Hacker Severin's Form 4 filing
Duolingo, Inc. (DUOL) · filed Sep 22, 2025
- Accession no.
- 0001628280-25-042323
- Filed
- Sep 22, 2025
- Trade date
- Sep 19, 2025
- Filing delay
- 3 days
- Rule 10b5-1 plan
- Checked
This filing lists 6 non-derivative transactions and 3 derivative transactions. Open-market sales total $2.89M. It was filed 3 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Hacker SeverinCIK 0001870272 | Director, Officer (Chief Tech Officer, Co-Founder), 10% Owner |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 19, 2025 | Class A Common Stock | CConversionAcquired | +10,000 | $38.08 | +$380,800 | 10,072 | Direct | |
| Sep 19, 2025 | Class A Common Stock | SSaleDisposed | −1,300 | $286.77 | −$372,801 | 8,772 | Direct | |
| Sep 19, 2025 | Class A Common Stock | SSaleDisposed | −2,300 | $287.81 | −$661,963 | 6,472 | Direct | |
| Sep 19, 2025 | Class A Common Stock | SSaleDisposed | −2,300 | $288.81 | −$664,263 | 4,172 | Direct | |
| Sep 19, 2025 | Class A Common Stock | SSaleDisposed | −1,900 | $289.79 | −$550,601 | 2,272 | Direct | |
| Sep 19, 2025 | Class A Common Stock | SSaleDisposed | −2,200 | $290.78 | −$639,716 | 72 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 19, 2025 | Class B Common Stock | MOption exerciseDisposed | −10,000 | $0.00 | $0 | 45,252 | Direct | |
| Sep 19, 2025 | Class A Common Stock | CConversionAcquired | +10,000 | $0.00 | $0 | 96,075 | Direct | |
| Sep 19, 2025 | Class A Common Stock | CConversionDisposed | −10,000 | $0.00 | $0 | 86,075 | Direct |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.