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Hacker Severin
Chief Tech OfficerCo-FounderDirector10% OwnerCIK 0001870272
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 14
- Buy transactions
- 0
- Sell transactions
- 98
- Companies
- 1
- Active
- 2025–2026
Hacker Severin, Chief Tech Officer, Co-Founder, Director, 10% Owner, accounts for 14 disclosed filings worth $35.1M, all concentrated in Duolingo, Inc. (DUOL), active 2025–2026. The record is heavily weighted toward selling, with $0 in purchases against $28.1M in sales. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
14 loaded
| May 29 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Exercise | $0 |
| Feb 20 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Exercise | $0 |
| Dec 9 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Gift | $0 |
| Dec 3 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Exercise | $200.0K |
| Nov 20 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Sell | $1.7M |
| Oct 22 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Sell | $3.1M |
| Oct 7 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Sell | $3.2M |
| Sep 22 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Sell | $2.9M |
| Sep 9 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Sell | $2.7M |
| Aug 22 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Gift | $0 |
| Aug 21 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Sell | $3.4M |
| Aug 7 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Sell | $3.4M |
| Jul 22 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Sell | $3.6M |
| Jul 9 | DUOL Duolingo, Inc. | Hacker Severin | Chief Tech Officer, Co-Founder, Director, 10% Owner | Sell | $3.9M |
14 filings