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Sunstone defends disclosure timing after share price surge

Story Highlights
  • Sunstone said final Bramaderos scoping study data became available only on 21 April, just before disclosure.
  • The company maintains ASX disclosure compliance, attributing share gains to prior strong drilling news.
  • Looking for the best stocks to buy? Follow the recommendations of top-performing analysts.
Sunstone defends disclosure timing after share price surge

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Sunstone Metals Limited ( (AU:STM) ) just unveiled an announcement.

Sunstone Metals has responded to an ASX query about recent share price movements ahead of the release of its Bramaderos Gold-Copper Project scoping study. The company confirmed that the scoping study outcomes are materially price-sensitive and stated it only became aware of the final information on the morning of 21 April 2026, just before the announcement, once all consents and expert sign-offs were in place.

Sunstone told the exchange it is compliant with continuous disclosure rules and said the earlier share price rise was likely driven by strong drilling results at Copete released on 14 April 2026. The board-approved response aims to reassure investors and regulators that market-sensitive information around its Ecuadorian project has been managed in line with ASX Listing Rule 3.1, amid heightened trading activity in the company’s shares.

The most recent analyst rating on (AU:STM) stock is a Buy with a A$2.10 price target. To see the full list of analyst forecasts on Sunstone Metals Limited stock, see the AU:STM Stock Forecast page.

More about Sunstone Metals Limited

Sunstone Metals Limited is an Australian-listed mineral exploration company focused on gold and copper projects. Its key asset is the 87.5%-owned Bramaderos Gold-Copper Project in Ecuador, and it is also advancing resource growth drilling at the Copete prospect, positioning the company within the precious and base metals exploration segment.

YTD Price Performance: -36.56%

Average Trading Volume: 472,570

Technical Sentiment Signal: Strong Sell

Current Market Cap: A$86.21M

For an in-depth examination of STM stock, go to TipRanks’ Overview page.

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