Summary
Updated Aug 31, 2026
Joseph D. Margolis is Chief Executive Officer, Director of Extra Space Storage Inc. (EXR). 9 SEC Form 4 filings on record going back to 2024, most recently on 5 August 2026. Most recent open-market trade: sold $1.07M of EXR on 16 March 2026. Lifetime open-market sales: $5.70M.
Recent Transactions
20Every recent SEC Form 4 transaction Joseph D. Margolis has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Joseph D. Margolis go back to 2024: 9 primary Form 4 filings, an average of 3.0 per year. 1 recorded transaction carries a Rule 10b5-1 flag, meaning it was pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Joseph D. Margolis 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.
- Gwyn Goodson McNeal - $495K of EXR 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 D. Margolis?
Joseph D. Margolis is a corporate insider, tracked as Chief Executive Officer, Director of Extra Space Storage Inc. (EXR). InsiderAlpha holds 9 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Joseph D. Margolis submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Joseph D. Margolis been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($5.70M) across all tracked filings.
Where can I see all of Joseph D. Margolis'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.
Learn More
Follow Joseph D. Margolis and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial