Hacker Severin
- SEC CIK
- 0001870272
In the past year, 4 open-market sale filings worth $10.7M and no purchases.
Current role at each company
- DUOL Duolingo, Inc.Chief Tech Officer, Co-Founderas of May 29, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $10.7M
- 4 filings
- Net
- −$10.7M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Hacker Severin as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 9, 2025 (view filing) | Sep 5 | 4 days | Hacker SeverinChief Tech Officer, Co-Founder | SSaleClass A Common Stock | −10.0K | $268.55 | −$2.69M | −99.3%72 after | 8 lots10b5-1 |
| Sep 22, 2025 (view filing) | Sep 19 | 3 days | Hacker SeverinChief Tech Officer, Co-Founder | SSaleClass A Common Stock | −10.0K | $288.93 | −$2.89M | −99.3%72 after | 5 lots10b5-1 |
| Oct 7, 2025 (view filing) | Oct 6 | 1 day | Hacker SeverinChief Tech Officer, Co-Founder | SSaleClass A Common Stock | −10.0K | $321.63 | −$3.22M | −99.3%72 after | 11 lots10b5-1 |
| Oct 22, 2025 (view filing) | Oct 20 | 2 days | Hacker SeverinChief Tech Officer, Co-Founder | SSaleClass A Common Stock | −10.0K | $314.72 | −$3.15M | −99.3%72 after | 15 lots10b5-1 |
| Nov 6, 2025 (view filing) | Nov 4 | 2 days | Hacker SeverinChief Tech Officer, Co-Founder | SSaleClass A Common Stock | −10.0K | $263.13 | −$2.63M | −99.3%72 after | 10 lots10b5-1 |
| Nov 20, 2025 (view filing) | Nov 19 | 1 day | Hacker SeverinChief Tech Officer, Co-Founder | SSaleClass A Common Stock | −10.0K | $172.75 | −$1.73M | −99.3%72 after | 8 lots10b5-1 |