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SEC EDGARSEP 181 min read$TER

MATZ MARILYN sold $140K of TER

MATZ MARILYN sold 400 shares of TERADYNE, INC (TER) at $351.11 ($0.14M total) on 2026-09-17 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · MATZ MARILYN
Published Sep 18, 2026, 3:38 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 18, 2026, 3:40 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
Bearish
medium confidence
Mentioned
$TER
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$TERBearishLow
01

Why it matters

The disclosed sale provides fresh data on insider sentiment for Teradyne.

02

Market read

Small insider sale; limited immediate market impact but useful for monitoring insider activity.

03

What to watch

The director retains a sizable holding, indicating continued confidence.

Relevance 3/10Novelty 4/10Timing: filing date 2026-09-18

Background

Form 4 filing discloses insider transactions required by SEC regulations.

Company-level read

Ticker impact

$TERBearishMedium confidence
Context

Director Marilyn Matz sold 400 shares for $140,444 via a 10b5‑1 plan, reducing her stake to 13,841 shares.

Expected impact

Possible modest downward pressure in the near term.

Evidence & confidence

Sale size is modest relative to market cap, but director involvement adds weight.

Market effects

Sector

Minimal impact on semiconductor equipment sector.

Regional

None

Global

Low

Counterpoint

What could challenge this read

Insider sale could be routine portfolio management, not a negative signal.

Key entities

  • Director
    Marilyn Matz

    Director of Teradyne who sold shares.

  • Company
    Teradyne, Inc.

    Manufacturer of automatic test equipment.

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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