Black Diamond Resources Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

IDX:COAL Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
04 May 26	SellRp78,656,372,080	Sujaka Lays	Individual	1,370,000,000	Rp60.01
01 Apr 26	SellRp13,569,890	Sujaka Lays	Individual	230,000	Rp59.00
30 Mar 26	SellRp170,792,141	Sujaka Lays	Individual	2,450,000	Rp81.67
30 Dec 25	SellRp6,376,262,072	Sujaka Lays	Individual	70,073,800	Rp90.99
22 Dec 25	SellRp5,280,287,100	Sujaka Lays	Individual	55,000,000	Rp96.01
19 Dec 25	SellRp72,986,938,357	Sujaka Lays	Individual	694,700,100	Rp105.20

Insider Trading Volume

Insider Buying: COAL insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of COAL?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	320,388,100	5.13%
Individual Insiders	1,597,789,500	25.6%
General Public	4,331,822,400	69.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 4 shareholders own 30.69% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
15.6%	Sujaka Lays	972,789,500	Rp39.9b	-53.3%	no data
6%	Arie Rinaldi	375,000,000	Rp15.4b	0%	no data
5.13%	Pt Seluas Lautan Indonesia	320,388,100	Rp13.1b	-6.97%	no data
4%	Herry Sen	250,000,000	Rp10.3b	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/06/10 23:31
End of Day Share Price	2026/06/10 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

PT Black Diamond Resources Tbk is covered by 0 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.