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Thomas M Siebel

Executive Chairman

Thomas M Siebel (Executive Chairman) filed 23 Form 4 reports in the trailing twelve months (0 purchases, 23 sales), most often in C3.ai, Inc. (AI). The largest single filing was $10.4M of AI (554,802 sh × $18.82, as filed), executed Oct 14 2025.

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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
23
0 buys · 23 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$75.3M
shares × price, as filed
Last traded
Sep 16
Filed Sep 17

Median ADV $61.6M across their filed names

Open performance
Volume by month
$21.5M$10.7M$0Oct 2024Apr 2025Oct 2025Apr 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 $5.2M
Buys $0 Sells $220.6M

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

Sectors filed on
Technology 23 filings

Sector per market data · by filing · past 12 months

Most traded names
AI C3.ai, Inc. AI · 0 buys · 37 sells 37 filings
Recent filings
AISALE C3.ai, Inc. View filing → $4.8M
444,248 sh across 2 lots
Exec Sep 15
Filed Sep 17 · 6:55 PM ET
AISALE C3.ai, Inc. View filing → $241K
22,780 sh × $10.56
Exec Sep 14
Filed Sep 15 · 8:02 PM ET
AISALE C3.ai, Inc. View filing → $174K
16,890 sh × $10.30
Exec Sep 2
Filed Sep 3 · 6:47 PM ET
AISALE C3.ai, Inc. View filing → $4.8M
453,314 sh × $10.51
Exec Aug 11
Filed Aug 13 · 5:27 PM ET
AISALE C3.ai, Inc. View filing → $1.3M
139,500 sh × $9.61
Exec Aug 3
Filed Aug 4 · 9:02 PM ET
AISALE C3.ai, Inc. View filing → $4.2M
462,565 sh across 3 lots
Exec Jul 14
Filed Jul 16 · 4:40 PM ET
AISALE C3.ai, Inc. View filing → $5.5M
495,575 sh across 2 lots
Exec Jun 12
Filed Jun 15 · 5:30 PM ET
AISALE C3.ai, Inc. View filing → $196K
17,350 sh × $11.32
Exec Jun 2
Filed Jun 3 · 5:30 PM ET
More filings →