Summary
Updated Aug 31, 2026
Simon Dyer is Director of SOMNIGROUP INTERNATIONAL INC. (SGI). 4 SEC Form 4 filings on record going back to 2025, most recently on 15 May 2026. Most recent open-market trade: bought $221K of SGI on 4 December 2025. Lifetime open-market purchases: $2.99M.
Recent Transactions
7Every recent SEC Form 4 transaction Simon Dyer has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Simon Dyer go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $1.49M (2 buys totaling $2.99M). The largest single buy on record is $2.77M of SGI in 2025. 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 Simon Dyer 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.
- Scott L. Thompson - $1.89M of SGI open-market activity in the last 12 months
- Cathy R. Gates - $522K of SGI open-market activity in the last 12 months
- Steven H. Rusing - $446K of SGI 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 Simon Dyer?
Simon Dyer is a corporate insider, tracked as Director of SOMNIGROUP INTERNATIONAL INC. (SGI). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Simon Dyer last file a Form 4?
The most recent primary Form 4 on record is dated 15 May 2026, one of 4 filings going back to 2025.
Has Simon Dyer been buying or selling stock?
Recorded transactions: 2 open-market purchases ($2.99M) and 0 open-market sales across all tracked filings.
Where can I see all of Simon Dyer'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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