OSCR Oscar Health, Inc.
Oscar Health, Inc. (OSCR) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 12% planned / 88% discretionary
Largest single sale: $18.2M.
Where they traded
Last open-market purchase: April 6, 2026 , by Bertolini Mark T .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| WITTMAN VANESSA AMES | Director | Sell 10b5-1 | 25,000 | $32.24 | $806.0K | 112,121 −18.2% of holding | |
| Schlosser Mario | Director | Sell 10b5-1 | 31,422 | $31.45 | $988.2K | 449,444 −6.5% of holding | |
| Blackley Richard Scott | Chief Financial Officer | Sell 10b5-1 | 28,869 | $31.45 | $907.9K | 1,046,108 −2.7% of holding | |
| Liang Janet | President, Oscar Insurance | Sell 10b5-1 | 10,360 | $31.45 | $325.8K | 248,697 −4% of holding | |
| McAnaney Adam | Chief Legal Officer | Sell 10b5-1 | 9,092 | $31.45 | $285.9K | 209,004 −4.2% of holding | |
| Baltrus Victoria | Chief Accounting Officer | Sell 10b5-1 | 958 | $31.45 | $30.1K | 213,631 −0.4% of holding | |
| Schlosser Mario | Director | Sell | 150,000 | $30.79 | $4.6M | 480,866 −23.8% of holding | |
| Schlosser Mario | Director | Sell | 600,000 | $30.34 | $18.2M | 480,866 −55.5% of holding | |
| Blackley Richard Scott | Chief Financial Officer | Sell | 18,750 | $31.74 | $595.1K | 56,250 −25% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.