Mark T. Bertolini
Chief Executive Officer, Director · Oscar Health, Inc.
- 2026
- Jul 1, 2026
- 5
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark T. Bertolini 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.
- Mario Schlosser - $62.90M in OSCR purchases and sales in the last 12 months
- Hans Erik Vestberg - $11.16M in VZ purchases and sales in the last 12 months
- Richard Scott Blackley - $7.94M in OSCR purchases and sales in the last 12 months
- Samantha Hammock - $3.50M in VZ 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
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Frequently asked questions
Who is Mark T. Bertolini?
Mark T. Bertolini is a corporate insider, tracked as Chief Executive Officer, Director of Oscar Health, Inc. (OSCR). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Mark T. Bertolini last file a Form 4?
The most recent primary Form 4 on record is dated 1 July 2026, one of 5 filings going back to 2026.
Has Mark T. Bertolini been buying or selling stock?
Recorded transactions: 1 open-market purchase ($11.92M) and 8 open-market sales ($70.68M) across all tracked filings.
