secwatch.observer — SEC 8-K summary
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Issuer:     ALUMIS INC. (ALMS)
CIK:        0001847367
Form:       8-K
Filed at:   2025-05-21T23:59:59+00:00
Accession:  0001104659-25-051338
Event type: m_and_a
Sentiment:  positive
Materiality: 0.90
Item codes: 2.01, 5.02, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Alumis completes merger with ACELYRIN; cash runway extended into 2027
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- Each ACELYRIN share exchanged for 0.4814 shares of Alumis common stock; ACELYRIN stock ceased trading.
- Lynn Tetrault appointed to Alumis board; Henry Gosebruch will not join due to new CEO role at Galapagos.
- Combined company cash runway extends into 2027, supporting multiple planned data readouts.
- Martin Babler remains President, CEO, and Chairman of Alumis.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1847367/000110465925051338/0001104659-25-051338-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1847367/000110465925051338/tm2515764d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-25-051338

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