UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 1, 2026

ALTO NEUROSCIENCE, INC.

(Exact Name of Registrant as Specified in its Charter)

Delaware		001-41944		83-4210124
(State or Other Jurisdiction of Incorporation)		(Commission File Number)		(IRS Employer Identification No.)

650 Castro Street, Suite 450, Mountain View, CA	94041
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (650) 200-0412

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, $0.0001 par value per share		ANRO		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company x

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 8.01

Other Events.

On April 1, 2026, Alto Neuroscience, Inc. issued a press release entitled “Alto Neuroscience Reports Topline Data from Phase 2 Proof-of-Concept Study of ALTO-101 and Highlights Pipeline Advancements.” The full text of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

Item 9.01

Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.		Description

99.1		Press Release of Alto Neuroscience, Inc.

104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	ALTO NEUROSCIENCE, INC.

Dated: April 1, 2026	By:	/s/ Amit Etkin
		Amit Etkin, M.D., Ph.D.
		President and Chief Executive Officer

SEC Form 8-K filed by Alto Neuroscience Inc.