Sec Form 3/A Filing - Bozilenko Marina @ ASCENTAGE PHARMA GROUP INTERNATIONAL - 2026-03-18

FORM 3/A Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Bozilenko Marina 2. Issuer Name and Ticker or Trading Symbol ASCENTAGE PHARMA GROUP INTERNATIONAL [ AAPG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 700 KING FARM BLVD, STE 510 3. Date of Earliest Transaction (MM/DD/YY) 03/18/2026 (Street) ROCKVILLE, MD20850 4. If Amendment, Date Original Filed (MM/DD/YY) 03/19/2026 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Options $ 8.14 ( 2 ) ( 1 ) 11/26/2035 Ordinary Shares 17,965 ( 4 ) D Restricted share units $ 0 ( 3 ) ( 3 ) Ordinary Shares 27,965 ( 4 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Bozilenko Marina 700 KING FARM BLVD STE 510 ROCKVILLE, MD20850 X Signatures Thomas J. Knapp 03/23/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The stock options vest in twelve (12) tranches equally on the 26th of the month starting November 26, 2025. ( 2 )The exercise price for the stock options is in HKD, and the exercise price included in the table represents conversion to USD based on the exchange rate on the date of grant. ( 3 )Each restricted stock unit (RSUs) represents a contingent right to receive one Ordinary Share of the Issuer upon vesting. The RSUs vest in four equal increments on each of 11/26/2026, 2027, 2028 and 2029. ( 4 )The number of Share Options and/or their vesting were inadvertently incorrectly reported in the original submission.

Remarks: This form is filed using a special power of attorney.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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