Summary
Latest filing:
David J. Mueller is Director of SmartStop Self Storage REIT, Inc. (SMA). 8 SEC Form 4 filings on record, most recently on 17 September 2026. Most recent open-market trade: sold $14K of SMA on 17 September 2026. Lifetime open-market sales: $96K.
Recent Transactions
7Every recent SEC Form 4 transaction David J. Mueller has reported, most recent first.
Trading Pattern
InsiderAlpha's records for David J. Mueller go back to 2026: 8 primary Form 4 filings, an average of 8.0 per year. 6 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies David J. Mueller 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.
- H. Michael Schwartz - $198K of SMA open-market activity in the last 12 months
- Nicholas Look - $50K of SMA open-market activity in the last 12 months
- James R. Barry - $20K of SMA 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 J. Mueller?
David J. Mueller is a corporate insider, tracked as Director of SmartStop Self Storage REIT, Inc. (SMA). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has David J. Mueller submitted recently?
4 primary Form 4 filings in the last 90 days, covering 1 company.
Has David J. Mueller been buying or selling stock?
Recorded transactions: 0 open-market purchases and 7 open-market sales ($96K) across all tracked filings.
Where can I see all of David J. Mueller'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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