Amit Etkin - 01 Mar 2024 Form 4 Insider Report for Alto Neuroscience, Inc. (ANRO)

Role: PRESIDENT AND CEO, Director
Signature: /s/ Erin R. McQuade, Attorney-in-Fact
Issuer symbol: ANRO
Transactions as of: 01 Mar 2024
Net transactions value: $0
Form type: 4
Filing time: 05 Mar 2024, 18:00:27 UTC
Previous filing: 07 Feb 2024
Next filing: 07 Feb 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ANRO	Common Stock	Award	$0	+34,711	+2.9%	$0.000000	1,240,176	01 Mar 2024	Direct	F1, F2

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
transaction	ANRO	Employee Stock Option (Right to Buy)	Award	$0	+223,000		$0.000000	223,000	01 Mar 2024	Common Stock	223,000	$14.88	Direct	F3

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

Explanation of Responses:

Id	Content
F1	Represents a restricted stock unit ("RSU") award. The RSUs shall vest in two equal installments on September 1, 2025 and March 1, 2026, subject to the Reporting Person's continuous service through each such vesting date.
F2	Each RSU represents a contingent right to receive one share of common stock.
F3	25% of the shares underlying the option shall vest on March 1, 2025, and one forty-eighth (1/48th) of the shares underlying the option shall vest in monthly installments thereafter, subject to the Reporting Person's continuous service through each such vesting date.