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Companies
▲ Purchases (1 ops.)
▼ Sales (20 ops.)
Latest filing published 13 Oct 2026 for Duolingo, Inc., €15k. Read the official filing
Filing timeline
BuySaleMario Schlosser
Insider track record
Disclosed buys
1
Disclosed sells
20
Signal history
Closed purchases
Market purchases
1
Not enough history yet: 1 closed purchase, at least 2 are needed.
Purchases by company
Since each purchase
- -66.8%Entry US$17.15 · Close at T+365 US$5.70
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Mario Schlosser: trading record in brief
Mario Schlosser (chief executive) discloses dealings in 2 companies, chiefly Oscar Health, Inc. and Duolingo, Inc. In total, 49 filings cover trades dated from 18 August 2021 to 10 October 2026.
Market trades split into 1 purchase (€854k) and 20 sales (€22.6M). No amount is published for 12 filings, which the totals therefore leave out. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Besides market trades, the filings include 10 share grants and 4 option exercises. Since January 2026: no purchases and 18 sales on the market.
The record was last updated on 13 October 2026 with a share grant (€15k) in Duolingo, Inc. The last purchase on record was published on 17 September 2021, which is 1,857 days ago. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. Section 16 rules allow two business days to file each Form 4. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to Mario Schlosser
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations49 total
116 shares@ US$149.92Class A Common StockSEC:0001628280-26-065789:0
31,422 shares@ US$31.450.011% mcap1.9% of flowClass A Common StockSEC:0001844320-26-000018:0
600,000 shares@ US$30.340.20% mcap35.0% of flowClass A Common StockSEC:0001844320-26-000016:1
150,000 sharesClass A Common StockSEC:0001844320-26-000016:2
600,000 sharesClass A Common StockSEC:0001844320-26-000016:0
150,000 shares@ US$30.790.051% mcap8.9% of flowClass A Common StockSEC:0001844320-26-000016:3
140 shares@ US$124.760.0003% mcap100.0% of flowClass A Common StockSEC:0001628280-26-048221:0
3,600 shares@ US$29.500.0012% mcap0.2% of flowClass A Common StockSEC:0001844320-26-000013:1
30,228 shares@ US$31.650.011% mcap1.9% of flowClass A Common StockSEC:0001844320-26-000013:3
47,500 sharesClass A Common StockSEC:0001844320-26-000013:0
13,672 shares@ US$30.800.0047% mcap0.8% of flowClass A Common StockSEC:0001844320-26-000013:2
880,000 sharesClass A Common StockSEC:0001844320-26-000011:0
286,988 sharesClass A Common StockSEC:0001844320-26-000011:1
591,213 sharesClass A Common StockSEC:0001844320-26-000011:2
1,799 sharesClass A Common StockSEC:0001844320-26-000011:3
50,000 sharesClass A Common StockSEC:0001844320-26-000011:4
16,307 sharesClass A Common StockSEC:0001844320-26-000011:5
33,591 sharesClass A Common StockSEC:0001844320-26-000011:6
102 sharesClass A Common StockSEC:0001844320-26-000011:7
50,000 sharesClass A Common StockSEC:0001844320-26-000011:8
16,306 sharesClass A Common StockSEC:0001844320-26-000011:9
33,592 sharesClass A Common StockSEC:0001844320-26-000011:10
102 sharesClass A Common StockSEC:0001844320-26-000011:11
47,500 sharesClass A Common StockSEC:0001844320-26-000011:12
15,491 sharesClass A Common StockSEC:0001844320-26-000011:13
25 of 49 declarations
