🕵️ Quidelortho Corp ($QDEL)
SEC insider & ownership activity, last 12 months · CIK 1906324 · every row links its SEC filing
Over the last 12 months insiders sold $112K against $1.2M of open-market buying. Brian J. Blaser bought $750K in discretionary trades (Nov–Feb). BlackRock, Inc. added 12.5% → 14.8%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
6 buyers, $1.2M (8 lots) · 1 seller, $112K (1 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Brian J. Blaser | 2 | $750K | 0 | – | Feb 13, 2026 |
| Strobeck Matthew | 1 | $240K | 0 | – | Feb 13, 2026 |
| Joseph M. Busky | 2 | $204K | 0 | – | Feb 13, 2026 |
| Kenneth J. Widder | 0 | – | 1 | $112K | Nov 25, 2025 |
| Polan MARY Lake PH D | 1 | $22K | 0 | – | Nov 21, 2025 |
| Ann D. Rhoads | 1 | $21K | 0 | – | Dec 10, 2025 |
| Joseph D. Wilkins Jr. | 1 | $10K | 0 | – | Nov 26, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 14.8% | 13G | Jul 17, 2025 | filing ↗ | |
| FMR LLC | 11.5% | 13G | May 7, 2026 | filing ↗ | |
| Abigail P. Johnson | 11.5% | 13G | May 7, 2026 | filing ↗ | |
| Newtyn Management, LLC | 9.7% | 13G | Aug 14, 2026 | filing ↗ | |
| Newtyn Management, LLC | 6.7% | 13G | May 6, 2026 | filing ↗ | |
| Newtyn TE Partners, LP | 6.3% | 13G | Aug 14, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 6.0% | 13G | Apr 29, 2026 | filing ↗ | |
| Rubric Capital Management LP | 5.6% | 13G | Feb 13, 2026 | filing ↗ | |
| David Rosen | 5.6% | 13G | Feb 13, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 30, 2026 | filing ↗ | |
| Invesco Ltd. | 5.1% | 13G | Aug 13, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Kenneth Widder | $112K | Nov 25, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 22, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 22, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 16, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Earnings (2.02) | Apr 15, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 15, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 18, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 18, 2026 | filing ↗ |
| Earnings (2.02) | Feb 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 11, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 9, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 10, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 10, 2025 | filing ↗ |
| Earnings (2.02) | Nov 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 5, 2025 | filing ↗ |