Hartree Partners, LP, 10% Owner at HUDSON TECHNOLOGIES INC /NY (HDSN), bought 13,515 shares at $5.10 ($69K) on 2026-09-21, disclosed to the SEC on 2026-09-23.
Open-market purchase of $69k 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $5.10 | 2,502 | $13K | 18.5% |
| 2 | $5.10 | 11,013 | $56K | 81.5% |
| Total | $5.10 avg | 13,515 | $69K | 100% |
| Filing → |
| HDSN | BUY | 2026-09-04 | $27K | — | Filing → |
| HDSN | BUY | 2026-08-26 | $553K | — | Filing → |
| HDSN | BUY | 2026-08-14 | $29K | — | Filing → |