---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-002265"
form_type: "8-K"
ticker: "ALMS"
cik: "0001847367"
company_name: "ALUMIS INC."
filed_at: "2026-01-09T23:59:59+00:00"
generated_at: "2026-05-16T11:05:49.537377+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Alumis prices public offering of 17.65M shares at $17/sh for ~$345M gross; prelim cash $308.6M

## Summary
- Public offering of 17,650,000 shares at $17.00 per share; gross proceeds ~$345.1 million.
- Underwriters' option fully exercised on Jan 8, 2026 for additional 2,647,500 shares.
- Preliminary unaudited cash, equivalents and marketable securities as of Dec 31, 2025: ~$308.6 million.
- Closing expected Jan 9, 2026; led by Morgan Stanley, Leerink Partners and Cantor Fitzgerald.

## SEC filing metadata
- accession: 0001104659-26-002265
- form_type: 8-K
- ticker: ALMS
- cik: 0001847367
- company_name: ALUMIS INC.
- filed_at: 2026-01-09T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1847367/000110465926002265/0001104659-26-002265-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1847367/000110465926002265/tm262561d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-002265
- JSON: https://secwatch.observer/filing/0001104659-26-002265.json
- Plain text: https://secwatch.observer/filing/0001104659-26-002265.txt

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