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 Stephen Mitchener.

Business address: C/O Axcella Health Inc., 840 Memorial Drive, Cambridge, MA, 02139
Top holdings (ownership): KPTI

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Stephen Mitchener has filed 9 SEC EDGAR filings since 08 May 2019

Recent SEC filings for Stephen Mitchener 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 SUBMISSION	02 Mar 2023	28 Feb 2023	001-36167
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	01 Sep 2022	31 Aug 2022	001-36167
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	02 Mar 2022	28 Feb 2022	001-36167
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	03 Dec 2021	02 Dec 2021	001-36167
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	03 Jun 2021	02 Jun 2021	001-36167
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	01 Jun 2021	30 May 2021	001-36167
3	Open 3 document	View SEC filing for 3	FORM 3 SUBMISSION	05 Jan 2021	31 Dec 2020	001-36167
4	Open 4 document	View SEC filing for 4	4	20 Dec 2019	18 Dec 2019	001-38901
3	Open 3 document	View SEC filing for 3	3	08 May 2019	08 May 2019	001-38901

Stephen Mitchener files with the SEC under CIK 0001774519. 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.