TSM

NYSE

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Latest disclosureSeptember 9, 2026

Insider score Why 47?: 47/ 100
Qualifying buys · 30d: $0

219 purchases · 2 sales

Price by TradingView

Insider transactions 250

Limited filing history

Filters

Last 30 daysNo qualifying insider buying. No qualifying insider sales.

Showing the first 6 of 20 trades on this page.

Purchase disclosed

Yi-Huang Wu

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $3.05K
Reported price: $76.20 / share

Purchase disclosed

Chue-San Yoo

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $4.04K
Reported price: $76.20 / share

Why this buying score?

Qualifying common-equity purchase value

$723,022 of common-equity purchase value after transaction-age decay across 180 days.

+20 pts

Distinct buying groups

5 distinct reporting-owner group(s). Joint rows count once; identity is not proof of discretion.

+19 pts

Material reported holdings increase

At least one row increased reported same-security holdings by 10% or established a new reported position; indirect interests may overlap.

+8 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Source: SEC EDGAR · Form 4
Issuer CIK: 0001046179
Latest public acceptance: Sep 9, 2026, 10:09 AM UTC
Score calculated: Oct 7, 2026, 12:06 AM UTC
Parser: form4-parser-1.5
Classifier: form4-classifier-1.1
Scoring methodology: insider-experimental-1.1
Availability: Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.

Purchase disclosed

Shien-Yang Wu

SVP

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $4.34K
Reported price: $76.20 / share

Purchase disclosed

Che-Chia Wei

Chairman and CEO

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $11.35K
Reported price: $76.20 / share

Purchase disclosed

Bor-Zen Tien

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $3.28K
Reported price: $76.20 / share

Purchase disclosed

Bor-Zen Tien

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $381
Reported price: $76.20 / share

Purchase disclosed

Ying-Lang Wang

SVP

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $4.11K
Reported price: $76.20 / share

Purchase disclosed

Chin-Sheng Lu

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $2.9K
Reported price: $76.20 / share

Purchase disclosed

Chris Horng-Dar Lin

VP and CIO

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $3.58K
Reported price: $76.20 / share

Purchase disclosed

Shyue-Shyh Lin

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $3.35K
Reported price: $76.20 / share

Purchase disclosed

Chun-Hsien Lee

SVP

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $3.96K
Reported price: $76.20 / share

Purchase disclosed

Lee-Chung Lu

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $3.89K
Reported price: $76.20 / share

Purchase disclosed

Syun-Ming Jang

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $3.73K
Reported price: $76.20 / share

Purchase disclosed

Yuan-Ko Hwang

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $3.05K
Reported price: $76.20 / share

Purchase disclosed

Kuo-Chin Hsu

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $4.19K
Reported price: $76.20 / share

Purchase disclosed

Jen-Chau Huang

SVP and CFO

Common Shares (2330.TW)

Excluded from the common-share buying signal. See trade details.

Reported value: $2.29K
Reported price: $76.20 / share

Reporting insider	Security / transaction	Amount / price	Value	Traded / disclosed	Source
VP	Common Shares (2330.TW)PurchaseExcluded from purchase score	40$76.20 / share	$3.05K	Sep 7Filed Sep 9 · 2d later	SEC filing
VP	Common Shares (2330.TW)PurchaseExcluded from purchase score	53$76.20 / share	$4.04K	Sep 7Filed Sep 9 · 2d later	SEC filing
SVP	Common Shares (2330.TW)PurchaseExcluded from purchase score	54$76.20 / share	$4.11K	Sep 7Filed Sep 9 · 2d later	SEC filing
SVP and Deputy Co-COO	Common Shares (2330.TW)PurchaseExcluded from purchase score	61$76.20 / share	$4.65K	Sep 7Filed Sep 9 · 2d later	SEC filing
VP	Common Shares (2330.TW)PurchaseExcluded from purchase score	41$76.20 / share	$3.12K	Sep 7Filed Sep 9 · 2d later	SEC filing
EVP and Co-COO	Common Shares (2330.TW)PurchaseExcluded from purchase score	71$76.20 / share	$5.41K	Sep 7Filed Sep 9 · 2d later	SEC filing
SVP	Common Shares (2330.TW)PurchaseExcluded from purchase score	57$76.20 / share	$4.34K	Sep 7Filed Sep 9 · 2d later	SEC filing
Chairman and CEO	Common Shares (2330.TW)PurchaseExcluded from purchase score	149$76.20 / share	$11.35K	Sep 7Filed Sep 9 · 2d later	SEC filing
VP	Common Shares (2330.TW)Purchase2 tradesExcluded from purchase score	48avg $76.20 / share	$3.66K	Sep 7Filed Sep 9 · 2d later	2 filings 43 @ $76.20 · $3.28KSEC filing 5 @ $76.20 · $381SEC filing
SVP	Common Shares (2330.TW)PurchaseExcluded from purchase score	54$76.20 / share	$4.11K	Sep 7Filed Sep 9 · 2d later	SEC filing
VP	Common Shares (2330.TW)PurchaseExcluded from purchase score	38$76.20 / share	$2.9K	Sep 7Filed Sep 9 · 2d later	SEC filing
VP and CIO	Common Shares (2330.TW)PurchaseExcluded from purchase score	47$76.20 / share	$3.58K	Sep 7Filed Sep 9 · 2d later	SEC filing
VP	Common Shares (2330.TW)PurchaseExcluded from purchase score	44$76.20 / share	$3.35K	Sep 7Filed Sep 9 · 2d later	SEC filing
SVP	Common Shares (2330.TW)PurchaseExcluded from purchase score	52$76.20 / share	$3.96K	Sep 7Filed Sep 9 · 2d later	SEC filing
VP	Common Shares (2330.TW)PurchaseExcluded from purchase score	51$76.20 / share	$3.89K	Sep 7Filed Sep 9 · 2d later	SEC filing
VP	Common Shares (2330.TW)PurchaseExcluded from purchase score	49$76.20 / share	$3.73K	Sep 7Filed Sep 9 · 2d later	SEC filing
VP	Common Shares (2330.TW)PurchaseExcluded from purchase score	40$76.20 / share	$3.05K	Sep 7Filed Sep 9 · 2d later	SEC filing
VP	Common Shares (2330.TW)PurchaseExcluded from purchase score	55$76.20 / share	$4.19K	Sep 7Filed Sep 9 · 2d later	SEC filing
SVP and CFO	Common Shares (2330.TW)PurchaseExcluded from purchase score	30$76.20 / share	$2.29K	Sep 7Filed Sep 9 · 2d later	SEC filing