GigaDevice Semiconductor Inc. (Stock Code: 3986) announced the full exercise of its Over-allotment Option on February 7, 2026, involving an additional 4,337,300 H Shares. This represents 15.0% of the total Offer Shares under the Global Offering. The additional shares will be issued at HK$162.00 per share, bringing an approximate HK$697.0 million in additional net proceeds.

Following the issue of these Over-allotment Shares, the company’s total issued share capital will increase from 696,765,151 shares to 701,102,451 shares. Of that total, A Shares remain at 667,849,351, while H Shares rise to 33,253,100. Approval for listing and dealing in these shares has already been granted, with trading expected to commence on February 11, 2026.

The accompanying stabilization period concluded on February 7, 2026. During this period, an over-allocation of 4,337,300 H Shares was made under the International Offering, but there were no on-market purchases or sales for price stabilization. The Over-allotment Option was fully exercised at the Global Offering price to facilitate delivery of H Shares to investors who agreed to delayed delivery. According to the announcement, GigaDevice continues to meet public float requirements as stipulated by the Hong Kong Stock Exchange.