---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-321745"
form_type: "8-K"
ticker: "PI"
cik: "0001114995"
company_name: "IMPINJ INC"
filed_at: "2021-11-05T23:59:59+00:00"
generated_at: "2026-06-28T11:54:49.840193+00:00"
event_type: "debt"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Impinj prices $250M convertible notes at 1.125%, uses proceeds to repurchase existing 2026 notes

## Summary
- $250M principal of 1.125% Convertible Senior Notes due 2027, upsized from $225M; initial conversion price ~$111.04/share (42.5% premium).
- Net proceeds ~$278.3M after full exercise of initial purchasers' option; used ~$184.2M to repurchase $76.4M of 2.00% 2026 notes.
- Notes convertible under certain conditions; interest payable semi-annually; cannot be redeemed before Nov 20, 2024.
- Following repurchase, only ~$9.8M of 2026 notes remain outstanding; remainder of proceeds for general corporate purposes.

## SEC filing metadata
- accession: 0001193125-21-321745
- form_type: 8-K
- ticker: PI
- cik: 0001114995
- company_name: IMPINJ INC
- filed_at: 2021-11-05T23:59:59+00:00
- event_type: debt
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1114995/000119312521321745/0001193125-21-321745-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1114995/000119312521321745/d254542d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-321745
- JSON: https://secwatch.observer/filing/0001193125-21-321745.json
- Plain text: https://secwatch.observer/filing/0001193125-21-321745.txt

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