[SCHEDULE 13G/A] Aligos Therapeutics, Inc. SEC Filing

Rhea-AI Filing Summary

Adage Capital Management, L.P., together with reporting persons Robert Atchinson and Phillip Gross, disclosed beneficial ownership of 210,000 shares of Aligos Therapeutics common stock, representing 3.90% of the outstanding class on the basis indicated in the filing. The position includes 70,000 shares issuable upon exercise of warrants. The filing shows no sole voting or dispositive power and reports the stake as held with shared voting and dispositive power. The certifying statement indicates the securities were acquired and are held in the ordinary course of business and not for the purpose of changing control.

Insights

Financial Analyst

TL;DR: Passive investment filing discloses a 3.90% position (including warrants); below 5% threshold and shows no control intent.

The filing quantifies Adage's economic exposure to Aligos at 210,000 shares, inclusive of 70,000 warrants, and clarifies voting and dispositive power as shared rather than sole. For investors, this is a transparency disclosure consistent with passive ownership reporting; it does not signal an active campaign to influence corporate control. The reported percentage uses the issuer's stated share count as the denominator.

Corporate Governance Expert

TL;DR: Schedule 13G/A indicates passive holding; governance impact is minimal given sub-5% ownership and certification of ordinary-course intent.

The filing names the manager (Adage Capital Management, L.P.) and two individuals as reporting persons and documents shared voting and dispositive authority. Inclusion of warrants in the beneficial ownership calculation is disclosed explicitly, which is important for accurate governance assessment. There is no indication of coordinated group action beyond the reporting persons or any intent to change issuer control.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

Aligos Therapeutics, Inc.

(Name of Issuer)

Voting Common Stock, par value $0.0001 per share

(Title of Class of Securities)

01626L204

(CUSIP Number)

06/30/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 01626L204

1

Names of Reporting Persons

Adage Capital Management, L.P.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 210,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 210,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

210,000.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

3.90 %

12

Type of Reporting Person (See Instructions)

IA, PN

Comment for Type of Reporting Person: Includes 70,000 shares of Voting Common Stock (as defined in Item 2(a)) issuable upon exercise of warrants.

SCHEDULE 13G

CUSIP No. 01626L204

1

Names of Reporting Persons

Robert Atchinson

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 210,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 210,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

210,000.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

3.90 %

12

Type of Reporting Person (See Instructions)

HC, IN

Comment for Type of Reporting Person: Includes 70,000 shares of Voting Common Stock issuable upon exercise of warrants.

SCHEDULE 13G

CUSIP No. 01626L204

1

Names of Reporting Persons

Phillip Gross

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 210,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 210,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

210,000.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

3.90 %

12

Type of Reporting Person (See Instructions)

HC, IN

Comment for Type of Reporting Person: Includes 70,000 shares of Voting Common Stock issuable upon exercise of warrants.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Aligos Therapeutics, Inc.
(b)	Address of issuer's principal executive offices: One Corporate Drive, 2nd Floor, South San Francisco, CA 94080
Item 2.
(a)	Name of person filing: This statement is filed by: (i) Adage Capital Management, L.P., a Delaware limited partnership ("ACM"), as the investment manager of Adage Capital Partners, L.P., a Delaware limited partnership ("ACP"), with respect to the shares of voting common stock, par value $0.0001 per share ("Voting Common Stock") of Aligos Therapeutics, Inc., a Delaware corporation (the "Company") and shares of Voting Common Stock issuable upon exercise of warrants directly held by ACP; (ii) Robert Atchinson ("Mr. Atchinson"), as (1) managing member of Adage Capital Advisors, L.L.C., a limited liability company organized under the laws of the State of Delaware ("ACA"), managing member of Adage Capital Partners GP, L.L.C., a limited liability company organized under the laws of the State of Delaware ("ACPGP"), general partner of ACP and (2) managing member of Adage Capital Partners LLC, a Delaware limited liability company ("ACPLLC"), general partner of ACM, with respect to the shares of Voting Common Stock and shares of Voting Common Stock issuable upon exercise of warrants directly held by ACP; and (iii) Phillip Gross ("Mr. Gross"), as (1) managing member of ACA, managing member of ACPGP and (2) managing member of ACPLLC, general partner of ACM, with respect to the shares of Voting Common Stock and shares of Voting Common Stock issuable upon exercise of warrants directly held by ACP. The foregoing persons are hereinafter sometimes collectively referred to as the "Reporting Persons." Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party. The filing of this statement should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of the securities reported herein.
(b)	Address or principal business office or, if none, residence: The address of the business office of each of the Reporting Persons is 200 Clarendon Street, 52nd Floor, Boston, Massachusetts 02116.
(c)	Citizenship: ACM is a limited partnership organized under the laws of the State of Delaware. Messrs. Gross and Atchinson are citizens of the United States.
(d)	Title of class of securities: Voting Common Stock, par value $0.0001 per share
(e)	CUSIP No.: 01626L204
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: The information required by Item 4(a) is set forth in Row 9 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The percentage set forth in this Schedule 13G is calculated based upon an aggregate of 5,314,801 shares of Voting Common Stock outstanding as of May 1, 2025, as reported in the Company's Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2025, filed with the Securities and Exchange Commission on May 6, 2025, and assumes the exercise of warrants held by ACP.
(b)	Percent of class: 3.90%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
	(ii) Shared power to vote or to direct the vote: The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
	(iii) Sole power to dispose or to direct the disposition of: The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
	(iv) Shared power to dispose or to direct the disposition of: The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. See Item 2(a).
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Adage Capital Management, L.P.

Signature:	/s/ Robert Atchinson
Name/Title:	By: Adage Capital Partners LLC, its General Partner, By: Robert Atchinson, its Managing Member
Date:	08/12/2025

Robert Atchinson

Signature:	/s/ Robert Atchinson
Name/Title:	Robert Atchinson, individually
Date:	08/12/2025

Phillip Gross

Signature:	/s/ Phillip Gross
Name/Title:	Phillip Gross, individually
Date:	08/12/2025

FAQ

What stake did Adage Capital report in Aligos Therapeutics (ALGS)?

Adage Capital reported beneficial ownership of 210,000 shares, representing 3.90% of Aligos' outstanding common stock (including warrants).

Does the reported 3.90% for ALGS include warrants?

Yes. The reported amount includes 70,000 shares issuable upon exercise of warrants held by the investment vehicle referenced in the filing.

Who are the reporting persons on the Schedule 13G/A for ALGS?

The filing lists Adage Capital Management, L.P., and individuals Robert Atchinson and Phillip Gross as the reporting persons.

Does the filing indicate Adage intends to influence control of ALGS?

No. The filing includes a certification stating the securities are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.

How much voting or dispositive power does Adage report for ALGS shares?

The filing reports 0 sole voting power and 210,000 shared voting power, with corresponding 0 sole and 210,000 shared dispositive power.