NEW YORK, Feb. 26, 2026 /PRNewswire/ -- Pomerantz LLP is investigating claims on behalf of investors of Mattel, Inc. ("Mattel" or the "Company") (NASDAQ: MAT). Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.

The investigation concerns whether Mattel and certain of its officers and/or directors have engaged in securities fraud or other unlawful business practices. 

[Click here for information about joining the class action]

On February 10, 2026, Mattel reported fourth quarter full year 2025 results, including, a 1% year-over-year net sales decline, missing the Company's prior guidance of 1% to 3% growth. Mattel's adjusted operating income also fell to $620 million, missing prior guidance of $700 million to $750 million.

On this news, Mattel's stock price fell $5.26 per share, or 24.98%, to close at $15.90 per share on February 11, 2026.

Pomerantz LLP, with offices in New York, Chicago, Los Angeles, London, Paris, and Tel Aviv, is acknowledged as one of the premier firms in the areas of corporate, securities, and antitrust class litigation. Founded by the late Abraham L. Pomerantz, known as the dean of the class action bar, Pomerantz pioneered the field of securities class actions. Today, more than 85 years later, Pomerantz continues in the tradition he established, fighting for the rights of the victims of securities fraud, breaches of fiduciary duty, and corporate misconduct. The Firm has recovered numerous multimillion-dollar damages awards on behalf of class members. See www.pomlaw.com.

Attorney advertising. Prior results do not guarantee similar outcomes.

CONTACT:
Danielle Peyton
Pomerantz LLP
dpeyton@pomlaw.com
646-581-9980 ext. 7980

View original content to download multimedia:https://www.prnewswire.com/news-releases/investor-alert-pomerantz-law-firm-investigates-claims-on-behalf-of-investors-of-mattel-inc---mat-302698830.html

SOURCE Pomerantz LLP