---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-007019"
form_type: "8-K"
ticker: "MRKR"
cik: "0001094038"
company_name: "Marker Therapeutics, Inc."
filed_at: "2023-01-26T23:59:59+00:00"
generated_at: "2026-06-20T07:49:04.317836+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Marker Therapeutics files amendment for 1-for-10 reverse stock split and authorized share reduction

## Summary
- Filed Certificate of Amendment on January 26, 2023, effective 5:00 p.m. ET that day.
- Reverse stock split combines every 10 shares into 1, with no fractional shares issued.
- Authorized shares reduced from 300,000,000 to 30,000,000 at same par value of $0.001.
- Common stock will begin trading on Nasdaq Capital Market on a split-adjusted basis on January 27, 2023.
- Adjustments made to all outstanding stock options, warrants, and equity compensation reserves.

## SEC filing metadata
- accession: 0001104659-23-007019
- form_type: 8-K
- ticker: MRKR
- cik: 0001094038
- company_name: Marker Therapeutics, Inc.
- filed_at: 2023-01-26T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1094038/000110465923007019/0001104659-23-007019-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1094038/000110465923007019/tm234466d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-007019
- JSON: https://secwatch.observer/filing/0001104659-23-007019.json
- Plain text: https://secwatch.observer/filing/0001104659-23-007019.txt

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