Bitdeer Technologies (BTDR)

=== SEC Form 3 — Statement of Changes in Beneficial Ownership === Document Type: 3 Period of Report: 2026-03-18 --- Issuer --- Name: Bitdeer Technologies Group (BTDR) CIK: 0001899123 --- Reporting Owner --- Name: Linghui Kong CIK: 0002001879 Role: Officer (Chief Business Officer) --- Holdings --- [Holding #1] Security: Share Option (right to buy) Ownership: D (Direct) Footnotes: [F1] 648,648 of the total shares subject to the option have become vested and exercisable as of the date hereof, and 252,252 of the shares subject to the option shall become vested in equal installments on January 1, 2027 and January 1, 2028, subject to the Reporting Person's continued service with the Issuer on each such vesting date. [Holding #2] Security: Share Option (right to buy) Ownership: D (Direct) Footnotes: [F2] All shares subject to the option have become vested and exercisable. [Holding #3] Security: Share Option (right to buy) Ownership: D (Direct) Footnotes: [F2] All shares subject to the option have become vested and exercisable. [Holding #4] Security: Share Option (right to buy) Ownership: D (Direct) Footnotes: [F3] 20% of the total shares subject to the option have become vested and exercisable on April 1, 2025, and remaining shares subject to the option shall become vested annually in equal installments of 20% on April 1st of each of the four subsequent years, subject to the Reporting Person's continued service with the Issuer on each such vesting date. --- Footnotes (Complete Index) --- F1: 648,648 of the total shares subject to the option have become vested and exercisable as of the date hereof, and 252,252 of the shares subject to the option shall become vested in equal installments on January 1, 2027 and January 1, 2028, subject to the Reporting Person's continued service with the Issuer on each such vesting date. F2: All shares subject to the option have become vested and exercisable. F3: 20% of the total shares subject to the option have become vested and exercisable on April 1, 2025, and remaining shares subject to the option shall become vested annually in equal installments of 20% on April 1st of each of the four subsequent years, subject to the Reporting Person's continued service with the Issuer on each such vesting date. --- Signature --- /s/ /s/ Linghui Kong (2026-03-31)