TIEN BOR-ZEN (VP) purchased 28.6% of their position (20.00 shares) of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD on the open market
Open‑market purchase worth $7.8K — a significant purchase. The strongest form of insider conviction signal.
P · 3 purchases
Filed: 4/29/2026ACC: 0001046179-26-000209
Officer· VP
Since Mar 2026
+20.00
Net shares
Net buyer
$7.8K
Total acquired
3
Open market trades
3B · 0S
3
Total transactions
20.00 acquired
Non-Derivative Transactions3
American Depositary Shares (TSM)
Direct
Shares
+10.00
Price / share
$386.00
Trade value
$3.86K
% of position
14.3%
4/28/2026
70.00→80.00
American Depositary Shares (TSM)
Direct
Shares
+5.00
Price / share
$390.00
Trade value
$1.95K
% of position
6.3%
4/28/2026
80.00→85.00
American Depositary Shares (TSM)
Direct
Shares
+5.00
Price / share
$390.00
Trade value
$1.95K
% of position
5.9%
4/28/2026
85.00→90.00
Total
Net shares
+20.00
Net value
$7.76K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| American Depositary Shares (TSM) Direct | 4/28/2026 | P · Purchase | +10.00 | $386.00 | $3.86K | 14.3% | 70.00 | 80.00 |
| American Depositary Shares (TSM) Direct | 4/28/2026 | P · Purchase | +5.00 | $390.00 | $1.95K | 6.3% | 80.00 | 85.00 |
| American Depositary Shares (TSM) Direct | 4/28/2026 | P · Purchase | +5.00 | $390.00 | $1.95K | 5.9% | 85.00 | 90.00 |
| Total | +20.00 | $7.76K | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)3
Common Shares (2330.TW)
IndirectShares owned53.00
Common Shares (2330.TW)
IndirectShares owned101.00
Common Shares (2330.TW)
DirectShares owned9.05K
Total
9.05K direct·154.00 indirect9.21K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Shares (2330.TW) | 53.00 | Indirect |
| Common Shares (2330.TW) | 101.00 | Indirect |
| Common Shares (2330.TW) | 9.05K | Direct |
| Total | 9.21K | 9.05K direct·154.00 indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported