Summary
Updated Aug 31, 2026
Richard Parrillo is Director of HUDSON TECHNOLOGIES INC /NY (HDSN). 3 SEC Form 4 filings on record, most recently on 22 June 2026. Most recent open-market trade: bought $48K of HDSN on 21 May 2026. Lifetime open-market purchases: $73K. Historical track record: 5/5 stars across 3 tracked purchases.
Recent Transactions
3Every recent SEC Form 4 transaction Richard Parrillo has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Richard Parrillo 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.
- Hartree Partners, LP - $5.79M of HDSN open-market activity in the last 12 months
- Alan Sheriff - $25K of HDSN open-market activity in the last 12 months
- Jeffrey R. Feeler - $25K of HDSN open-market activity in the last 12 months
- Loan Nguyen Mansy - $25K of HDSN open-market activity in the last 12 months
- Kenneth Gaglione - $24K of HDSN open-market activity in the last 12 months
- Eric A. Prouty - $24K of HDSN 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 Richard Parrillo?
Richard Parrillo is a corporate insider, tracked as Director of HUDSON TECHNOLOGIES INC /NY (HDSN). InsiderAlpha holds 3 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 Richard Parrillo submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Richard Parrillo been buying or selling stock?
Recorded transactions: 3 open-market purchases ($73K) and 0 open-market sales across all tracked filings.
How accurate is Richard Parrillo's historical track record?
Across 3 tracked purchases, Richard Parrillo averaged +16.2% avg 30-day return with a 100% 30-day win rate. InsiderAlpha rates the track record at 5/5 stars.
Where can I see all of Richard Parrillo'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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