 LEXINGTON, Mass., June 21, 2021 PRNewswire -- iSpecimen Inc. Nasdaq: ISPC iSpecimen or the Company, an online marketplace for human biospecimens, today announced the closing of its previously announced initial public offering of 2,250,000 shares of its common stock at a price of 8.00 per share, for gross proceeds of 18,000,000 before deducting underwriting discounts, commissions and offering expenses. 