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 BRYAN SUPRAN.

Business address: 675 West Kendall Street, Henri A. Termeer Square, Cambridge, MA, 02142
Top holdings (ownership): ALNY

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BRYAN SUPRAN has filed 6 SEC EDGAR filings since 09 Feb 2011

Recent SEC filings for BRYAN SUPRAN 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	03 Oct 2025	01 Oct 2025	001-36407
3	Open 3 document	View SEC filing for 3	PRIMARY DOCUMENT	22 Sep 2025	15 Sep 2025	001-36407
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	16 Nov 2020	16 Nov 2020	001-39695
3	Open 3 document	View SEC filing for 3	FORM 3 SUBMISSION	06 Aug 2020	06 Aug 2020	000-56114
3	Open 3 document	View SEC filing for 3	PRIMARY DOCUMENT	29 Sep 2011	22 Sep 2011	001-34217
3	Open 3 document	View SEC filing for 3	FORM 3	09 Feb 2011	31 Jan 2011	001-15875

BRYAN SUPRAN files with the SEC under CIK 0001511797. 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.