1. What Happened?: After-Hours Trading Analysis

On September 11, 2025, a large block trade of 13,330 shares, totaling ₩13.8 billion, occurred during after-hours trading. Both buyers and sellers were foreign investors, with the selling amount slightly exceeding the buying amount. While the transaction size is small relative to the market capitalization, the movements of foreign investors warrant attention.

2. Why It Matters: Business Report Amendment Analysis

Samsung Biologics recently amended its business report, clarifying the calculation method for contract amounts in single sales and supply contracts, and providing further details on the minimum purchase guarantee. By emphasizing the client’s obligation to pay for the minimum purchase quantity, the company highlighted the stability of the contract. This is a positive signal, enhancing revenue stability and predictability.

3. What’s Next?: Market Outlook and Investment Strategies

The short-term impact of the after-hours trading itself is expected to be limited. However, the continued interest of foreign investors and the reinforced contract stability highlighted in the amended business report are expected to be positive factors in the medium to long term. However, investors should pay attention to changes in the macroeconomic environment, such as exchange rate fluctuations and potential increases in raw material prices.

4. Investor Action Plan

  • • Continuously monitor foreign investor trading trends
  • • Carefully observe changes in the macroeconomic environment
  • • Track news related to Samsung Biologics’ fundamentals, including new contract wins and pipeline performance