Tien Bor-Zen (CIK 2114023) reported 31 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-09). Recent activity: Buy TSM (43 shares), Buy TSM (5 shares), Buy TSM (42 shares), Buy TSM (7 shares), Buy TSM (1,000 shares). Source: SEC Form 4.
来源：SEC Form 4 申报文件 · 截至 2026-09-09