QuidelOrtho Corp (QDEL) Insider Ownership

Historic Insider Ownership Trends

As of June 18, 2026, QuidelOrtho's top three insider holders are Group Inc. Carlyle (TenPercentOwner, 8.26Mn shares), Douglas C Bryant (President Ceo, 549.41K shares), Kenneth F Buechler (Director, 101.92K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Kenneth J Widder - 37,061 0 25 Nov, 2025
Mary Lake Ph D Polan - 12,640 0 24 Nov, 2025
Kenneth F Buechler - 101,921 0 17 Jul, 2025
Robert Joseph Bujarski Evp Coo 44,810 0 17 Oct, 2024
R Scott Huennekens - 2,523 0 27 May, 2025
Matthew Strobeck - 0 54,775 01 Jun, 2022
Joseph M. Busky Chief Financial Officer 44,818 0 31 Mar, 2026
Evelyn S Dilsaver - 10,624 0 28 May, 2025
Edward L. Michael - 21,352 0 27 May, 2025
Douglas C Bryant President Ceo 549,415 0 05 Feb, 2024
John R Chiminski - 2,523 0 27 May, 2025
Brian J. Blaser President And Ceo 0 40,073 13 Feb, 2026
Group Inc. Carlyle - 0 8,260,183 13 Aug, 2024
Werner Kroll Svp, Research Development 36,357 0 30 Jul, 2024
Michelle A Hodges Chief Legal Officer 41,605 0 10 Feb, 2026
Michael S. Iskra Evp Cco 16,644 0 04 Jun, 2024
Joseph D Jr. Wilkins - 11,876 0 01 Dec, 2025
Louise Brandy Svp, Chief Information Officer 2,154 0 30 Apr, 2024
James Prutow - 1,519 0 30 May, 2024
Ronald Lee Bowman Chief Human Resources Officer 3,375 0 02 Feb, 2026
Jonathan Philip Siegrist Evp Of Rd Cto 13,419 0 02 Feb, 2026
Philip D. Mclellan Chief Operations Officer 21,250 0 24 Apr, 2026
Bryan Michael Hanson Evp Global Port. Mgmt Mkting 3,139 0 24 Apr, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
22 Apr, 2026 Philip D. Mclellan Common Stock A 3,238 $0.00 22,412 D A
22 Apr, 2026 Bryan Michael Hanson Common Stock A 3,508 $0.00 4,408 D A
22 Apr, 2026 Bryan Michael Hanson Common Stock A 3,508 $0.00 4,408 D A
22 Apr, 2026 Philip D. Mclellan Common Stock D 1,162 $11.90 21,250 D F
22 Apr, 2026 Bryan Michael Hanson Common Stock D 1,269 $11.90 3,139 D F
22 Apr, 2026 Bryan Michael Hanson Common Stock D 1,269 $11.90 3,139 D F
22 Apr, 2026 Bryan Michael Hanson Restricted Stock Units D 3,508 $0.00 3,508 D M
22 Apr, 2026 Bryan Michael Hanson Restricted Stock Units D 3,508 $0.00 3,508 D M
22 Apr, 2026 Philip D. Mclellan Restricted Stock Units D 3,238 $0.00 3,238 D M
28 Mar, 2026 Joseph M. Busky Common Stock A 4,925 $0.00 46,337 D A
28 Mar, 2026 Joseph M. Busky Common Stock D 1,519 $14.78 44,818 D F
28 Mar, 2026 Joseph M. Busky Restricted Stock Units D 4,925 $0.00 0 D M
13 Feb, 2026 Joseph M. Busky Common Stock A 3,370 $23.66 10,290 I P
13 Feb, 2026 Matthew Strobeck Common Stock A 10,000 $23.96 27,775 D P
13 Feb, 2026 Joseph M. Busky Common Stock A 3,370 $23.66 10,290 I P
13 Feb, 2026 Matthew Strobeck Common Stock A 10,000 $23.96 27,775 D P
13 Feb, 2026 Matthew Strobeck Common Stock A 10,000 $23.96 27,775 D P
13 Feb, 2026 Brian J. Blaser Common Stock A 10,540 $23.59 40,073 I P
08 Feb, 2026 Joseph M. Busky Common Stock A 5,968 $0.00 43,218 D A
08 Feb, 2026 Michelle A Hodges Common Stock A 3,198 $0.00 42,753 D A