Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the complete record of transactions filed by Tien Bor-Zen. Officer active across 1 company, notably TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD. In total, 8 disclosures have been published. Breakdown: 8 buys · 0 sell. Total volume traded: €61k. History available since 22 March 2026. The latest transaction was disclosed on 7 July 2026 (Acquisition). Regulator: SEC (Form 4). The full history is accessible without signup.
1,000 shares@ US$55.9379.1% of flowCommon Shares (2330.TW)SEC:0001046179-26-000122:0
Canonical exit: 20 Jun 2026 (T+90)
8 of 8 declarations
About Tien Bor-Zen
Tien Bor-Zen is a declarant linked to TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, where the listed role is VP. He has made 5 filings in total, and in the 5 sampled recent filings between 2026-04-13 and 2026-04-29, all were acquisitions, with buy volume of EUR 9691 and no sell volume.