---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-003634"
form_type: "8-K"
ticker: "CATX"
cik: "0000728387"
company_name: "Perspective Therapeutics, Inc."
filed_at: "2023-02-16T23:59:59+00:00"
generated_at: "2026-06-19T09:53:54.599716+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Isoray changes name to Perspective Therapeutics, Inc. effective Feb 14, 2023

## Summary
- Amended and Restated Certificate of Incorporation filed Feb 14, 2023, changing name from Isoray to Perspective Therapeutics.
- No stockholder vote was required under Delaware law; stockholder rights unaffected.
- Amended and Restated Bylaws also adopted to reflect the name change only.
- Trading symbol remains ISR on NYSE American.
- Copies of amended charter and bylaws filed as Exhibits 3.1 and 3.2.

## SEC filing metadata
- accession: 0001437749-23-003634
- form_type: 8-K
- ticker: CATX
- cik: 0000728387
- company_name: Perspective Therapeutics, Inc.
- filed_at: 2023-02-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/728387/000143774923003634/0001437749-23-003634-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/728387/000143774923003634/isr20230215b_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-003634
- JSON: https://secwatch.observer/filing/0001437749-23-003634.json
- Plain text: https://secwatch.observer/filing/0001437749-23-003634.txt

## Key facts
- Governance Changes
  Perspective Therapeutics, Inc.: Name change of the registrant from Isoray, Inc. to Perspective Therapeutics, Inc. via amended and restated certificate of incorporation and bylaws; no substantive change other than name per filing (effective 2023-02-14).
  - Change: bylaw amendment
  - Effective: 2023-02-14
  source text: The only substantive change to the Company’s Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws is the change of the Company’s corporate name from Isoray, Inc. to Perspective Therapeutics, Inc.
  evidence_url: https://www.sec.gov/Archives/edgar/data/728387/000143774923003634/0001437749-23-003634-index.htm

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