Commodore Capital LP - 20 Oct 2025 SCHEDULE 13G Report for Alto Neuroscience, Inc. Common Stock, $0.0001 par value per share (ANRO)

Filing Manager
Commodore Capital LP
Reporting Manager
Commodore Capital LP
Security
Alto Neuroscience, Inc. Common Stock, $0.0001 par value per share
Symbol
ANRO
Shares outstanding
32,553,745 shares
Disclosed Ownership
3,190,267 shares
Ownership
9.8%
Form type
SCHEDULE 13G
Filing time
27 Oct 2025, 16:02:16 UTC
Date of event
20 Oct 2025
Next filing
17 Feb 2026
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Commodore Capital LP 9.8% 3,190,267 0 3,190,267 Michael Kramarz Managing Partner
Commodore Capital Master LP 9.8% 3,190,267 0 3,190,267 Michael Kramarz Authorized Signatory
Robert Egen Atkinson 9.8% 3,190,267 0 3,190,267 Robert Egen Atkinson Authorized Signatory
Michael Kramarz 9.8% 3,190,267 0 3,190,267 Michael Kramarz Authorized Signatory