Joseph M. Busky - 28 Mar 2026 Form 4 Insider Report for QuidelOrtho Corp (QDEL)

Reporting relationship: Chief Financial Officer
Issuer ticker: QDEL
Reported as of: 28 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 31 Mar 2026, 16:14:00 UTC
Prior SEC filing: 19 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Phillip S. Askim, attorney-in-fact for Joseph M. Busky

Key filing fact

Joseph M. Busky filed Form 4 for QuidelOrtho Corp (QDEL) on 31 Mar 2026.

Key facts

This page summarizes Joseph M. Busky's Form 4 filing for QuidelOrtho Corp (QDEL).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 31 Mar 2026, 16:14.

Change

Previous filing in this sequence was filed on 19 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001385091 Primary reporting owner

Busky Joseph M.

Relationship: Chief Financial Officer
Address: 9975 SUMMERS RIDGE ROAD, SAN DIEGO
Signature: /s/ Phillip S. Askim, attorney-in-fact for Joseph M. Busky
Signature date: 31 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

QDEL transaction

Common Stock

Award

Transaction value
Shares: +4,925
Change %: +12%
Price: $0.000000^*
Shares after: 46,337
Date: 28 Mar 2026
Ownership: Direct
Footnotes: F1

QDEL transaction

Common Stock

Tax liability

Transaction value
Shares: -1,519
Change %: -3.3%
Price: $14.78^*
Shares after: 44,818
Date: 28 Mar 2026
Ownership: Direct
Footnotes: F2

QDEL holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,290
Date: 28 Mar 2026
Ownership: By Trust

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

QDEL transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -4,925
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,925
Exercise price
Footnotes: F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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

Footnote 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.

Footnote F3

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

Footnote F4

14,775 shares vested in equal installments on March 28, 2024, March 28, 2025 and March 28, 2026.