Bitdeer Technologies (BTDR)

=== SEC Form 3/A — Statement of Changes in Beneficial Ownership === Document Type: 3/A Period of Report: 2026-03-18 --- Issuer --- Name: Bitdeer Technologies Group (BTDR) CIK: 0001899123 --- Reporting Owner --- Name: Ma Yuling CIK: 0002123839 Role: Officer (Chief Technology Officer) --- Holdings --- [Holding #1] Security: Share Option (right to buy) Ownership: D (Direct) Footnotes: [F1] The option is subject to a 5-year vesting schedule, with 20% of the shares vesting on each anniversary of the April 1, 2025 grant date, subject to the Reporting Person's continued service with the Issuer. [Holding #2] Security: Share Option (right to buy) Ownership: D (Direct) Footnotes: [F2] The option is subject to a 5-year vesting schedule, with 20% of the shares vesting on each anniversary of the July 1, 2025 grant date, subject to the Reporting Person's continued service with the Issuer, and based on the working performance, service quality, contributions, or other factors prior to each such vesting date. --- Footnotes (Complete Index) --- F1: The option is subject to a 5-year vesting schedule, with 20% of the shares vesting on each anniversary of the April 1, 2025 grant date, subject to the Reporting Person's continued service with the Issuer. F2: The option is subject to a 5-year vesting schedule, with 20% of the shares vesting on each anniversary of the July 1, 2025 grant date, subject to the Reporting Person's continued service with the Issuer, and based on the working performance, service quality, contributions, or other factors prior to each such vesting date. --- Signature --- /s/ /s/ Yuling Ma (2026-04-30)