SIEBEL THOMAS M
SEC insider (Form 3/4/5 filer). CIK 0001031530. CEO and Chairman of the Board at C3.ai, Inc. (AI). 171 reported Form 4/5 transactions since Sep 2024; latest on Oct 13, 2026. Located in REDWOOD CITY, CA.
Companies SIEBEL THOMAS M has filed insider reports for
- C3.ai, Inc. (AI): Director, Officer, 10% Owner, CEO and Chairman of the Board
SIEBEL THOMAS M
CIK: 0001031530
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)67 (39.2%)
Position reduction
Option Exercises (M)45 (26.3%)
Derivative conversions
Awards (A)4 (2.3%)
Compensation grants
Other (G, F, J, C, D, …)55 (32.2%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
AI
C3.ai, Inc.
DirectorOfficer10% Owner
Discretionary Trading P&L
Holdings
Transaction History (171 total)
- Oct 13, 2026AI
C3.ai, Inc.
ExerciseDirect435.4K shares at avg. $3.90$1.7M - Oct 13, 2026AI
C3.ai, Inc.
SaleDirect435.4K shares at avg. $11.82$5.1M - Sep 30, 2026AI
C3.ai, Inc.
GiftIndirect239 shares- - Sep 30, 2026AI
C3.ai, Inc.
GiftIndirect239 shares- - Sep 30, 2026AI
C3.ai, Inc.
GiftIndirect239 shares- - Sep 30, 2026AI
C3.ai, Inc.
GiftIndirect239 shares- - Sep 16, 2026AI
C3.ai, Inc.
ExerciseDirect162.2K shares at avg. $3.90$633K - Sep 16, 2026AI
C3.ai, Inc.
SaleDirect162.2K shares at avg. $10.54$1.7M - Sep 15, 2026AI
C3.ai, Inc.
ExerciseDirect282K shares at avg. $3.90$1.1M - Sep 15, 2026AI
C3.ai, Inc.
SaleDirect282K shares at avg. $10.90$3.1M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 13, 2026 | AI C3.ai, Inc. | Exercise | 435,363 | $3.90 | $1,697,916 | Direct |
| Oct 13, 2026 | AI C3.ai, Inc. | Sale | 435,363 | $11.82 | $5,145,076 | Direct |
| Sep 30, 2026 | AI C3.ai, Inc. | Gift | 239 | - | $0 | Indirect |
| Sep 30, 2026 | AI C3.ai, Inc. | Gift | 239 | - | $0 | Indirect |
| Sep 30, 2026 | AI C3.ai, Inc. | Gift | 239 | - | $0 | Indirect |
| Sep 30, 2026 | AI C3.ai, Inc. | Gift | 239 | - | $0 | Indirect |
| Sep 16, 2026 | AI C3.ai, Inc. | Exercise | 162,247 | $3.90 | $632,763 | Direct |
| Sep 16, 2026 | AI C3.ai, Inc. | Sale | 162,247 | $10.54 | $1,710,083 | Direct |
| Sep 15, 2026 | AI C3.ai, Inc. | Exercise | 282,001 | $3.90 | $1,099,804 | Direct |
| Sep 15, 2026 | AI C3.ai, Inc. | Sale | 282,001 | $10.90 | $3,073,811 | Direct |
1-10 of 171 transactions
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