| FORM 4 | 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 or Section 30(h) of the Investment Company Act of 1940 | 
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| Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). | |||||||||||||||||
| Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. | |||||||||||||||||
| 1. Name and Address of Reporting Person* 
 
 
 (Street) 
 
 | 2. Issuer Name and Ticker or Trading Symbol Peak Bio, Inc. [ PKBO ] | 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) 
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| 3. Date of Earliest Transaction
         (Month/Day/Year) 11/14/2024 | ||||||||||||||||||||||||||
| 4. If Amendment, Date of Original Filed
         (Month/Day/Year) | 6. Individual or Joint/Group Filing (Check Applicable Line) 
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| Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned | ||||||||||
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| 1. Title of Security (Instr. 3) | 2. Transaction Date (Month/Day/Year) | 2A. Deemed Execution Date, if any (Month/Day/Year) | 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 | ||||||
| Common Stock | 11/14/2024 | C(1)(2) | 4,574,661 | A | (2) | 4,574,661 | D | |||
| Common Stock | 11/14/2024 | D(1)(3) | 4,574,661 | D | (3) | 0 | D | |||
| Common Stock | 11/14/2024 | D(1)(3) | 8,382,742 | D | (3) | 0 | D | |||
| Common Stock | 11/14/2024 | D(1)(3) | 372,940 | D | (3) | 0 | I | See footnote(4) | ||
| 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 (Month/Day/Year) | 3A. Deemed Execution Date, if any (Month/Day/Year) | 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 (Month/Day/Year) | 7. Title and Amount of Securities Underlying Derivative Security (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: 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 | ||||||||
| Convertible Notes | (2) | 11/14/2024 | C(1)(2) | $2,130,775 | (2) | (2) | Common Stock | 4,574,661 | (2) | 0 | D | ||||
| Warrant (Right to Purchase) | $0.6 | 11/14/2024 | D(1)(5) | 176,292 | (5) | (5) | Common Stock | 176,292 | (5) | 0 | D | ||||
| Stock Option (Right to Buy) | $0.8 | 11/14/2024 | D(1)(6) | 1,200,000 | (6) | (6) | Common Stock | 1,200,000 | $0 | 0 | D | ||||
| Explanation of Responses: | 
| 1. This Form 4 reports securities transacted pursuant to the terms of the Agreement and Plan of Merger, dated as of March 4, 2024, as amended (the "Merger Agreement"), by and among the Issuer, Akari Therapeutics Plc ("Parent"), and Pegasus Merger Sub, Inc., a wholly-owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub merged with and into the Issuer effective as of November 14, 2024, with the Issuer surviving as a wholly owned subsidiary of Parent (the "Merger"). | 
| 2. Immediately prior to the effective time of the Merger (the "Effective Time"), the principal amount of convertible promissory notes held by the Reporting Person (together with accrued interest thereon) automatically converted into shares of common stock of the Issuer ("Peak Common Stock"). | 
| 3. At the Effective Time, each issued and outstanding share of Peak Common Stock was cancelled and converted into the right to receive 0.2935 (the "Exchange Ratio") American Depositary Shares ("ADSs") of Parent, each ADS representing a number of ordinary shares, par value $0.0001 per share (the "Ordinary Shares") of Parent. | 
| 4. The securities are held by Hannol Ventures LLC. The Reporting Person is sole member of the LLC. | 
| 5. At the Effective Time, each warrant to purchase capital stock of the Issuer (each, a "Peak Warrant") outstanding immediately prior to the Effective Time was converted into warrants to purchase a number of Ordinary Shares or ADSs (the "Assumed Warrants"), exercisable for a number of ADSs equal to the number of shares of Peak Common Stock underlying such Peak Warrant multiplied by the Exchange Ratio, and the exercise price with respect to such Assumed Warrants shall be equal to the exercise price of such Peak Warrant divided by the Exchange Ratio. | 
| 6. At the Effective Time, each option to purchase shares of Peak Common Stock ("Peak Option") that was outstanding immediately prior to the Effective Time and unexercised, whether or not vested, was assumed by Parent and converted into the option to purchase a number of Ordinary Shares or ADSs (any such option, an "Assumed Option") equal to the number of Peak Common Stock underlying each such Peak Option multiplied by the Exchange Ratio. | 
| /s/ Dr. Hoyoung Huh | 11/18/2024 | |
| ** Signature of Reporting Person | Date | |
| 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. | ||
| Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number. | ||