SEC EDGARSEP 162 min read$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.

About AlphAI AI Desk Scoring methodology Report an issue

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

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.

Market read

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

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

AI estimates · verify against primary disclosures

$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

Sector

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

Regional

None indicated.

Global

None indicated.

Counterpoint

What could challenge this read

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

issuer
C3.ai, Inc.
Subject of the Form 4 insider transaction; CEO and Chairman sold shares on 2026-09-14.
insider
SIEBEL THOMAS M
CEO and Chairman of the Board, reported open-market sale of 22,780 shares.

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