8-K

ALIGOS THERAPEUTICS, INC.

Date: April 14, 2026

/s/ Lesley Ann Calhoun

Lesley Ann Calhoun

Executive Vice President, Chief Operating Officer & Chief Financial Officer

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 14, 2026

Aligos Therapeutics, Inc.

(Exact name of registrant as specified in its charter)

Delaware

001-39617

82-4724808

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(IRS Employer

Identification Number)

One Corporate Dr., 2nd Floor

South San Francisco, CA

94080

(Address of principal executive offices)

(Zip Code)

(800) 466-6059

(Registrant’s telephone number, including area code)

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	Name of each exchange on which registered
Common Stock, $0.0001 par value per share	ALGS	The Nasdaq Stock Market LLC
		(Nasdaq Capital Market)

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 ☐

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 14, 2026, Aligos Therapeutics, Inc. (the “Company”) issued a press release announcing the first interim analysis results of the Phase 2 B-SUPREME study of pevifoscorvir sodium in participants with chronic hepatitis B virus (“HBV”) infection for the Part 2a (HBeAg- cohort) where the independent Data Safety Monitoring Review Board has recommended continuation of the study with an increase in sample size for this cohort in order to optimize statistical powering; futility criteria for the cohort was not met. Additionally, the Company announced that the United States Food and Drug Administration has granted Fast Track Designation to pevifoscorvir sodium, a potential best/first-in-class capsid assembly modulator (CAM-E) under investigation for the treatment of HBV infection.

Item 9.01.

Financial Statements and Exhibits.


Exhibit No.		Description

99.1		Press release of Aligos Therapeutics, Inc. dated April 14, 2026.

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

SIGNATURES

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