Naphat Sirimongkolkasem - 18 Mar 2026 Form 3 Insider Report for Bitdeer Technologies Group (BTDR)

Reporting relationship: Director
Issuer ticker: BTDR
Reported as of: 18 Mar 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 18 Mar 2026, 21:23:09 UTC
Prior SEC filing: 30 Jan 2026
Next SEC filing: 06 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Naphat Sirimongkolkasem

Key filing fact

Naphat Sirimongkolkasem filed Form 3 for Bitdeer Technologies Group (BTDR) on 18 Mar 2026.

Key facts

This page summarizes Naphat Sirimongkolkasem's Form 3 filing for Bitdeer Technologies Group (BTDR).
0 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 18 Mar 2026, 21:23.

Change

Previous filing in this sequence was filed on 30 Jan 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001861739 Primary reporting owner

Sirimongkolkasem Naphat

Relationship: Director
Address: C/O BITDEER TECHNOLOGIES GROUP, 08 KALLANG AVE, APERIA TOWER 1 #09-03/04, SINGAPORE, SINGAPORE
Signature: /s/ Naphat Sirimongkolkasem
Signature date: 18 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BTDR holding

Class A Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,000
Date: 18 Mar 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

BTDR holding Derivative

Share Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 14,225
Exercise price: $7.03
Footnotes: F1

BTDR holding Derivative

Share Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 9,443
Exercise price: $10.59
Footnotes: F2

BTDR holding Derivative

Share Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 8,850
Exercise price: $11.30
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The option was granted on July 1, 2023, and 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.

Footnote F2

The option was granted on July 1, 2024, and 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.

Footnote F3

The option was granted on July 1, 2025, and 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.