QuidelOrtho director settles 973 deferred stock units

Q: What are Mary Lake Polan’s QuidelOrtho share holdings after these transactions?

After these transactions, she beneficially owned 20,442 shares of QuidelOrtho common stock directly and 17,353 shares indirectly through an LLC, according to the holdings information reported as of the transaction date on the Form 4 filing.

QuidelOrtho Corp director Mary Lake Polan, Ph.D. reported compensation-related equity activity involving restricted stock units and common shares.

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Form Type

Rhea-AI Filing Summary

QuidelOrtho Corp director Mary Lake Polan, Ph.D. reported compensation-related equity activity involving restricted stock units and common shares. On June 6, 2026, she exercised a total of 973 restricted stock units at $0.00 per unit, each converting into one share of common stock under the company’s program.

These releases were previously reported awards whose delivery was deferred under QuidelOrtho’s deferred compensation program for non-employee directors. Following these transactions, she held 20,442 shares of common stock directly and 17,353 shares indirectly through an LLC. The filing reflects routine director equity compensation rather than open-market buying or selling.

Insider Trade Summary

973 shares exercised/converted

Exercise 5 txns

Insider POLAN MARY LAKE PH D

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units (Converted)	749	$0.00	$0.00
Exercise	Restricted Stock Units (Premium)	224	$0.00	$0.00
Grant/Award	Common Stock	749	$0.00	$0.00
Grant/Award	Common Stock	224	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Units (Converted) — 0 contracts (Direct); Restricted Stock Units (Premium) — 0 contracts (Direct); Common Stock — 20,442 shares (Direct); Common Stock — 17,353 shares (Indirect, By LLC)

Footnotes (3)

F1. Reflects release of restricted stock units that were previously reported on a Form 4.
F2. Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock.
F3. Release of restricted stock units was deferred pursuant to QuidelOrtho's deferred compensation program applicable to participating non-employee directors and occurred according to the elected deferred schedule.

Key Figures

RSUs exercised (total): 973 units RSUs exercised (award 1): 224 units RSUs exercised (award 2): 749 units +3 more

6 metrics

RSUs exercised (total) 973 units Restricted stock units converted into common stock on June 6, 2026

RSUs exercised (award 1) 224 units Restricted Stock Units (Premium) converted to common stock at $0.00

RSUs exercised (award 2) 749 units Restricted Stock Units (Converted) converted to common stock at $0.00

Direct common shares after 20,442 shares Direct ownership following June 6, 2026 transactions

Indirect common shares after 17,353 shares Indirect ownership through LLC as of June 6, 2026

RSU conversion price $0.00 per unit Exercise or conversion price for reported restricted stock units

Key Terms

Restricted Stock Units, deferred compensation program, non-employee directors, indirect ownership, +1 more

5 terms

Restricted Stock Units financial

"Reflects release of restricted stock units that were previously reported on a Form 4."

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

"Release of restricted stock units was deferred pursuant to QuidelOrtho's deferred compensation program applicable to participating non-employee directors"

non-employee directors financial

"deferred compensation program applicable to participating non-employee directors and occurred according to the elected deferred schedule."

Non-employee directors are board members who do not work for the company as salaried employees and usually do not hold day-to-day management roles. They act like outside referees or independent coaches, providing oversight, asking tough questions, and protecting shareholders’ interests; investors care because these directors help ensure management is accountable, reduce conflicts of interest, and influence decisions that affect company strategy and long-term value.

indirect ownership financial

"total_shares_following_transaction 17353.0000, direct_or_indirect I, nature_of_ownership By LLC"

derivative exercise/conversion financial

"transaction_action derivative exercise/conversion, transaction_code_description Exercise or conversion of derivative security"

FAQ

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

What did QuidelOrtho (QDEL) director Mary Lake Polan report in this Form 4?

Director Mary Lake Polan, Ph.D. reported the release and conversion of previously granted restricted stock units into common shares, along with updated direct and indirect share holdings, as part of QuidelOrtho’s non-employee director equity compensation arrangements.

How many QuidelOrtho shares did Mary Lake Polan acquire through RSU conversions?

She exercised a total of 973 restricted stock units into common stock, consisting of 224 units from one award and 749 units from another, each unit representing the right to receive one share of QuidelOrtho common stock at a conversion price of $0.00.

Are the QuidelOrtho Form 4 transactions open-market purchases or sales?

The transactions are not open-market trades. They reflect the exercise and release of previously granted restricted stock units and related common stock awards under QuidelOrtho’s deferred compensation program for non-employee directors, with no reported open-market buying or selling of shares.

What does the deferred compensation program mentioned for QuidelOrtho directors do?

The deferred compensation program allows participating non-employee directors to defer the release of restricted stock units. In this case, the RSU release occurred later according to an elected deferred schedule, converting into common shares at $0.00 under the elected deferral terms.

What is the significance of the Restricted Stock Units reported for QuidelOrtho (QDEL)?

Each restricted stock unit represents the right to receive one share of QuidelOrtho common stock. Their release and conversion in this Form 4 reflect routine director equity compensation vesting, updating the timing and form of ownership rather than signaling discretionary market trading activity.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 06/09/2026 - 04:06 PM EDT

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^*

POLAN MARY LAKE PH D

(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)
06/06/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/06/2026		A		749⁽¹⁾	A	$0	20,218	D
Common Stock	06/06/2026		A		224⁽¹⁾	A	$0	20,442	D
Common Stock								17,353	I	By LLC

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units (Converted)	⁽²⁾	06/06/2026		M			749	⁽³⁾	⁽³⁾	Common Stock	749	$0	0	D
Restricted Stock Units (Premium)	⁽²⁾	06/06/2026		M			224	⁽³⁾	⁽³⁾	Common Stock	224	$0	0	D

Explanation of Responses:

1. Reflects release of restricted stock units that were previously reported on a Form 4.

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

3. Release of restricted stock units was deferred pursuant to QuidelOrtho's deferred compensation program applicable to participating non-employee directors and occurred according to the elected deferred schedule.

Remarks:

	/s/ Phillip S. Askim, attorney-in-fact for Mary Lake Polan, Ph.D.	06/09/2026
	** 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)

Source: View Original Filing on SEC EDGAR