 REHOVOT, Israel, Feb. 18, 2021 GLOBE NEWSWIRE -- CollPlant Biotechnologies NASDAQ:CLGN, today announced that it has closed the previously announced registered direct offering for the purchase and sale of an aggregate of 2,000,000 of the Companys American Depositary Shares ADSs, at a purchase price of 17.50 per ADS. Each ADS represents one 1 ordinary share, par value NIS 1.50 per share, of CollPlant. 