Hartree Partners, LP, 10% Owner at HUDSON TECHNOLOGIES INC /NY (HDSN), bought 11,136 shares at $5.10 ($57K) on 2026-09-16, disclosed to the SEC on 2026-09-18.
Open-market purchase of $57k HDSN by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Negative factors outweigh the positive ones.
| Filing → |
| HDSN | BUY | 2026-09-04 | $27K | — | Filing → |
| HDSN | BUY | 2026-08-26 | $553K | — | Filing → |
| HDSN | BUY | 2026-08-14 | $29K | — | Filing → |