Skip to main content
Signal8
Tien Bor-Zen profile photo

Bor-Zen Tien

CIK: 0002114023

Transaction Breakdown

Open Market Buys (P)33 (97.1%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (2.9%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
TSM

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Officer

Discretionary Trading P&L

Holdings

Transaction History (34 total)

  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Oct 7, 2026
    Purchase(P)
    Indirect
    40 shares at avg. $79.39$3K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Oct 7, 2026
    Purchase(P)
    Indirect
    7 shares at avg. $79.39$555.73
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Sep 7, 2026
    Purchase(P)
    Indirect
    5 shares at avg. $76.20$381
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Sep 7, 2026
    Purchase(P)
    Indirect
    43 shares at avg. $76.20$3K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Aug 7, 2026
    Purchase(P)
    Indirect
    42 shares at avg. $73.31$3K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Aug 7, 2026
    Purchase(P)
    Indirect
    7 shares at avg. $73.31$513.17
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Aug 3, 2026
    Purchase(P)
    Direct
    1K shares at avg. $73.06$73K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jul 28, 2026
    Purchase(P)
    Direct
    5 shares at avg. $390.00$2K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jul 28, 2026
    Purchase(P)
    Direct
    10 shares at avg. $390.00$4K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jul 28, 2026
    Purchase(P)
    Indirect
    1K shares at avg. $67.97$68K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jul 21, 2026
    Purchase(P)
    Direct
    1K shares at avg. $74.13$74K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jul 21, 2026
    Purchase(P)
    Indirect
    1K shares at avg. $73.98$74K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jul 21, 2026
    Purchase(P)
    Indirect
    1K shares at avg. $74.44$74K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jul 21, 2026
    Purchase(P)
    Indirect
    1K shares at avg. $74.75$75K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jul 20, 2026
    Purchase(P)
    Direct
    10 shares at avg. $405.00$4K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jul 7, 2026
    Purchase(P)
    Indirect
    6 shares at avg. $76.62$459.72
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jul 7, 2026
    Purchase(P)
    Indirect
    40 shares at avg. $76.62$3K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jun 30, 2026
    Purchase(P)
    Indirect
    1K shares at avg. $75.70$76K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jun 29, 2026
    Purchase(P)
    Direct
    1K shares at avg. $76.64$77K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jun 5, 2026
    Purchase(P)
    Indirect
    7 shares at avg. $76.01$532.07
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    Jun 5, 2026
    Purchase(P)
    Indirect
    43 shares at avg. $76.01$3K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    May 20, 2026
    Purchase(P)
    Direct
    7 shares at avg. $400.00$3K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    May 19, 2026
    Purchase(P)
    Direct
    10 shares at avg. $391.81$4K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    May 19, 2026
    Purchase(P)
    Direct
    1K shares at avg. $69.98$70K
  • TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
    TSM

    TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

    May 19, 2026
    Purchase(P)
    Direct
    1K shares at avg. $69.83$70K

1-25 of 34

About Tien Bor-Zen

Tien Bor-Zen (SEC CIK 0002114023) files insider reports with the SEC as VP of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM).

Signal8 holds 17 ownership filings by Tien Bor-Zen (1 Form 3, 16 Form 4), filed between Mar 18, 2026 and Oct 8, 2026. Those filings report 34 transactions, from Mar 22, 2026 to Oct 7, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Tien Bor-Zen's filings is in HSINCHU.

Recent filings by Tien Bor-Zen

  • Oct 7, 2026: Open-market purchases of TSM shares (2 lines, Form 4, code P).
  • Sep 7, 2026: Open-market purchases of TSM shares (2 lines, Form 4, code P).
  • Aug 7, 2026: Open-market purchases of TSM shares (2 lines, Form 4, code P).
  • Aug 3, 2026: Open-market purchase of TSM shares (Form 4, code P).
  • Jul 28, 2026: Open-market purchases of TSM shares (3 lines, Form 4, code P).

Other insiders filing for TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM)

How to read Form 4 transaction codes