Joseph M. Busky - 08 Feb 2026 Form 4 Insider Report for QuidelOrtho Corp (QDEL)

Signature
/s/ Phillip S. Askim, attorney-in-fact for Joseph M. Busky
Issuer symbol
QDEL
Transactions as of
08 Feb 2026
Net transactions value
-$52,555
Form type
4
Filing time
10 Feb 2026, 16:09:58 UTC
Previous filing
03 Feb 2026
Next filing
19 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Busky Joseph M. Chief Financial Officer 9975 SUMMERS RIDGE ROAD, SAN DIEGO /s/ Phillip S. Askim, attorney-in-fact for Joseph M. Busky 10 Feb 2026 0001385091

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction QDEL Common Stock Award $0 +5,968 +16% $0.000000 43,218 08 Feb 2026 Direct F1
transaction QDEL Common Stock Tax liability $52,555 -1,806 -4.2% $29.10 41,412 08 Feb 2026 Direct F2
holding QDEL Common Stock 6,920 08 Feb 2026 By Trust

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction QDEL Restricted Stock Units Options Exercise $0 -5,968 -50% $0.000000 5,969 08 Feb 2026 Common Stock 5,968 Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects release of restricted stock units that were previously reported on a Form 4.
F2 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.
F3 Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock.
F4 5,968 shares vested on each of February 8, 2025 and February 8, 2026; and the remaining 5,969 shares will vest on February 8, 2027.