5215 Co-Tech Development Corp.

On May 22, 2026, Co-Tech Development Corp. announced that its subsidiaries, including Suzhou Jiaji, Kede, Jiacai, Aipulai, Baihong, Jiahuang, and Jiajun, conducted one-day treasury bond reverse repurchase transactions (GC001) on the Shanghai Stock Exchange. The transactions took place on May 22, with a total transaction amount of approximately NT$839.9 million. The profit from these disposals amounted to RMB 20,000. The company stated that the transactions were for investment and wealth management purposes and did not involve related parties. The cumulative investment in securities, including this transaction, accounts for 16.88% of the company's total assets.