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Siebel Thomas M

In the past year, 23 open-market sale filings worth $75.3M and no purchases.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
$75.3M
23 filings
Net
−$75.3M
Bought minus sold
Companies
1
With open-market trades

Trades

Every Form 4 that lists Siebel Thomas M as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 17, 2026 (view filing)6:55 PM ETSep 15-162 daysSiebel Thomas MCEO and Chairman of the BoardSSaleClass A Common Stock−444.2K$10.77−$4.78M−38.1%722.4K after2 lots10b5-1
Sep 15, 2026 (view filing)8:02 PM ETSep 141 daySiebel Thomas MCEO and Chairman of the BoardSSaleClass A Common Stock−22.8K$10.56−$240.6K−3.0%744.3K after
Sep 3, 2026 (view filing)6:47 PM ETSep 21 daySiebel Thomas MCEO and Chairman of the BoardSSaleClass A Common Stock−16.9K$10.30−$174.0K−2.2%738.2K after
Aug 13, 2026 (view filing)5:27 PM ETAug 112 daysSiebel Thomas MCEO and Chairman of the BoardSSaleClass A Common Stock−453.3K$10.51−$4.76M−38.6%722.4K after10b5-1
Aug 4, 2026 (view filing)9:02 PM ETAug 31 daySiebel Thomas MCEO and Chairman of the BoardSSaleClass A Common Stock−139.5K$9.61−$1.34M−13.9%866.2K after
Jul 16, 2026 (view filing)4:40 PM ETJul 14-152 daysSiebel Thomas MCEO and Chairman of the BoardSSaleClass A Common Stock−462.6K$9.18−$4.24M−39.0%722.4K after3 lots10b5-1
Jun 15, 2026 (view filing)Jun 12-153 daysSiebel Thomas MCEO and Chairman of the BoardSSaleClass A Common Stock−495.6K$11.10−$5.50M−40.7%722.4K after2 lots10b5-1
Jun 3, 2026 (view filing)Jun 21 daySiebel Thomas MCEO and Chairman of the BoardSSaleClass A Common Stock−17.4K$11.32−$196.4K−0.3%6.90M after
May 19, 2026 (view filing)May 15-184 daysSiebel Thomas MCEO and Chairman of the BoardSSaleClass A Common Stock−481.6K$8.70−$4.19M−40.0%722.4K after2 lots10b5-1
May 5, 2026 (view filing)May 41 daySiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−27.2K$9.27−$252.2K−3.5%748.3K after
Apr 15, 2026 (view filing)Apr 13-142 daysSiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−491.5K$8.37−$4.11M−40.5%722.4K after2 lots10b5-1
Mar 19, 2026 (view filing)Mar 17-182 daysSiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−501.5K$8.78−$4.40M−41.0%722.4K after2 lots10b5-1
Mar 13, 2026 (view filing)Mar 121 daySiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−23.4K$9.11−$213.5K−3.1%743.7K after
Mar 3, 2026 (view filing)Mar 21 daySiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−17.7K$7.79−$137.5K−2.3%737.4K after
Feb 12, 2026 (view filing)Feb 102 daysSiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−511.7K$11.66−$5.97M−41.5%722.4K after10b5-1
Feb 3, 2026 (view filing)Feb 21 daySiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−27.6K$10.81−$298.4K−3.6%747.9K after
Jan 15, 2026 (view filing)Jan 132 daysSiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−212.6K$13.52−$2.87M−22.7%722.4K after10b5-1
Jan 15, 2026 (view filing)Jan 132 daysSiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−309.6K$13.52−$4.19M−32.9%632.3K after10b5-1
Dec 18, 2025 (view filing)Dec 16-172 daysSiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−532.8K$14.33−$7.64M−36.1%941.8K after2 lots10b5-1
Dec 15, 2025 (view filing)Dec 123 daysSiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−23.0K$15.94−$366.6K−3.0%744.1K after
Dec 3, 2025 (view filing)Dec 21 daySiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−17.0K$14.21−$241.6K−51.9%15.7K after
Nov 12, 2025 (view filing)Nov 111 daySiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−543.7K$15.24−$8.29M−27.4%1.44M after10b5-1
Nov 4, 2025 (view filing)Nov 31 daySiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−27.5K$17.30−$476.5K−51.8%25.6K after
Oct 16, 2025 (view filing)Oct 142 daysSiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−554.8K$18.82−$10.4M−22.1%1.96M after10b5-1
Sep 17, 2025 (view filing)Sep 161 daySiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−566.1K$17.23−$9.75M−18.4%2.51M after10b5-1
Sep 15, 2025 (view filing)Sep 123 daysSiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−92.0K$16.33−$1.50M−51.4%87.1K after
Sep 3, 2025 (view filing)Sep 21 daySiebel Thomas MExecutive ChairmanSSaleClass A Common Stock−17.2K$16.49−$283.6K−52.5%15.5K after
Aug 14, 2025 (view filing)Aug 122 daysSiebel Thomas MCHIEF EXECUTIVE OFFICERSSaleClass A Common Stock−577.7K$16.78−$9.69M−16.3%2.97M after10b5-1
Aug 5, 2025 (view filing)Aug 41 daySiebel Thomas MCHIEF EXECUTIVE OFFICERSSaleClass A Common Stock−336.0K$22.77−$7.65M−50.9%323.9K after
Jul 22, 2025 (view filing)Jul 184 daysSiebel Thomas MCHIEF EXECUTIVE OFFICERSSaleClass A Common Stock−589.5K$28.58−$16.8M−15.4%3.23M after2 lots10b5-1
Jun 12, 2025 (view filing)Jun 111 daySiebel Thomas MCHIEF EXECUTIVE OFFICERSSaleClass A Common Stock−601.5K$25.02−$15.1M−13.6%3.82M after2 lots10b5-1
Jun 3, 2025 (view filing)Jun 21 daySiebel Thomas MCHIEF EXECUTIVE OFFICERSSaleClass A Common Stock−17.0K$26.30−$447.1K−51.9%15.7K after
May 15, 2025 (view filing)May 13-142 daysSiebel Thomas MCHIEF EXECUTIVE OFFICERSSaleClass A Common Stock−613.8K$24.00−$14.7M−12.2%4.40M after2 lots10b5-1
May 5, 2025 (view filing)May 23 daysSiebel Thomas MCHIEF EXECUTIVE OFFICERSSaleClass A Common Stock−27.0K$22.27−$601.5K−50.8%26.1K after
Apr 16, 2025 (view filing)Apr 14-162 daysSiebel Thomas MCHIEF EXECUTIVE OFFICERSSaleClass A Common Stock−598.2K$20.07−$12.0M−100.0%0 after4 lots10b5-1
Apr 16, 2025 (view filing)Apr 14-162 daysSiebel Thomas MCHIEF EXECUTIVE OFFICERSSaleClass A Common Stock−28.1K$20.07−$564.2K−0.6%4.99M after4 lots10b5-1
Mar 18, 2025 (view filing)Mar 14-184 daysSiebel Thomas MCHIEF EXECUTIVE OFFICERSSaleClass A Common Stock−639.1K$21.70−$13.9M−51.7%598.2K after4 lots10b5-1
Feb 13, 2025 (view filing)Feb 11-122 daysSiebel Thomas MCHIEF EXECUTIVE OFFICERSSaleClass A Common Stock−652.1K$32.93−$21.5M−34.5%1.24M after5 lots10b5-1
Jan 16, 2025 (view filing)Jan 14-152 daysSiebel Thomas MCHIEF EXECUTIVE OFFICERSSaleClass A Common Stock−665.4K$31.38−$20.9M−27.5%1.76M after4 lots10b5-1
Nov 17, 2021 (view filing)Nov 15-162 daysSiebel Thomas MChief Executive OfficerSSaleClass A Common Stock−615.5K$48.36−$29.8M−15.0%3.50M after7 lots
Oct 15, 2021 (view filing)Oct 13-152 daysSiebel Thomas MChief Executive OfficerSSaleClass A Common Stock−484.1K$46.17−$22.4M−10.5%4.11M after6 lots
Sep 15, 2021 (view filing)Sep 13-152 daysSiebel Thomas MChief Executive OfficerSSaleClass A Common Stock−640.9K$49.13−$31.5M−12.2%4.60M after9 lots
Aug 18, 2021 (view filing)Aug 16-182 daysSiebel Thomas MChief Executive OfficerSSaleClass A Common Stock−653.9K$46.22−$30.2M−11.1%5.24M after7 lots
Jul 15, 2021 (view filing)Jul 13-142 daysSiebel Thomas MChief Executive OfficerSSaleClass A Common Stock−667.3K$53.65−$35.8M−10.2%5.89M after8 lots