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PT Antam (Persero) Tbk, the Indonesian government-owned mining and metals firm listed on the ASX under the ticker ATM, has submitted its monthly Appendix 4A report detailing its CHESS Depositary Interests (CDIs) outstanding as of June 2026. The filing, lodged on 3 July 2026, confirms that the total CDI count remained unchanged at 1,303,649, while the underlying Common B Class Shares stayed constant at 24,030,764,725. This update signals a stable capital structure throughout the month, with no net changes across any security classes reported.
Key Points
- Company: PT Antam (Persero) Tbk, ASX code ATM
- Monthly Appendix 4A CDI statement for June 2026 filed on 3 July 2026
- Total CDIs on issue (ATM, 1:5 ratio): 1,303,649 — unchanged from May 2026
- Common B Class Shares (ATMAA) outstanding: 24,030,764,725 — no month-over-month change
- CDI-equivalent securities (ATMAB, 1:5 ratio): 4,806,152,945 — stable compared to prior month
- Investors should monitor future CDI issuances or corporate actions that could affect this stable structure
June 2026 Sees No Change in PT Antam’s CDI Numbers
The Appendix 4A report confirms that PT Antam (Persero) Tbk had 1,303,649 CHESS Depositary Interests outstanding at the close of June 2026, identical to the previous month’s total. CDIs enable foreign companies like PT Antam to offer securities to Australian investors on the ASX without issuing full local shares.
Each ATM CDI represents one-fifth of a single Common B Class Share, consistent with the company’s ASX listing structure. The lack of any new CDI issuance or cancellation during June indicates no change in Australian investor participation via this mechanism.
Common B Class Shares Remain Above 24 Billion
The filing also reports that the total Common B Class Shares (ASX code ATMAA) outstanding at June’s end was 24,030,764,725, exactly matching May’s figure. This reflects the full equity base visible through ASX disclosures.
With over 24 billion shares outstanding, PT Antam’s large share count underscores its role as a major Indonesian state-owned mining company producing nickel, gold, bauxite, and other commodities. The stable share count indicates no capital raisings, buybacks, or conversions took place during June 2026.
ATMAB CDI-Equivalent Securities Also Unchanged
The Appendix 4A also details ATMAB securities, which represent CDI-equivalent shares at a 1:5 ratio to the Common B Class Shares. The total ATMAB count stood at 4,806,152,945 at June’s close, unchanged from the prior month.
The consistent figures across ATM CDIs, ATMAA shares, and ATMAB equivalents confirm a fully stable capital structure for June 2026, with no securities created, cancelled, or converted during the period.
Implications of the ASX CDI Structure for Australian Investors
Listing on the ASX via CDIs allows Australian investors to access PT Antam’s securities without trading on the Indonesia Stock Exchange (IDX). The CHESS system provides a locally settled, Australian dollar-denominated investment route.
However, the relatively small CDI volume of 1,303,649 compared to billions of underlying shares suggests that Australian-listed CDIs represent a minor fraction of PT Antam’s total equity. The primary market remains the IDX under ticker ANTM. Investors should note potential differences in liquidity and currency risk between the ASX and IDX.
Purpose of the Monthly Appendix 4A Filing
The Appendix 4A is a routine monthly disclosure mandated by ASX Listing Rules for companies with CDIs on issue. It provides transparency on the number and class of CDIs and related securities at each month-end.
For PT Antam, this means lodging the statement monthly regardless of activity. The June 2026 filing confirms the capital structure remained unchanged. It also includes a standard clause that if CDI numbers exceed paid listing fees, an application for quotation of additional securities is automatically made; no such application was necessary for June.
PT Antam’s Profile as an Indonesian State-Owned Mining Company
PT Antam (Persero) Tbk is a Jakarta-based, vertically integrated mining and metals company majority owned by the Indonesian government. It operates across nickel, gold, silver, bauxite, and coal segments, with activities spanning mining, processing, and refining. The company plays a key role in Indonesia’s resource export sector.
Its ASX listing via CDIs offers access to Australian and international investors, particularly amid global interest in critical minerals like nickel for electric vehicle batteries. This update, however, contains no operational, financial, or strategic disclosures beyond the CDI count.
Capital Structure Stability Confirmed for June 2026
The June 2026 Appendix 4A shows zero net changes across ATM CDIs, ATMAA shares, and ATMAB equivalents, indicating no internal offsetting movements. The capital structure remained fully intact throughout the month.
For investors monitoring monthly CDI filings as indicators of capital activity, this report signals no imminent placements, rights issues, or cancellations as of 3 July 2026, maintaining continuity from the prior month.
Investor Considerations Following the June 2026 Statement
While the June filing contains no market-moving details, investors holding or considering ATM CDIs should watch for future Appendix 4A reports showing changes in CDI numbers, which would indicate new Australian market participation or structural adjustments.
Corporate actions announced on the IDX, such as dividends, rights issues, or major transactions, may also impact the CDI structure and Australian holders. Commodity market trends in nickel and gold will continue to influence investor sentiment toward PT Antam’s ASX-listed securities.
The June 2026 CDI statement’s routine nature means no immediate price impact was evident. The next significant developments to monitor include subsequent monthly filings, operational updates, or financial results releases providing new insights into the company’s performance.
