SIEBEL THOMAS M

PrivateCIK: 1031530
Location

REDWOOD CITY, CA

SIEBEL THOMAS M (Chief Executive Officer) sold 41.0% of their position (501.50K shares) of C3.AI, INC. on the open market

Open‑market sale worth $4.40M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderSIEBEL THOMAS MCIK 1031530
IssuerC3.AI, INC.CIK 1577526
DirectorOfficer10% Owner· Chief Executive Officer
Since Dec 2020
-501.50K
Net shares
Net seller
$4.40M
Total sold
2
Open market trades
0B · 2S
6
Total transactions
501.50K acquired · 1M disposed
Non-Derivative Transactions4

Class A Common Stock

Direct
M · Option Exercise

Shares

+282.20K

Price / share

$2.04

Trade value

$575.69K

% of position

39.1%
3/17/2026
722.36K1M

Class A Common Stock

Direct
S · Sale

Shares

282.20K

Price / share

$8.86

Trade value

$2.50M

% of position

28.1%
3/17/2026
1M722.36K

Class A Common Stock

Direct
M · Option Exercise

Shares

+219.29K

Price / share

$2.04

Trade value

$447.36K

% of position

30.4%
3/18/2026
722.36K941.66K

Class A Common Stock

Direct
S · Sale

Shares

219.29K

Price / share

$8.67

Trade value

$1.90M

% of position

23.3%
3/18/2026
941.66K722.36K
Total

Net shares

+0.00

Net value

-$3.38M

Derivative Transactions2

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Class A Common Stock

282.20K shares

Shares

282.20K

Strike price

2.04

Held after

1.99M

Exercisable

3/17/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Class A Common Stock

219.29K shares

Shares

219.29K

Strike price

2.04

Held after

1.77M

Exercisable

3/18/2026
Non-Derivative Holdings (Post-Transaction)5

Class A Common Stock

Indirect
Shares owned1.24M

Class A Common Stock

Indirect
Shares owned170.29K

Class A Common Stock

Indirect
Shares owned694.19K

Class A Common Stock

Indirect
Shares owned72.69K

Class A Common Stock

Indirect
Shares owned9.22K
Total
2.18M indirect2.18M
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
SIEBEL THOMAS M — Insider Transaction (Form 4) Filed Mar 19, 2026 | Finecho