Summary
Updated Aug 30, 2026
Mary Celeste Fruge is VP, General Counsel of NPK International Inc. (NPKI). 5 SEC Form 4 filings on record, most recently on 3 June 2026. Most recent open-market trade: sold $14K of NPKI on 18 March 2026. Lifetime open-market sales: $163K.
Recent Transactions
10Every recent SEC Form 4 transaction Mary Celeste Fruge has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Mary Celeste Fruge go back to 2026: 5 primary Form 4 filings, an average of 5.0 per year. 6 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 Mary Celeste Fruge 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.
- Gregg Piontek - $2.49M of NPKI open-market activity in the last 12 months
- Matthew Lanigan - $2.43M of NPKI open-market activity in the last 12 months
- Lori Briggs - $391K of NPKI open-market activity in the last 12 months
- Michael A. Lewis - $112K of NPKI 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 Mary Celeste Fruge?
Mary Celeste Fruge is a corporate insider, tracked as VP, General Counsel of NPK International Inc. (NPKI). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Mary Celeste Fruge submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Mary Celeste Fruge been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($163K) across all tracked filings.
Where can I see all of Mary Celeste Fruge'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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