TIEN BOR-ZEN (VP) purchased 25.5% of their position (1.01K shares) of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD on the open market
Open‑market purchase worth $73.8K — a significant purchase. The strongest form of insider conviction signal.
P · 3 purchases
Filed: 7/30/2026ACC: 0001046179-26-000461
Officer· VP
Since Mar 2026
+1.01K
Net shares
Net buyer
$73.8K
Total acquired
3
Open market trades
3B · 0S
3
Total transactions
1.01K acquired
Non-Derivative Transactions3
American Depositary Shares (TSM)
Direct
Shares
+10.00
Price / share
$390.00
Trade value
$3.90K
% of position
8.5%
7/28/2026
117.00→127.00
American Depositary Shares (TSM)
Direct
Shares
+5.00
Price / share
$390.00
Trade value
$1.95K
% of position
3.9%
7/28/2026
127.00→132.00
Common Shares (2330.TW)
Indirect
Shares
+1K
Price / share
$67.97
Trade value
$67.97K
% of position
25.0%
7/28/2026
4K→5K
Total
Net shares
+1.01K
Net value
$73.82K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| American Depositary Shares (TSM) Direct | 7/28/2026 | P · Purchase | +10.00 | $390.00 | $3.90K | 8.5% | 117.00 | 127.00 |
| American Depositary Shares (TSM) Direct | 7/28/2026 | P · Purchase | +5.00 | $390.00 | $1.95K | 3.9% | 127.00 | 132.00 |
| Common Shares (2330.TW) Indirect | 7/28/2026 | P · Purchase | +1K | $67.97 | $67.97K | 25.0% | 4K | 5K |
| Total | +1.01K | $73.82K | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)3
Common Shares (2330.TW)
DirectShares owned13.05K
Common Shares (2330.TW)
IndirectShares owned228.00
Common Shares (2330.TW)
IndirectShares owned73.00
Total
13.05K direct·301.00 indirect13.35K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Shares (2330.TW) | 13.05K | Direct |
| Common Shares (2330.TW) | 228.00 | Indirect |
| Common Shares (2330.TW) | 73.00 | Indirect |
| Total | 13.35K | 13.05K direct·301.00 indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported