[Disclosure] Alteogen(196170) Issued Preliminary ‘Investment Warning’ Notice and Designated as ‘Investment Caution’ Stock on August 26 Following Over 200% Surge in a Year

Source Fact: Financial Supervisory Service DART / 2024-08-23

Disclosure Type: Designation of Investment Caution Stock (Preliminary Warning for Investment Warning Stock)

💡 3-Second Summary

Due to a substantial year-on-year rally exceeding 200% and high trading volume concentration in specific accounts, biotech firm Alteogen has received a preliminary warning for an ‘Investment Warning Stock’ designation and will be temporarily classified as an ‘Investment Caution Stock’ for one day on August 26.

📊 1. [Summary of Core Disclosure Content and Major Figures]

• Target Stock: Alteogen Co., Ltd. Common Stock (Ticker: 196170)
• Effective Date of Caution Designation: August 26, 2024 (Designated as an Investment Caution Stock for 1 trading day)
• Reason for Preliminary Warning: The closing price on August 23, 2024, moved up by more than 200% relative to the closing price from one year ago, fulfilling the quantitative thresholds for long-term price appreciation and high buying concentration from specific accounts.
• Conditions for Final ‘Investment Warning Stock’ Designation: Within 10 trading days starting from the preliminary notice date (with the review window extending from the initial date of August 26 to September 06, 2024), the stock will be upgraded to an Investment Warning Stock on the following day if all the following three conditions are met on any specific evaluation day (T):
  1. The closing price on day T represents an increase of 200% or more compared to the closing price from one year ago.
  2. The closing price on day T is the highest closing price over the past 15 consecutive trading days (including day T).
  3. The number of days where the buy involvement rate of the top 10 accounts (considering market impact over the past 15 days) meets the regulatory threshold is 4 days or more.
• Review Schedule Note: The review process begins on August 26, 2024. If the conditions are not satisfied, the review slides forward daily until September 06, 2024. The schedule remains subject to change upon potential trading suspensions.
• Governing Regulation: Article 5-3 of the Market Surveillance Regulation and Article 3-3 of the Enforcement Rules of the same regulation.

📈 2. [Expert View: What This Disclosure Means for Investors]

This filing indicates a regulatory market intervention mechanism enforced by the Korea Exchange (KRX) to manage heightened price momentum and ensure investor protection against market overheating. It represents a systematic trading restriction triggered by asset volatility parameters rather than a development identifying an update in Alteogen’s underlying operational fundamental, clinical trials, or earnings performance.

The preliminary warning may generate a near-term psychological cooling effect on market participants during the caution designation window on August 26. If buying interest persists throughout the evaluation window (August 26 to September 06), forcing the stock to hit new 15-day highs alongside heavy trading concentration from the top 10 accounts, a formal upgrade to an ‘Investment Warning Stock’ could occur. Since progressing to the Investment Warning tier restricts credit leverage and implements a mandatory 100% upfront cash deposit rule, investors are advised to monitor the daily closing price vectors and high-volume account indicators carefully rather than trading purely on near-term upward momentum.

📝 Editor’s Comment (by K-STOCK Editor)

Applied Comment Style: Cautionary View

Alteogen’s powerful market rally has officially caught the attention of regulatory watchdogs, resulting in a preliminary ‘Investment Warning Stock’ alert. A stellar 200% year-on-year surge combined with concentrated accumulation from the top 10 accounts over the past 15 sessions has pushed the stock into the ‘Investment Caution’ bracket for August 26. While this temporary designation lasts for just one session, intraday volatility may spike. Given that the window for a potential upgrade to an Investment Warning status stays wide open until September 6, stepping back from emotional FOMO and objectively checking resistance barriers would be a safer route for portfolio protection.

📢 Disclaimer and Source Information

Source: This content has been structured and newly written based on the official data submitted to the Electronic Disclosure System (DART) of the Financial Supervisory Service.

Investment Risk Notice: This content is provided solely for informational and linguistic reference purposes. Under no circumstances does it constitute financial advice or a recommendation to buy or sell specific stocks. All investment decisions and financial responsibilities rest entirely with the investor.

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