Aprogen Files Executive/Major Shareholder Ownership Report (No Changes)

Reporting obligation date and base date: not disclosed.
Reporter: Aprogen Co., Ltd.
No change in number of shares or ownership ratio compared to previous report (all table items blank).
Details of specific securities: common stock, stock warrants, convertible bonds, etc., all zero or blank.
Reason for reporting and detailed changes: none.
This filing is a routine confirmation of no change in executive/major shareholder ownership; market impact neutral.

Filing: Report on Ownership of Specific Securities by Executives and Major Shareholders
Company: APTOCROM (109960)
Submission: Aprogen, Inc.
Receipt: 05-15-2026