OAK Investment Partners X Ltd. Partnership, 10% Owner at NEOPHOTONICS CORP (NPTN), bought 275,862 shares at $7.25 ($2.0M) on 2015-05-27, disclosed to the SEC on 2015-05-27.
Open-market purchase of $2.0M NPTN by 10% Owner. 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.