William Gassen
Director · Oscar Health, Inc.
Individual
- 2025
- Oct 13, 2026
- 7
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William Gassen 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.
- Mark T. Bertolini - $82.60M in OSCR purchases and sales in the last 12 months
- Mario Schlosser - $62.90M in OSCR purchases and sales in the last 12 months
- Richard Scott Blackley - $7.94M in OSCR purchases and sales in the last 12 months
- Janet Liang - $821K in OSCR purchases and sales in the last 12 months
- Vanessa Ames Wittman - $806K in OSCR purchases and sales in the last 12 months
- Adam McAnaney - $784K in OSCR purchases and sales in the last 12 months
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Frequently asked questions
Who is William Gassen?
William Gassen is a corporate insider, tracked as Director of Oscar Health, Inc. (OSCR). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has William Gassen submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
