Bertolini Mark T sold $35.8M of OSCR
Bertolini Mark T (Chief Executive Officer) sold 1,238,996 shares of Oscar Health, Inc. (OSCR) at an average of $28.87 ($28.35–$30.08, $35.77M total) across 4 trades over 2026-06-29 to 2026-06-30 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The newest actionable element is the disclosed sale size ($35.77M) and execution window (June 29–30) by the CEO, which can influence short-term sentiment even if it is pre-planned.
Market read
Insider selling of this magnitude can be a minor sentiment overhang, but 10b5-1 labeling generally limits interpretive weight.
What to watch
Traders should compare this sale cadence to prior Form 4 activity and whether any concurrent insider buying occurred (not provided here).
Background
The article is an SEC Form 4 insider transaction disclosure for Oscar Health, Inc. (OSCR).
Ticker impact
Oscar Health CEO Mark T. Bertolini sold $35.77M of OSCR shares via an open-market sale under a 10b5-1 plan (Form 4 filed today).
Likely limited/short-lived impact; watch for follow-through only if selling accelerates beyond planned activity.
The filing discloses the transaction size, price range ($28.35–$30.08), and that it was executed under a pre-arranged 10b5-1 plan, which typically dampens interpretation as a fundamental warning.
Market effects
No direct sector read-through; this is company-specific insider activity.
None indicated.
None indicated.
Counterpoint
Because the trades were executed under a 10b5-1 plan, the selling may reflect routine liquidity needs rather than bearish expectations.
Key entities
- issuerOscar Health, Inc.
Subject of the Form 4 insider transaction; CEO sold shares totaling $35.77M under a 10b5-1 plan.
- insiderBertolini Mark T
CEO and director who executed the open-market sales disclosed in the filing.
