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Thomas M Siebel

Executive Chairman · C3.ai

Thomas M Siebel (Executive Chairman) filed 22 Form 4 reports in the trailing twelve months (0 purchases, 22 sales), most often in C3.ai, Inc. (AI). The largest single filing was $8.3M of AI (543,706 sh × $15.24, as filed), executed Nov 11 2025. Data as of Nov 8 2026.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
22
0 buys · 22 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$61.3M
shares × price, as filed
Last traded
Oct 13
Filed Oct 14

Median ADV $61.6M across their filed names

Open performance→
Volume by month
$21.5M$10.7M$0Dec 2024Jun 2025Dec 2025Jun 2026Jan 2025 · sells $20.9MFeb 2025 · sells $21.5MMar 2025 · sells $13.8MApr 2025 · sells $12.5MMay 2025 · sells $15.3MJun 2025 · sells $15.5MJul 2025 · sells $16.8MAug 2025 · sells $17.3MSep 2025 · sells $11.5MOct 2025 · sells $10.4MNov 2025 · sells $8.8MDec 2025 · sells $8.2MJan 2026 · sells $7.1MFeb 2026 · sells $6.3MMar 2026 · sells $4.8MApr 2026 · sells $4.1MMay 2026 · sells $4.4MJun 2026 · sells $5.7MJul 2026 · sells $4.2MAug 2026 · sells $6.1MSep 2026 · sells $5.2MOct 2026 · sells $5.1M
Buys $0 Sells $225.7M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Technology 22 filings

Sector per market data · by filing · past 12 months

Most traded names
AI C3.ai, Inc. AI · 0 buys · 38 sells 38 filings
Recent filings
AISALE C3.ai, Inc. View filing → $9.8M
566,125 sh × $17.23
Exec Sep 16 2025
Filed Sep 17 2025 · 5:30 PM ET
AISALE C3.ai, Inc. View filing → $1.5M
92,000 sh × $16.33
Exec Sep 12 2025
Filed Sep 15 2025 · 5:30 PM ET
AISALE C3.ai, Inc. View filing → $284K
17,200 sh × $16.49
Exec Sep 2 2025
Filed Sep 3 2025 · 5:30 PM ET
AISALE C3.ai, Inc. View filing → $9.7M
577,678 sh × $16.78
Exec Aug 12 2025
Filed Aug 14 2025 · 5:30 PM ET