SEC Form 4 Summary AI

C3.ai CEO Thomas M. Siebel reports $5.05 million in share sales

C3.ai (AI) CEO Thomas M. Siebel sold 426,655 shares for $5,054,669.74 in two transactions.

Transaction Value:
$5,054,669.74
Shares transacted:
426,655
Average price:
$11.85
Insider:

The Form 4 filing, an SEC report of insider stock trades, was filed on November 12, 2026. The trades took place November 10–11. Thomas M. Siebel is CEO and board chairman of C3.ai (AI).

Transaction details

Transaction
Date of Earliest Transaction2026-11-10
Date of Latest Transaction2026-11-11
Buy/Sellsell
Transaction Count2
Shares Transacted426,655
Price$11.85
Total Transaction Value$5,054,669.74
Insider
Ticker SymbolAI
CompanyC3.ai, Inc.
Insider NameSIEBEL THOMAS M
Insider TitleCEO and Chairman of the Board
Sector - IndustryTechnology - Software - Infrastructure
Holdings
Total Shares Owned After Transaction722,362
Position Size Change37.13%
Filing
Filing Date2026-11-12
SEC LinkView filing

FAQ

What type of transaction is this?

The two transactions were share sales, reported with transaction code S. The available information also points to a related exercise or conversion, explained below.

What was the average price of the transaction?

The average sale price was $11.85 per share, rounded to the nearest cent across the two transactions.

How did this transaction affect the insider's holdings?

After selling 426,655 shares, Thomas M. Siebel reported owning 722,362 shares. The shares sold represented 37.13% of his reported shares owned before the sales.

What's the total transaction value?

The total reported sale value was $5,054,669.74 across the two transactions.

Are there any special circumstances around this transaction?

The filing information includes a Rule 10b5-1 reference. These trading plans set instructions in advance. The footnote text is unavailable, so it is unclear which sales the reference covers. The reference alone does not establish that the trades met the rule's legal requirements.

The sale information also points to an M-coded exercise or conversion with a matching share count in the same filing. An exercise uses an existing right to receive shares. A conversion exchanges another security for shares. The separate M-coded transaction details are unavailable. A matching share count alone does not confirm that the exact shares received were sold or that both steps happened on the same day.

For research purposes only; not investment advice.

Follow the Newswire
Feedly RSS feed
About RSS

Get new articles in your feed reader as they are published. Add our RSS feed to Feedly or another RSS reader.

Instant SEC Form 4 alerts

Get the next insider trade alert in real time.

Follow the filings behind the headlines. Get matching insider trade alerts sent straight to your email or Telegram, with links to the original SEC filings. Choose Premium for instant alert delivery and ticker-level filters.

Try instant alerts free 10 trading days · No credit card required

Pricing

Free Trial

10 trading days
$0

Explore every Premium feature before you pay.

  • Full platform access
  • 10 trading days
  • No credit card required
  • 20 years of alert history
  • Live alert directory updates
Start your free trial

Standard Monthly

Scheduled
$19.99 / month

Scheduled alerts with complete trade context.

  • Email and Telegram delivery
  • Alert intervals from every sixty minutes to once daily
  • Filter by insider title, buy/sell, transaction value, DRIP, ESPP, 10b5-1, and tax liability coverage transfers
  • Highlighted cluster transactions and SEC filing links
  • Access to the alert directory hourly refreshes
Choose Standard Monthly

Premium Monthly

Recommended
$29.99 / month

Fastest alerts with ticker-level control.

Choose Premium Monthly
Student discount: Customers who sign up with a verified .edu email address receive 50% off for the first four years. On monthly plans, the first month is the full 75% off.
Alerts are based on public SEC filings and are provided for informational purposes only; they do not constitute financial advice.