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SEC EDGARJUN 162 min read$AI

SIEBEL THOMAS M sold $5.5M of AI

SIEBEL THOMAS M (CEO and Chairman of the Board) sold 495,575 shares of C3.ai, Inc. (AI) at an average of $11.10 ($10.92–$11.11, $5.50M total) across 2 trades over 2026-06-12 to 2026-06-15 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · SIEBEL THOMAS M
Published Jun 16, 2026, 12:04 AM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Jun 16, 2026, 12:34 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

The newest information is the disclosed sale size, execution window, and weighted-average price, plus confirmation it was under a pre-arranged 10b5-1 plan.

02

Market read

Provides a concrete insider-selling datapoint for AI, but the 10b5-1 structure suggests limited fundamental signal.

03

What to watch

Traders may over-weight insider sales; the article lacks any accompanying fundamental update (earnings, guidance, contracts) that would justify repricing.

Relevance 5/10Novelty 5/10Timing: Filed 2026-06-15 after trades dated 2026-06-12 to 2026-06-15

Background

The filing is an SEC Form 4 insider transaction for C3.ai, Inc. (AI) by CEO/Chairman Thomas M. Siebel.

Company-level read

Ticker impact

$AINeutralMedium confidence
Context

C3.ai CEO/Chairman Thomas M. Siebel sold 495,575 shares in open-market trades at ~$10.92–$11.11 under a 10b5-1 plan.

Expected impact

Likely limited near-term impact; any effect is more about sentiment/positioning than fundamentals.

Evidence & confidence

Form 4 provides concrete transaction details, yet the article specifies the sales were executed under a pre-arranged 10b5-1 plan, which typically dampens interpretability versus discretionary selling.

Market effects

Sector

Adds incremental sentiment data for AI software/enterprise AI names, but no sector-wide catalyst is introduced.

Regional

No clear regional linkage beyond US-listed insider activity.

Global

No direct global linkage; transaction is company-specific and US-listed.

Counterpoint

What could challenge this read

Because the sales were executed under a pre-arranged 10b5-1 plan, the disclosure may reflect routine liquidity rather than bearish expectations.

Key entities

  • issuer
    C3.ai, Inc.

    US-listed AI software company; subject of the insider Form 4 disclosure.

  • insider
    Thomas M. Siebel

    CEO and Chairman; 10% owner who sold shares in open-market trades under a 10b5-1 plan.

Read at source← All news

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