PESI insider buying
2 cluster buysPERMA FIX ENVIRONMENTAL SERVICES INC · Industrials
When two or more insiders at PERMA FIX ENVIRONMENTAL SERVICES INC buy PESI on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in PESI plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Sep 9 – Sep 11, 2025Detected Sep 11, 2025High conviction2 insidersTotal bought$25.4KMarket cap$298.0M
- Mar 17 – Mar 21, 2025Detected Mar 21, 2025High conviction4 insidersTotal bought$41.6KMarket cap$298.0M
All notable open-market buys in PESI
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Sep 11, 2025 | Shelton Larrycluster Director | 1,000 | $8.58 | $8.6K | SEC ↗ |
| Sep 11, 2025 | Duff Markcluster Director, President and CEO | 897 | $8.05 | $7.2K | SEC ↗ |
| Sep 9, 2025 | Shelton Larrycluster Director | 1,000 | $9.61 | $9.6K | SEC ↗ |
| Mar 21, 2025 | Duff Markcluster Director, President and CEO | 750 | $7.02 | $5.3K | SEC ↗ |
| Mar 21, 2025 | Duff Markcluster Director, President and CEO | 650 | $7.05 | $4.6K | SEC ↗ |
| Mar 21, 2025 | Duff Markcluster Director, President and CEO | 650 | $7.03 | $4.6K | SEC ↗ |
| Mar 21, 2025 | Naccarato Bencluster Chief Financial Officer | 400 | $7.00 | $2.8K | SEC ↗ |
| Mar 18, 2025 | Eshleman Troycluster Chief Operating Officer | 1,350 | $7.35 | $9.9K | SEC ↗ |
| Mar 18, 2025 | Duff Markcluster Director, President and CEO | 500 | $7.20 | $3.6K | SEC ↗ |
| Mar 18, 2025 | Duff Markcluster Director, President and CEO | 500 | $7.10 | $3.6K | SEC ↗ |
| Mar 17, 2025 | CENTOFANTI LOUIS Fcluster Director, EVP of Strategic Initiatives | 1,000 | $7.31 | $7.3K | SEC ↗ |
| Sep 4, 2024 | Director, President and CEO | 500 | $9.91 | $5.0K | SEC ↗ |
| Sep 4, 2024 | Director, President and CEO | 350 | $9.95 | $3.5K | SEC ↗ |
| Sep 3, 2024 | Director, President and CEO | 750 | $10.07 | $7.6K | SEC ↗ |
| Sep 3, 2024 | Director, President and CEO | 500 | $10.48 | $5.2K | SEC ↗ |
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PESI insider buying — FAQ
- Are insiders buying PESI stock?
- Yes — 5 distinct insiders have bought PESI (PERMA FIX ENVIRONMENTAL SERVICES INC) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Sep 12, 2025.
- How much PESI stock have insiders bought?
- Insiders have bought a combined $88.2K of PESI across 15 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in PESI?
- A cluster buy is two or more distinct PERMA FIX ENVIRONMENTAL SERVICES INC insiders — officers, directors, or 10% owners — each buying PESI on the open market within a rolling window. PESI has 2 detected cluster buys to date.
- Where does this PESI insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in PESI
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy PESI within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding PESI.