Nathaniel Sisitsky
Chief Legal Officer · QuidelOrtho Corp
Individual
- 2025
- Apr 22, 2026
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Nathaniel Sisitsky files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- BROADWOOD PARTNERS, L.P. - $62.75M in STAA purchases and sales in the last 12 months
- Brian J. Blaser - $750K in QDEL purchases and sales in the last 12 months
- Joseph M. Busky - $284K in QDEL purchases and sales in the last 12 months
- Matthew Strobeck - $240K in QDEL purchases and sales in the last 12 months
- Kenneth J. Widder - $112K in QDEL purchases and sales in the last 12 months
- Mary Lake Ph D. Polan - $22K in QDEL purchases and sales in the last 12 months
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Frequently asked questions
Who is Nathaniel Sisitsky?
Nathaniel Sisitsky is a corporate insider, tracked as Chief Legal Officer of QuidelOrtho Corp (QDEL). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Nathaniel Sisitsky last file a Form 4?
The most recent primary Form 4 on record is dated 22 April 2026, one of 2 filings going back to 2025.
