Insider · SEC Forms 3, 4, 5
CIK 1494730
All transactions
Every Form 4 row this person reported, newest first
Insider · SEC Forms 3, 4, 5
Every Form 4 row this person reported, newest first
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.
Source: SEC Form 4 filings · as of 2026-09-09