Hacker Severin

CIK 00018702721 companyPITTSBURGH, PA

SEC Profile

Transactions

Companies

Filings

CIK

0001870272

Recent Transactions

50 trades

Exercise/Conversion
Duolingo, Inc.$DUOL
Class B Common Stock
2025-12-03$38.08/sh+5,252→ 147,787 total
Exercise/Conversion
Duolingo, Inc.$DUOL
Stock Option (Right to Buy)
2025-12-03−5,252→ 0 total
Exercise/Conversion
Duolingo, Inc.$DUOL
Stock Option (Right to Buy)
2025-12-03−5,252→ 0 total
Exercise/Conversion
Duolingo, Inc.$DUOL
Class B Common Stock
2025-12-03$38.08/sh+5,252→ 147,787 total
Exercise/Conversion
Duolingo, Inc.$DUOL
Class B Common Stock
2025-12-01+60,000→ 174,305 total
Tax Payment
Duolingo, Inc.$DUOL
Class B Common Stock
2025-12-01$185.45/sh−31,770→ 142,535 total
Exercise/Conversion
Duolingo, Inc.$DUOL
Performance-Based Restricted Stock Units
2025-12-01−60,000→ 330,000 total
Exercise/Conversion
Duolingo, Inc.$DUOL
Class B Common Stock
2025-12-01+60,000→ 174,305 total
Tax Payment
Duolingo, Inc.$DUOL
Class B Common Stock
2025-12-01$185.45/sh−31,770→ 142,535 total
Exercise/Conversion
Duolingo, Inc.$DUOL
Performance-Based Restricted Stock Units
2025-12-01−60,000→ 330,000 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$359.30/sh−200→ 272 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$340.03/sh−1,700→ 7,369 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$342.00/sh−1,318→ 4,072 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$347.48/sh−500→ 2,372 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$345.02/sh−300→ 3,472 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$363.05/sh−200→ 72 total
Exercise/Conversion
Duolingo, Inc.$DUOL
Stock Option (Right to Buy)
2025-08-19−10,000→ 65,252 total
Conversion
Duolingo, Inc.$DUOL
Class B Common Stock
2025-08-19+10,000→ 96,075 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$354.88/sh−400→ 572 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$348.82/sh−400→ 1,972 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$354.08/sh−300→ 972 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$339.15/sh−1,003→ 9,069 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$349.28/sh−100→ 1,872 total
Conversion
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$38.08/sh+10,000→ 10,072 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$346.14/sh−600→ 2,872 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$351.29/sh−400→ 1,472 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$343.82/sh−300→ 3,772 total
Conversion
Duolingo, Inc.$DUOL
Class B Common Stock
2025-08-19−10,000→ 86,075 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$340.92/sh−1,979→ 5,390 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$357.67/sh−100→ 472 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2025-08-19$352.40/sh−200→ 1,272 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2024-06-03$195.86/sh−300→ 5,701 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2024-06-03$194.51/sh−600→ 6,001 total
Conversion
Duolingo, Inc.$DUOL
Class B Common Stock
2024-06-03−10,000→ 2,994,917 total
Conversion
Duolingo, Inc.$DUOL
Class A Common Stock
2024-06-03+10,000→ 10,000 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2024-06-03$192.50/sh−1,600→ 8,400 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2024-06-03$196.96/sh−1,204→ 4,497 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2024-06-03$200.09/sh−1,495→ 100 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2024-06-03$197.87/sh−1,300→ 3,197 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2024-06-03$199.03/sh−1,602→ 1,595 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2024-06-03$200.59/sh−100→ 0 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2024-06-03$193.44/sh−1,799→ 6,601 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2022-06-23$99.04/sh−9,008→ 2,987 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2022-06-23$99.62/sh−2,987→ 0 total
Conversion
Duolingo, Inc.$DUOL
Class A Common Stock
2022-06-23+20,000→ 20,000 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2022-06-23$98.07/sh−3,962→ 11,995 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2022-06-23$95.61/sh−1,400→ 18,200 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2022-06-23$97.05/sh−2,243→ 15,957 total
Sale
Duolingo, Inc.$DUOL
Class A Common Stock
2022-06-23$94.97/sh−400→ 19,600 total
Conversion
Duolingo, Inc.$DUOL
Class B Common Stock
2022-06-23−20,000→ 3,291,417 total

Companies

Duolingo, Inc.
Director, Chief Tech Officer, Co-Founder, 10% Owner
$DUOL

Recent Filings

Address

C/O DUOLINGO, INC. 5900 PENN AVENUE 5900 PENN AVENUE

PITTSBURGH, PA, 15206

View on SEC.gov