Summary
Updated Aug 30, 2026
Joseph Ketter is EVP, Human Resources of SiteOne Landscape Supply, Inc. (SITE). 7 SEC Form 4 filings on record going back to 2024, most recently on 12 February 2026. Most recent open-market trade: sold $5.01M of SITE on 1 July 2025. Lifetime open-market sales: $5.93M.
Recent Transactions
12Every recent SEC Form 4 transaction Joseph Ketter has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Joseph Ketter go back to 2024: 7 primary Form 4 filings, an average of 2.3 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Joseph Ketter 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.
- Doug Black - $1.30M of SITE open-market activity in the last 12 months
- Eric J. Elema - $279K of SITE open-market activity in the last 12 months
- John T. Guthrie - $258K of SITE open-market activity in the last 12 months
- Daniel T. Laughlin - $247K of SITE open-market activity in the last 12 months
- Fred M. Diaz - $128K of SITE open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Joseph Ketter?
Joseph Ketter is a corporate insider, tracked as EVP, Human Resources of SiteOne Landscape Supply, Inc. (SITE). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Joseph Ketter last file a Form 4?
The most recent primary Form 4 on record is dated 12 February 2026, one of 7 filings going back to 2024.
Has Joseph Ketter been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($5.93M) across all tracked filings.
Where can I see all of Joseph Ketter's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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