Stephen C. Chen

Business address
C/O Duolingo, Inc., 5900 Penn Ave., Pittsburgh, PA, 15206
Top holdings (ownership)
DUOL
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Stephen C. Chen has filed 60 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 19 Nov 2025 17 Nov 2025 001-40653
144 Open Document Open Filing 18 Nov 2025
144 Open Document Open Filing 17 Nov 2025
4 Open Document Open Filing FORM 4 19 Sep 2025 18 Sep 2025 001-40653
4 Open Document Open Filing FORM 4 28 Aug 2025 26 Aug 2025 001-40653
144 Open Document Open Filing 26 Aug 2025
4 Open Document Open Filing FORM 4 18 Aug 2025 15 Aug 2025 001-40653
4 Open Document Open Filing FORM 4 15 Aug 2025 15 Aug 2025 001-40653
144 Open Document Open Filing 15 Aug 2025
4 Open Document Open Filing FORM 4 19 May 2025 16 May 2025 001-40653
4 Open Document Open Filing FORM 4 16 May 2025 15 May 2025 001-40653
144 Open Document Open Filing 16 May 2025
144 Open Document Open Filing 15 May 2025
4 Open Document Open Filing FORM 4 19 Feb 2025 18 Feb 2025 001-40653
144 Open Document Open Filing 19 Feb 2025
144 Open Document Open Filing 18 Feb 2025
144 Open Document Open Filing 18 Feb 2025
4 Open Document Open Filing FORM 4 07 Feb 2025 06 Feb 2025 001-40653
4 Open Document Open Filing FORM 4 20 Dec 2024 19 Dec 2024 001-40653
4 Open Document Open Filing FORM 4 20 Nov 2024 18 Nov 2024 001-40653
144 Open Document Open Filing 18 Nov 2024
4 Open Document Open Filing FORM 4 18 Nov 2024 15 Nov 2024 001-40653
144 Open Document Open Filing 15 Nov 2024
4 Open Document Open Filing FORM 4 03 Sep 2024 30 Aug 2024 001-40653
144 Open Document Open Filing 30 Aug 2024
4 Open Document Open Filing FORM 4 16 Aug 2024 15 Aug 2024 001-40653
144 Open Document Open Filing 15 Aug 2024
4 Open Document Open Filing FORM 4 02 Jul 2024 28 Jun 2024 001-40653
4 Open Document Open Filing FORM 4 16 May 2024 15 May 2024 001-40653
144 Open Document Open Filing 15 May 2024
4 Open Document Open Filing FORM 4 20 Feb 2024 15 Feb 2024 001-40653
144 Open Document Open Filing 15 Feb 2024
4 Open Document Open Filing FORM 4 12 Feb 2024 09 Feb 2024 001-40653
4 Open Document Open Filing FORM 4 05 Jan 2024 04 Jan 2024 001-40653
144 Open Document Open Filing 04 Jan 2024
4 Open Document Open Filing FORM 4 16 Nov 2023 15 Nov 2023 001-40653
144 Open Document Open Filing 15 Nov 2023
4 Open Document Open Filing FORM 4 12 Sep 2023 08 Sep 2023 001-40653
144 Open Document Open Filing 08 Sep 2023
4 Open Document Open Filing FORM 4 17 Aug 2023 15 Aug 2023 001-40653
144 Open Document Open Filing 15 Aug 2023
4 Open Document Open Filing FORM 4 17 May 2023 15 May 2023 001-40653
4 Open Document Open Filing FORM 4 16 May 2023 15 May 2023 001-40653
144 Open Document Open Filing 15 May 2023
4 Open Document Open Filing FORM 4 22 Mar 2023 21 Mar 2023 001-40653
4 Open Document Open Filing FORM 4 08 Mar 2023 07 Mar 2023 001-40653
4 Open Document Open Filing FORM 4 17 Feb 2023 15 Feb 2023 001-40653
4 Open Document Open Filing FORM 4 17 Nov 2022 15 Nov 2022 001-40653
4 Open Document Open Filing FORM 4 17 Aug 2022 15 Aug 2022 001-40653
4 Open Document Open Filing FORM 4 27 Jun 2022 24 Jun 2022 001-40653
4 Open Document Open Filing FORM 4 22 Jun 2022 21 Jun 2022 001-40653
4 Open Document Open Filing FORM 4 10 Jun 2022 08 Jun 2022 001-40653
4 Open Document Open Filing FORM 4 18 May 2022 16 May 2022 001-40653
4 Open Document Open Filing FORM 4 17 May 2022 13 May 2022 001-40653
4 Open Document Open Filing FORM 4 SUBMISSION 02 Mar 2022 28 Feb 2022 001-40653
4/A Open Document Open Filing FORM 4/A 24 Feb 2022 15 Feb 2022 001-40653
4 Open Document Open Filing FORM 4 17 Feb 2022 15 Feb 2022 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
3 Open Document Open Filing FORM 3 27 Jul 2021 27 Jul 2021 001-40653