Po Yu (jeff) Chen - 01 Feb 2024 Form 3 Insider Report for Alto Neuroscience, Inc. (ANRO)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	ANRO	Series B Preferred Stock							01 Feb 2024	Common Stock	39,259		Direct	F1
holding	ANRO	Series C Preferred Stock							01 Feb 2024	Common Stock	8,450		Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	Each share of Series B Preferred Stock is convertible at any time, at the holder's election, and will automatically convert into shares of Common Stock immediately prior to the closing of the Issuer's initial public offering on a 2.1226069 for 1 basis into the number of shares of Common Stock shown in column 3 and has no expiration date.
F2	Each share of Series C Preferred Stock is convertible at any time, at the holder's election, and will automatically convert into shares of Common Stock immediately prior to the closing of the Issuer's initial public offering on a 2.2241 for 1 basis into the number of shares of Common Stock shown in column 3 and has no expiration date.