QuidelOrtho Corp (QDEL) CEO receives 21,446 shares as RSUs vest

Filing Impact

(High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

QuidelOrtho Corp President and CEO Brian J. Blaser reported equity compensation activity tied to restricted stock units. On January 29, 2026, 21,446 restricted stock units vested, resulting in an acquisition of 21,446 shares of common stock at $0 per share.

To cover tax withholding on this vesting, 7,755 common shares were withheld by the issuer at $27.41 per share. After these transactions, Blaser directly beneficially owned 25,142 common shares and indirectly held 29,533 shares through a trust. The filing also notes 42,892 restricted stock units remain unvested, scheduled to vest in equal installments on January 29, 2027 and January 29, 2028.

Insider Trade Summary

21,446 shares exercised/converted

Mixed 4 txns

Insider Blaser Brian J.

Role President and CEO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	21,446	$0.00	--
Grant/Award	Common Stock	21,446	$0.00	--
Tax Withholding	Common Stock	7,755	$27.41	$213K
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Units — 42,892 shares (Direct); Common Stock — 32,897 shares (Direct); Common Stock — 29,533 shares (Indirect, By Trust)

Footnotes (1)

Reflects release of restricted stock units that were previously reported on a Form 4. Disposition of shares, as set forth above, was in connection with the Issuer's withholding of common shares to satisfy tax withholding obligations related to the issuance of common shares upon release of restricted stock units. Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock. 21,446 shares vested on January 29, 2026; the remaining 42,892 shares will vest in equal installments on January 29, 2027 and January 29, 2028.

Form 4 Insider Transactions: What Each Field Means →

02/02/2026 - 07:04 PM

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
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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^*

Blaser Brian J.

(Last)

(First)

(Middle)

9975 SUMMERS RIDGE ROAD

(Street)

SAN DIEGO

92121

(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
X	Officer (give title below)	Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
01/29/2026

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

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. 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	01/29/2026		A		21,446⁽¹⁾	A	$0	32,897	D
Common Stock	01/29/2026		F		7,755⁽²⁾	D	$27.41	25,142	D
Common Stock								29,533	I	By Trust

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	⁽³⁾	01/29/2026		M			21,446	⁽⁴⁾	⁽⁴⁾	Common Stock	21,446	$0	42,892	D

Explanation of Responses:

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

2. Disposition of shares, as set forth above, was in connection with the Issuer's withholding of common shares to satisfy tax withholding obligations related to the issuance of common shares upon release of restricted stock units.

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

4. 21,446 shares vested on January 29, 2026; the remaining 42,892 shares will vest in equal installments on January 29, 2027 and January 29, 2028.

Remarks:

	/s/ Jennifer Ahn, attorney-in-fact for Brian J. Blaser	02/02/2026
	** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did QuidelOrtho (QDEL) report for Brian J. Blaser?

QuidelOrtho reported that President and CEO Brian J. Blaser had 21,446 restricted stock units vest into common shares. The company simultaneously withheld 7,755 shares to satisfy tax obligations arising from this vesting event, as disclosed in the Form 4 filing.

How many QuidelOrtho (QDEL) shares did Brian J. Blaser acquire and at what price?

Brian J. Blaser acquired 21,446 shares of QuidelOrtho common stock upon vesting of restricted stock units at a stated price of $0 per share. This reflects equity compensation rather than an open-market purchase transaction at a cash cost.

Why were 7,755 QuidelOrtho (QDEL) shares withheld in Brian J. Blaser’s Form 4?

The 7,755 QuidelOrtho shares were withheld to satisfy tax withholding obligations related to the issuance of common shares upon the restricted stock units’ release. This is a common mechanism where the issuer retains shares instead of the insider paying cash taxes.

How many QuidelOrtho (QDEL) shares does Brian J. Blaser own after these transactions?

Following the reported transactions, Brian J. Blaser directly beneficially owned 25,142 shares of QuidelOrtho common stock. He also indirectly held 29,533 additional shares through a trust, as reflected in the Form 4 ownership table.

What restricted stock units remain unvested for QuidelOrtho (QDEL) CEO Brian J. Blaser?

After 21,446 restricted stock units vested on January 29, 2026, 42,892 restricted stock units remain unvested. These are scheduled to vest in equal installments on January 29, 2027 and January 29, 2028, according to the Form 4 footnotes.

How many restricted stock units does Brian J. Blaser hold in QuidelOrtho (QDEL) after vesting?

After the January 29, 2026 vesting event, Brian J. Blaser beneficially owned 42,892 restricted stock units. Each unit represents the right to receive one share of QuidelOrtho common stock under the company’s equity compensation arrangements.