$ONTX 8K purchase agreement - "The 19,551,124 shares of Common Stock sold in the Registered Direct Offering were offered and sold by the Company directly to the Investors, without a placement agent, underwriter, broker or dealer, pursuant to an effective shelf registration statement on Form S-3 (File No. 333-237844) declared effective by the Securities and Exchange Commission (the “SEC”) on May 18, 2020, and the base prospectus contained therein. Prior to closing, the Company will file a prospectus supplement with the SEC relating to the offer and sale of the shares of Common Stock in the Registered Direct Offering."