Insider Trading & Ownership of WIDDER KENNETH J

Location: San Diego, CA
Summary: The estimated value of insider holdings of WIDDER KENNETH J is at least $1,139,500 dollars as of 17 Dec 2025. WIDDER KENNETH J is the Director of QuidelOrtho Corp and owns shares of QuidelOrtho Corp (QDEL) stock worth about $1.14M.
Signature: /s/ Matthew J. D'Onofrio, Attorney-in-fact for Kenneth J. Widder
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Quick Takeaways

WIDDER KENNETH J has 4 issuer positions tracked on this page.
Estimated disclosed ownership value: $1,139,500.
Recent insider filing activity is available below.

What Changed

Largest disclosed position: QuidelOrtho Corp ($1,139,500).
Past-year value change for that position: -$111,965.

Why This Matters

This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
You can cross-check role, issuer, and filing chronology directly against the SEC source.

Source Evidence

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of WIDDER KENNETH J

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
QDEL	QuidelOrtho Corp	Director	$1,139,500	-$111,965	-8.9%	25 Nov 2025
EVOK	Evoke Pharma Inc	Director				17 Dec 2025
PSNL	Personalis, Inc.	Director				16 May 2025
QDEL	QUIDEL CORP /DE/	Director				27 May 2022

Insider Transactions Reported by WIDDER KENNETH J:

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.