---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-113583"
form_type: "8-K"
ticker: "PI"
cik: "0001114995"
company_name: "IMPINJ INC"
filed_at: "2025-09-08T23:59:59+00:00"
generated_at: "2026-05-17T07:29:09.966216+00:00"
event_type: "debt"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Impinj issues $190M 0% convert due 2029, repurchases 2027 notes with cash and stock

## Summary
- Priced $190M 0% Convertible Senior Notes due 2029; initial conversion price $267.39/share (37.5% premium).
- Net proceeds ~$183.6M; together with cash, used to exchange $190M of 1.125% 2027 Notes.
- Exchanged $190M 2027 Notes for ~$190.5M cash + 0.8M shares; $97.5M of 2027 Notes remain outstanding.
- Entered capped call transactions to reduce dilution; cap price $340.32/share (75% premium over last sale).
- Greenshoe exercised in full increasing size from $170M to $190M.

## SEC filing metadata
- accession: 0000950170-25-113583
- form_type: 8-K
- ticker: PI
- cik: 0001114995
- company_name: IMPINJ INC
- filed_at: 2025-09-08T23:59:59+00:00
- event_type: debt
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1114995/000095017025113583/0000950170-25-113583-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1114995/000095017025113583/pi-20250903.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-113583
- JSON: https://secwatch.observer/filing/0000950170-25-113583.json
- Plain text: https://secwatch.observer/filing/0000950170-25-113583.txt

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