Hacker Severin's Form 4 filing
Duolingo, Inc. (DUOL) · filed Oct 7, 2025
- Accession no.
- 0001628280-25-044485
- Filed
- Oct 7, 2025
- Trade date
- Oct 6, 2025
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Checked
This filing lists 12 non-derivative transactions and 3 derivative transactions. Open-market sales total $3.22M. It was filed 1 day 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 |
|---|---|---|---|---|---|---|---|---|
| Oct 6, 2025 | Class A Common Stock | CConversionAcquired | +10,000 | $38.08 | +$380,800 | 10,072 | Direct | |
| Oct 6, 2025 | Class A Common Stock | SSaleDisposed | −500 | $317.31 | −$158,655 | 9,572 | Direct | |
| Oct 6, 2025 | Class A Common Stock | SSaleDisposed | −1,916 | $318.26 | −$609,786.16 | 7,656 | Direct | |
| Oct 6, 2025 | Class A Common Stock | SSaleDisposed | −1,599 | $319.56 | −$510,976.44 | 6,057 | Direct | |
| Oct 6, 2025 | Class A Common Stock | SSaleDisposed | −1,803 | $320.33 | −$577,554.99 | 4,254 | Direct | |
| Oct 6, 2025 | Class A Common Stock | SSaleDisposed | −1,173 | $321.39 | −$376,990.47 | 3,081 | Direct | |
| Oct 6, 2025 | Class A Common Stock | SSaleDisposed | −109 | $322.62 | −$35,165.58 | 2,972 | Direct | |
| Oct 6, 2025 | Class A Common Stock | SSaleDisposed | −300 | $324.10 | −$97,230 | 2,672 | Direct | |
| Oct 6, 2025 | Class A Common Stock | SSaleDisposed | −500 | $325.22 | −$162,610 | 2,172 | Direct | |
| Oct 6, 2025 | Class A Common Stock | SSaleDisposed | −600 | $326.50 | −$195,900 | 1,572 | Direct | |
| Oct 6, 2025 | Class A Common Stock | SSaleDisposed | −1,300 | $327.44 | −$425,672 | 272 | Direct | |
| Oct 6, 2025 | Class A Common Stock | SSaleDisposed | −200 | $328.76 | −$65,752 | 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 |
|---|---|---|---|---|---|---|---|---|
| Oct 6, 2025 | Class B Common Stock | MOption exerciseDisposed | −10,000 | $0.00 | $0 | 35,252 | Direct | |
| Oct 6, 2025 | Class A Common Stock | CConversionAcquired | +10,000 | $0.00 | $0 | 96,075 | Direct | |
| Oct 6, 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.