SEC FORM 3

SEC FORM 3SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Linghui Kong

(Last)

(First)

(Middle)

C/O BITDEER TECHNOLOGIES GROUP

08 KALLANG AVE, APERIA TOWER 1 #09-03/04

(Street)

SINGAPORE

339509

(City)

(State)

(Zip)

SINGAPORE

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Bitdeer Technologies Group [ BTDR ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Business Officer

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Share Option (right to buy)	⁽¹⁾	08/01/2031	Class A Ordinary Shares	900,900	$3.5	D
Share Option (right to buy)	⁽²⁾	01/01/2032	Class A Ordinary Shares	61,776	$3.5	D
Share Option (right to buy)	⁽²⁾	01/01/2033	Class A Ordinary Shares	51,351	$3.5	D
Share Option (right to buy)	⁽³⁾	04/01/2034	Class A Ordinary Shares	50,000	$6.96	D

Explanation of Responses:

1. 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.

2. All shares subject to the option have become vested and exercisable.

3. 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.

	/s/ Linghui Kong	03/31/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

SEC Form 3 filed by new insider Linghui Kong