Summary
Updated Aug 31, 2026
Michael John Brown files SEC Form 4 reports at LITHIUM AMERICAS CORP. (LAC). 8 SEC Form 4 filings on record going back to 2025, most recently on 8 July 2026. Most recent open-market trade: bought $4K of LAC on 23 March 2026. Lifetime open-market purchases: $7K.
Recent Transactions
2Every recent SEC Form 4 transaction Michael John Brown has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Michael John Brown go back to 2025: 8 primary Form 4 filings, an average of 4.0 per year. The typical open-market purchase is $3K (2 buys totaling $7K). The largest single buy on record is $4K of LAC 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 John Brown 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.
- Alexi Illya Zawadzki - $3.55M of LAC open-market activity in the last 12 months
- Richard Gerspacher - $457K of LAC open-market activity in the last 12 months
- Edward Grandy - $28K of LAC open-market activity in the last 12 months
- Timothy Ambrose Crowley - $21K of LAC open-market activity in the last 12 months
- Aubree Barnum - $21K of LAC 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 John Brown?
Michael John Brown is a corporate insider of LITHIUM AMERICAS CORP. (LAC). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Michael John Brown submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Michael John Brown been buying or selling stock?
Recorded transactions: 2 open-market purchases ($7K) and 0 open-market sales across all tracked filings.
Where can I see all of Michael John Brown'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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