Hacker Severin
| Company Ticker | Role | Filing Date/Time (ET) | Transaction Type | Transaction Value | Filing |
|---|---|---|---|---|---|
| DUOL | Chief Tech Officer, Co-Founder | Nov 20, 2025 05:38 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Nov 20, 2025 05:38 PM | Sale |
$1.73M |
|
| DUOL | Chief Tech Officer, Co-Founder | Nov 6, 2025 04:19 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Nov 6, 2025 04:19 PM | Sale |
$2.63M |
|
| DUOL | Chief Tech Officer, Co-Founder | Oct 22, 2025 08:16 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Oct 22, 2025 08:16 PM | Sale |
$3.15M |
|
| DUOL | Chief Tech Officer, Co-Founder | Oct 7, 2025 04:13 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Oct 7, 2025 04:13 PM | Sale |
$3.22M |
|
| DUOL | Chief Tech Officer, Co-Founder | Sep 22, 2025 04:17 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Sep 22, 2025 04:17 PM | Sale |
$2.89M |
|
| DUOL | Chief Tech Officer, Co-Founder | Sep 9, 2025 08:09 AM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Sep 9, 2025 08:09 AM | Sale |
$2.69M |
|
| DUOL | Chief Tech Officer, Co-Founder | Aug 22, 2025 05:09 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Aug 22, 2025 05:09 PM |
Bona fide gift |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Aug 21, 2025 08:43 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Aug 21, 2025 08:43 PM | Sale |
$3.45M |
|
| DUOL | Chief Tech Officer, Co-Founder | Aug 7, 2025 09:10 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Aug 7, 2025 09:10 PM | Sale |
$3.44M |
|
| DUOL | Chief Tech Officer, Co-Founder | Jul 22, 2025 08:46 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jul 22, 2025 08:46 PM | Sale |
$3.6M |
|
| DUOL | Chief Tech Officer, Co-Founder | Jul 9, 2025 05:11 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jul 9, 2025 05:11 PM | Sale |
$3.93M |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 23, 2025 08:29 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 23, 2025 08:29 PM | Sale |
$4.71M |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 10, 2025 05:37 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 10, 2025 05:37 PM |
Bona fide gift |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 9, 2025 05:17 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 9, 2025 05:17 PM | Sale |
$5.25M |
|
| DUOL | Chief Tech Officer, Co-Founder | May 20, 2025 04:11 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | May 20, 2025 04:11 PM | Sale |
$5.25M |
|
| DUOL | Chief Tech Officer, Co-Founder | May 7, 2025 04:06 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | May 7, 2025 04:06 PM | Sale |
$4.96M |
|
| DUOL | Chief Tech Officer, Co-Founder | Apr 23, 2025 04:12 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Apr 23, 2025 04:12 PM | Sale |
$3.14M |
|
| DUOL | Chief Tech Officer, Co-Founder | Apr 9, 2025 04:07 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Apr 9, 2025 04:07 PM | Sale |
$2.92M |
|
| DUOL | Chief Tech Officer, Co-Founder | Mar 21, 2025 06:59 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Mar 21, 2025 06:59 PM | Sale |
$2.98M |
|
| DUOL | Chief Tech Officer, Co-Founder | Mar 6, 2025 08:54 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Mar 6, 2025 08:54 PM | Sale |
$2.91M |
|
| DUOL | Chief Tech Officer, Co-Founder | Feb 21, 2025 04:32 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Feb 21, 2025 04:32 PM | Sale |
$4.34M |
|
| DUOL | Chief Tech Officer, Co-Founder | Feb 6, 2025 07:27 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Feb 6, 2025 07:27 PM | Sale |
$3.91M |
|
| DUOL | Chief Tech Officer, Co-Founder | Jan 23, 2025 04:40 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jan 23, 2025 04:40 PM | Sale |
$3.34M |
|
| DUOL | Chief Tech Officer, Co-Founder | Jan 7, 2025 04:06 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jan 7, 2025 04:06 PM | Sale |
$3.36M |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 20, 2024 04:16 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 20, 2024 04:16 PM | Sale |
$3.37M |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 16, 2024 04:20 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 16, 2024 04:20 PM | Sale |
$14.85M |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 13, 2024 05:09 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 13, 2024 05:09 PM | Sale |
$14.13M |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 13, 2024 04:04 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 13, 2024 04:04 PM | Sale |
$64.14M |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 2, 2024 08:31 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 2, 2024 08:31 PM |
Bona fide gift |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Aug 26, 2024 04:25 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Aug 26, 2024 04:25 PM |
Bona fide gift |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Aug 2, 2024 04:34 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Aug 2, 2024 04:34 PM | Sale |
$1.66M |
|
| DUOL | Chief Tech Officer, Co-Founder | Jul 2, 2024 04:58 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jul 2, 2024 04:58 PM | Sale |
$1.99M |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 5, 2024 04:32 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 5, 2024 04:32 PM | Sale |
$1.96M |
|
| DUOL | Chief Tech Officer, Co-Founder | May 3, 2024 07:39 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | May 3, 2024 07:39 PM | Sale |
$2.23M |
|
| DUOL | Chief Tech Officer, Co-Founder | Apr 2, 2024 04:30 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Apr 2, 2024 04:30 PM | Sale |
$2.18M |
|
| DUOL | Chief Tech Officer, Co-Founder | Mar 15, 2024 07:46 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Mar 15, 2024 07:46 PM |
Bona fide gift |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Mar 4, 2024 04:40 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Mar 4, 2024 04:40 PM | Sale |
$2.35M |
|
| DUOL | Chief Tech Officer, Co-Founder | Feb 5, 2024 04:17 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Feb 5, 2024 04:17 PM | Sale |
$1.79M |
|
| DUOL | Chief Tech Officer, Co-Founder | Jan 3, 2024 04:52 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jan 3, 2024 04:52 PM | Sale |
$2.14M |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 4, 2023 04:10 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 4, 2023 04:10 PM | Sale |
$2.13M |
|
| DUOL | Chief Tech Officer, Co-Founder | Nov 2, 2023 04:29 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Nov 2, 2023 04:29 PM | Sale |
$1.47M |
|
| DUOL | Chief Tech Officer, Co-Founder | Oct 5, 2023 04:14 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Oct 5, 2023 04:14 PM | Sale |
$1.65M |
|
| DUOL | Chief Tech Officer, Co-Founder | Sep 19, 2023 04:18 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Sep 19, 2023 04:18 PM |
Bona fide gift |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Sep 6, 2023 08:43 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Sep 6, 2023 08:43 PM | Sale |
$1.49M |
|
| DUOL | Chief Tech Officer, Co-Founder | May 2, 2023 07:34 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | May 2, 2023 07:34 PM | Sale |
$1.38M |
|
| DUOL | Chief Tech Officer, Co-Founder | Apr 4, 2023 04:20 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Apr 4, 2023 04:20 PM | Sale |
$1.42M |
|
| DUOL | Chief Tech Officer, Co-Founder | Mar 2, 2023 09:50 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Mar 2, 2023 09:50 PM | Sale |
$1.08M |
|
| DUOL | Chief Tech Officer, Co-Founder | Feb 2, 2023 08:06 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Feb 2, 2023 08:06 PM | Sale |
$955.86K |
|
| DUOL | Chief Tech Officer, Co-Founder | Jan 27, 2023 04:28 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jan 27, 2023 04:28 PM |
Bona fide gift |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jan 11, 2023 04:44 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jan 11, 2023 04:44 PM | Sale |
$750.68K |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 15, 2022 04:44 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Dec 15, 2022 04:44 PM | Sale |
$755.03K |
|
| DUOL | Chief Tech Officer, Co-Founder | Nov 2, 2022 04:52 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Nov 2, 2022 04:52 PM | Sale |
$818.11K |
|
| DUOL | Chief Tech Officer, Co-Founder | Oct 4, 2022 04:46 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Oct 4, 2022 04:46 PM | Sale |
$965.42K |
|
| DUOL | Chief Tech Officer, Co-Founder | Sep 6, 2022 08:20 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Sep 6, 2022 08:20 PM | Sale |
$920.9K |
|
| DUOL | Chief Tech Officer, Co-Founder | Aug 2, 2022 04:37 PM |
Option Exercise |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Aug 2, 2022 04:37 PM | Sale |
$942.59K |
|
| DUOL | Chief Tech Officer, Co-Founder | Jul 5, 2022 04:39 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jul 5, 2022 04:39 PM | Sale |
$912.24K |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 27, 2022 07:13 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 27, 2022 07:13 PM | Sale |
$1.97M |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 21, 2022 04:28 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 21, 2022 04:28 PM | Sale |
$1.83M |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 13, 2022 05:08 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 13, 2022 05:08 PM | Sale |
$1.96M |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 3, 2022 04:14 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Tech Officer, Co-Founder | Jun 3, 2022 04:14 PM | Sale |
$1.66M |
|
| DUOL | Chief Technology Officer, | Feb 10, 2022 05:39 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Technology Officer, | Feb 10, 2022 05:39 PM |
Bona fide gift |
N/A |
|
| DUOL | Chief Technology Officer, | Dec 10, 2021 05:27 PM |
Option Exercise |
N/A |
|
| DUOL | Chief Technology Officer, | Dec 10, 2021 05:27 PM | Sale |
$3.96K |
|
| DUOL | Chief Technology Officer, | Nov 17, 2021 04:51 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Technology Officer, | Nov 17, 2021 04:51 PM | Sale |
$4.33M |
|
| DUOL | Chief Technology Officer, | Aug 2, 2021 09:48 PM |
Conversion of derivative security |
N/A |
|
| DUOL | Chief Technology Officer, | Aug 2, 2021 09:48 PM | Sale |
$5.1M |