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SEC EDGARJUL 162 min read$AI

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.

Original reporting
SEC EDGAR · SIEBEL THOMAS M
Published Jul 16, 2026, 4:00 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 6, 2026, 8:17 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.
About alphai AI DeskScoring methodologyReport an issue
alphai market briefInsider activity
Primary signal
$AI
Neutral
medium confidence
Mentioned
$AI
Relevance
5/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$AINeutralLow
01

Why it matters

Insider sales can influence sentiment, but 10b5-1 pre-arranged plans typically reduce interpretability as new negative information.

02

Market read

A disclosed insider sale of about $4.24M under a 10b5-1 plan is unlikely to drive a major repricing by itself.

03

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.

Relevance 5/10Novelty 3/10Timing: Filed on 2026-07-16 for sales executed 2026-07-14 to 2026-07-15.

Background

The article is an SEC Form 4 insider transaction disclosure for C3.ai, Inc. (AI).

Company-level read

Ticker impact

$AINeutralMedium confidence
Context

C3.ai CEO and Chairman sold 462,565 shares in open-market trades for about $4.24M under a pre-arranged 10b5-1 plan.

Expected impact

Likely limited, short-lived impact unless accompanied by other company-specific news.

Evidence & confidence

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

Sector

No clear sector read-through; this is company-specific insider activity.

Regional

None indicated.

Global

None indicated.

Counterpoint

What could challenge this read

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

  • issuer
    C3.ai, Inc.

    Subject of the Form 4 insider sale by its CEO and Chairman.

  • insider
    SIEBEL THOMAS M

    CEO and Chairman of the Board who sold shares under a 10b5-1 plan.

Read at source← All news

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.

AI insider trading history →

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