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SEC EDGARSEP 161 min read$TER

MATZ MARILYN sold $270K of TER

MATZ MARILYN sold 800 shares of TERADYNE, INC (TER) at $337.83 ($0.27M total) on 2026-09-15 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · MATZ MARILYN
Published Sep 16, 2026, 4:19 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 16, 2026, 4:52 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.
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 sale represents a routine liquidity event; no immediate strategic shift is indicated.

02

Market read

Insider sale is a standard disclosure with limited trading relevance.

03

What to watch

The 10b5-1 plan may be pre‑scheduled and not reflective of current sentiment.

Relevance 3/10Novelty 4/10Timing: filed 2026-09-16

Background

Form 4 disclosures provide transparent reporting of insider transactions, used by investors to gauge insider confidence.

Company-level read

Ticker impact

$TERNeutralHigh confidence
Context

Director Marilyn Matz sold 800 shares of Teradyne for $270,264 via a 10b5-1 plan, reducing her stake to 14,241 shares.

Expected impact

Minor downward pressure, unlikely to move the stock beyond normal volatility.

Evidence & confidence

Form 4 filings are primary sources; the amount sold is small for a director, so market reaction is expected to be muted.

Market effects

Sector

Minimal; Teradyne operates in industrial automation, and a single director sale does not affect sector outlook.

Regional

None

Global

None

Counterpoint

What could challenge this read

If the director is reducing exposure ahead of a negative catalyst, the sale could foreshadow downside.

Key entities

  • Company
    Teradyne, Inc.

    Manufacturer of test and industrial automation equipment.

  • Insider
    Marilyn Matz

    Director of Teradyne.

Read at source← All news

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.

TER insider trading history →

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