Shareholder Suit Claims Coupang Hid Six-Month Data Breach, Misled Regulators

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Kuehn Law is probing whether Coupang officers withheld disclosure of a cybersecurity lapse that let a former employee access customer data for six months without reporting the breach to the SEC. The lawsuit claims this failure exposed the company to legal and regulatory risk and rendered earlier public statements false.

1. Shareholder Litigation Over Alleged Cybersecurity Breach

On January 16, 2026, Kuehn Law, PLLC announced an investigation into whether certain officers and directors of Coupang, Inc. breached their fiduciary duties by failing to disclose a prolonged data breach. According to a federal securities complaint, inadequate cybersecurity protocols allowed a former employee to access sensitive customer information for nearly six months without detection. Insiders did not report the breach in a timely SEC filing, exposing the company to heightened regulatory and legal scrutiny. The suit alleges that public statements during the period were materially false or misleading, potentially giving rise to significant shareholder claims and reputational damage for the e-commerce leader.

2. Deutsche Bank Upgrade and Mixed Trading Performance

On January 15, 2026, Deutsche Bank upgraded Coupang from Hold to Buy, citing confidence in the company’s long-term growth trajectory despite recent volatility. The stock outperformed major U.S. indices with a single-day gain of 2.21%, yet has declined 8.49% over the past month, underperforming its Retail-Wholesale peers. Analysts forecast a 25% year-over-year drop in earnings per share to $0.03, even as revenue is expected to climb 16.42% to $9.27 billion in the upcoming quarter. Full-year consensus estimates call for EPS of $0.16 and revenue of $34.97 billion. Coupang’s market capitalization stands near $38.8 billion, and trading volume averaged 29.48 million shares, underscoring continued investor interest amid ebbs and flows in performance.

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