FORM 4
[X] 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 OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Hopkinson Craig C.		 2. Issuer Name and Ticker or Trading Symbol

ALBIREO PHARMA, INC. [ ALBO ] 		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)

C/O ALBIREO PHARMA, INC., 53 STATE STREET, 19TH FLOOR		 3. Date of Earliest Transaction (MM/DD/YYYY)

3/2/2023
(Street)

BOSTON, MA 02109
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
 6. Individual or Joint/Group Filing (Check Applicable Line)

_X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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 Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)		2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date7. 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 of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units  (1)3/2/2023  D     10495   (2)(3)(4) (5)Common Stock 10495  (2)(3)(4)0 D  
Explanation of Responses:
(1) Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer, $0.01 par value per share (each, a "Share").
(2) This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated January 8, 2023, (the "Merger Agreement"), among Ipsen Biopharmaceuticals, Inc., a Delaware corporation ("Parent"), Anemone Acquisition Corp., a Delaware corporation and a wholly owned subsidiary of Parent ("Purchaser"), solely for purposes of Sections 9.5, 9.6, 9.8 and 9.11 thereof, Ipsen Pharma SAS, a French societe par actions simplifiee ("Guarantor"), and the Issuer, pursuant to which Purchaser completed a tender offer for Share and thereafter merged with and into the Issuer (the "Merger"), effective as of March 2, 2023 (the "Effective Time").
(3) (Continued from Footnote 2) At the Effective Time, (a) each outstanding restricted stock unit (each, a "Company RSU") that was granted prior to the date of the Merger Agreement, and each Company RSU that was granted on or after the date of the Merger Agreement and that is designated in the confidential disclosure schedules as an "Accelerated 2023 RSU," was canceled and converted into the right to receive (1) cash in an amount, without interest, equal to the product of (x) the total number of Shares subject to such Company RSU immediately prior to the Effective Time multiplied by (y) $42.00 and (2) one non-tradeable contractual contingent value right ("CVR") for each Share subject to such Company RSU immediately prior to the Effective Time, which CVR represents the right to receive a contingent payment of $10.00, net to the holder in cash, without interest, upon the achievement of the milestone set forth in a certain Contingent Value Rights Agreement on or prior to December 31, 2027;
(4) (Continued from Footnote 3) and (b) each Company RSU that was granted on or after the date of the Merger Agreement and that is designated in the confidential disclosure schedules as a "Cancelled 2023 RSU" was canceled and had no further force or effect.
(5) Not applicable.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Hopkinson Craig C.
C/O ALBIREO PHARMA, INC.
53 STATE STREET, 19TH FLOOR
BOSTON, MA 02109		X
Signatures
/s/ Jason Duncan, Attorney-in-fact3/2/2023
**Signature of Reporting PersonDate
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 control number.
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