Hacker Severin
SEC insider (Form 3/4/5 filer). CIK 0001870272. Chief Tech Officer, Co-Founder at Duolingo, Inc. (DUOL). 395 reported Form 4/5 transactions since Sep 2024; latest on May 27, 2026. Located in PITTSBURGH, PA.
Companies Hacker Severin has filed insider reports for
- Duolingo, Inc. (DUOL): Director, Officer, 10% Owner, Chief Tech Officer, Co-Founder
Hacker Severin
CIK: 0001870272
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Duolingo, Inc.
Discretionary Trading P&L
Holdings
Transaction History (395 total)
- May 27, 2026DUOL
Duolingo, Inc.
ExerciseDirectClass B Common Stock
60K shares- - May 27, 2026DUOL
Duolingo, Inc.
Tax PaymentDirectClass B Common Stock
31.9K shares at avg. $107.82- - May 27, 2026DUOL
Duolingo, Inc.
ExerciseDirectPerformance-Based Restricted Stock Units
60K shares- - Feb 17, 2026DUOL
Duolingo, Inc.
ExerciseDirectClass B Common Stock
60K shares- - Feb 17, 2026DUOL
Duolingo, Inc.
Tax PaymentDirectClass B Common Stock
30.6K shares at avg. $112.57- - Feb 17, 2026DUOL
Duolingo, Inc.
ExerciseDirectPerformance-Based Restricted Stock Units
60K shares- - Dec 8, 2025DUOL
Duolingo, Inc.
GiftDirect50K shares- - Dec 8, 2025DUOL
Duolingo, Inc.
ConversionDirect50K shares- - Dec 3, 2025DUOL
Duolingo, Inc.
ExerciseDirectStock Option (Right to Buy)
5.3K shares- - Dec 3, 2025DUOL
Duolingo, Inc.
ExerciseDirectClass B Common Stock
5.3K shares at avg. $38.08-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 27, 2026 | DUOL Duolingo, Inc. | Exercise Class B Common Stock | 60,000 | - | - | Direct |
| May 27, 2026 | DUOL Duolingo, Inc. | Tax Payment Class B Common Stock | 31,920 | $107.82 | - | Direct |
| May 27, 2026 | DUOL Duolingo, Inc. | Exercise Performance-Based Restricted Stock Units | 60,000 | - | - | Direct |
| Feb 17, 2026 | DUOL Duolingo, Inc. | Exercise Class B Common Stock | 60,000 | - | - | Direct |
| Feb 17, 2026 | DUOL Duolingo, Inc. | Tax Payment Class B Common Stock | 30,594 | $112.57 | - | Direct |
| Feb 17, 2026 | DUOL Duolingo, Inc. | Exercise Performance-Based Restricted Stock Units | 60,000 | - | - | Direct |
| Dec 8, 2025 | DUOL Duolingo, Inc. | Gift | 50,000 | - | - | Direct |
| Dec 8, 2025 | DUOL Duolingo, Inc. | Conversion | 50,000 | - | - | Direct |
| Dec 3, 2025 | DUOL Duolingo, Inc. | Exercise Stock Option (Right to Buy) | 5,252 | - | - | Direct |
| Dec 3, 2025 | DUOL Duolingo, Inc. | Exercise Class B Common Stock | 5,252 | $38.08 | - | Direct |
1-10 of 395 transactions