Michael R. Splinter - 18 Mar 2026 Form 3 Insider Report for TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM)

Reporting relationship
Director
Issuer ticker
TSM
Reported as of
18 Mar 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
3
Accepted by SEC
18 Mar 2026, 06:06:26 UTC
Prior SEC filing
03 Feb 2026
Next SEC filing
20 May 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Jen-Chau Huang, as attorney-in-fact

Key filing fact

Michael R. Splinter filed Form 3 for TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) on 18 Mar 2026.

Key facts

  • This page summarizes Michael R. Splinter's Form 3 filing for TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM).
  • 0 reported transactions and 0 derivative rows are listed below.
  • Accepted by SEC: 18 Mar 2026, 06:06.

Change

  • Previous filing in this sequence was filed on 03 Feb 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001188935 Primary reporting owner

SPLINTER MICHAEL R

Relationship
Director
Address
NO. 8, LI-HSIN ROAD 6, HSINCHU SCIENCE PARK, HSINCHU, TAIWAN
Signature
/s/ Jen-Chau Huang, as attorney-in-fact
Signature date
18 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TSM holding

American Depositary Shares (TSM)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
7,565
Date
18 Mar 2026
Ownership
Direct
Footnotes
F1
TSM holding

American Depositary Shares (TSM)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
795
Date
18 Mar 2026
Ownership
By Spouse's IRA
Footnotes
F1
TSM holding

American Depositary Shares (TSM)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
245
Date
18 Mar 2026
Ownership
See footnote
Footnotes
F1, F2
TSM holding

American Depositary Shares (TSM)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
245
Date
18 Mar 2026
Ownership
See footnote
Footnotes
F1, F3
TSM holding

American Depositary Shares (TSM)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
245
Date
18 Mar 2026
Ownership
See footnote
Footnotes
F1, F4
TSM holding

American Depositary Shares (TSM)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
245
Date
18 Mar 2026
Ownership
See footnote
Footnotes
F1, F5
TSM holding

American Depositary Shares (TSM)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
245
Date
18 Mar 2026
Ownership
See footnote
Footnotes
F1, F6
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

Each American Depositary Share represents five (5) Common Shares.

Footnote F2

The shares reported are owned by the Kylie Souria Fenske Irrevocable Trust, for which the reporting person serves as trustee and exercises investing authority over such shares.

Footnote F3

The shares reported are owned by the Cole David Fenske Irrevocable Trust, for which the reporting person serves as trustee and exercises investing authority over such shares.

Footnote F4

The shares reported are owned by the Avery Michael Splinter Irrevocable Trust, for which the reporting person serves as trustee and exercises investing authority over such shares

Footnote F5

The shares reported are owned by the Samantha Lilia Roboostoff Irrevocable Trust, for which the reporting person serves as trustee and exercises investing authority over such shares.

Footnote F6

The shares reported are owned by the Cash Fenske Irrevocable Trust, for which the reporting person serves as trustee and exercises investing authority over such shares.

SEC remarks

Exhibit 24 - Power of Attorney

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