$AI

SIEBEL THOMAS M sold $241K of AI

SIEBEL THOMAS M (CEO and Chairman of the Board) sold 22,780 shares of C3.ai, Inc. (AI) at $10.56 ($0.24M total) on 2026-09-14.

Original reporting
SEC EDGAR · SIEBEL THOMAS M
Published Sep 16, 2026, 12:02 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 16, 2026, 12:30 AM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$AI
Neutral
medium confidence
Mentioned
$AI
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$AINeutralLow
01

Why it matters

This provides a concrete, time-stamped insider selling datapoint. It can be used to gauge near-term sentiment, but it does not change fundamentals on its own.

02

Market read

Traders may briefly reassess sentiment around C3.ai due to CEO selling, but the disclosed value suggests limited fundamental impact.

03

What to watch

No 10b5-1 plan is cited, so traders may over-interpret; also, the dollar amount is relatively small, limiting signal strength.

Relevance 4/10Novelty 5/10Timing: Form 4 filed 2026-09-15, covering sale executed 2026-09-14.

Background

The article is an SEC Form 4 insider transaction disclosure for C3.ai, Inc., reported by the CEO and Chairman.

Company-level read

Ticker impact

$AINeutralMedium confidence
Context

C3.ai CEO and Chairman sold 22,780 shares at $10.5600 on 2026-09-14, totaling $240,556.80, per Form 4.

Expected impact

Likely limited near-term price impact; any effect is more sentiment-driven than fundamental.

Evidence & confidence

The filing is a primary Form 4 disclosure, but the transaction value ($240.6k) is modest and there is no 10b5-1 plan stated, which reduces interpretability rather than increasing it.

Market effects

Minimal. Insider-sale headlines can slightly influence AI-software sentiment, but no sector-wide catalyst is disclosed.

None indicated.

None indicated.

Counterpoint

The sale may be routine liquidity management (taxes, diversification) and not a bearish signal, especially since the filing does not provide a clear motive.

Key entities

  • C3.ai, Inc.

    Subject of the Form 4 insider transaction; CEO and Chairman sold shares on 2026-09-14.

  • SIEBEL THOMAS M

    CEO and Chairman of the Board, reported open-market sale of 22,780 shares.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

Related articles

$AIHigh

Why is C3.ai stock surging today?

C3.ai stock rose 8.9% after Northland Securities upgraded it to Outperform and raised its price target to $16, citing the C3 Code platform as a growth driver. UBS noted improving fundamentals, including a doubling of federal bookings to $39 million. The move was driven by company-specific news, not broader market trends.

$AIMed

Why C3.ai (AI) Stock Is Up Today

C3.ai (AI) shares rose 4.4% premarket after Northland upgraded it to Outperform with a $16 price target, citing growth potential from its C3 Code platform. The company reported a 25% revenue decline in Q1. Analyst Mike Latimore highlighted customer engagement and operational stabilization under CEO Thomas Siebel. The stock is down 10.7% YTD and 36.6% below its 52-week high.