TIEN BOR-ZEN (VP) purchased 22.1% of their position (2K shares) of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD on the open market
Open‑market purchase worth $139.8K — a significant purchase. The strongest form of insider conviction signal.
P · 2 purchases
Filed: 5/19/2026ACC: 0001046179-26-000285
Officer· VP
Since Mar 2026
+2K
Net shares
Net buyer
$139.8K
Total acquired
2
Open market trades
2B · 0S
2
Total transactions
2K acquired
Non-Derivative Transactions2
Common Shares (2330.TW)
Direct
Shares
+1K
Price / share
$69.98
Trade value
$69.98K
% of position
11.0%
5/19/2026
9.05K→10.05K
Common Shares (2330.TW)
Direct
Shares
+1K
Price / share
$69.83
Trade value
$69.83K
% of position
9.9%
5/19/2026
10.05K→11.05K
Total
Net shares
+2K
Net value
$139.81K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Shares (2330.TW) Direct | 5/19/2026 | P · Purchase | +1K | $69.98 | $69.98K | 11.0% | 9.05K | 10.05K |
| Common Shares (2330.TW) Direct | 5/19/2026 | P · Purchase | +1K | $69.83 | $69.83K | 9.9% | 10.05K | 11.05K |
| Total | +2K | $139.81K | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)3
Common Shares (2330.TW)
IndirectShares owned60.00
Common Shares (2330.TW)
IndirectShares owned145.00
American Depositary Shares (TSM)
DirectShares owned90.00
Total
90.00 direct·205.00 indirect295.00
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Shares (2330.TW) | 60.00 | Indirect |
| Common Shares (2330.TW) | 145.00 | Indirect |
| American Depositary Shares (TSM) | 90.00 | Direct |
| Total | 295.00 | 90.00 direct·205.00 indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported