---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-22-017235"
form_type: "8-K"
ticker: "PI"
cik: "0001114995"
company_name: "IMPINJ INC"
filed_at: "2022-08-15T23:59:59+00:00"
generated_at: "2026-06-23T23:43:13.558978+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Impinj board reduces stockholder vote threshold to amend bylaws from 66 2/3% to majority

## Summary
- Amendment permits stockholders to amend bylaws by a majority of votes cast, down from 66 2/3%.
- Change approved by Board on August 10, 2022, effective immediately.
- No other changes to the Amended and Restated Bylaws were made.

## SEC filing metadata
- accession: 0000950170-22-017235
- form_type: 8-K
- ticker: PI
- cik: 0001114995
- company_name: IMPINJ INC
- filed_at: 2022-08-15T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1114995/000095017022017235/0000950170-22-017235-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1114995/000095017022017235/pi-20220810.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-22-017235
- JSON: https://secwatch.observer/filing/0000950170-22-017235.json
- Plain text: https://secwatch.observer/filing/0000950170-22-017235.txt

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