SEC Form 4

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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	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* Carlyle Group Inc. (Last) (First) (Middle) C/O THE CARLYLE GROUP INC. 1001 PENNSYLVANIA AVE. NW, SUITE 220S (Street) WASHINGTON DC 20004-2505 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol QuidelOrtho Corp [ QDEL ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 11/21/2024
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) 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. 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	11/21/2024		S		8,260,183	D	$35.314	0	I	See Footnote(1)

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

1. Name and Address of Reporting Person* Carlyle Group Inc. (Last) (First) (Middle) C/O THE CARLYLE GROUP INC. 1001 PENNSYLVANIA AVE. NW, SUITE 220S (Street) WASHINGTON DC 20004-2505 (City) (State) (Zip)

1. Name and Address of Reporting Person* Carlyle Holdings II GP L.L.C. (Last) (First) (Middle) C/O THE CARLYLE GROUP INC., 1001 PENNSYLVANIA AVE. NW, SUITE 220S, (Street) WASHINGTON, DC 20004-2505 (City) (State) (Zip)

1. Name and Address of Reporting Person* Carlyle Holdings II L.L.C. (Last) (First) (Middle) C/O THE CARLYLE GROUP INC., 1001 PENNSYLVANIA AVE. NW, SUITE 220S, (Street) WASHINGTON, DC 20004-2505 (City) (State) (Zip)

1. Name and Address of Reporting Person* CG Subsidiary Holdings L.L.C. (Last) (First) (Middle) C/O THE CARLYLE GROUP INC., 1001 PENNSYLVANIA AVE. NW, SUITE 220S, (Street) WASHINGTON, DC 20004-2505 (City) (State) (Zip)

1. Name and Address of Reporting Person* TC Group Cayman Investment Holdings, L.P. (Last) (First) (Middle) C/O WALKERS CORPORATE SERVICES LIMITED, 190 ELGIN AVENUE, (Street) GEORGE TOWN, GRAND CAYMAN E9 KY1-9001 (City) (State) (Zip)

1. Name and Address of Reporting Person* TC Group Cayman Investment Holdings Sub L.P. (Last) (First) (Middle) C/O WALKERS CORPORATE SERVICES LIMITED, 190 ELGIN AVENUE (Street) GEORGE TOWN, GRAND CAYMAN E9 KY1-9001 (City) (State) (Zip)

1. Name and Address of Reporting Person* TC Group VI Cayman, L.L.C. (Last) (First) (Middle) C/O THE CARLYLE GROUP INC., 1001 PENNSYLVANIA AVENUE, N.W. (Street) WASHINGTON, DC 20004-2505 (City) (State) (Zip)

1. Name and Address of Reporting Person* TC Group VI Cayman, L.P. (Last) (First) (Middle) C/O WALKERS CORPORATE SERVICES LIMITED, 190 ELGIN AVENUE, (Street) GEORGE TOWN, GRAND CAYMAN E9 KY1-9001 (City) (State) (Zip)

1. Name and Address of Reporting Person* Carlyle Partners VI Cayman Holdings, L.P. (Last) (First) (Middle) C/O WALKERS CORPORATE SERVICES LIMITED, 190 ELGIN AVENUE, (Street) GEORGE TOWN, GRAND CAYMAN E9 KY1-9001 (City) (State) (Zip)

Explanation of Responses:

1. Reflects ordinary shares held of record by Carlyle Partners VI Cayman Holdings, L.P. (the "Carlyle Investor"). The Carlyle Group Inc., a publicly traded company listed on Nasdaq, is the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities reported herein, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI Cayman, L.L.C., which is the general partner of TC Group VI Cayman, L.P., which is the general partner of the Carlyle Investor. Accordingly, each of the foregoing entities may be deemed to share beneficial ownership of the securities held of record by the Carlyle Investor. Each of them disclaims beneficial ownership of such securities.

	The Carlyle Group Inc., By: /s/ Anne Frederick, Attorney-in-fact for John C. Redett, Chief Financial Officer	11/21/2024
	Carlyle Holdings II GP L.L.C., By: The Carlyle Group Inc., its sole member, By: /s/ Anne Frederick, Attorney-in-fact for John C. Redett, Chief Financial Officer	11/21/2024
	Carlyle Holdings II L.L.C., By /s/ Anne Frederick, Attorney-in-fact for John C. Redett, Managing Director	11/21/2024
	CG Subsidiary Holdings L.L.C., By: /s/ Anne Frederick, Attorney-in-fact for John C. Redett, Managing Director	11/21/2024
	TC Group Cayman Investment Holdings, L.P., By: CG Subsidiary Holdings L.L.C., its general partner, By: /s/ Anne Frederick, Attorney-in-fact for John C. Redett, Managing Director	11/21/2024
	TC Group Cayman Investment Holdings Sub L.P., By: TC Group Cayman Investment Holdings, L.P., its general partner, By: CG Subsidiary Holdings L.L.C., its general partner, By: /s/ Anne Frederick, Attorney-in-fact for John C. Redett, Managing Director	11/21/2024
	TC Group VI Cayman, L.L.C., By: /s/ Robert Rosen, Vice President	11/21/2024
	TC Group VI Cayman, L.P., By: TC Group VI Cayman, L.L.C., its general partner, By: /s/ Robert Rosen, Vice President	11/21/2024
	Carlyle Partners VI Cayman Holdings, L.P., By: TC Group VI Cayman, L.P., its general partner, By: TC Group VI Cayman, L.L.C., its general partner, By: /s/ Robert Rosen, Vice President	11/21/2024
	** 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).
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