Reinvestment cuts Optrontec stake to 5.97% from 7.26% after CB sale tied to call option exercise

• Reinvestment cut its Optrontec stake to 2,240,896 shares, or 5.97%, as of Oct. 1, 2026.
• Holding fell from 2,262,443 shares, or 7.26%, in the prior filing dated Sept. 27, 2024.
• Change driven by an off-market sale of part of its convertible bond position tied to the issuer’s call option exercise.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Optrontec Inc. published the original content used to generate this news brief via DART, the regulatory disclosure system operated by the South Korea Financial Supervisory Service (FSS) (Ref. ID: 20261001000190), on October 01, 2026, and is solely responsible for the information contained therein.