0.00 | -- |
| Sale | Class A Common Stock | 17,000 | $14.21 | $242K |
| Exercise | Restricted Stock Units | 32,736 | $0.00 | -- |
| Exercise | Class A Common Stock | 32,736 | $0.00 | -- |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class A Common Stock | -- | -- | -- |
| holding | Class A Common Stock | -- | -- | -- |
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. 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. The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $14.17 to $14.235, 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. The shares are held by The Siebel Living Trust u/a/d 7/27/93, as amended, of which the Reporting Person is trustee. The shares are held by First Virtual Holdings, LLC, of which the Reporting Person is Chairman. The shares are held by Siebel Asset Management, L.P., of which the Reporting Person is the general partner. The shares are held by Siebel Asset Management III, L.P., of which the Reporting Person is the general partner. The shares are held by The Siebel 2011 Irrevocable Children's Trust, of which the Reporting Person is co-trustee. 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.
FAQ
What did C3.ai (AI) insider Thomas M. Siebel report in this Form 4?
Thomas M. Siebel reported the vesting of 32,736 RSU-based shares of C3.ai Class A common stock, a sale of 17,000 shares to cover tax obligations, and a transfer of 15,736 shares as gifts between direct and indirect ownership.
How many C3.ai (AI) restricted stock units does Thomas M. Siebel still hold?
After the reported transactions, Thomas M. Siebel reports beneficial ownership of 130,946 restricted stock units (RSUs), each representing a contingent right to receive one share of Class A common stock upon settlement.
How do Thomas M. Siebel’s C3.ai (AI) RSUs vest over time?
The filing states that 1/12th of the RSUs vest on each quarterly anniversary from December 1, 2023, so long as Siebel continues to provide services through each vesting date.
What does transaction code M mean in Thomas M. Siebel’s C3.ai (AI) Form 4?
In this context, transaction code M indicates the settlement of restricted stock units (RSUs), where each RSU converts into one share of C3.ai Class A common stock upon vesting.