Loo Choon Sen - 12 Aug 2026 Form 4/A - Amendment Insider Report for CHINA YUCHAI INTERNATIONAL LTD (CYD)

Reporting relationship: Chief Financial Officer
Issuer ticker: CYD
Reported as of: 12 Aug 2026
Net transaction value: -$619,767
SEC form: 4/A - Amendment
Accepted by SEC: 18 Aug 2026, 06:04:22 UTC
Original report date: 14 Aug 2026
Prior SEC filing: 11 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Loo Choon Sen

Key filing fact

Loo Choon Sen filed Form 4/A - Amendment for CHINA YUCHAI INTERNATIONAL LTD (CYD) on 18 Aug 2026.

Key facts

This page summarizes Loo Choon Sen's Form 4/A - Amendment filing for CHINA YUCHAI INTERNATIONAL LTD (CYD).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 18 Aug 2026, 06:04.

Change

Previous filing in this sequence was filed on 11 Mar 2026.
Current net transaction value: -$619,767.

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

Filed on Form 4

Ownership activity is grounded in SEC Form 4/A - Amendment disclosures.

View source filing

Reporting Owners (1)

CIK 0002112195 Primary reporting owner

Loo Choon Sen

Relationship: Chief Financial Officer
Address: 16 RAFFLES QUAY #39-01A, HONG LEONG BUILDING, SINGAPORE, SINGAPORE
Signature: /s/ Loo Choon Sen
Signature date: 18 Aug 2026

Reported non-derivative transactions

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

CYD transaction

Common Stock

Options Exercise

Transaction value
Shares: +13,200
Change %
Price: $26.03^*
Shares after: 13,200
Date: 12 Aug 2026
Ownership: Direct

CYD transaction

Common Stock

Sale

Transaction value: $616,633
Shares: -13,134
Change %: -100%
Price: $46.95
Shares after: 66
Date: 12 Aug 2026
Ownership: Direct
Footnotes: F1

CYD transaction

Common Stock

Sale

Transaction value: $3,134
Shares: -66
Change %: -100%
Price: $47.48
Shares after: 0
Date: 12 Aug 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CYD transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -13,200
Change %: -33%
Price: $0.000000^*
Shares after: 26,800
Date: 12 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 13,200
Exercise price: $26.03
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Weighted average price. These shares were sold in multiple transactions on 12 August 2026 at prices ranging from US$46.438 to US$47.410 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

Footnote F2

The Form 4 filed on August 14, 2026 reported August 9, 2026 as the exercisable date for the entire option. This Form 4/A is being filed for better clarity. The option, representing the right to purchase an aggregate of 40,000 shares of Common Stock, became exercisable with respect to 33% of the option (13,200 underlying shares) on August 9, 2026, which were fully exercised on August 12, 2026. An additional 33% of the option (13,200 underlying shares) will become exercisable on August 9, 2027, and the remaining 34% of the option (13,600 underlying shares) will become exercisable on August 9, 2028, in each case in accordance with the applicable vesting schedule and the terms of the China Yuchai International Limited 2025 Equity Incentive Plan.