Thomas M. Siebel serves as Executive at SIEBEL SYSTEMS INC, where they oversee executive responsibilities. Since joining the company, Thomas M. Siebel has executed 172 insider transactions totaling $478.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 17, 2025 involved selling 140,768 shares valued at $2.0M.
Thomas M. Siebel currently holds 941,845 shares of SIEBEL SYSTEMS INC (SEBL), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Thomas M. Siebel has been a net seller of SEBL stock. They have purchased $0 and sold $478.7M worth of shares.
Thomas M. Siebel's most recent insider trade was on Dec 17, 2025, when they sold 140,768 shares at $14.22 per share.
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| $14.37 |
| Discretionary |
| Dec 15, 2025 | AI | $0 | Gift | 21,767 | $N/A | Discretionary |
| Dec 15, 2025 | AI | $0 | Gift | 21,767 | $N/A | Discretionary |
| Dec 12, 2025 | AI | $366.6K | Sale | 23,000 | $15.94 | Discretionary |
| Dec 11, 2025 | AI | $0 | Award | 722,362 | $N/A | Discretionary |
| Dec 11, 2025 | AI | $0 | Option Exercise | 44,767 | $N/A | Discretionary |
| Dec 3, 2025 | AI | $0 | Gift | 15,736 | $N/A | Discretionary |
| Dec 3, 2025 | AI | $0 | Gift | 15,736 | $N/A | Discretionary |
| Dec 2, 2025 | AI | $241.6K | Sale | 17,000 | $14.21 | Discretionary |
| Dec 1, 2025 | AI | $0 | Option Exercise | 32,736 | $N/A | Discretionary |
| Nov 11, 2025 | AI | $8.3M | Sale | 543,706 | $15.24 | Discretionary |
| Nov 4, 2025 | AI | $0 | Gift | 25,580 | $N/A | Discretionary |
| Nov 4, 2025 | AI | $0 | Gift | 25,580 | $N/A | Discretionary |
| Nov 3, 2025 | AI | $476.5K | Sale | 27,545 | $17.30 | Discretionary |
| Nov 1, 2025 | AI | $0 | Option Exercise | 53,125 | $N/A | Discretionary |
| Oct 14, 2025 | AI | $10.4M | Sale | 554,802 | $18.82 | Discretionary |
| Sep 16, 2025 | AI | $9.8M | Sale | 566,125 | $17.23 | Discretionary |
| Sep 15, 2025 | AI | $0 | Gift | 87,119 | $N/A | Discretionary |
| Sep 15, 2025 | AI | $0 | Gift | 87,119 | $N/A | Discretionary |
| Sep 12, 2025 | AI | $1.5M | Sale | 92,000 | $16.33 | Discretionary |
| Sep 11, 2025 | AI | $0 | Option Exercise | 179,119 | $N/A | Discretionary |
| Sep 3, 2025 | AI | $0 | Gift | 15,536 | $N/A | Discretionary |
| Sep 3, 2025 | AI | $0 | Gift | 15,536 | $N/A | Discretionary |
| Sep 2, 2025 | AI | $283.6K | Sale | 17,200 | $16.49 | Discretionary |
| Sep 1, 2025 | AI | $0 | Option Exercise | 32,736 | $N/A | Discretionary |
| Aug 12, 2025 | AI | $9.7M | Sale | 577,678 | $16.78 | Discretionary |
| Aug 4, 2025 | AI | $0 | Gift | 323,916 | $N/A | Discretionary |
| Aug 4, 2025 | AI | $0 | Gift | 323,916 | $N/A | Discretionary |
| Aug 4, 2025 | AI | $7.7M | Sale | 336,000 | $22.77 | Discretionary |