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 Alison S. Long.

Business address: Kaleido Biosciences, Inc., 65 Hayden Avenue, Lexington, MA, 02421
Top holdings (ownership): TSHA

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Alison S. Long has filed 7 SEC EDGAR filings since 16 Dec 2021

Recent SEC filings for Alison S. Long including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4		04 Jun 2025	02 Jun 2025	001-39536
4	Open 4 document	View SEC filing for 4		31 May 2024	29 May 2024	001-39536
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	03 Nov 2023	01 Nov 2023	001-39536
3	Open 3 document	View SEC filing for 3	FORM 3 SUBMISSION	03 Nov 2023	01 Nov 2023	001-39536
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	18 Jan 2022	14 Jan 2022	001-38822
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	16 Dec 2021	15 Dec 2021	001-38822
3	Open 3 document	View SEC filing for 3	FORM 3 SUBMISSION	16 Dec 2021	15 Dec 2021	001-38822

Alison S. Long files with the SEC under CIK 0001891712. 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.