Summary
Updated Aug 31, 2026
David Montgomery is EVP Global Business Strategy of SOMNIGROUP INTERNATIONAL INC. (SGI). 4 SEC Form 4 filings on record going back to 2024, most recently on 2 March 2026. Most recent open-market trade: sold $1.98M of SGI on 11 June 2025. Lifetime open-market sales: $4.99M.
Recent Transactions
6Every recent SEC Form 4 transaction David Montgomery has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies David Montgomery 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.
- Simon Dyer - $2.99M of SGI open-market activity in the last 12 months
- 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 David Montgomery?
David Montgomery is a corporate insider, tracked as EVP Global Business Strategy of SOMNIGROUP INTERNATIONAL INC. (SGI). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did David Montgomery last file a Form 4?
The most recent primary Form 4 on record is dated 2 March 2026, one of 4 filings going back to 2024.
Has David Montgomery been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($4.99M) across all tracked filings.
Where can I see all of David Montgomery'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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