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 William Desmarais.

Business address: C/O Tscan Therapeutics, Inc., 830 Winter Street, Waltham, MA, 02451

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William Desmarais has filed 4 SEC EDGAR filings since 15 Jul 2021

Recent SEC filings for William Desmarais 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	27 Jul 2022	25 Jul 2022	001-40603
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	20 Jan 2022	18 Jan 2022	001-40603
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	31 Aug 2021	27 Aug 2021	001-40603
3	Open 3 document	View SEC filing for 3	FORM 3 SUBMISSION	15 Jul 2021	15 Jul 2021	001-40603

William Desmarais files with the SEC under CIK 0001860207. 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.