Severin Hacker

Business address
C/O Duolingo, Inc., 5900 Penn Ave., Pittsburgh, PA, 15206
Top holdings (ownership)
DUOL
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Severin Hacker has filed 85 SEC EDGAR filings since 27 Jul 2021

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 09 Dec 2025 08 Dec 2025 001-40653
4 Open Document Open Filing FORM 4 03 Dec 2025 01 Dec 2025 001-40653
4 Open Document Open Filing FORM 4 20 Nov 2025 19 Nov 2025 001-40653
4 Open Document Open Filing FORM 4 06 Nov 2025 04 Nov 2025 001-40653
4 Open Document Open Filing FORM 4 22 Oct 2025 20 Oct 2025 001-40653
4 Open Document Open Filing FORM 4 07 Oct 2025 06 Oct 2025 001-40653
144 Open Document Open Filing 06 Oct 2025
4 Open Document Open Filing FORM 4 22 Sep 2025 19 Sep 2025 001-40653
4 Open Document Open Filing FORM 4 09 Sep 2025 05 Sep 2025 001-40653
4 Open Document Open Filing FORM 4 22 Aug 2025 20 Aug 2025 001-40653
4 Open Document Open Filing FORM 4 21 Aug 2025 19 Aug 2025 001-40653
4 Open Document Open Filing FORM 4 07 Aug 2025 05 Aug 2025 001-40653
4 Open Document Open Filing FORM 4 22 Jul 2025 21 Jul 2025 001-40653
4 Open Document Open Filing FORM 4 09 Jul 2025 07 Jul 2025 001-40653
4 Open Document Open Filing FORM 4 23 Jun 2025 20 Jun 2025 001-40653
144 Open Document Open Filing 20 Jun 2025
4 Open Document Open Filing FORM 4 10 Jun 2025 06 Jun 2025 001-40653
4 Open Document Open Filing FORM 4 09 Jun 2025 05 Jun 2025 001-40653
4 Open Document Open Filing FORM 4 20 May 2025 19 May 2025 001-40653
4 Open Document Open Filing FORM 4 07 May 2025 05 May 2025 001-40653
4 Open Document Open Filing FORM 4 23 Apr 2025 21 Apr 2025 001-40653
SCHEDULE 13G/A Open Document Open Filing 17 Apr 2025
4 Open Document Open Filing FORM 4 09 Apr 2025 07 Apr 2025 001-40653
4 Open Document Open Filing FORM 4 21 Mar 2025 19 Mar 2025 001-40653
144 Open Document Open Filing 19 Mar 2025
4 Open Document Open Filing FORM 4 06 Mar 2025 05 Mar 2025 001-40653
4 Open Document Open Filing FORM 4 21 Feb 2025 19 Feb 2025 001-40653
4 Open Document Open Filing FORM 4 06 Feb 2025 05 Feb 2025 001-40653
4 Open Document Open Filing FORM 4 23 Jan 2025 21 Jan 2025 001-40653
4 Open Document Open Filing FORM 4 07 Jan 2025 06 Jan 2025 001-40653
4 Open Document Open Filing FORM 4 03 Jan 2025 26 Dec 2024 001-40653
4 Open Document Open Filing FORM 4 20 Dec 2024 19 Dec 2024 001-40653
144 Open Document Open Filing 19 Dec 2024
4 Open Document Open Filing FORM 4 16 Dec 2024 13 Dec 2024 001-40653
4 Open Document Open Filing FORM 4 13 Dec 2024 12 Dec 2024 001-40653
4 Open Document Open Filing FORM 4 13 Dec 2024 11 Dec 2024 001-40653
144 Open Document Open Filing 11 Dec 2024
4 Open Document Open Filing FORM 4 02 Dec 2024 12 Nov 2024 001-40653
4/A Open Document Open Filing FORM 4/A 27 Nov 2024 22 Nov 2024 001-40653
4 Open Document Open Filing FORM 4 26 Nov 2024 22 Nov 2024 001-40653
4 Open Document Open Filing FORM 4 26 Aug 2024 22 Aug 2024 001-40653
4 Open Document Open Filing FORM 4 02 Aug 2024 01 Aug 2024 001-40653
4 Open Document Open Filing FORM 4 02 Jul 2024 01 Jul 2024 001-40653
4 Open Document Open Filing FORM 4 05 Jun 2024 03 Jun 2024 001-40653
144 Open Document Open Filing 03 Jun 2024
4 Open Document Open Filing FORM 4 03 May 2024 01 May 2024 001-40653
4 Open Document Open Filing FORM 4 02 Apr 2024 01 Apr 2024 001-40653
4 Open Document Open Filing FORM 4 15 Mar 2024 13 Mar 2024 001-40653
4 Open Document Open Filing FORM 4 04 Mar 2024 01 Mar 2024 001-40653
144 Open Document Open Filing 01 Mar 2024
SC 13G/A Open Document Open Filing SC 13G/A 05 Feb 2024
4 Open Document Open Filing FORM 4 05 Feb 2024 01 Feb 2024 001-40653
4 Open Document Open Filing FORM 4 03 Jan 2024 02 Jan 2024 001-40653
4 Open Document Open Filing FORM 4 04 Dec 2023 01 Dec 2023 001-40653
144 Open Document Open Filing 01 Dec 2023
4 Open Document Open Filing FORM 4 02 Nov 2023 01 Nov 2023 001-40653
4 Open Document Open Filing FORM 4 05 Oct 2023 02 Oct 2023 001-40653
4 Open Document Open Filing FORM 4 19 Sep 2023 30 Aug 2023 001-40653
4 Open Document Open Filing FORM 4 06 Sep 2023 31 May 2023 001-40653
144 Open Document Open Filing 01 Sep 2023
4 Open Document Open Filing FORM 4 16 Aug 2023 14 Aug 2023 001-40653
4 Open Document Open Filing FORM 4 02 May 2023 01 May 2023 001-40653
4 Open Document Open Filing FORM 4 04 Apr 2023 03 Apr 2023 001-40653
SC 13G/A Open Document Open Filing SC 13G/A 28 Mar 2023
4 Open Document Open Filing FORM 4 02 Mar 2023 01 Mar 2023 001-40653
4 Open Document Open Filing FORM 4 02 Feb 2023 01 Feb 2023 001-40653
4 Open Document Open Filing FORM 4 27 Jan 2023 12 Dec 2022 001-40653
4 Open Document Open Filing FORM 4 11 Jan 2023 09 Jan 2023 001-40653
4 Open Document Open Filing FORM 4 15 Dec 2022 14 Dec 2022 001-40653
4 Open Document Open Filing FORM 4 02 Nov 2022 01 Nov 2022 001-40653
4 Open Document Open Filing FORM 4 04 Oct 2022 03 Oct 2022 001-40653
4 Open Document Open Filing FORM 4 06 Sep 2022 01 Sep 2022 001-40653
4 Open Document Open Filing FORM 4 02 Aug 2022 01 Aug 2022 001-40653
4 Open Document Open Filing FORM 4 05 Jul 2022 01 Jul 2022 001-40653
4 Open Document Open Filing FORM 4 27 Jun 2022 23 Jun 2022 001-40653
4 Open Document Open Filing FORM 4 21 Jun 2022 16 Jun 2022 001-40653
4 Open Document Open Filing FORM 4 13 Jun 2022 09 Jun 2022 001-40653
4 Open Document Open Filing FORM 4 03 Jun 2022 01 Jun 2022 001-40653
SC 13G Open Document Open Filing SC 13G 11 Feb 2022
4 Open Document Open Filing FORM 4 10 Feb 2022 14 Dec 2021 001-40653
4 Open Document Open Filing FORM 4 10 Dec 2021 08 Dec 2021 001-40653
4 Open Document Open Filing FORM 4 17 Nov 2021 15 Nov 2021 001-40653
4 Open Document Open Filing FORM 4 22 Sep 2021 15 Aug 2021 001-40653
4 Open Document Open Filing FORM 4 02 Aug 2021 30 Jul 2021 001-40653
3 Open Document Open Filing FORM 3 27 Jul 2021 27 Jul 2021 001-40653