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 S. Mercer.

Business address: C/O Ategrity Specialty Holdings Llc, 9 West 57 Th Street, 33 Rd Floor, New York, NY, 10019

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William S. Mercer has filed 2 SEC EDGAR filings since 11 Jun 2025

Recent SEC filings for William S. Mercer including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	16 Jun 2025	11 Jun 2025	001-42695
3	Open 3 document	View SEC filing for 3	OWNERSHIP DOCUMENT	11 Jun 2025	11 Jun 2025	001-42695

William S. Mercer files with the SEC under CIK 0002058460. 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.