Mario Schlosser
CIK: 0001844320
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (72 total)
- Oct 10, 2026DUOL
Duolingo, Inc.
Award(A)Direct116 shares at avg. $149.92$17K - Sep 3, 2026OSCR
Oscar Health, Inc.
Sale(S)Direct31.4K shares at avg. $31.45$988K - Aug 28, 2026OSCR
Oscar Health, Inc.
Conversion(C)Direct150K shares- - Aug 28, 2026OSCR
Oscar Health, Inc.
Exercise(M)DirectClass B Common Stock
150K shares at avg. $9.75- - Aug 28, 2026OSCR
Oscar Health, Inc.
Exercise(M)DirectStock Option (Right to Buy)
150K shares- - Aug 28, 2026OSCR
Oscar Health, Inc.
Sale(S)Direct150K shares at avg. $30.79$4.6M - Aug 27, 2026OSCR
Oscar Health, Inc.
Exercise(M)DirectStock Option (Right to Buy)
600K shares- - Aug 27, 2026OSCR
Oscar Health, Inc.
Sale(S)Direct600K shares at avg. $30.34$18.2M - Aug 27, 2026OSCR
Oscar Health, Inc.
Exercise(M)DirectClass B Common Stock
600K shares at avg. $9.75- - Aug 27, 2026OSCR
Oscar Health, Inc.
Conversion(C)Direct600K shares- - Jul 10, 2026DUOL
Duolingo, Inc.
Award(A)Direct140 shares at avg. $124.76$17K - Jul 1, 2026OSCR
Oscar Health, Inc.
Sale(S)Indirect3.6K shares at avg. $29.50$106K - Jul 1, 2026OSCR
Oscar Health, Inc.
Conversion(C)Indirect47.5K shares- - Jul 1, 2026OSCR
Oscar Health, Inc.
Sale(S)Indirect13.7K shares at avg. $30.80$421K - Jul 1, 2026OSCR
Oscar Health, Inc.
Sale(S)Indirect30.2K shares at avg. $31.65$957K - Jun 23, 2026OSCR
Oscar Health, Inc.
Sale(S)Indirect16.3K shares at avg. $28.95$472K - Jun 23, 2026OSCR
Oscar Health, Inc.
Conversion(C)Indirect50K shares- - Jun 23, 2026OSCR
Oscar Health, Inc.
Sale(S)Indirect102 shares at avg. $30.09$3K - Jun 23, 2026OSCR
Oscar Health, Inc.
Sale(S)Indirect15.5K shares at avg. $28.95$448K - Jun 23, 2026OSCR
Oscar Health, Inc.
Sale(S)Direct1.8K shares at avg. $30.09$54K - Jun 23, 2026OSCR
Oscar Health, Inc.
Sale(S)Direct591.2K shares at avg. $29.58$17.5M - Jun 23, 2026OSCR
Oscar Health, Inc.
Conversion(C)Indirect50K shares- - Jun 23, 2026OSCR
Oscar Health, Inc.
Sale(S)Direct287K shares at avg. $28.95$8.3M - Jun 23, 2026OSCR
Oscar Health, Inc.
Sale(S)Indirect16.3K shares at avg. $28.95$472K - Jun 23, 2026OSCR
Oscar Health, Inc.
Conversion(C)Direct880K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 10, 2026 |  DUOL Duolingo, Inc. | Award(A) | 116 | $149.92 | $17,391 | Direct |
| Sep 3, 2026 |  OSCR Oscar Health, Inc. | Sale(S) | 31,422 | $31.45 | $988,222 | Direct |
| Aug 28, 2026 | OSCR Oscar Health, Inc. | Conversion(C) | 150,000 | - | $0 | Direct |
| Aug 28, 2026 | OSCR Oscar Health, Inc. | Exercise(M) Class B Common Stock | 150,000 | $9.75 | - | Direct |
| Aug 28, 2026 | OSCR Oscar Health, Inc. | Exercise(M) Stock Option (Right to Buy) | 150,000 | - | - | Direct |
| Aug 28, 2026 | OSCR Oscar Health, Inc. | Sale(S) | 150,000 | $30.79 | $4,618,500 | Direct |
| Aug 27, 2026 | OSCR Oscar Health, Inc. | Exercise(M) Stock Option (Right to Buy) | 600,000 | - | - | Direct |
| Aug 27, 2026 | OSCR Oscar Health, Inc. | Sale(S) | 600,000 | $30.34 | $18,204,000 | Direct |
| Aug 27, 2026 | OSCR Oscar Health, Inc. | Exercise(M) Class B Common Stock | 600,000 | $9.75 | - | Direct |
| Aug 27, 2026 | OSCR Oscar Health, Inc. | Conversion(C) | 600,000 | - | $0 | Direct |
| Jul 10, 2026 | DUOL Duolingo, Inc. | Award(A) | 140 | $124.76 | $17,466 | Direct |
| Jul 1, 2026 | OSCR Oscar Health, Inc. | Sale(S) | 3,600 | $29.50 | $106,200 | Indirect |
| Jul 1, 2026 | OSCR Oscar Health, Inc. | Conversion(C) | 47,500 | - | $0 | Indirect |
| Jul 1, 2026 | OSCR Oscar Health, Inc. | Sale(S) | 13,672 | $30.80 | $421,098 | Indirect |
| Jul 1, 2026 | OSCR Oscar Health, Inc. | Sale(S) | 30,228 | $31.65 | $956,716 | Indirect |
| Jun 23, 2026 | OSCR Oscar Health, Inc. | Sale(S) | 16,306 | $28.95 | $472,059 | Indirect |
| Jun 23, 2026 | OSCR Oscar Health, Inc. | Conversion(C) | 50,000 | - | $0 | Indirect |
| Jun 23, 2026 | OSCR Oscar Health, Inc. | Sale(S) | 102 | $30.09 | $3,069 | Indirect |
| Jun 23, 2026 | OSCR Oscar Health, Inc. | Sale(S) | 15,491 | $28.95 | $448,464 | Indirect |
| Jun 23, 2026 | OSCR Oscar Health, Inc. | Sale(S) | 1,799 | $30.09 | $54,132 | Direct |
| Jun 23, 2026 | OSCR Oscar Health, Inc. | Sale(S) | 591,213 | $29.58 | $17,488,081 | Direct |
| Jun 23, 2026 | OSCR Oscar Health, Inc. | Conversion(C) | 50,000 | - | $0 | Indirect |
| Jun 23, 2026 | OSCR Oscar Health, Inc. | Sale(S) | 286,988 | $28.95 | $8,308,303 | Direct |
| Jun 23, 2026 | OSCR Oscar Health, Inc. | Sale(S) | 16,307 | $28.95 | $472,088 | Indirect |
| Jun 23, 2026 | OSCR Oscar Health, Inc. | Conversion(C) | 880,000 | - | $0 | Direct |
1-25 of 72 transactions
About Schlosser Mario
Schlosser Mario (SEC CIK 0001844320) files insider reports with the SEC as Director of Duolingo, Inc. (DUOL) and Director of Oscar Health, Inc. (OSCR).
Signal8 holds 24 ownership filings by Schlosser Mario, all Form 4s, filed between Sep 4, 2024 and Oct 13, 2026. Those filings report 72 transactions, from Sep 1, 2024 to Oct 10, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Schlosser Mario's filings is in PITTSBURGH, PA.
Recent filings by Schlosser Mario
- Oct 10, 2026: Grant or award of DUOL shares (Form 4, code A).
- Sep 3, 2026: Open-market sale of OSCR shares (Form 4, code S).
- Aug 28, 2026: Conversion of OSCR shares (Form 4, code C).
- Aug 28, 2026: Option exercises of OSCR derivative securities (2 lines, Form 4, code M).
- Aug 28, 2026: Open-market sale of OSCR shares (Form 4, code S).
Other insiders filing for Duolingo, Inc. (DUOL)
- Shelton James H, Director
- Lilly III John Osborne, Director
- Bohutinsky Amy, Director
- von Ahn Luis, President & CEO, Co-Founder
- Chen Stephen C., General Counsel
- GORDON WILLIAM B, Director