T

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.

Sale disclosed

Chih-Ho Chen

Controller

Common Shares (2330.TW)

Reported value: $3.76K
Reported price: $75.22 / share

Sale disclosed

Tzu-Sou Chuang

VP

Common Shares (2330.TW)

Reported value: $13.97M
Reported price: $69.83 / share

Reporting insider	Security / transaction	Amount / price	Value	Traded / disclosed	Source
Controller	Common Shares (2330.TW)Sale	50$75.22 / share	$3.76K	Jul 14Filed Jul 16 · 2d later	SEC filing
VP	Common Shares (2330.TW)Sale	200,000$69.83 / share	$13.97M	May 19Filed May 19 · 0d later	SEC filing

Congress transactions 26

All Congress filings

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for a spouse.

Richard W. Allen official portrait

Richard W. AllenReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: August 12, 2026

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for the member.

Cleo Fields official portrait

Cleo FieldsReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: July 10, 2026

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for a spouse.

Richard W. Allen official portrait

Richard W. AllenReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: May 8, 2026

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for the member.

Cleo Fields official portrait

Cleo FieldsReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: April 9, 2026

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for the member.

Julia Letlow official portrait

Julia LetlowReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: February 2, 2026

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for a spouse.

Richard W. Allen official portrait

Richard W. AllenReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: February 19, 2026

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for the member.

Gilbert Cisneros official portrait

Gilbert CisnerosReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: February 26, 2026

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for the member.

Gilbert Cisneros official portrait

Gilbert CisnerosReporting House member

Reported amount: $100,001 – $250,000Reported range; exact amount not disclosed.
Trade date: February 9, 2026

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for the member.

Gilbert Cisneros official portrait

Gilbert CisnerosReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: January 30, 2026

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for the member.

Cleo Fields official portrait

Cleo FieldsReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: January 8, 2026

Partial sale disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a partial sale for the member.

Julia Letlow official portrait

Julia LetlowReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: July 24, 2025

Partial sale disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a partial sale for the member.

Julia Letlow official portrait

Julia LetlowReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: January 24, 2025

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for the member.

Julia Letlow official portrait

Julia LetlowReporting House member

Reported amount: $15,001 – $50,000Reported range; exact amount not disclosed.
Trade date: October 23, 2024

Partial sale disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a partial sale for the member.

Gilbert Cisneros official portrait

Gilbert CisnerosReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: December 24, 2025

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for the member.

Gilbert Cisneros official portrait

Gilbert CisnerosReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: November 18, 2025

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for a dependent.

Jared Moskowitz official portrait

Jared MoskowitzReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 10, 2025

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for a dependent.

Jared Moskowitz official portrait

Jared MoskowitzReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 10, 2025

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for the member.

Jared Moskowitz official portrait

Jared MoskowitzReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 10, 2025

Sale disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a sale for a spouse.

Lisa McClain official portrait

Lisa McClainReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 31, 2025

Sale disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a sale for a spouse.

Lisa McClain official portrait

Lisa McClainReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 30, 2025

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for a spouse.

Lisa McClain official portrait

Lisa McClainReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 30, 2025

Partial sale disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a partial sale for a spouse.

Lisa McClain official portrait

Lisa McClainReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 14, 2025

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for the member.

Gilbert Cisneros official portrait

Gilbert CisnerosReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 17, 2025

Purchase disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a purchase for the member.

Cleo Fields official portrait

Cleo FieldsReporting House member

Reported amount: $100,001 – $250,000Reported range; exact amount not disclosed.
Trade date: October 23, 2025

Sale disclosed

Taiwan Semiconductor Manufacturing Company Ltd. (TSM) · Stock

The filing reports a sale for a spouse.

Valerie Hoyle official portrait

Valerie HoyleReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: September 23, 2025

Showing the latest 25 of 26 disclosed trades. Show all 26 trades

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

Limited filing history · Market-wide discovery does not establish complete company history. View coverage

Source: SEC EDGAR · Form 4
Issuer CIK: 0001046179
Latest public acceptance: Sep 9, 2026, 10:09 AM UTC
Score calculated: Oct 8, 2026, 12:05 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.