Tennant Company (NYSE: TNC) is being investigated by Lowey Dannenberg over potential violations of Federal Securities Laws

Lowey Dannenberg is investigating Tennant Company (NYSE: TNC) for potential federal securities law violations. The company revealed in February 2026 that its ERP system rollout caused severe operational disruptions, resulting in $30 million in lost sales and requiring $20 million in remediation costs. This contradicted prior investor assurances that the project was on track. The disclosure triggered a 23% stock price decline from $82.30 to $63.02 per share.