MATZ MARILYN sold $273K of TER

MATZ MARILYN sold 800 shares of TERADYNE, INC (TER) at $341.28 ($0.27M total) on 2026-10-15 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · MATZ MARILYN
Published Oct 19, 2026, 3:35 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 19, 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.
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 director's sale is modest relative to total holdings and may not materially affect price, but signals a willingness to sell.

02

Market read

Insider sales are monitored by traders; this filing provides fresh data for risk assessment.

03

What to watch

Potential upcoming corporate actions or personal liquidity needs not disclosed.

Relevance 3/10Novelty 3/10Timing: post-market today

Background

SEC Form 4 filing discloses insider transactions; such filings are required to be reported within two business days.

Company-level read

Ticker impact

$TERNeutralHigh confidence
Context

Director Marilyn Matz sold 800 TER shares for $273,024 via a 10b5-1 plan, reducing her holding to 13,041 shares.

Expected impact

likely slight downward pressure as the market prices the director's sale.

Evidence & confidence

Form 4 filings are primary source; the sale size is modest but indicates insider willingness to liquidate.

Market effects

Minimal impact on the broader semiconductor equipment sector.

No significant regional effect.

Limited to investors tracking insider activity.

Counterpoint

The sale could be routine portfolio rebalancing, not a negative signal.

Key entities

  • Teradyne, Inc.

    Manufacturer of automatic test equipment.

  • Marilyn Matz

    Director of Teradyne.

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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