Summary
Updated Aug 31, 2026
F. Nicholas Grasberger III is Chairman and CEO, Director of ENVIRI Corp (NVRI). 10 SEC Form 4 filings on record going back to 2025, most recently on 2 June 2026. Most recent open-market trade: bought $1.71M of LPX on 23 February 2026. Lifetime open-market purchases: $1.71M.
Recent Transactions
18Every recent SEC Form 4 transaction F. Nicholas Grasberger III has reported, most recent first.
Trading Pattern
InsiderAlpha's records for F. Nicholas Grasberger III go back to 2025: 10 primary Form 4 filings, an average of 5.0 per year. The typical open-market purchase is $1.71M (1 buy totaling $1.71M). The largest single buy on record is $1.71M of LPX 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 have reported open-market trades at the same companies as F. Nicholas Grasberger III. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- David C. Everitt - $361K of NVRI open-market activity on record
- Tom George Vadaketh - $247K of NVRI open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is F. Nicholas Grasberger III?
F. Nicholas Grasberger III is a corporate insider, tracked as Chairman and CEO, Director of ENVIRI Corp (NVRI). InsiderAlpha holds 10 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 F. Nicholas Grasberger III submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has F. Nicholas Grasberger III been buying or selling stock?
Recorded transactions: 1 open-market purchase ($1.71M) and 0 open-market sales across all tracked filings.
Where can I see all of F. Nicholas Grasberger III'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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