Stephen C. Chen SEC EDGAR Filings (CIK 0001869758)

SEC EDGAR filings, ownership reports, and insider transactions for 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 61 SEC EDGAR filings since 27 Jul 2021

Latest Filings

Recent SEC filings for Stephen C. Chen including 4, 144, 4/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 30 Dec 2025 29 Dec 2025 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 19 Nov 2025 17 Nov 2025 001-40653
144 Open 144 document View SEC filing for 144 18 Nov 2025
144 Open 144 document View SEC filing for 144 17 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 19 Sep 2025 18 Sep 2025 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 28 Aug 2025 26 Aug 2025 001-40653
144 Open 144 document View SEC filing for 144 26 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 18 Aug 2025 15 Aug 2025 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 15 Aug 2025 15 Aug 2025 001-40653
144 Open 144 document View SEC filing for 144 15 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 19 May 2025 16 May 2025 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 16 May 2025 15 May 2025 001-40653
144 Open 144 document View SEC filing for 144 16 May 2025
144 Open 144 document View SEC filing for 144 15 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 19 Feb 2025 18 Feb 2025 001-40653
144 Open 144 document View SEC filing for 144 19 Feb 2025
144 Open 144 document View SEC filing for 144 18 Feb 2025
144 Open 144 document View SEC filing for 144 18 Feb 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Feb 2025 06 Feb 2025 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 20 Dec 2024 19 Dec 2024 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 20 Nov 2024 18 Nov 2024 001-40653
144 Open 144 document View SEC filing for 144 18 Nov 2024
4 Open 4 document View SEC filing for 4 FORM 4 18 Nov 2024 15 Nov 2024 001-40653
144 Open 144 document View SEC filing for 144 15 Nov 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Sep 2024 30 Aug 2024 001-40653
144 Open 144 document View SEC filing for 144 30 Aug 2024
4 Open 4 document View SEC filing for 4 FORM 4 16 Aug 2024 15 Aug 2024 001-40653
144 Open 144 document View SEC filing for 144 15 Aug 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2024 28 Jun 2024 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 16 May 2024 15 May 2024 001-40653
144 Open 144 document View SEC filing for 144 15 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 20 Feb 2024 15 Feb 2024 001-40653
144 Open 144 document View SEC filing for 144 15 Feb 2024
4 Open 4 document View SEC filing for 4 FORM 4 12 Feb 2024 09 Feb 2024 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 05 Jan 2024 04 Jan 2024 001-40653
144 Open 144 document View SEC filing for 144 04 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 16 Nov 2023 15 Nov 2023 001-40653
144 Open 144 document View SEC filing for 144 15 Nov 2023
4 Open 4 document View SEC filing for 4 FORM 4 12 Sep 2023 08 Sep 2023 001-40653
144 Open 144 document View SEC filing for 144 08 Sep 2023
4 Open 4 document View SEC filing for 4 FORM 4 17 Aug 2023 15 Aug 2023 001-40653
144 Open 144 document View SEC filing for 144 15 Aug 2023
4 Open 4 document View SEC filing for 4 FORM 4 17 May 2023 15 May 2023 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 16 May 2023 15 May 2023 001-40653
144 Open 144 document View SEC filing for 144 15 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 22 Mar 2023 21 Mar 2023 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 08 Mar 2023 07 Mar 2023 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 17 Feb 2023 15 Feb 2023 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 17 Nov 2022 15 Nov 2022 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 17 Aug 2022 15 Aug 2022 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 27 Jun 2022 24 Jun 2022 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 22 Jun 2022 21 Jun 2022 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 10 Jun 2022 08 Jun 2022 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 18 May 2022 16 May 2022 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 17 May 2022 13 May 2022 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2022 28 Feb 2022 001-40653
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 24 Feb 2022 15 Feb 2022 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 17 Feb 2022 15 Feb 2022 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 17 Nov 2021 15 Nov 2021 001-40653
4 Open 4 document View SEC filing for 4 FORM 4 22 Sep 2021 15 Aug 2021 001-40653
3 Open 3 document View SEC filing for 3 FORM 3 27 Jul 2021 27 Jul 2021 001-40653

About this filer

Stephen C. Chen files with the SEC under CIK 0001869758. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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