Summary
Updated Aug 31, 2026
Michael Robert Stone files SEC Form 4 reports at BETA Technologies, Inc. (BETA). 3 SEC Form 4 filings on record, most recently on 12 June 2026. Most recent open-market trade: bought $250K of BETA on 21 May 2026. Lifetime open-market purchases: $250K.
Recent Transactions
3Every recent SEC Form 4 transaction Michael Robert Stone has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Michael Robert Stone go back to 2026: 3 primary Form 4 filings, an average of 3.0 per year. The typical open-market purchase is $250K (1 buy totaling $250K). The largest single buy on record is $250K of BETA in 2026. 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 Michael Robert Stone 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.
- Charles A. Davis - $97.00M of BETA open-market activity in the last 12 months
- Kyle Clark - $11.53M of BETA open-market activity in the last 12 months
- Dean Kamen - $1.70M of BETA open-market activity in the last 12 months
- Herman Cueto - $478K of BETA open-market activity in the last 12 months
- David Lawrence Churchill - $396K of BETA open-market activity in the last 12 months
- Sean Donovan - $344K of BETA 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 Michael Robert Stone?
Michael Robert Stone is a corporate insider of BETA Technologies, Inc. (BETA). InsiderAlpha holds 3 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 Michael Robert Stone submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Michael Robert Stone been buying or selling stock?
Recorded transactions: 1 open-market purchase ($250K) and 0 open-market sales across all tracked filings.
Where can I see all of Michael Robert Stone'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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