$PDFS

Zhang Shuo sold $77K of PDFS

Zhang Shuo sold 1,501 shares of PDF SOLUTIONS INC (PDFS) at $51.47 on 2026-08-12.

Original reporting
SEC EDGAR · Zhang Shuo
Published Aug 13, 2026, 1:32 AM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 13, 2026, 2:02 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.
alphai market briefInsider activity
Primary signal
$PDFS
Neutral
medium confidence
Mentioned
$PDFS
Relevance
3/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$PDFSNeutralLow
01

Why it matters

The newest fact is the open-market sale of 1,501 shares at $51.47 on 2026-08-12, with holdings after the trade of 23,380 shares and no disclosed 10b5-1 plan.

02

Market read

Traders may note the insider selling activity, but there is no accompanying fundamental or regulatory catalyst in the text.

03

What to watch

The article does not state whether other insiders bought/sold, whether there were concurrent corporate events, or whether the sale size is meaningful relative to holdings beyond the post-transaction balance.

Relevance 3/10Novelty 3/10Timing: filed on 2026-08-12 after-hours; sale dated 2026-08-12

Background

This is an SEC Form 4 insider transaction disclosure for PDF Solutions Inc, reported by director Zhang Shuo.

Company-level read

Ticker impact

$PDFSNeutralMedium confidence
Context

PDF Solutions director Zhang Shuo sold 1,501 shares in an open-market transaction on 2026-08-12 at $51.47.

Expected impact

Likely limited near-term impact; any effect should be small and sentiment-driven.

Evidence & confidence

The filing is a disclosed insider sale (not a buy), but the article provides no accompanying company news, guidance, or enforcement action. The absence of a 10b5-1 plan can raise attention, yet insider sales are often non-informational.

Market effects

No clear sector read-through from a single insider sale without additional company or industry developments.

None indicated.

None indicated.

Counterpoint

The sale could be driven by diversification, taxes, or pre-existing personal liquidity needs, so it may not signal reduced confidence.

Key entities

  • PDF Solutions Inc

    Subject of the Form 4 insider transaction disclosure.

  • Zhang Shuo

    Director who reported the open-market sale.

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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