Taylor Stephen Charles (CIK 1316004) reported 33 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-09). Recent activity: Buy NGS (334 shares), Buy NGS (4,456 shares), Sell NGS (2,228 shares), Sell NGS (70,000 shares), Sell NGS (30,000 shares). Source: SEC Form 4.
来源：SEC Form 4 申报文件 · 截至 2026-06-09