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 Daniel D. Long.

Business address: C/O Septerna, Inc., 250 East Grand Avenue, South San Francisco, CA, 94080
Top holdings (ownership): SEPN

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Daniel D. Long has filed 4 SEC EDGAR filings since 24 Oct 2024

Recent SEC filings for Daniel D. Long including 4, 144, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	4	13 Nov 2025	10 Nov 2025	001-42382
144	Open 144 document	View SEC filing for 144		10 Nov 2025
4	Open 4 document	View SEC filing for 4	4	11 Aug 2025	07 Aug 2025	001-42382
3	Open 3 document	View SEC filing for 3	3	24 Oct 2024	24 Oct 2024	001-42382

Daniel D. Long files with the SEC under CIK 0002040349. 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.