According to recent filings covering the 90 days ending February 10, 2026, the three most significant insider holders at QuidelOrtho are President & Ceo Douglas C Bryant (549.41K shares), Director Kenneth F Buechler (101.92K shares), Director Matthew Strobeck (55.92K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Douglas C Bryant | President & Ceo | 549,415 | 05 Feb, 2024 |
| Kenneth F Buechler | 101,921 | 17 Jul, 2025 | |
| Matthew Strobeck | 55,920 | 27 May, 2025 | |
| Brian J. Blaser | President And Ceo | 54,675 | 02 Feb, 2026 |
| Robert Joseph Bujarski | Evp & Coo | 44,810 | 17 Oct, 2024 |
| Joseph M. Busky | Chief Financial Officer | 44,170 | 02 Feb, 2026 |
| Michelle A Hodges | Chief Legal Officer | 39,555 | 03 Feb, 2026 |
| Kenneth J Widder | 37,061 | 25 Nov, 2025 | |
| Werner Kroll | Svp And Research & Development | 36,357 | 30 Jul, 2024 |
| Edward L. Michael | 21,352 | 27 May, 2025 | |
| Philip D. Mclellan | Chief Operations Officer | 19,174 | 03 Feb, 2026 |
| Michael S. Iskra | Evp & Cco | 16,644 | 04 Jun, 2024 |
| Ann D Rhoads | 15,021 | 10 Dec, 2025 | |
| Jonathan Philip Siegrist | Evp Of R&D & Cto | 13,419 | 02 Feb, 2026 |
| Mary Lake Ph D Polan | 12,640 | 24 Nov, 2025 | |
| Joseph D Jr. Wilkins | 11,876 | 01 Dec, 2025 | |
| Evelyn S Dilsaver | 10,624 | 28 May, 2025 | |
| Ronald Lee Bowman | Chief Human Resources Officer | 3,375 | 02 Feb, 2026 |
| John R Chiminski | 2,523 | 27 May, 2025 | |
| R Scott Huennekens | 2,523 | 27 May, 2025 | |
| Christopher M Smith | 2,249 | 08 Jun, 2023 | |
| Louise Brandy | Svp And Chief Information Officer | 2,154 | 30 Apr, 2024 |
| James Prutow | 1,519 | 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 |
|---|---|---|---|---|---|---|---|---|
| 31 Jan, 2026 | Michelle A Hodges | Common Stock | A | 1,814 | $0.00 | 40,206 | D | A |
| 31 Jan, 2026 | Michelle A Hodges | Common Stock | D | 578 | $27.17 | 38,392 | D | F |
| 31 Jan, 2026 | Michelle A Hodges | Common Stock | D | 651 | $27.17 | 39,555 | D | F |
| 31 Jan, 2026 | Michelle A Hodges | Common Stock | A | 1,610 | $0.00 | 38,970 | D | A |
| 31 Jan, 2026 | Philip D. Mclellan | Common Stock | A | 634 | $0.00 | 19,402 | D | A |
| 31 Jan, 2026 | Philip D. Mclellan | Common Stock | D | 304 | $27.17 | 17,433 | D | F |
| 31 Jan, 2026 | Philip D. Mclellan | Common Stock | D | 421 | $27.17 | 16,890 | D | F |
| 31 Jan, 2026 | Philip D. Mclellan | Common Stock | D | 674 | $27.17 | 18,768 | D | F |
| 31 Jan, 2026 | Philip D. Mclellan | Common Stock | A | 1,127 | $0.00 | 17,311 | D | A |
| 31 Jan, 2026 | Philip D. Mclellan | Common Stock | A | 847 | $0.00 | 17,737 | D | A |
| 31 Jan, 2026 | Philip D. Mclellan | Common Stock | A | 2,009 | $0.00 | 19,442 | D | A |
| 31 Jan, 2026 | Philip D. Mclellan | Common Stock | D | 228 | $27.17 | 19,174 | D | F |
| 29 Jan, 2026 | Joseph M. Busky | Common Stock | A | 8,425 | $0.00 | 39,852 | D | A |
| 29 Jan, 2026 | Joseph M. Busky | Common Stock | D | 2,602 | $27.41 | 37,250 | D | F |
| 29 Jan, 2026 | Brian J. Blaser | Common Stock | D | 7,755 | $27.41 | 25,142 | D | F |
| 29 Jan, 2026 | Brian J. Blaser | Common Stock | A | 21,446 | $0.00 | 32,897 | D | A |
| 29 Jan, 2026 | Michelle A Hodges | Common Stock | A | 7,836 | $0.00 | 40,432 | D | A |
| 29 Jan, 2026 | Michelle A Hodges | Common Stock | D | 3,072 | $27.41 | 37,360 | D | F |
| 29 Jan, 2026 | Ronald Lee Bowman | Common Stock | D | 1,210 | $27.41 | 3,375 | D | F |
| 29 Jan, 2026 | Ronald Lee Bowman | Common Stock | A | 2,938 | $0.00 | 4,585 | D | A |