Severin Hacker
Chief Tech Officer, Co-Founder at Duolingo Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Duolingo Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Duolingo Inc. June 12, 202497.2%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Dec 8, 2025 | Duolingo Inc. | Derivative conversion | +50,000 | — | — |
| Dec 8, 2025 | Duolingo Inc. | Gift | −50,000 | — | — |
| Nov 19, 2025 | Duolingo Inc. | Derivative conversion | +10,000 | $38.08 | $380,800 |
| Nov 19, 2025 | Duolingo Inc. | Open-market sale | −1,146 | $169.57 | $194,327 |
| Nov 19, 2025 | Duolingo Inc. | Open-market sale | −1,000 | $170.55 | $170,550 |
| Nov 19, 2025 | Duolingo Inc. | Open-market sale | −2,009 | $171.50 | $344,544 |
| Nov 19, 2025 | Duolingo Inc. | Open-market sale | −1,281 | $172.39 | $220,832 |
| Nov 19, 2025 | Duolingo Inc. | Open-market sale | −760 | $173.74 | $132,042 |
| Nov 19, 2025 | Duolingo Inc. | Open-market sale | −3,089 | $174.61 | $539,370 |
| Nov 19, 2025 | Duolingo Inc. | Open-market sale | −435 | $175.46 | $76,325 |
| Nov 19, 2025 | Duolingo Inc. | Open-market sale | −280 | $176.68 | $49,470 |
| Nov 4, 2025 | Duolingo Inc. | Derivative conversion | +10,000 | $38.08 | $380,800 |
| Nov 4, 2025 | Duolingo Inc. | Open-market sale | −744 | $257.92 | $191,892 |
| Nov 4, 2025 | Duolingo Inc. | Open-market sale | −936 | $258.77 | $242,209 |
| Nov 4, 2025 | Duolingo Inc. | Open-market sale | −560 | $259.71 | $145,438 |
Questions about Severin Hacker
What boards is Severin Hacker on?
Severin Hacker sits on the board of Duolingo Inc.
How long has Severin Hacker served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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