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 Barbara Bispham.

Business address: 221 Crescent Street, Building 23, Suite 205, Waltham, MA, 02453
Top holdings (ownership): CBIO

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Barbara Bispham has filed 2 SEC EDGAR filings since 30 Jun 2025

Recent SEC filings for Barbara Bispham including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	FORM 4	17 Dec 2025	15 Dec 2025	001-36177
3	Open 3 document	View SEC filing for 3	OWNERSHIP DOCUMENT	30 Jun 2025	13 Jun 2025	001-36177

Barbara Bispham files with the SEC under CIK 0002075230. 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.