Multiple law-firm announcements report that a securities-fraud class action has been filed related to Badger Meter, Inc. (NYSE: BMI). According to the notices, the lawsuit is brought on behalf of investors who purchased or otherwise acquired Badger Meter common stock during a specified period. One filing states the class includes shareholders who bought or acquired shares between April 18, 2024 and April 16, 2026. Another notice similarly describes an opportunity for investors who claim losses to serve as a lead plaintiff in the action. The announcements direct potentially eligible shareholders to contact the firms for information about recovery options and the process to participate. They also indicate that the cases relate to alleged securities-law violations, consistent with the stated “securities fraud” characterization. The communications do not provide details of the underlying allegations or factual claims in the excerpted text. As presented in these sources, the key development is the filing of the putative class action and the solicitation of investor participation, including lead-plaintiff roles.