William F. Leimkuhler, Director at Northern Power Systems Corp. (NPS), bought 10,000 shares at $8635.61 ($86.4M) on 2015-05-22, disclosed to the SEC on 2015-05-27.
Open-market purchase of $86.4M NPS by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Negative factors outweigh the positive ones.
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| AGX | SELL | 2026-01-21 | $4.2M | — | Filing → |
| AGX | SELL | 2026-01-14 | $2.0M | — | Filing → |
| AGX | SELL | 2025-12-29 | $67K | — | Filing → |