Coupang(US:CPNG) Globenewswire·2026-01-22 23:00Core Viewpoint - A class action lawsuit has been filed against Coupang, Inc. for alleged securities fraud related to a significant data breach affecting customer information [4]. Group 1: Lawsuit Details - The lawsuit is on behalf of investors who purchased Coupang securities between May 7, 2025, and December 16, 2025, alleging false statements and failure to disclose critical information regarding cybersecurity [4]. - Allegations include inadequate cybersecurity protocols that allowed unauthorized access to sensitive customer information for nearly six months, leading to increased regulatory scrutiny [4]. - The lawsuit claims that Coupang did not report the data breach in compliance with U.S. Securities and Exchange Commission rules when it became aware of the situation [4]. Group 2: Impact of the Data Breach - On November 29, 2025, Coupang disclosed that personal information of 33.7 million customer accounts had been compromised, resulting in a share price drop of approximately 5.36%, from $28.16 to $26.65 [5]. - Following a New York Times article on December 10, 2025, regarding the resignation of Coupang's South Korean unit head due to the data breach, shares fell by about 3.23%, from $26.93 to $26.06 [6]. - On December 16, 2025, Coupang filed an 8-K form acknowledging the breach, revealing that a former employee accessed personal data of up to 33 million customers, leading to a further share price decline of approximately 2%, from $23.19 to $22.72 [7].