---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-112468"
form_type: "8-K"
ticker: "PI"
cik: "0001114995"
company_name: "IMPINJ INC"
filed_at: "2025-09-02T23:59:59+00:00"
generated_at: "2026-05-17T08:44:13.511247+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Impinj proposes $150M convertible notes offering (up to $175M) for 2027 note exchange

## Summary
- Proposed offering of $150M aggregate principal amount of Convertible Senior Notes due 2029, with option for additional $25M.
- Notes will be senior unsecured obligations, convertible into cash, Impinj common stock, or combination at Impinj's election.
- Net proceeds used to exchange a portion of outstanding 1.125% Convertible Senior Notes due 2027 for cash and common stock.
- Impinj expects to enter capped call transactions to reduce potential dilution upon conversion, subject to cap.
- Option counterparties may engage in derivative and stock transactions affecting market price of common stock and notes.

## SEC filing metadata
- accession: 0000950170-25-112468
- form_type: 8-K
- ticker: PI
- cik: 0001114995
- company_name: IMPINJ INC
- filed_at: 2025-09-02T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1114995/000095017025112468/0000950170-25-112468-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1114995/000095017025112468/pi-20250902.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-112468
- JSON: https://secwatch.observer/filing/0000950170-25-112468.json
- Plain text: https://secwatch.observer/filing/0000950170-25-112468.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.