Tien Bor-Zen
30 Form 4 · free tier: 48h delay
Recent Form 4 slice from EDGAR — up to 30 filings (not a full archive).
For informational purposes only. Not investment advice. Data is aggregated from public SEC and congressional disclosures. Nothing on this site is a recommendation to buy or sell any security. Public disclosure of a trade is not evidence of wrongdoing or insider trading.
Recent Form 4 trades
Open-market purchases and sales
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · Oct 7, 2026 · Filed · Oct 8, 2026
$3,731
47 sh · 2 tx
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · Sep 7, 2026 · Filed · Sep 9, 2026 · filed 2 days after trade
$3,658
48 sh · 2 tx
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · Aug 7, 2026 · Filed · Aug 10, 2026 · filed 3 days after trade
$3,592
49 sh · 2 tx
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · Aug 3, 2026 · Filed · Aug 4, 2026
$73,060
1,000 sh
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · Jul 28, 2026 · Filed · Jul 30, 2026 · filed 2 days after trade
$73,820
1,015 sh · 3 tx
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · Jul 21, 2026 · Filed · Jul 23, 2026 · filed 2 days after trade
$297,300
4,000 sh · 4 tx
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · Jul 20, 2026 · Filed · Jul 23, 2026 · filed 3 days after trade
$4,050
10 sh
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · Jul 7, 2026 · Filed · Jul 9, 2026 · filed 2 days after trade
$3,525
46 sh · 2 tx
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · Jun 30, 2026 · Filed · Jun 30, 2026
$75,700
1,000 sh
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · Jun 29, 2026 · Filed · Jun 30, 2026
$76,640
1,000 sh
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · Jun 5, 2026 · Filed · Jun 9, 2026 · filed 4 days after trade
$3,801
50 sh · 2 tx
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · May 20, 2026 · Filed · May 21, 2026
$2,800
7 sh
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · May 19, 2026 · Filed · May 21, 2026 · filed 2 days after trade
$143,728
2,010 sh · 3 tx
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · May 8, 2026 · Filed · May 11, 2026 · filed 3 days after trade
$3,663
51 sh · 2 tx
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · Apr 28, 2026 · Filed · Apr 29, 2026
$5,810
15 sh · 2 tx
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM · Trade · Mar 22, 2026 · Filed · Mar 24, 2026 · filed 2 days after trade
$55,930
1,000 sh