SIEBEL THOMAS M 4
4 · C3.ai, Inc. · Filed Feb 12, 2026
Research Summary
AI-generated summary of this filing
C3.ai (AI) Thomas M. Siebel Exercises Options, Sells 511,732 Shares
What Happened
Thomas M. Siebel (10% owner; trustee/chairman of several holder entities per footnotes) exercised 511,732 derivative instruments on Feb 10, 2026 at $2.04 per share (cost $1,043,933) and immediately sold the 511,732 resulting shares in the open market for weighted-average proceeds of $11.66 per share, totaling $5,966,795. The exercise/conversion line also shows a derivative disposition at $0.00, reflecting the conversion/settlement of the derivative. Net proceeds before fees and taxes were roughly $4.92M.
Key Details
- Transaction date: 2026-02-10; Form filed 2026-02-12 (timely filing).
- Exercise: 511,732 shares at $2.04 each (total exercise cost $1,043,933).
- Sale: 511,732 shares sold at a weighted-average price of $11.66; total gross proceeds $5,966,795. Sales ranged from $11.46 to $12.05 per share (weighted avg reported).
- Plan/authorization: Transactions were executed under a previously established Rule 10b5-1 trading plan (dated Sept 20, 2024).
- Shareholders/vehicles: Shares are held across related entities/trusts (The Siebel Living Trust; First Virtual Holdings, LLC; Siebel Asset Management, L.P.; Siebel Asset Management III, L.P.; The Siebel 2011 Irrevocable Children's Trust) — Reporting Person is trustee/chairman/general partner for these entities (per footnotes).
- Vesting/status: Fully vested.
- Shares owned after transaction: Not disclosed in this filing.
Context
This was effectively a cashless exercise: options/derivatives were exercised and the resulting shares were sold the same day. Because the trades were executed under a pre-established 10b5-1 plan, the sales were likely pre-scheduled rather than opportunistic, which is common for large holders to satisfy tax/exercise obligations. As a 10% owner and related-party holder, these transactions reflect disposition from his controlled entities rather than a routine open-market sale by a lower-level executive.
Insider Transaction Report
- Exercise/Conversion
Class A Common Stock
[F1]2026-02-10$2.04/sh+511,732$1,043,933→ 1,234,094 total - Sale
Class A Common Stock
[F1][F2]2026-02-10$11.66/sh−511,732$5,966,795→ 722,362 total - Exercise/Conversion
Stock Option (Right to Buy)
[F1][F8]2026-02-10−511,732→ 2,275,682 totalExercise: $2.04Exp: 2027-11-07→ Class A Common Stock (511,732 underlying)
- 657,776(indirect: See Footnote)
Class A Common Stock
[F3] - 9,216(indirect: See Footnote)
Class A Common Stock
[F4] - 170,294(indirect: See Footnote)
Class A Common Stock
[F5] - 72,695(indirect: See Footnote)
Class A Common Stock
[F6] - 1,237,115(indirect: See Footnote)
Class A Common Stock
[F7]
Footnotes (8)
- [F1]The transaction being reported was effected pursuant to a previously established Rule 10b5-1 trading plan dated September 20, 2024.
- [F2]The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $11.46 to $12.05, 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.
- [F3]The shares are held by The Siebel Living Trust u/a/d 7/27/93, a amended, of which the Reporting Person is trustee
- [F4]The shares are held by First Virtual Holdings, LLC, of which the Reporting Person is Chairman.
- [F5]The shares are held by Siebel Asset Management, L.P., of which the Reporting Person is the general partner.
- [F6]The shares are held by Siebel Asset Management III, L.P., of which the Reporting Person is the general partner.
- [F7]The shares are held by The Siebel 2011 Irrevocable Children's Trust, of which the Reporting Person is co-trustee.
- [F8]Fully vested.