🕵️ Perma FIX Environmental Services Inc ($PESI)
SEC insider & ownership activity, last 12 months · CIK 891532 · every row links its SEC filing
Insiders were quiet over the last 12 months – no open-market buys or sells. No red-flag 8-Ks in the window.
Insider flow
0 buyers, $0 (0 lots) · 0 sellers, $0 (0 lots)
No open-market insider transactions in the last 12 months.
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Hold Alapkezelo Zrt. | 10.6% | 13G | Aug 27, 2026 | filing ↗ | |
| MAK Capital One LLC | exited | 13G | Aug 28, 2026 | filing ↗ | |
| MAK Capital Fund LP | exited | 13G | Aug 28, 2026 | filing ↗ | |
| Michael A. Kaufman | exited | 13G | Aug 28, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 22, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jul 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 22, 2026 | filing ↗ |
| Material agreement (1.01) | May 14, 2026 | filing ↗ |
| Other events (8.01) | May 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 14, 2026 | filing ↗ |
| Earnings (2.02) | May 6, 2026 | filing ↗ |
| Other events (8.01) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Other events (8.01) | Apr 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 8, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 22, 2026 | filing ↗ |
| Agreement terminated (1.02) | Nov 13, 2025 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Nov 13, 2025 | filing ↗ |
| Charter/bylaw changes (5.03) | Nov 13, 2025 | filing ↗ |
| Other events (8.01) | Nov 13, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 13, 2025 | filing ↗ |
| Material agreement (1.01) | Sep 25, 2025 | filing ↗ |
| Agreement terminated (1.02) | Sep 25, 2025 | filing ↗ |
| Officer/director changes (5.02) | Sep 25, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 25, 2025 | filing ↗ |