 SAN DIEGO, June 10, 2021 PRNewswire -- Shareholder Rights Law Firm Johnson Fistel, LLP, is investigating potential claims against Vasta Platform Limited Vasta or the Company NASDAQ: VSTA for violations of federal securities laws. On or about July 31, 2020, Vasta sold about 18.6 million shares of stock in its initial public stock offering the IPO, at 19.00 a share, raising nearly 353 million in new capital. 