Mark Duff bought $7,221 of PESI
President and CEO at PERMA FIX ENVIRONMENTAL SERVICES INC. 897 shares at an average of $8.05, traded Sep 11, 2025, filed Sep 12, 2025.
Score components
- +25RoleCEO
- 0Trade size$7k at market
- -5Relative to holdingsUnder 1% of holdings (0.7%)
- +8Price context47% below the 52-week high
- +8Cluster2 insiders buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +15.7%, 3m +54.5%, 6m +44.1%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001641172-25-027190, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 11, 2025 | POpen-market purchase Common Stock | +897 | $8.05 | $7,221 | 134,556 | Sep 12, 2025 |
Related signals
Other insiders at PERMA FIX ENVIRONMENTAL SERVICES INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 42Moderate | PESIsell PERMA FIX ENVIRONMENTAL SERVICES INC | Kerry C Duggan director | $49k 5,653 shares | -61% | |
| 31Weak | PERMA FIX ENVIRONMENTAL SERVICES INC | Larry Shelton director | $8,575 1,000 shares | +1% | |
| 26Weak | PERMA FIX ENVIRONMENTAL SERVICES INC | Larry Shelton director | $9,610 1,000 shares | +1% | |
| 45Moderate | PERMA FIX ENVIRONMENTAL SERVICES INC | Mark Duff President and CEO | $14k 2,050 shares | +2% | |
| 35Weak | PERMA FIX ENVIRONMENTAL SERVICES INC | Mark Duff President and CEO | $7,150 1,000 shares | +1% | |
| 43Moderate | PERMA FIX ENVIRONMENTAL SERVICES INC | Troy Eshleman Chief Operating Officer | $9,923 1,350 shares | - | |
| 25Weak | PERMA FIX ENVIRONMENTAL SERVICES INC | Louis F Centofanti EVP of Strategic Initiatives | $7,310 1,000 shares | +0% | |
| 41Moderate | PERMA FIX ENVIRONMENTAL SERVICES INC | Andy Lombardo EVP of Nuclear & Technical Svc | $16k 2,150 shares | +14% | |
| 58Moderate | PERMA FIX ENVIRONMENTAL SERVICES INC | Mark Duff President and CEO | $21k 3,000 shares | +3% | |
| 38Weak | PERMA FIX ENVIRONMENTAL SERVICES INC | Larry Shelton director | $14k 2,000 shares | +1% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.