Summary
Updated Aug 31, 2026
Earl R. Lewis is Director of TECOGEN INC. (TGEN). 6 SEC Form 4 filings on record going back to 2024, most recently on 1 July 2026. Most recent open-market trade: bought $14K of TGEN on 27 March 2026. Lifetime open-market purchases: $16K.
Recent Transactions
6Every recent SEC Form 4 transaction Earl R. Lewis has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Earl R. Lewis go back to 2024: 6 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $8K (2 buys totaling $16K). The largest single buy on record is $14K of TGEN 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 Earl R. Lewis 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.
- Susan B. Hirsch - $44K of TGEN open-market activity in the last 12 months
- John Kimball Whiting IV - $24K of TGEN open-market activity in the last 12 months
- Roger P. Deschenes - $22K of TGEN open-market activity in the last 12 months
- Ahmed Ghoniem - $10K of TGEN open-market activity in the last 12 months
- Abinand Rangesh - $7K of TGEN 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 Earl R. Lewis?
Earl R. Lewis is a corporate insider, tracked as Director of TECOGEN INC. (TGEN). InsiderAlpha holds 6 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 Earl R. Lewis submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Earl R. Lewis been buying or selling stock?
Recorded transactions: 2 open-market purchases ($16K) and 0 open-market sales across all tracked filings.
Where can I see all of Earl R. Lewis'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 Earl R. Lewis 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