TIEN BOR-ZEN (VP) purchased 18.9% of their position (17.00 shares) of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD on the open market
Open‑market purchase worth $6.7K — a significant purchase. The strongest form of insider conviction signal.
P · 2 purchases
Filed: 5/21/2026ACC: 0001046179-26-000288
Officer· VP
Since Mar 2026
+17.00
Net shares
Net buyer
$6.7K
Total acquired
2
Open market trades
2B · 0S
2
Total transactions
17.00 acquired
Non-Derivative Transactions2
American Depositary Shares (TSM)
Direct
Shares
+10.00
Price / share
$391.81
Trade value
$3.92K
% of position
11.1%
5/19/2026
90.00→100.00
American Depositary Shares (TSM)
Direct
Shares
+7.00
Price / share
$400.00
Trade value
$2.80K
% of position
7.0%
5/20/2026
100.00→107.00
Total
Net shares
+17.00
Net value
$6.72K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| American Depositary Shares (TSM) Direct | 5/19/2026 | P · Purchase | +10.00 | $391.81 | $3.92K | 11.1% | 90.00 | 100.00 |
| American Depositary Shares (TSM) Direct | 5/20/2026 | P · Purchase | +7.00 | $400.00 | $2.80K | 7.0% | 100.00 | 107.00 |
| Total | +17.00 | $6.72K | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)3
Common Shares (2330.TW)
IndirectShares owned145.00
Common Shares (2330.TW)
IndirectShares owned60.00
Common Shares (2330.TW)
DirectShares owned11.05K
Total
11.05K direct·205.00 indirect11.26K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Shares (2330.TW) | 145.00 | Indirect |
| Common Shares (2330.TW) | 60.00 | Indirect |
| Common Shares (2330.TW) | 11.05K | Direct |
| Total | 11.26K | 11.05K direct·205.00 indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported