QuidelOrtho's top three insider shareholders as of May 14, 2026 are Group Inc. Carlyle (TenPercentOwner, 8.26Mn shares), Group Inc. Carlyle (TenPercentOwner, 8.26Mn shares), Group Inc. Carlyle (TenPercentOwner, 8.26Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Group Inc. Carlyle | - | 0 | 8,260,183 | 13 Aug, 2024 |
| Group Inc. Carlyle | - | 0 | 8,260,183 | 13 Aug, 2024 |
| Group Inc. Carlyle | - | 0 | 8,260,183 | 13 Aug, 2024 |
| Group Inc. Carlyle | - | 0 | 8,260,183 | 13 Aug, 2024 |
| Group Inc. Carlyle | - | 0 | 8,260,183 | 13 Aug, 2024 |
| Douglas C Bryant | President Ceo | 549,415 | 0 | 05 Feb, 2024 |
| Kenneth F Buechler | - | 101,921 | 0 | 17 Jul, 2025 |
| Matthew Strobeck | - | 0 | 54,775 | 01 Jun, 2022 |
| Matthew Strobeck | - | 0 | 54,775 | 01 Jun, 2022 |
| Joseph M. Busky | Chief Financial Officer | 44,818 | 0 | 31 Mar, 2026 |
| Robert Joseph Bujarski | Evp Coo | 44,810 | 0 | 17 Oct, 2024 |
| Michelle A Hodges | Chief Legal Officer | 41,605 | 0 | 10 Feb, 2026 |
| Brian J. Blaser | President And Ceo | 0 | 40,073 | 13 Feb, 2026 |
| Kenneth J Widder | - | 37,061 | 0 | 25 Nov, 2025 |
| Kenneth J Widder | - | 37,061 | 0 | 25 Nov, 2025 |
| Werner Kroll | Svp, Research Development | 36,357 | 0 | 30 Jul, 2024 |
| Matthew Strobeck | - | 27,775 | 0 | 13 Feb, 2026 |
| Matthew Strobeck | - | 27,775 | 0 | 13 Feb, 2026 |
| Brian J. Blaser | President And Ceo | 25,142 | 0 | 02 Feb, 2026 |
| Edward L. Michael | - | 21,352 | 0 | 27 May, 2025 |
| Philip D. Mclellan | Chief Operations Officer | 21,250 | 0 | 24 Apr, 2026 |
| Michael S. Iskra | Evp Cco | 16,644 | 0 | 04 Jun, 2024 |
| Ann D Rhoads | - | 15,021 | 0 | 10 Dec, 2025 |
| Michelle A. Hodges | Svp, General Counsel | 13,961 | 0 | 17 Oct, 2024 |
| Jonathan Philip Siegrist | Evp Of Rd Cto | 13,419 | 0 | 02 Feb, 2026 |
| Jonathan Philip Siegrist | Evp Of Rd Cto | 13,419 | 0 | 02 Feb, 2026 |
| Mary Lake Ph D Polan | - | 12,640 | 0 | 24 Nov, 2025 |
| Joseph D Jr. Wilkins | - | 11,876 | 0 | 01 Dec, 2025 |
| Joseph D Jr. Wilkins | - | 11,876 | 0 | 01 Dec, 2025 |
| Evelyn S Dilsaver | - | 10,624 | 0 | 28 May, 2025 |
| Joseph M. Busky | Chief Financial Officer | 0 | 10,290 | 19 Feb, 2026 |
| Ronald Lee Bowman | Chief Human Resources Officer | 3,375 | 0 | 02 Feb, 2026 |
| Bryan Michael Hanson | Evp Global Port. Mgmt Mkting | 3,139 | 0 | 24 Apr, 2026 |
| John R Chiminski | - | 2,523 | 0 | 27 May, 2025 |
| R Scott Huennekens | - | 2,523 | 0 | 27 May, 2025 |
| Christopher M Smith | - | 2,249 | 0 | 08 Jun, 2023 |
| Louise Brandy | Svp, Chief Information Officer | 2,154 | 0 | 30 Apr, 2024 |
| James Prutow | - | 1,519 | 0 | 30 May, 2024 |
* 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.
| 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 | 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 | Philip D. Mclellan | Common Stock | A | 3,238 | $0.00 | 22,412 | D | A |
| 22 Apr, 2026 | Philip D. Mclellan | Common Stock | A | 3,238 | $0.00 | 22,412 | D | A |
| 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 | 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 | 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 | 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 | Philip D. Mclellan | Common Stock | D | 1,162 | $11.90 | 21,250 | D | F |
| 22 Apr, 2026 | Philip D. Mclellan | Common Stock | D | 1,162 | $11.90 | 21,250 | D | F |