$AI

SIEBEL THOMAS M sold $174K of AI

SIEBEL THOMAS M (CEO and Chairman of the Board) sold 16,890 shares of C3.ai, Inc. (AI) at $10.30 ($0.17M total) on 2026-09-02.

Original reporting
SEC EDGAR · SIEBEL THOMAS M
Published Sep 3, 2026, 10:47 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 3, 2026, 11:32 PM 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
Bearish
medium confidence
Mentioned
$AI
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$AIBearishLow
01

Why it matters

A modest insider sell may prompt short sellers but is unlikely to move the stock significantly.

02

Market read

Primary insider sale news with modest materiality; relevant for short‑term traders monitoring insider activity.

03

What to watch

Siebel retains a large stake (738,208 shares) and the sale was pre‑arranged under a 10b5‑1 plan.

Relevance 4/10Novelty 6/10Timing: post‑market Sep 2 2026

Background

SEC Form 4 filing discloses insider transactions; this is the first public report of the sale.

Company-level read

Ticker impact

$AIBearishMedium confidence
Context

CEO Thomas Siebel sold 16,890 C3.ai shares for $173,967 on Sep 2, 2026.

Expected impact

Minor short-term downward pressure, likely within a few cents.

Evidence & confidence

Sale size is small relative to total float and holdings, but insider sales often attract short-term selling.

Market effects

Limited impact on the broader AI software sector; similar insider activity may be monitored.

No significant regional effect.

Low global relevance; primarily of interest to C3.ai investors.

Counterpoint

The sale could be routine liquidity planning rather than a lack of confidence.

Key entities

  • C3.ai, Inc.

    AI software provider listed on NYSE under ticker AI.

  • Thomas Siebel

    CEO and Chairman of C3.ai, 10% owner.

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.