million, respectively. There were 0 shares issued in connection with the conversion of convertible notes during the three and nine months ended September 30, 2021. See Note 4 – Convertible Notes.
LP Purchase Agreement
On September 7, 2018, the Company entered into a purchase agreement (the “LP Purchase Agreement”) with Lincoln Park, pursuant to which Lincoln Park has agreed to purchase from the Company up to an aggregate of $10,000,000 of common stock of the Company (subject to certain limitations) from time to time over the term of the LP Purchase Agreement.
During the three and nine months ended September 30, 2020, we received 0 and $1.4 million, respectively, from the sale of 0 and 1,040,654 shares of common stock to Lincoln Park under the LP Purchase Agreement, respectively. The LP Purchase Agreement terminated during our second fiscal quarter of 2020.
LP 2020 Purchase Agreement
On March 26, 2020, the Company entered into a purchase agreement (the “LP 2020 Purchase Agreement”) and a registration rights agreement (the “LP 2020 Registration Rights Agreement”) with Lincoln Park pursuant to which Lincoln Park has agreed to purchase from us, from time to time, up to $10,000,000 of our common stock, subject to certain limitations, during the 24 month term of the LP 2020 Purchase Agreement. Pursuant to the terms of the LP 2020 Purchase Agreement, on the agreement date, the Company issued 250,000 shares of its common stock to Lincoln Park as consideration for its commitment to purchase shares of common stock of the Company under the LP Purchase Agreement (the “LP 2020 Commitment Shares”). Pursuant to the terms of the LP 2020 Registration Rights Agreement, on March 27, 2020, as amended on April 8, 2020, the Company filed with the SEC a registration statement on Form S-1 to register for resale under the Securities Act of 1933, as amended, or the Securities Act, 1,770,000 shares of common stock, which includes the LP 2020 Commitment Shares, that have been or may be issued to Lincoln Park under the LP 2020 Purchase Agreement. The Form S-1 was declared effective by the SEC on April 13, 2020. As of June 22, 2020, all shares registered under this S-1 had been sold and/or issued to Lincoln Park. On June 26, 2020, the Company filed with the SEC a registration statement on Form S-1 to register for resale under the Securities Act of 1933, as amended, or the Securities Act, an additional 4,500,000 shares of common stock that have been or may be issued to Lincoln Park under the LP Purchase Agreement. The Form S-1 was amended on July 7, 2020 and declared effective by the SEC on July 7, 2020. For the three and nine months ended September 30, 2020, 2,060,000 shares, respectively, registered under this S-1 had been sold and/or issued to Lincoln Park. As of September 30, 2021, 3,460,000 shares registered under this S-1 had been sold and/or issued to Lincoln Park.
As of the date of this Quarterly Report on Form 10-Q, we have received an aggregate of $8.8 million from the sale of common stock to Lincoln Park under the LP 2020 Purchase Agreement, including 0 and $1.3 million from the sale of 0 and 500,000 shares of common stock, respectively, during the three and nine months ended September 30, 2021. The Company terminated the LP 2020 Purchase Agreement effective June 14, 2021.
At The Market Offering Agreement
On April 2, 2021, the Company entered into a sales agreement with A.G.P./Alliance Global Partners (“AGP”), pursuant to which the Company may offer and sell its common stock, par value $0.01 per share (the “Common Stock”) (the “Shares”), having aggregate sales proceeds of up to $22.0 million. Shares can be sold either directly to or through AGP as a sales agent (the “AGP Sales Agreement”), from time to time, in an “at the market offering” (as defined in Rule 415(a)(4) under the Securities Act of 1933, as amended) of the Shares (the “ATM Offering”). The Company is limited in the number of shares it can sell in the ATM Offering due to the offering limitations currently applicable to the Company under General Instruction I.B.6. of Form S-3 and the Company’s public float as of the applicable date of such sales, as well as the number of authorized and unissued shares available for issuance, in accordance with the terms of the AGP Sales Agreement.