---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-163990"
form_type: "8-K"
ticker: "IMA"
cik: "0001835579"
company_name: "ImageneBio, Inc."
filed_at: "2025-07-24T23:59:59+00:00"
generated_at: "2026-05-18T02:33:05.585696+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Ikena Oncology to effect 1-for-12 reverse stock split, rename to ImageneBio, ticker IMA

## Summary
- 1-for-12 reverse stock split effective July 28, 2025; shares outstanding drop from ~48.2M to ~4M.
- Company will rename ImageneBio, Inc., trade under ticker "IMA" on Nasdaq, new CUSIP 45175G207.
- No fractional shares; cash paid based on July 24 closing price multiplied by fractional share.
- Exercise prices and shares underlying equity awards will be proportionally adjusted; par value unchanged.
- Stockholders in book-entry or brokerage accounts need no action; beneficial holders contact broker.

## SEC filing metadata
- accession: 0001193125-25-163990
- form_type: 8-K
- ticker: IMA
- cik: 0001835579
- company_name: ImageneBio, Inc.
- filed_at: 2025-07-24T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1835579/000119312525163990/0001193125-25-163990-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1835579/000119312525163990/d21564d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-163990
- JSON: https://secwatch.observer/filing/0001193125-25-163990.json
- Plain text: https://secwatch.observer/filing/0001193125-25-163990.txt

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