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.

SEC EDGAR filings, ownership reports, and insider transactions for Nina Chen-Langenmayr.

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Nina Chen-Langenmayr has filed 7 SEC EDGAR filings since 23 Sep 2022

Recent SEC filings for Nina Chen-Langenmayr including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	15 May 2025	14 May 2025	001-10765
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	08 Aug 2024	07 Aug 2024	001-10765
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	16 May 2024	15 May 2024	001-10765
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	19 Dec 2023	01 Dec 2023	001-10765
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	18 May 2023	17 May 2023	001-10765
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	23 Sep 2022	21 Sep 2022	001-10765
3	Open 3 document	View SEC filing for 3	PRIMARY DOCUMENT	23 Sep 2022	21 Sep 2022	001-10765

Nina Chen-Langenmayr files with the SEC under CIK 0001947699. This page aggregates EDGAR filings and related ownership activity.

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.