In a recent press release dated January 28, 2026, Coupang, Inc. (NYSE: CPNG) finds itself in the midst of a securities fraud class action lawsuit, prompting investors affected by significant share price declines to reach out for representation before the impending February 17, 2026 deadline. The law firm Kirby McInerney LLP is encouraging impacted investors to contact them to explore their rights and options in light of the ongoing litigation.

2. Background of the Lawsuit

The lawsuit centers on claims made on behalf of investors who acquired Coupang securities during a critical period from May 7, 2025, to December 16, 2025. Allegations suggest that Coupang engaged in deceptive practices, failing to adequately disclose serious issues regarding its cybersecurity measures. Specifically, the suit alleges:

Inadequate cybersecurity protocols allowed a former employee to access sensitive customer information without detection for approximately six months.

This breach resulted in heightened risks of regulatory and legal scrutiny for the company.

The company failed to notify investors in a timely manner about the data breach, which is a requirement under U.S. Securities and Exchange Commission (SEC) reporting rules.

3. Impact of the Data Breach

The implications of the data breach have been severe for Coupang. On November 29, 2025, the company disclosed that the personal information of approximately 33.7 million accounts had been compromised. The revelation triggered a significant decline in share value, with Coupang's stock dropping $1.51, or 5.36%, from $28.16 to $26.65 by December 1, 2025.

Further damaging headlines emerged when *The New York Times* reported on December 10, 2025, about the resignation of Coupang’s South Korean unit head as a direct consequence of the data breach. Following this news, shares fell again by $0.87, or 3.23%, from $26.93 to $26.06.

The situation worsened on December 16, 2025, when Coupang filed an 8-K form acknowledging the breach. The company's admission revealed that a former employee had potentially accessed names, phone numbers, delivery addresses, email addresses, and order histories of nearly 33 million users. This disclosure led to a further decline in share prices, with a drop of $0.47, or 2%, from $23.19 to $22.72 the following day.

4. Next Steps for Investors

Investors who purchased Coupang securities during the specified class period and suffered financial losses are encouraged to contact Kirby McInerney LLP to discuss their options. The firm specializes in securities litigation and has a track record of achieving significant recoveries for shareholders.

Potential lead plaintiffs are reminded that courts will not consider applications submitted after the February 17 deadline. The lead plaintiff plays a crucial role in guiding the litigation process and can influence major decisions regarding strategy and settlement.

5. Conclusion

As Coupang navigates the fallout from a substantial data breach and the associated legal challenges, investors must act swiftly to protect their interests. The ongoing developments in this case serve as a stark reminder of the importance of cybersecurity and transparent corporate governance in today’s digital marketplace.

Original press release