$PUBM

Pantelick Steven sold $724K of PUBM

Pantelick Steven (CHIEF FINANCIAL OFFICER) sold 41,919 shares of PubMatic, Inc. (PUBM) at an average of $17.28 ($17.25–$17.31, $0.72M total) across 2 trades over 2026-08-12 to 2026-08-13 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Pantelick Steven
Published Aug 14, 2026, 8:35 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 14, 2026, 9:05 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
high confidence
Mentioned
$PUBM
Relevance
4/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$PUBMNeutralLow
01

Why it matters

The newest concrete fact is the disclosed sale size, price range, and post-transaction holdings; it does not include any new company fundamentals.

02

Market read

Traders may monitor insider activity for sentiment, but this specific disclosure is unlikely to drive a major repricing without additional fundamental news.

03

What to watch

The filing does not disclose reasons for the sale, and the net effect depends on whether other insiders or the company also show offsetting buying, which is not provided here.

Relevance 4/10Novelty 3/10Timing: filed 2026-08-14, covering sales on 2026-08-12 to 2026-08-13

Background

This is an SEC Form 4 insider transaction by PubMatic CFO Steven Pantelick, reported as an open-market sale under a pre-arranged 10b5-1 plan.

Company-level read

Ticker impact

$PUBMNeutralHigh confidence
Context

PubMatic CFO Steven Pantelick sold 41,919 shares in open-market transactions under a pre-arranged 10b5-1 plan, totaling about $724K.

Expected impact

Likely limited near-term impact; any effect would be incremental and sentiment-driven rather than a re-rating catalyst.

Evidence & confidence

Form 4 details an open-market sale by an officer under a 10b5-1 plan, with no accompanying guidance, deal, or regulatory development in the text.

Market effects

Minimal, as this is a single-company insider sale without sector-wide regulatory or demand signals.

None indicated.

None indicated.

Counterpoint

10b5-1 sales often reflect scheduled liquidity needs rather than bearish expectations, so the market may ignore it.

Key entities

  • PubMatic, Inc.

    Subject of the Form 4 insider transaction; CFO Steven Pantelick sold shares totaling about $724K.

  • Steven Pantelick

    Chief Financial Officer who executed the open-market sales 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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