ALUMIS INC. (ALMS): M&A transaction — Alumis completes merger with ACELYRIN; cash runway extended into 2027

ALUMIS INC.

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.

Key facts

Extracted from this filing and checked against the source text.

M&A Transactions SEC 8-K Item 2.01/5.01 confidence 0.9

ALUMIS INC. completed an acquisition involving ACELYRIN, Inc. for 0.4814 shares of voting common stock of Alumis (closed 2025-05-21).

Action: acquisition
Counterparty: ACELYRIN, Inc.
Consideration: 0.4814 shares of voting common stock of Alumis
Closing: 2025-05-21

Exact text from the filing

hich was subsequently amended on April 20, 2025 (the “ Merger Agreement ”) with ACELYRIN, Inc., a Delaware corporation (“ ACELYRIN ”), and Arrow Merger Sub, Inc., a Delaware corporation and a direct wholly owned

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ALUMIS INC. filing history →

Source: SEC EDGAR

accession 0001104659-25-051338

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