---
schema_version: "secwatch.filing_event.v1"
accession: "0001683168-23-000098"
form_type: "8-K"
ticker: "PHIO"
cik: "0001533040"
company_name: "Phio Pharmaceuticals Corp."
filed_at: "2023-01-06T23:59:59+00:00"
generated_at: "2026-06-20T18:46:15.094320+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Phio Pharmaceuticals stockholders approve reverse stock split; ratio up to 1:25

## Summary
- Stockholders approved reverse stock split at ratio between 1:2 and 1:25; board to set exact ratio and effective date.
- Vote results: 19,728,800 For, 4,120,599 Against, 150,982 Abstain.
- Special meeting held January 4, 2023; record date November 17, 2022.
- Company also posted updated investor presentation on its website on January 6, 2023.

## SEC filing metadata
- accession: 0001683168-23-000098
- form_type: 8-K
- ticker: PHIO
- cik: 0001533040
- company_name: Phio Pharmaceuticals Corp.
- filed_at: 2023-01-06T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.07, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1533040/000168316823000098/0001683168-23-000098-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1533040/000168316823000098/phio_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001683168-23-000098
- JSON: https://secwatch.observer/filing/0001683168-23-000098.json
- Plain text: https://secwatch.observer/filing/0001683168-23-000098.txt

## Key facts
- Shareholder Votes
  Phio Pharmaceuticals Corp. shareholders approved Approval of an amendment to the Company’s Amended and Restated Certificate of Incorporation to effect a reverse stock split at a ratio between 1-for-2 and 1-for-25 at the 2023-01-04 meeting.
  - Proposal: reverse split
  - Outcome: passed
  - Meeting: 2023-01-04
  source text: The Reverse Stock Split Proposal submitted to a vote of the Company’s stockholders at the Special Meeting was approved.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1533040/000168316823000098/0001683168-23-000098-index.htm

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