SIEBEL THOMAS M sold $4.2M of AI
SIEBEL THOMAS M (CEO and Chairman of the Board) sold 462,565 shares of C3.ai, Inc. (AI) at an average of $9.18 ($9.07–$9.32, $4.24M total) across 3 trades over 2026-07-14 to 2026-07-15 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
Insider sales can influence sentiment, but 10b5-1 pre-arranged plans typically reduce interpretability as new negative information.
Market read
A disclosed insider sale of about $4.24M under a 10b5-1 plan is unlikely to drive a major repricing by itself.
What to watch
Traders may over-weight the sale without considering the CEO’s remaining holdings (722,362 shares after the transaction) and the multi-trade execution window.
Background
The article is an SEC Form 4 insider transaction disclosure for C3.ai, Inc. (AI).
Ticker impact
C3.ai CEO and Chairman sold 462,565 shares in open-market trades for about $4.24M under a pre-arranged 10b5-1 plan.
Likely limited, short-lived impact unless accompanied by other company-specific news.
Form 4 shows a pre-arranged 10b5-1 plan and a relatively small absolute value versus typical large-cap trading, which usually dampens signal strength.
Market effects
No clear sector read-through; this is company-specific insider activity.
None indicated.
None indicated.
Counterpoint
Because the trades were executed under a pre-arranged 10b5-1 plan, the sale may be purely planned liquidity rather than a bearish signal.
Key entities
- issuerC3.ai, Inc.
Subject of the Form 4 insider sale by its CEO and Chairman.
- insiderSIEBEL THOMAS M
CEO and Chairman of the Board who sold shares under a 10b5-1 plan.




