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 DEBORAH J. NEFF.

Business address: C/O Cytek Biosciences, Inc., 47215 Lakeview Blvd., Fremont, CA, 94538
Top holdings (ownership): CTKB

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DEBORAH J. NEFF has filed 15 SEC EDGAR filings since 24 Jul 2003

Recent SEC filings for DEBORAH J. NEFF including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4		20 Jun 2025	18 Jun 2025	001-40632
4	Open 4 document	View SEC filing for 4		09 Jun 2025	05 Jun 2025	001-40632
4	Open 4 document	View SEC filing for 4		07 Jun 2024	05 Jun 2024	001-40632
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	16 Jun 2023	14 Jun 2023	001-40632
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	03 Jun 2022	01 Jun 2022	001-40632
3	Open 3 document	View SEC filing for 3	FORM 3 SUBMISSION	03 Jun 2022	01 Jun 2022	001-40632
3	Open 3 document	View SEC filing for 3	PRIMARY DOCUMENT	07 Nov 2011	26 Oct 2011	001-07928

DEBORAH J. NEFF files with the SEC under CIK 0001221786. 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.