$PUBM

Pantelick Steven sold $490K of PUBM

Pantelick Steven (CHIEF FINANCIAL OFFICER) sold 36,096 shares of PubMatic, Inc. (PUBM) at an average of $13.57 ($13.42–$13.65, $0.49M total) across 2 trades over 2026-07-02 to 2026-07-06 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Pantelick Steven
Published Jul 6, 2026, 10:24 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jul 6, 2026, 10:30 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
$PUBM
Neutral
medium confidence
Mentioned
$PUBM
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$PUBMNeutralLow
01

Why it matters

The newest fact is the CFO’s disclosed open-market sale amount, dates, and weighted-average prices; it may influence short-term sentiment but does not introduce new company fundamentals.

02

Market read

Traders may monitor insider activity, but the pre-arranged 10b5-1 structure generally reduces the informational content versus unscheduled sales.

03

What to watch

The article lacks context on total insider holdings, prior sale cadence, and whether the sale size is routine versus unusual; without that, sentiment impact is uncertain.

Relevance 3/10Novelty 5/10Timing: Form 4 filed 2026-07-06 after-hours (SEC EDGAR).

Background

The article is a SEC Form 4 insider transaction disclosure for PubMatic, Inc. (PUBM).

Company-level read

Ticker impact

$PUBMNeutralMedium confidence
Context

PubMatic CFO Steven Pantelick sold $489,731 of PUBM shares in two open-market trades under a 10b5-1 plan (Form 4 filed today).

Expected impact

Likely limited immediate price impact; any effect would be sentiment-driven rather than fundamental.

Evidence & confidence

The filing is a primary-source Form 4 disclosure, but the sale is explicitly under a pre-arranged 10b5-1 plan and the article provides no accompanying operational or guidance change.

Market effects

Minimal—this is company-specific insider trading disclosure with no sector-wide regulatory or earnings signal.

None indicated; US-listed tech/AdTech name with no broader macro linkage in the text.

None indicated; no international transaction or cross-border event described.

Counterpoint

Even with 10b5-1, repeated insider selling can still be interpreted by some traders as a mild negative signal about near-term risk or liquidity needs.

Key entities

  • PubMatic, Inc.

    Subject of the Form 4 insider transaction disclosure.

  • Steven Pantelick

    Chief Financial Officer who sold shares under a 10b5-1 plan.

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.

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