QuidelOrtho director receives new RSU grants

QuidelOrtho Corp director Kenneth F. Buechler received equity-based compensation in the form of restricted stock units (RSUs) on June 25, 2026.

Rhea-AI Filing Summary

QuidelOrtho Corp director Kenneth F. Buechler received equity-based compensation in the form of restricted stock units (RSUs) on June 25, 2026. He was granted 3,661 premium RSUs, 12,204 converted RSUs, and 15,532 equity grant RSUs, each representing one share of common stock.

The RSUs were awarded in lieu of cash retainer and other Board service-related fees under a deferred compensation program for non-employee directors. One RSU equals one share of QuidelOrtho common stock, with vesting noted to occur on June 25, 2027 for certain awards, and additional tranches of 3,051 shares vesting on June 25, 2026, September 25, 2026, December 25, 2026, and March 25, 2027.

Insider Trade Summary

Grant/Award: 31,397 shares

Grant/Award 3 txns

Insider BUECHLER KENNETH F

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units (Equity Grant)	15,532	$0.00	$0.00
Grant/Award	Restricted Stock Units (Converted)	12,204	$0.00	$0.00
Grant/Award	Restricted Stock Units (Premium)	3,661	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units (Equity Grant) — 15,532 contracts (Direct); Restricted Stock Units (Converted) — 12,204 contracts (Direct); Restricted Stock Units (Premium) — 3,661 contracts (Direct)

Footnotes (4)

1. F1. Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock.
2. F2. The restricted stock units will vest on June 25, 2027.
3. F3. The restricted stock units were received in lieu of cash payments to the reporting person for certain retainer and Board of Director service-related fees under a deferred compensation program applicable to participating non-employee directors. Release of vested restricted stock units will occur according to the elected deferral schedule.
4. F4. 3,051 shares vested on June 25, 2026, 3,051 shares will vest on September 25, 2026, 3,051 shares will vest on December 25, 2026, and 3,051 shares will vest on March 25, 2027.

Key Figures

Premium RSU grant: 3,661 RSUs Converted RSU grant: 12,204 RSUs Equity grant RSUs: 15,532 RSUs +3 more

6 metrics

Premium RSU grant 3,661 RSUs Restricted Stock Units (Premium) granted on June 25, 2026

Converted RSU grant 12,204 RSUs Restricted Stock Units (Converted) granted on June 25, 2026

Equity grant RSUs 15,532 RSUs Restricted Stock Units (Equity Grant) granted on June 25, 2026

Vesting date (certain RSUs) June 25, 2027 Restricted stock units vesting date from footnote F2

Tranche vesting amount 3,051 shares Each tranche vesting on four dates between June 2026 and March 2027

Vesting tranches 4 tranches 3,051 shares vest on June 25, 2026; September 25, 2026; December 25, 2026; March 25, 2027

Key Terms

Restricted Stock Units, deferred compensation program, retainer and Board of Director service-related fees, vest

4 terms

Restricted Stock Units financial

"Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

deferred compensation program financial

"fees under a deferred compensation program applicable to participating non-employee directors."

retainer and Board of Director service-related fees financial

"payments to the reporting person for certain retainer and Board of Director service-related fees"

vest financial

"The restricted stock units will vest on June 25, 2027."

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did QuidelOrtho (QDEL) director Kenneth F. Buechler report on this Form 4?

He reported receiving multiple grants of restricted stock units as equity compensation. These awards are tied to his retainer and other Board service-related fees under a deferred compensation program for non-employee directors.

How many restricted stock units did Kenneth F. Buechler receive from QuidelOrtho (QDEL)?

He received 3,661 premium RSUs, 12,204 converted RSUs, and 15,532 equity grant RSUs. Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock upon settlement.

Is Kenneth F. Buechler buying or selling QuidelOrtho (QDEL) stock in this Form 4?

This filing shows equity awards, not open-market trades. The reported transactions are grants of restricted stock units received as compensation, rather than purchases or sales of QuidelOrtho common stock in the market.

When do Kenneth F. Buechler’s QuidelOrtho (QDEL) restricted stock units vest?

One footnote states that certain restricted stock units vest on June 25, 2027. Another schedule shows 3,051 shares vesting on June 25, 2026, September 25, 2026, December 25, 2026, and March 25, 2027 in separate tranches.

What does it mean that QuidelOrtho (QDEL) RSUs were received in lieu of cash payments?

Instead of receiving some Board retainer and service-related fees in cash, Buechler elected to receive restricted stock units. These RSUs are granted under a deferred compensation program and will be released according to his elected deferral schedule after they vest.

How will the QuidelOrtho (QDEL) restricted stock units be settled for Kenneth F. Buechler?

Each restricted stock unit represents the right to receive one share of QuidelOrtho common stock. Once vested, the units will be released in shares according to the deferred compensation program’s elected deferral schedule.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/29/2026 - 05:56 PM EDT Learn about SEC filing dates

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^*

BUECHLER KENNETH F

(Last) (First) (Middle)

9975 SUMMERS RIDGE ROAD

(Street)

SAN DIEGO CALIFORNIA 92121

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
QuidelOrtho Corp [ QDEL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/25/2026

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

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
Restricted Stock Units (Equity Grant)	(1)	06/25/2026		A		15,532		(2)	(2)	Common Stock	15,532	$0	15,532	D
Restricted Stock Units (Converted)	(1)	06/25/2026		A		12,204		(3)(4)	(3)(4)	Common Stock	12,204	$0	12,204	D
Restricted Stock Units (Premium)	(1)	06/25/2026		A		3,661		(2)(3)	(2)(3)	Common Stock	3,661	$0	3,661	D

Explanation of Responses:

1. Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock.

2. The restricted stock units will vest on June 25, 2027.

3. The restricted stock units were received in lieu of cash payments to the reporting person for certain retainer and Board of Director service-related fees under a deferred compensation program applicable to participating non-employee directors. Release of vested restricted stock units will occur according to the elected deferral schedule.

4. 3,051 shares vested on June 25, 2026, 3,051 shares will vest on September 25, 2026, 3,051 shares will vest on December 25, 2026, and 3,051 shares will vest on March 25, 2027.

Remarks:

	/s/ Phillip S. Askim, attorney-in-fact for Kenneth F. Buechler	06/29/2026
	** 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.
* Form 4: SEC 1474 (03-26)