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Insider Cluster (2 insiders) ·Filed Sep 21, 2026

PI

IMPINJ INC
BEARISH
Impact 5/10
Horizondays Processed1mo ago
Insider cluster: 2 insiders, $1.8M total
Actionable Insight ▼ Bearish

The CFO's $1.65M open-market sale is the key signal. Monitor for any upcoming earnings pre-announcement or material change in business outlook that could have prompted the sale. The absence of any insider buying reinforces a cautious read.

DirectionBearish
Confidencemedium
Horizondays
Latest settled — T+20d
PI ▼ -2.15% at T+20d
SHORT call ✓ call won +2.15% · α vs SPY +1.59% · entry $181.75 → $177.84
Next anchor: T+60d in 7w
Latest observation: T+23 +11.78% FF3 residual α
Entry = T+0 close
Sep 21, 2026
via day close
T+1d
-2.50%
call +2.50% · α +1.78%
$177.20
settled 5w ago
T+5d
-2.92%
call +2.92% · α +1.73%
$176.45
settled 29d ago
T+20d
-2.15%
call +2.15% · α +1.59%
$177.84
settled 8d ago
T+60d
Pending
in 7w

Price Chart

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Executive Summary

Two Impinj insiders, including the CFO, sold a combined $1.78M in open-market sales over a one-week window. The CFO's $1.65M sale is the dominant event, representing a material disposition by a top executive. Director Miron's smaller sale adds to the cluster but is routine in size.

Key Financial Metrics

Direction
selling
Total Value
$1.8M
Insiders
2

Key Facts

  • CFO Cary Baker sold 8,900 shares at ~$185.00 for total proceeds of $1.65M on 2026-09-21.
  • Director Miron Washington sold 800 shares at $173.26 for $138,608 on 2026-09-15.
  • Total insider sales in the cluster: $1.78M.
  • No insider purchases were reported in the cluster window.

Financial Impact

Total insider sales of $1.78M represent approximately 0.5% of market cap, a modest but notable amount.

insider ownership

Risk Factors

  • CFO sale may signal internal concerns about near-term financial performance or valuation.
  • Insider selling could weigh on investor sentiment and stock price in the short term.
  • No offsetting insider purchases to signal confidence.

Investment Themes

Software & IT

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-PI-1790027490251
5 reports for PI
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for PI — sortable, filterable
TypeNow
Sep 21, 2026
5w ago
Insider Cluster
BEARISH ★ 5/10
$181.75 $177.84▲ +2.15%▲ +1.59%$172.23 (+5.24%)
Sep 10, 2026
6w ago
8-K
BULLISH ★ 6/10
$176.82 $189.63▲ +7.24%▲ +5.38%$172.23 (−2.60%)
Jun 12, 2026
19w ago
Institutional Cluster
MIXED ★ 5/10
$132.77 $144.03▲ +8.48%▲ +6.70%$172.23 (+29.72%)
Jun 11, 2026
19w ago
Institutional Cluster
NEUTRAL ★ 3/10
$130.08 $144.40▲ +11.01%▲ +9.12%$172.23 (+32.40%)
Apr 29, 2026
25w ago
8-K
NEUTRAL ★ 5/10
$144.92 $156.88▲ +8.25%▲ +3.29%$172.23 (+18.84%)
Showing 5 of 5

US Market Status

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Report published Sep 21, 2026