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 M. LANDUYT.

Business address: C/O Suburban Propane, 240 Route 10 West, Whippany, NJ, 07981
Top holdings (ownership): SPH
State of incorporation: DE
Fiscal year end: 31 December

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WILLIAM M. LANDUYT has filed 60 SEC EDGAR filings since 10 Jun 1997

Recent SEC filings for WILLIAM M. LANDUYT including 4, 3, 5.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	18 Nov 2025	14 Nov 2025	001-14222
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	18 Nov 2024	15 Nov 2024	001-14222
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	15 Nov 2021	15 Nov 2021	001-14222
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	16 Nov 2018	15 Nov 2018	001-14222
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	15 Mar 2017	15 Mar 2017	001-14222
3	Open 3 document	View SEC filing for 3	PRIMARY DOCUMENT	04 Jan 2017	01 Jan 2017	001-14222

WILLIAM M. LANDUYT files with the SEC under CIK 0001030514. 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.