PLUMMER JAMES D sold $576K of CDNS (indirect holdings)

PLUMMER JAMES D sold 1,511 indirectly-held shares of CADENCE DESIGN SYSTEMS INC (CDNS) at $381.34 ($0.58M total) on 2026-06-11 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · PLUMMER JAMES D
Published Jun 15, 2026, 10:33 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jun 15, 2026, 10:37 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
$CDNS
Neutral
high confidence
Mentioned
$CDNS
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$CDNSNeutralLow
01

Why it matters

The newest fact is the director’s open-market sale details (shares, price, total value) executed under a pre-arranged 10b5-1 plan; no new company performance or guidance is provided.

02

Market read

This is primarily sentiment/positioning noise rather than a catalyst; it may slightly influence short-term perception but lacks fundamental triggers.

03

What to watch

Indirect holdings and 10b5-1 structure reduce interpretability; traders should avoid treating this as a directional fundamental signal without corroborating news.

Relevance 4/10Novelty 5/10Timing: Filed June 15; transaction dated June 11

Background

The article is an SEC Form 4 insider transaction disclosure for Cadence Design Systems (CDNS).

Company-level read

Ticker impact

$CDNSNeutralHigh confidence
Context

Cadence Design Systems disclosed an insider open-market sale of 1,511 shares at $381.34 under a pre-arranged 10b5-1 plan.

Expected impact

Low likelihood of a sustained price move; any reaction is likely muted and short-lived.

Evidence & confidence

The filing is a Form 4 insider transaction with a stated pre-arranged 10b5-1 plan, and it does not include new operating, guidance, or regulatory information.

Market effects

Minimal; insider selling in a single software name rarely changes sector risk premia without accompanying fundamentals.

None indicated.

None indicated.

Counterpoint

A director’s sale can still reflect private views on valuation or liquidity needs, even if executed under 10b5-1.

Key entities

  • Cadence Design Systems, Inc.

    Subject of the Form 4 insider transaction disclosure (CDNS).

  • Plummer James D

    Director who sold 1,511 shares indirectly under a pre-arranged 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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