Coupang(US:CPNG) Globenewswire·2026-01-10 01:00Core Viewpoint - The lawsuit against Coupang, Inc. alleges that the company made false or misleading statements regarding its cybersecurity protocols, leading to a significant data breach affecting millions of customers [4]. Group 1: Lawsuit Details - The lawsuit is on behalf of investors who purchased Coupang securities between August 6, 2025, and December 16, 2025, alleging inadequate cybersecurity measures allowed unauthorized access to sensitive customer information [4]. - The breach reportedly involved a former employee accessing sensitive data for nearly six months without detection, increasing the risk of regulatory scrutiny [4]. - Coupang acknowledged the breach on December 16, 2025, revealing that personal information of up to 33 million customer accounts was compromised [7]. Group 2: Impact on Stock Price - Following the announcement of the data breach on November 29, 2025, Coupang's stock price fell by $1.51, or approximately 5.36%, from $28.16 to $26.65 [5]. - On December 10, 2025, after the resignation of the head of Coupang's South Korean unit due to the breach, the stock price declined by $0.87, or about 3.23%, from $26.93 to $26.06 [6]. - After the formal acknowledgment of the breach on December 16, 2025, the stock price dropped from $23.19 to $22.72 [7].