Commodore Capital LP - 31 Dec 2025 SCHEDULE 13G/A 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
32,784,121 shares
Disclosed Ownership
3,245,628 shares
Ownership
9.9%
Form type
SCHEDULE 13G/A
Filing time
17 Feb 2026, 16:13:17 UTC
Date of event
31 Dec 2025
Previous filing
27 Oct 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Commodore Capital LP 9.9% 3,245,628 0 3,245,628 Michael Kramarz Managing Partner
Commodore Capital Master LP 9.9% 3,245,628 0 3,245,628 Michael Kramarz Authorized Signatory
Robert Egen Atkinson 9.9% 3,245,628 0 3,245,628 Robert Egen Atkinson Authorized Signatory
Michael Kramarz 9.9% 3,245,628 0 3,245,628 Michael Kramarz Authorized Signatory