InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (29 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
29
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the detailed record of transactions filed by Siebel Thomas M, Chairman & CEO. Director active across 1 company, notably C3.ai, Inc.. Cumulatively, 81 filings have been logged. Breakdown: 0 buy · 29 sells. Total volume traded: €177.5m. History available since 7 June 2021. The latest transaction was disclosed on 11 August 2026 (Levée d'options). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Siebel Thomas M
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations81 total
453,314 shares@ US$3.90Class A Common StockSEC:0001577526-26-000098:0
453,314 shares@ US$10.51Class A Common StockSEC:0001577526-26-000098:1
283,334 sharesClass A Common StockSEC:0001577526-26-000094:0
139,500 shares@ US$9.610.094% mcap0.5% of flowClass A Common StockSEC:0001577526-26-000094:1
143,834 shares0Class A Common StockSEC:0001577526-26-000094:2
143,834 shares0Class A Common StockSEC:0001577526-26-000094:3
264,100 shares@ US$2.040.038% mcap0.2% of flowClass A Common StockSEC:0001577526-26-000085:0
264,100 shares@ US$9.070.17% mcap0.9% of flowClass A Common StockSEC:0001577526-26-000085:1
64,975 shares@ US$2.040.0093% mcap0.0% of flowClass A Common StockSEC:0001577526-26-000085:2
64,975 shares@ US$9.310.043% mcap0.2% of flowClass A Common StockSEC:0001577526-26-000085:3
133,490 shares@ US$3.900.037% mcap0.2% of flowClass A Common StockSEC:0001577526-26-000085:4
133,490 shares@ US$9.320.088% mcap0.5% of flowClass A Common StockSEC:0001577526-26-000085:5
44,767 sharesClass A Common StockSEC:0001577526-26-000060:0
23,570 sharesClass A Common StockSEC:0001577526-26-000060:1
21,197 sharesClass A Common StockSEC:0001577526-26-000060:2
21,197 sharesClass A Common StockSEC:0001577526-26-000060:3
472,005 sharesClass A Common StockSEC:0001577526-26-000060:4
472,005 sharesClass A Common StockSEC:0001577526-26-000060:5
6,182,053 shares0Class A Common StockSEC:0001577526-26-000058:3
6,182,053 shares0Class A Common StockSEC:0001577526-26-000058:4
32,736 sharesClass A Common StockSEC:0001577526-26-000058:0
6,166,667 shares@ US$11.164.71% mcap23.0% of flowClass A Common StockSEC:0001577526-26-000058:1
17,350 shares@ US$11.320.013% mcap0.1% of flowClass A Common StockSEC:0001577526-26-000058:2
326,189 shares@ US$2.040.046% mcap0.2% of flowClass A Common StockSEC:0001577526-26-000042:0
326,189 shares@ US$8.310.19% mcap0.9% of flowClass A Common StockSEC:0001577526-26-000042:1
25 of 81 declarations
About Siebel Thomas M
SIEBEL THOMAS M is Président-Directeur Général at C3.ai, Inc. He has 69 filings in total. Across the sampled recent filings, from 2021-06-09 to 2026-06-15, the reported sell amount is EUR 168446335 and the most frequent transaction type is Levée d'options.
