Tien Bor-Zen

Track

Insider profile

Performance

Overall performance
3.3
Performance over holding periods
3.3
30 days 90 days 120 days
Average return 2% 8.2% 15.1%
Success rate 68% 68% 82%
Transactions
10 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Tien Bor-Zen's trades of Taiwan Semiconductor Manufacturing Co Ltd's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-10 2026-08-07
PP Planned purchase
48,966 -22.7%
209.73
US$2,311,518 		48,966 -22.7% 209.73 US$2,311,518
2026-08-10 2026-08-07
PP Planned purchase
85,632 +11.0%
210.47
US$3,839,930 		85,632 +11.0% 210.47 US$3,839,930
2026-08-04 2026-08-03
B Purchase
47,240 +42.5%
186.36
US$2,077,772 		47,240 +42.5% 186.36 US$2,077,772
2026-07-30 2026-07-28
B Purchase
1,000 +25.0%
67.97
US$67,970 		1,000 +25.0% 67.97 US$67,970
2026-07-30 2026-07-28
B Purchase
5 +3.9%
390.00
US$1,950 		5 +3.9% 390.00 US$1,950
2026-07-30 2026-07-28
B Purchase
10 +8.5%
390.00
US$3,900 		10 +8.5% 390.00 US$3,900
2026-07-23 2026-07-21
B Purchase
1,000 +33.3%
74.75
US$74,750 		1,000 +33.3% 74.75 US$74,750
2026-07-23 2026-07-21
B Purchase
1,000 +50.0%
74.44
US$74,440 		1,000 +50.0% 74.44 US$74,440
2026-07-23 2026-07-21
B Purchase
1,000 +100.0%
73.98
US$73,980 		1,000 +100.0% 73.98 US$73,980
2026-07-23 2026-07-21
B Purchase
1,000 +8.3%
74.13
US$74,130 		1,000 +8.3% 74.13 US$74,130
2026-07-23 2026-07-20
B Purchase
10 +9.3%
405.00
US$4,050 		10 +9.3% 405.00 US$4,050
2026-07-09 2026-07-07
PP Planned purchase
6 +9.0%
76.62
US$460 		6 +9.0% 76.62 US$460
2026-07-09 2026-07-07
PP Planned purchase
40 +21.3%
76.62
US$3,065 		40 +21.3% 76.62 US$3,065
2026-06-30 2026-06-30
B Purchase
1,000 +inf%
75.70
US$75,700 		1,000 +inf% 75.70 US$75,700
2026-06-30 2026-06-29
B Purchase
1,000 +9.0%
76.64
US$76,640 		1,000 +9.0% 76.64 US$76,640
2026-06-09 2026-06-05
PP Planned purchase
7 +11.7%
76.01
US$532 		7 +11.7% 76.01 US$532
2026-06-09 2026-06-05
PP Planned purchase
43 +29.7%
76.01
US$3,268 		43 +29.7% 76.01 US$3,268
2026-05-21 2026-05-20
B Purchase
7 +7.0%
400.00
US$2,800 		7 +7.0% 400.00 US$2,800
2026-05-21 2026-05-19
B Purchase
10 +11.1%
391.81
US$3,918 		10 +11.1% 391.81 US$3,918
2026-05-19 2026-05-19
B Purchase
1,000 +9.9%
69.83
US$69,830 		1,000 +9.9% 69.83 US$69,830
2026-05-19 2026-05-19
B Purchase
1,000 +11.0%
69.98
US$69,980 		1,000 +11.0% 69.98 US$69,980
2026-05-11 2026-05-08
PP Planned purchase
7 +13.2%
71.82
US$503 		7 +13.2% 71.82 US$503
2026-05-11 2026-05-08
PP Planned purchase
44 +43.6%
71.82
US$3,160 		44 +43.6% 71.82 US$3,160
2026-04-29 2026-04-28
B Purchase
5 +5.9%
390.00
US$1,950 		5 +5.9% 390.00 US$1,950
2026-04-29 2026-04-28
B Purchase
5 +6.2%
390.00
US$1,950 		5 +6.2% 390.00 US$1,950
2026-04-29 2026-04-28
B Purchase
10 +14.3%
386.00
US$3,860 		10 +14.3% 386.00 US$3,860
2026-04-13 2026-04-09
PP Planned purchase
9 +20.5%
57.87
US$521 		9 +20.5% 57.87 US$521
2026-04-13 2026-04-09
PP Planned purchase
53 +110.4%
57.87
US$3,067 		53 +110.4% 57.87 US$3,067
2026-03-24 2026-03-22
B Purchase
1,000 +12.4%
55.93
US$55,930 		1,000 +12.4% 55.93 US$55,930