Summary
Updated Aug 31, 2026
Mariam Sorond is CEO, President and Director, Director of NEXTNAV INC. (NN). 9 SEC Form 4 filings on record going back to 2024, most recently on 19 June 2026. Most recent open-market trade: sold $52K of NN on 19 June 2026. Lifetime open-market sales: $9.16M.
Recent Transactions
12Every recent SEC Form 4 transaction Mariam Sorond has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Mariam Sorond go back to 2024: 9 primary Form 4 filings, an average of 3.0 per year. 9 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 Mariam Sorond 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.
- Joseph D. Samberg - $8.11M of NN open-market activity in the last 12 months
- Susan Brasse Insley - $420K of NN open-market activity in the last 12 months
- Sammaad Shams - $256K of NN open-market activity in the last 12 months
- James S. Black - $213K of NN open-market activity in the last 12 months
- Christian D. Gates - $109K of NN open-market activity in the last 12 months
- Timothy Gray - $25K of NN 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 Mariam Sorond?
Mariam Sorond is a corporate insider, tracked as CEO, President and Director, Director of NEXTNAV INC. (NN). InsiderAlpha holds 9 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 Mariam Sorond submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Mariam Sorond been buying or selling stock?
Recorded transactions: 0 open-market purchases and 11 open-market sales ($9.16M) across all tracked filings.
Where can I see all of Mariam Sorond'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 Mariam Sorond 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