# EDGAR Filing Document

**Accession Number:** 0001899123
**File Stem:** 0001213900-26-036856
**Filing Date:** 2026-3
**Character Count:** 7394
**Document Hash:** eb1a7382206b8210b366d2be8043d0e2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-036856.hdr.sgml**: 20260331

**ACCESSION NUMBER**: 0001213900-26-036856

**CONFORMED SUBMISSION TYPE**: 3/A

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260318

**FILED AS OF DATE**: 20260331

**DATE AS OF CHANGE**: 20260331

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Yang Guang George
- **CENTRAL INDEX KEY:** 0002049212

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41687
- **FILM NUMBER:** 26816958

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** UNIT 3/44 HAMPSHIRE ROAD
- **CITY:** DONCASTER, VICTORIA
- **PROVINCE COUNTRY:** C3
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Bitdeer Technologies Group
- **CENTRAL INDEX KEY:** 0001899123
- **STANDARD INDUSTRIAL CLASSIFICATION:** FINANCE SERVICES [6199]
- **ORGANIZATION NAME:** 09 Crypto Assets
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 08 KALLANG AVENUE, APERIA TOWER 1, #09-0
- **CITY:** SINGAPORE
- **PROVINCE COUNTRY:** U0
- **BUSINESS PHONE:** 65-62828220

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 08 KALLANG AVENUE, APERIA TOWER 1, #09-0
- **CITY:** SINGAPORE
- **PROVINCE COUNTRY:** U0

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

## FORM 3/A

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Yang Guang George<br><sub>(Last) (First) (Middle)</sub><br>C/O BITDEER TECHNOLOGIES GROUP<br>08 KALLANG AVE, APERIA TOWER 1 #09-03/04<br><sub>(Street)</sub><br>SINGAPORE, SINGAPORE 339509<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-18 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Bitdeer Technologies Group [ BTDR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Ordinary Shares |  |  |  |  |  |  |  | 3556<sup>(1)</sup> | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Share Option (right to buy) | $7.03 |  |  |  |  |  |  | <sup>(2)</sup> | 2033-07-01 | Class A Ordinary Shares | 10669 |  |  | D |  |
| Share Option (right to buy) | $10.59 |  |  |  |  |  |  | <sup>(3)</sup> | 2034-07-01 | Class A Ordinary Shares | 9443 |  |  | D |  |
| Share Option (right to buy) | $11.30 |  |  |  |  |  |  | <sup>(4)</sup> | 2035-07-01 | Class A Ordinary Shares | 8850 |  |  | D |  |

---

### Footnotes:

(1) Represents shares acquired upon the exercise of a portion of the share options granted on July 1, 2023.

(2) Represents the unexercised portion of an option to purchase 14,225 Class A Ordinary Shares granted on July 1, 2023. The option vests in four equal annual installments of 25% on each anniversary of the grant date, subject to the Reporting Person's continued service with the Issuer on each such vesting date.

(3) Represents an option to purchase 9,443 Class A Ordinary Shares granted on July 1, 2024. The option vests in four equal annual installments of 25% on each anniversary of the grant date, subject to the Reporting Person's continued service with the Issuer on each such vesting date.

(4) Represents an option to purchase 8,850 Class A Ordinary Shares granted on July 1, 2025. The option vests in four equal annual installments of 25% on each anniversary of the grant date, subject to the Reporting Person's continued service with the Issuer on each such vesting date.

**Remarks:**
This Form 3/A is being filed solely to amend the original Form 3 filed on March 18, 2026 to add explanatory footnotes. These footnotes clarify the original grant amounts of the share options reported in Table II and the source of the Class A Ordinary Shares reported in Table I. The number of securities beneficially owned reported in the original Form 3 remains unchanged.

**Signature:** /s/ Yang Guang  
**Date:** 2026-03-31

### Remarks:

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 4 (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.**