Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William M. Landuyt files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Matthew J. Chanin - $193K in SPH purchases and sales in the last 12 months
- Bryon L. Koepke - $50K in SPH purchases and sales in the last 12 months
- Jane Swift - $13K in SPH purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is William M. Landuyt?
William M. Landuyt is a corporate insider of SUBURBAN PROPANE PARTNERS LP (SPH). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did William M. Landuyt last file a Form 4?
The most recent primary Form 4 on record is dated 18 November 2025, one of 2 filings going back to 2024.
