Arkolith/Insider Trading/DUOL/Form 4

Hacker Severin

Chief Tech Officer, Co-Founder, Director, 10% OwnerDuolingo, Inc. (DUOL) · full profile →Form 4 · filed Nov 20, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$1.7M
Net Open-Market Flow
-$1.7M
Transactions
12
9 non-derivative · 3 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Nov 19, 2025Conversion(C)10K$38.08$381K10K
Nov 19, 2025Sell(S)1K$169.57$194K9K
Nov 19, 2025Sell(S)1K$170.55$171K8K
Nov 19, 2025Sell(S)2K$171.50$345K6K
Nov 19, 2025Sell(S)1K$172.39$221K5K
Nov 19, 2025Sell(S)760$173.74$132K4K
Nov 19, 2025Sell(S)3K$174.61$539K787
Nov 19, 2025Sell(S)435$175.46$76K352
Nov 19, 2025Sell(S)280$176.68$49K72

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Nov 19, 2025Conversion(C)10K—$0124K
Nov 19, 2025Option exercise(M)10K—$05K
Nov 19, 2025Conversion(C)10K—$0114K

Transaction Codes

C
Conversion of a derivative
S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001628280-25-053427) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML