C3.ai (AI) CEO exercises 283,334 units and tax‑driven share sale
Rhea-AI Filing Summary
C3.ai, Inc. CEO Thomas M. Siebel reported several equity moves. On August 2, he exercised 283,334 Performance Restricted Stock Units into the same number of Class A shares. On August 3, 139,500 shares were automatically sold by the issuer at a weighted-average $9.61 to satisfy his tax withholding obligations. On August 4, he made a bona fide gift of 143,834 shares, which are held in a living trust where he serves as trustee, and he also continues to hold additional shares indirectly through affiliated entities.
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Insights
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Insider Trade Summary
Exercise and sale activity reported; no spread calculated
Exercise and Sale
9 txns
Insider
SIEBEL THOMAS M
Role
CEO and Chairman of the Board
Sold
139,500 shs ($1.34M)
Approx. gross sale proceeds
$1.34M
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Gift | Class A Common Stock | 143,834 | $0.00 | $0.00 |
| Gift | Class A Common Stock F4 | 143,834 | $0.00 | $0.00 |
| Sale | Class A Common Stock F2, F3 | 139,500 | $9.61 | $1.34M |
| Exercise | Performance Restricted Stock Units F1 | 283,334 | $0.00 | $0.00 |
| Exercise | Class A Common Stock F1 | 283,334 | -- | -- |
| holding | Class A Common Stock F5 | -- | -- | -- |
| holding | Class A Common Stock F6 | -- | -- | -- |
| holding | Class A Common Stock F7 | -- | -- | -- |
| holding | Class A Common Stock F8 | -- | -- | -- |
Holdings After Transaction:
Performance Restricted Stock Units — 0 shares (Direct);
Class A Common Stock — 722,362 shares (Direct);
Class A Common Stock — 8,556,507 shares (Indirect, See Footnote)
Footnotes (8)
- F1. Each Performance Restricted Stock Unit (PRSU) represents a contingent right to receive one share of the Issuer's Class A Common Stock. The PRSUs vest upon the Issuer's Class A Common Stock achieving a specified price per share.
- 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 related to the vesting of PRSUs reported herein.
- F3. The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $9.5 to $9.685, 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.
- 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.
- F5. The shares are held by First Virtual Holdings, LLC, of which the Reporting Person is Chairman.
- F6. The shares are held by Siebel Asset Management, L.P., of which the Reporting Person is the general partner.
- F7. The shares are held by Siebel Asset Management III, L.P., of which the Reporting Person is the general partner.
- F8. The shares are held by The Siebel 2011 Irrevocable Children's Trust, of which the Reporting Person is co-trustee.
Key Figures
Performance RSUs exercised: 283,334 shares
Shares sold for taxes: 139,500 shares
Weighted-average sale price: $9.61 per share
+1 more
4 metrics
Performance RSUs exercised
283,334 shares
Performance Restricted Stock Units converted into Class A Common Stock on August 2, 2026
Shares sold for taxes
139,500 shares
Class A shares automatically withheld and sold by issuer on August 3, 2026 to satisfy tax withholding obligations
Weighted-average sale price
$9.61 per share
Shares sold in multiple transactions at prices ranging from $9.50 to $9.685 per share
Gifted shares
143,834 shares
Bona fide gift of Class A Common Stock on August 4, 2026, with shares held in The Siebel Living Trust
Key Terms
Performance Restricted Stock Units, bona fide gift, weighted-average price, tax withholding obligations, +1 more
5 terms
Performance Restricted Stock Units financial
"Each Performance Restricted Stock Unit (PRSU) represents a contingent right to receive one share"
Performance restricted stock units (PRSUs) are promises to deliver company shares to employees or executives only if the business meets specific performance targets and any time-based holding rules. Think of them as a bonus that converts into stock only after set goals are reached, so investors watch PRSUs for two reasons: they can dilute existing shares if paid out, and they signal how closely management’s pay is tied to company performance.
bona fide gift financial
"transaction code G with transaction_code_description "Bona fide gift""
A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.
weighted-average price financial
"The price reported is a weighted-average price. These shares were sold in multiple transactions"
Weighted-average price is the average of multiple prices where each price is counted according to its size or importance—larger trades carry more weight than smaller ones, like averaging course grades by credit hours. It matters to investors because it gives a more realistic picture of the true price paid or received, helping assess trade execution, compare performance, calculate cost basis, and value positions more accurately than a simple average.
tax withholding obligations financial
"shares of Class A Common Stock were automatically withheld and sold by the Issuer to satisfy the Reporting Person's tax withholding obligations"
indirect ownership financial
"The shares are held by First Virtual Holdings, LLC, of which the Reporting Person is Chairman"
AI-generated analysis. How Rhea-AI works. Not financial advice.
FAQ
What insider transactions did Thomas M. Siebel report for C3.ai (AI)?
Thomas M. Siebel reported exercising 283,334 Performance RSUs, an issuer sale of 139,500 Class A shares to cover tax withholding, and a bona fide gift of 143,834 shares to a living trust, along with ongoing indirect holdings through several affiliated entities.
What Performance RSUs did Thomas M. Siebel exercise in C3.ai (AI)?
Thomas M. Siebel exercised 283,334 Performance Restricted Stock Units into the same number of Class A shares. Each PRSU represents one share and vests only when C3.ai’s Class A stock achieves a specified price per share, according to the disclosure footnote.
What was the size and recipient of Siebel’s stock gift in C3.ai (AI)?
He made a bona fide gift of 143,834 Class A shares. A related entry shows these shares held by The Siebel Living Trust u/a/d 7/27/93, as amended, for which Thomas M. Siebel serves as trustee, reflecting an indirect ownership position.
How does Thomas M. Siebel hold indirect ownership in C3.ai (AI)?
Indirect holdings are attributed to entities including The Siebel Living Trust, First Virtual Holdings, LLC, Siebel Asset Management, L.P., Siebel Asset Management III, L.P., and The Siebel 2011 Irrevocable Children’s Trust, where he is trustee, chairman or general partner.