Schlosser Mario, President of Technology and CTO at Oscar Health ($OSCR), sold shares on the open market 10 times over the past year, totaling nearly $19.8 million. His most recent sale occurred on March 2, 2026. These sales rank 679th among 11,678 individual insiders, above the average sale amount of $8.6 million and 6.4 transactions per insider. Schlosser Mario made no open market purchases in the last 365 days.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 2, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 24335 | $13.39 | 514,986.0000 | 262,388,000 | 4.51% | 0.01% |
| March 2, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | A | Class A Common Stock | 189141 | $0.00 | 539,321.0000 | 262,388,000 | 54.01% | 0.07% |
| Jan. 8, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class A Common Stock | 23038 | $0.00 | 373,218.0000 | 262,388,000 | 6.58% | 0.01% |
| Jan. 8, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class B Common Stock | 23038 | $0.00 | 2,732,292.0000 | 262,388,000 | 0.84% | 0.01% |
| Jan. 8, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 23038 | $17.65 | 350,180.0000 | 262,388,000 | 6.17% | 0.01% |
| Jan. 6, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 76962 | $17.01 | 350,180.0000 | 262,388,000 | 18.02% | 0.03% |
| Jan. 6, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class B Common Stock | 76962 | $0.00 | 2,755,330.0000 | 262,388,000 | 2.72% | 0.03% |
| Jan. 6, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class A Common Stock | 76962 | $0.00 | 427,142.0000 | 262,388,000 | 21.98% | 0.03% |
| Jan. 2, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 137933 | $15.02 | 360,215.0000 | 262,388,000 | 27.69% | 0.05% |
| Jan. 5, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class B Common Stock | 86893 | $0.00 | 2,832,292.0000 | 262,388,000 | 2.98% | 0.03% |
| Jan. 2, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class B Common Stock | 59800 | $0.00 | 2,919,185.0000 | 262,388,000 | 2.01% | 0.02% |
| Jan. 5, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 96928 | $15.64 | 350,180.0000 | 262,388,000 | 21.68% | 0.04% |
| Jan. 5, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class A Common Stock | 86893 | $0.00 | 447,108.0000 | 262,388,000 | 24.12% | 0.03% |
| Jan. 2, 2026 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class A Common Stock | 59800 | $0.00 | 498,148.0000 | 262,388,000 | 13.64% | 0.02% |
| Dec. 24, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 38835 | $15.00 | 438,348.0000 | 259,273,000 | 8.14% | 0.01% |
| Dec. 2, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 23965 | $16.59 | 477,183.0000 | 259,273,000 | 4.78% | 0.01% |
| Nov. 11, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class B Common Stock | 286182 | $0.00 | 2,942,955.0000 | 259,273,000 | 8.86% | 0.11% |
| Nov. 11, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class A Common Stock | 286182 | $0.00 | 787,330.0000 | 259,273,000 | 57.11% | 0.11% |
| Nov. 11, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 286182 | $15.27 | 501,148.0000 | 259,273,000 | 36.35% | 0.11% |
| Nov. 12, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class A Common Stock | 105300 | $0.00 | 606,448.0000 | 259,273,000 | 21.01% | 0.04% |
| Nov. 12, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 105300 | $15.05 | 501,148.0000 | 259,273,000 | 17.36% | 0.04% |
| Nov. 11, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | M | Stock Option (Right to Buy) | 413835 | $0.00 | 141,330.0000 | 259,273,000 | 74.54% | 0.16% |
| Nov. 11, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | M | Class B Common Stock | 413835 | $6.36 | 3,229,137.0000 | 259,273,000 | 14.70% | 0.16% |
| Nov. 12, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | M | Stock Option (Right to Buy) | 141330 | $0.00 | 0.0000 | 259,273,000 | 100.00% | 0.05% |
| Nov. 12, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | M | Class B Common Stock | 141330 | $6.36 | 3,084,285.0000 | 259,273,000 | 4.80% | 0.05% |
| Nov. 12, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class B Common Stock | 105300 | $0.00 | 2,978,985.0000 | 259,273,000 | 3.41% | 0.04% |
| Sept. 22, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class A Common Stock | 395000 | $0.00 | 896,148.0000 | 265,853,000 | 78.82% | 0.15% |
| Sept. 22, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | C | Class B Common Stock | 395000 | $0.00 | 2,815,302.0000 | 265,853,000 | 12.30% | 0.15% |
| Sept. 22, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | M | Class B Common Stock | 555165 | $6.36 | 3,210,302.0000 | 265,853,000 | 20.91% | 0.21% |
| Sept. 22, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | M | Stock Option (Right to Buy) | 555165 | $0.00 | 555,165.0000 | 265,853,000 | 50.00% | 0.21% |
| Sept. 22, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 395000 | $18.43 | 501,148.0000 | 265,853,000 | 44.08% | 0.15% |
| Sept. 2, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | F | Class A Common Stock | 23879 | $16.66 | 501,148.0000 | 265,853,000 | 4.55% | 0.01% |
| June 11, 2025 | Duolingo, Inc. | $DUOL | Schlosser Mario | Director | A | Class A Common Stock | 379 | $0.00 | 379.0000 | 47,101,000 | 9999.99% | 0.00% |
| June 2, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | F | Class A Common Stock | 23879 | $13.80 | 525,027.0000 | 265,853,000 | 4.35% | 0.01% |
| March 5, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | A | Class A Common Stock | 172269 | $0.00 | 375,966.0000 | 265,853,000 | 84.57% | 0.06% |
| March 1, 2025 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | F | Class A Common Stock | 7970 | $14.61 | 203,697.0000 | 265,853,000 | 3.77% | 0.00% |
| Dec. 2, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 6399 | $18.07 | 82,079.0000 | 301,459,000 | 7.23% | 0.00% |
| Dec. 1, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | M | Restricted Stock Unit | 14412 | $0.00 | 129,705.0000 | 301,459,000 | 10.00% | 0.00% |
| Dec. 2, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 117 | $18.48 | 81,962.0000 | 301,459,000 | 0.14% | 0.00% |
| Dec. 1, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | M | Class A Common Stock | 14412 | $0.00 | 88,478.0000 | 301,459,000 | 19.46% | 0.00% |
| Sept. 4, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 1605 | $17.46 | 75,377.0000 | 221,655,000 | 2.08% | 0.00% |
| Sept. 3, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 3198 | $17.99 | 76,982.0000 | 221,655,000 | 3.99% | 0.00% |
| Sept. 1, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | M | Class A Common Stock | 14412 | $0.00 | 80,180.0000 | 221,655,000 | 21.91% | 0.01% |
| Sept. 1, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | M | Restricted Stock Unit | 14412 | $0.00 | 144,117.0000 | 221,655,000 | 9.09% | 0.01% |
| Sept. 4, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 1311 | $17.85 | 74,066.0000 | 221,655,000 | 1.74% | 0.00% |
| July 1, 2024 | Duolingo, Inc. | $DUOL | Schlosser Mario | Director | A | Restricted Stock Units | 1742 | $0.00 | 1,742.0000 | 46,522,000 | 9999.99% | 0.00% |
| June 1, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | M | Class A Common Stock | 14411 | $0.00 | 71,728.0000 | 221,655,000 | 25.14% | 0.01% |
| June 3, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 5808 | $19.46 | 65,920.0000 | 221,655,000 | 8.10% | 0.00% |
| June 4, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | S | Class A Common Stock | 152 | $19.09 | 65,768.0000 | 221,655,000 | 0.23% | 0.00% |
| June 1, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | M | Restricted Stock Unit | 14411 | $0.00 | 158,529.0000 | 221,655,000 | 8.33% | 0.01% |
| March 10, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | A | Class A Common Stock | 172940 | $0.00 | 172,940.0000 | 221,655,000 | 9999.99% | 0.08% |
| March 10, 2024 | Oscar Health, Inc. | $OSCR | Schlosser Mario | President of Technology & CTO | A | Class A Common Stock | 172940 | $0.00 | 172,940.0000 | 221,655,000 | 9999.99% | 0.08% |