O'Brien Michael Graham (CIK 2034804) reported 88 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-09-03). Recent activity: Buy GTM (328 shares), Buy GTM (214 shares), Sell GTM (268 shares), Sell GTM (5,000 shares), Buy GTM (1,541 shares). Source: SEC Form 4.
来源:SEC Form 4 申报文件 · 截至 2026-09-03