secwatch.observer — SEC 8-K summary
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Issuer:     ALUMIS INC. (ALMS)
CIK:        0001847367
Form:       8-K
Filed at:   2025-02-06T23:59:59+00:00
Accession:  0001104659-25-010169
Event type: m_and_a
Sentiment:  neutral
Materiality: 0.90
Item codes: 1.01, 2.02, 7.01, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Alumis to acquire ACELYRIN in all-stock merger; exchange ratio 0.4274
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- Alumis to acquire ACELYRIN via merger; each ACELYRIN share converted into 0.4274 Alumis shares.
- Stock options with exercise price ≤$18.00 converted to Alumis options at adjusted strike; options >$18.00 cancelled for no consideration.
- Termination fees of $10M each; close targeted by July 7, 2025, subject to stockholder approvals and regulatory conditions.
- Alumis reports preliminary cash, equivalents and marketable securities of ~$289M as of Dec 31, 2024.
- Voting agreements cover ~24% of ACELYRIN shares and ~62% of Alumis shares; stockholders commit to vote for merger.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1847367/000110465925010169/0001104659-25-010169-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1847367/000110465925010169/tm254989d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-25-010169

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer