Hacker Severin

Chief Tech Officer, Co-Founder, Director, 10% OwnerDuolingo, Inc. (DUOL) · full profile →Form 4 · filed Dec 3, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
5
0 non-derivative · 5 derivative

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Dec 3, 2025Option exercise(M)5K$00
Dec 3, 2025Option exercise(M)5K$38.08$200K148K
Dec 1, 2025Option exercise(M)60K$0330K
Dec 1, 2025Option exercise(M)60K$0174K
Dec 1, 2025Tax withholding(F)32K$185.45$5.9M143K

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001628280-25-055183) within minutes of acceptance. Every field above traces to the original document. Verify it directly: