Summary
Updated Aug 31, 2026
Mark Lemasney is EVP Power Generation Division of NEXTERA ENERGY INC (NEE). 7 SEC Form 4 filings on record going back to 2024, most recently on 10 March 2026. Most recent open-market trade: sold $347K of NEE on 10 March 2026. Lifetime open-market sales: $534K.
Recent Transactions
10Every recent SEC Form 4 transaction Mark Lemasney has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Mark Lemasney go back to 2024: 7 primary Form 4 filings, an average of 2.3 per year. 2 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark Lemasney 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.
- Armando Pimentel Jr. - $12.18M of NEE open-market activity in the last 12 months
- John W. Ketchum - $8.90M of NEE open-market activity in the last 12 months
- Charles E. Sieving - $3.61M of NEE open-market activity in the last 12 months
- Ronald R. Reagan - $3.08M of NEE open-market activity in the last 12 months
- Terrell Kirk Crews II - $1.78M of NEE open-market activity in the last 12 months
- Michael Dunne - $708K of NEE 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 Mark Lemasney?
Mark Lemasney is a corporate insider, tracked as EVP Power Generation Division of NEXTERA ENERGY INC (NEE). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Mark Lemasney last file a Form 4?
The most recent primary Form 4 on record is dated 10 March 2026, one of 7 filings going back to 2024.
Has Mark Lemasney been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($534K) across all tracked filings.
Where can I see all of Mark Lemasney'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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