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SEC EDGARMAY 262 min read$TER

MATZ MARILYN sold $140K of TER

MATZ MARILYN sold 400 shares of TERADYNE, INC (TER) at $350.00 ($0.14M total) on 2026-05-21 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · MATZ MARILYN
Published May 26, 2026, 4:00 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 6, 2026, 5:30 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.
About alphai AI DeskScoring methodologyReport an issue
alphai market briefInsider activity
Primary signal
$TER
Neutral
high confidence
Mentioned
$TER
Relevance
3/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$TERNeutralLow
01

Why it matters

The newest disclosed fact is the open-market sale of 400 shares at $350/share on 2026-05-21, reported via a pre-arranged 10b5-1 plan.

02

Market read

Traders may note the insider sale for sentiment, but the 10b5-1 framing and modest size reduce expected fundamental impact.

03

What to watch

The article provides no information on whether other insiders sold/bought around the same period, nor any change in overall insider activity beyond this single director transaction.

Relevance 3/10Novelty 3/10Timing: filed 2026-05-26, transaction dated 2026-05-21

Background

The article is a SEC Form 4 insider transaction disclosure for Teradyne, Inc. (TER) by director Matz Marilyn.

Company-level read

Ticker impact

$TERNeutralHigh confidence
Context

Teradyne director Matz Marilyn sold 400 shares at $350/share under a pre-arranged 10b5-1 plan, totaling $140,000.

Expected impact

Likely minimal price impact; any reaction should fade unless accompanied by other company-specific news.

Evidence & confidence

The filing is a Form 4 insider transaction with a stated pre-arranged 10b5-1 plan, and the disclosed sale size is modest relative to a large-cap’s typical trading flow.

Market effects

Sector

No direct sector read-through; this is an individual insider sale rather than a company guidance or operational change.

Regional

None indicated.

Global

None indicated.

Counterpoint

What could challenge this read

Even with a 10b5-1 plan, repeated insider selling can reflect personal liquidity needs or risk management rather than bearish fundamentals, so the market may overreact.

Key entities

  • issuer
    Teradyne, Inc.

    US-listed semiconductor test equipment company subject of the Form 4 insider transaction.

  • insider
    Matz Marilyn

    Director who executed an open-market sale under a pre-arranged 10b5-1 plan.

Read at source← All news

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