Summary
Updated Aug 31, 2026
Michael D. Armstrong is Director of Inspirato Inc (ISPO). 1 SEC Form 4 filing on record, dated 12 November 2024.
Recent Transactions
2Every recent SEC Form 4 transaction Michael D. Armstrong has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Michael D. Armstrong go back to 2024: 1 primary Form 4 filing, an average of 0.3 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 have reported open-market trades at the same companies as Michael D. Armstrong. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Payam Zamani - $439K of ISPO open-market activity on record
- Brent L. Handler - $69K of ISPO open-market activity on record
- David S. Kallery - $20K of ISPO open-market activity on record
- Michael J. Arthur - $1K of ISPO open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Michael D. Armstrong?
Michael D. Armstrong is a corporate insider, tracked as Director of Inspirato Inc (ISPO). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Michael D. Armstrong last file a Form 4?
The only primary Form 4 on record is dated 12 November 2024.
Where can I see all of Michael D. Armstrong'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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