$PI

WASHINGTON MIRON sold $139K of PI

WASHINGTON MIRON sold 800 shares of IMPINJ INC (PI) at $173.26 ($0.14M total) on 2026-09-15.

Original reporting
SEC EDGAR · WASHINGTON MIRON
Published Sep 16, 2026, 8:31 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 16, 2026, 8:36 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
$PI
Neutral
high confidence
Mentioned
$PI
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$PINeutralLow
01

Why it matters

The transaction is a routine insider sale with limited market effect.

02

Market read

Routine insider sale; low trading relevance.

03

What to watch

Potential upcoming product announcements or earnings could change the relevance of this sale.

Relevance 4/10Novelty 4/10Timing: post‑market 2026‑09‑15

Background

SEC Form 4 filing discloses insider transactions; required to be reported promptly.

Company-level read

Ticker impact

$PINeutralHigh confidence
Context

Director Washington Miron sold 800 shares of Impinj at $173.26, total $138,608 on 2026-09-15.

Expected impact

No significant price impact; at most a few basis points downward pressure.

Evidence & confidence

The sale size is small relative to total float and insider holdings; market typically ignores such routine transactions.

Market effects

No broader sector impact; Impinj operates in RFID/IoT hardware.

None

Minimal

Counterpoint

If insider selling signals concerns, a short position could be considered, but evidence is weak.

Key entities

  • Impinj Inc

    NASDAQ‑listed RFID and IoT solutions provider.

  • Washington Miron

    Director of Impinj who sold shares.

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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