Sec Form 4 Filing - Elia Marc @ Adagio Therapeutics, Inc. - 2022-06-22

FORM 4 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 Elia Marc 2. Issuer Name and Ticker or Trading Symbol Adagio Therapeutics, Inc. [ ADGI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) X __ Other (specify below) See Remarks (Last) (First) (Middle) C/O ADAGIO THERAPEUTICS, INC., 1601 TRAPELO ROAD, SUITE 178 3. Date of Earliest Transaction (MM/DD/YY) 06/22/2022 (Street) WALTHAM, MA02451 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 Stock Option (Right to Buy) $ 3.09 06/22/2022 A 150,000 ( 1 ) 06/21/2032 Common Stock 150,000 $ 0 150,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Elia Marc C/O ADAGIO THERAPEUTICS, INC. 1601 TRAPELO ROAD, SUITE 178 WALTHAM, MA02451 X See Remarks M28 Capital Management LP 700 CANAL STREET, 2ND FLOOR STAMFORD, CT06902 See Remarks Signatures /s/ Jill Andersen attorney-in-fact for Marc Elia 06/24/2022 Signature of Reporting Person Date M28 Capital Management LP, By: Jill Andersen attorney-in-fact for Marc Elia 06/24/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This option was granted on June 22, 2022 and vests over a three-year period, with one-third of the shares subject to the grant vesting on the first anniversary of the grant date and 1/36th of the shares subject to the grant vesting in equal monthly installments thereafter, subject to continued service through each vesting date. The grant was awarded to Marc Elia ("Mr. Elia"). Mr. Elia is deemed to hold the grant for the benefit of M28 Capital Management LP ("M28 Capital Management") and the funds managed by M28 Capital Management.

Remarks: M28 Capital Management may be deemed to be a director by deputization for purposes of Section 16 under the Securities Exchange Act of 1934, as amended, by virtue of the fact that Mr. Elia, who indirectly controls M28 Capital Management, currently serves on the board of directors of the Issuer.Exhibit Index: 24.1 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).

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