SIEBEL THOMAS M bought AI
August 11, 2026 · Form 4 insider transaction
SIEBEL THOMAS M bought 453,314 shares of C3.ai, Inc. at $3.90 per share, a transaction worth $1.77M. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
453,314
Price
$3.90
Total value
$1.77M
InsiderSIEBEL THOMAS M
RoleOfficer, Director, 10% owner
CompanyC3.ai, Inc. (AI)
SecurityClass A Common Stock
Transaction codeM: Option exercise
Transaction dateAugust 11, 2026
Filing dateAugust 13, 2026
Shares owned after1,175,676
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
The transaction being reported was effected pursuant to a previously established Rule 10b5-1 trading plan dated September 20, 2024.