Reporting owner
Hacker Severin
Reporting owner CIK 0001870272 · Chief Tech Officer, Co-Founder · Director · 10% owner
These transactions appear in filings associated with this reporting owner. Jointly reported quantities and amounts are unallocated; they are not this owner's individual purchases or total holdings. Names and roles reflect the relevant filing, and a reporting owner may be a person or an organization.
Transaction timeline
Who reported an acquisition, and when the transaction occurred.
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition
10 dated transactions · 1 of 1 reporting owners shown. Select one owner to focus the chart.
View timeline as a table
| Transaction date | Company / security | Reporting owners | Acquisition type |
|---|---|---|---|
| Dec 8, 2025 | Duolingo, Inc.Class A Common Stock | Hacker Severin | Conversion |
| Dec 3, 2025 | Duolingo, Inc.Class B Common Stock | Hacker Severin | Exercise / conversion |
| Dec 1, 2025 | Duolingo, Inc.Class B Common Stock | Hacker Severin | Exercise / conversion |
| Nov 19, 2025 | Duolingo, Inc.Class B Common Stock | Hacker Severin | Conversion |
| Nov 19, 2025 | Duolingo, Inc.Class A Common Stock | Hacker Severin | Conversion |
| Nov 4, 2025 | Duolingo, Inc.Class B Common Stock | Hacker Severin | Conversion |
| Nov 4, 2025 | Duolingo, Inc.Class A Common Stock | Hacker Severin | Conversion |
| Oct 20, 2025 | Duolingo, Inc.Class B Common Stock | Hacker Severin | Exercise / conversion |
| Oct 20, 2025 | Duolingo, Inc.Class B Common Stock | Hacker Severin | Conversion |
| Oct 20, 2025 | Duolingo, Inc.Class A Common Stock | Hacker Severin | Conversion |
Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.
Transactions in associated filings
| Filed / transacted | Company | Reporting owners | Type / security | Quantity | Price / reference value | Details |
|---|---|---|---|---|---|---|
| Trade: | Duolingo, Inc.DUOL · company listings | Hacker SeverinChief Tech Officer, Co-Founder · Director · 10% owner | ConversionClass A Common StockNon-derivative security · Code C | 50,000 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Duolingo, Inc.DUOL · company listings | Hacker SeverinChief Tech Officer, Co-Founder · Director · 10% owner | Exercise / conversionClass B Common StockDerivative security · Code M | 5,252 | 38.08Value: 199,996.16Currency not specified | View ↗ |
| Trade: | Duolingo, Inc.DUOL · company listings | Hacker SeverinChief Tech Officer, Co-Founder · Director · 10% owner | Exercise / conversionClass B Common StockDerivative security · Code M | 60,000 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Duolingo, Inc.DUOL · company listings | Hacker SeverinChief Tech Officer, Co-Founder · Director · 10% owner | ConversionClass B Common StockDerivative security · Code C | 10,000 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Duolingo, Inc.DUOL · company listings | Hacker SeverinChief Tech Officer, Co-Founder · Director · 10% owner | ConversionClass A Common StockNon-derivative security · Code C | 10,000 | 38.08Value: 380,800Currency not specified | View ↗ |
| Trade: | Duolingo, Inc.DUOL · company listings | Hacker SeverinChief Tech Officer, Co-Founder · Director · 10% owner | ConversionClass B Common StockDerivative security · Code C | 10,000 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Duolingo, Inc.DUOL · company listings | Hacker SeverinChief Tech Officer, Co-Founder · Director · 10% owner | ConversionClass A Common StockNon-derivative security · Code C | 10,000 | 38.08Value: 380,800Currency not specified | View ↗ |
| Trade: | Duolingo, Inc.DUOL · company listings | Hacker SeverinChief Tech Officer, Co-Founder · Director · 10% owner | Exercise / conversionClass B Common StockDerivative security · Code M | 60,000 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Duolingo, Inc.DUOL · company listings | Hacker SeverinChief Tech Officer, Co-Founder · Director · 10% owner | ConversionClass B Common StockDerivative security · Code C | 10,000 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Duolingo, Inc.DUOL · company listings | Hacker SeverinChief Tech Officer, Co-Founder · Director · 10% owner | ConversionClass A Common StockNon-derivative security · Code C | 10,000 | 38.08Value: 380,800Currency not specified | View ↗ |
10 transactions on this page. Filing date, newest first.