Investor alert: law offices of howard g. smith announces investigation of spero therapeutics, inc. (spro) on behalf of investors

Bensalem, pa.--(business wire)--law offices of howard g. smith announces an investigation on behalf of spero therapeutics, inc. (“spero” or the “company”) (nasdaq: spro) investors concerning the company's possible violations of federal securities laws. on october 28, 2021, spero announced that it had submitted a new drug application (“nda”) to the u.s. food and drug administration (“fda”) for its urinary tract infection treatments, tebipenem hbr. on march 31, 2022, spero released its fourth qua
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