---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-024616"
form_type: "8-K"
ticker: "ALMS"
cik: "0001847367"
company_name: "ALUMIS INC."
filed_at: "2025-03-18T23:59:59+00:00"
generated_at: "2026-05-24T14:33:46.711845+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "low"
source: SEC EDGAR
---

# Alumis and ACELYRIN release merger presentation update (limited details)

## Summary
- Alumis and ACELYRIN released an updated merger presentation on March 18, 2025 (original announcement Feb 6, 2025).
- No specific financial terms or changes disclosed in the 8-K filing; presentation content not fully available in this extract.
- The presentation is intended to provide supplemental materials for shareholders evaluating the merger.

## SEC filing metadata
- accession: 0001104659-25-024616
- form_type: 8-K
- ticker: ALMS
- cik: 0001847367
- company_name: ALUMIS INC.
- filed_at: 2025-03-18T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: low
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1847367/000110465925024616/0001104659-25-024616-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1847367/000110465925024616/tm259246d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-024616
- JSON: https://secwatch.observer/filing/0001104659-25-024616.json
- Plain text: https://secwatch.observer/filing/0001104659-25-024616.txt

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