SEC Form 4 Reporting Owner · CIK 0001492289
Brian J. Blaser
CEO at QuidelOrtho Corp · Director at Quanterix Corp · Director at Rockley Photonics Holdings Ltd · +1 more
Bought (12 mo)
+$750K
Sold (12 mo)
—
Form 4 Filings
15
Companies
4
Filing Activity
2026-05-19
first filed 2021-10-20
Trading record
Open-market buys
+$1.2M
4 filings
Open-market sales
—
0 filings
Sales under a 10b5-1 plan
—
No open-market sales
Companies
| Company | Role | Filings | Bought | Sold | Net | Holding after latest filing |
|---|---|---|---|---|---|---|
| QDELQuidelOrtho Insider trading | CEO | 8 | 40,073 | — | +40,073 | 85,974 2026-05-19 |
| QTRXQuanterix Insider trading | Director | 2 | — | — | — | 19,049 2024-01-04 |
| RKLYRockley Photonics Holdings Ltd | Director | 4 | 47,060 | — | +47,060 | 54,393 2022-06-08 |
| TLISTalis Biomedical Insider trading | CEO | 1 | — | — | — | — |
Common-stock shares bought and sold on the open market, as reported on Form 4. The holding is what the latest filing at each company reported owning after its transactions.