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STOCKHOLDER'S EQUITY | 12 Months Ended
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Dec. 31, 2020
STOCKHOLDER'S EQUITY |
STOCKHOLDER'S EQUITY | 8. STOCKHOLDER’S EQUITY Common Stock Issued, Net of Issuance Costs December 2020 Purchase Agreement with Lincoln Park Capital, LLC (“Lincoln Park”) On December 4, 2020, the Company entered into a Purchase Agreement with Lincoln Park (“the “December 2020 PA”) to place up to $100.0 million in the aggregate of the Company's common stock on an ongoing basis when required by the Company over a term of 36 months. The Company controls the timing and amount of any sales to Lincoln Park, and Lincoln Park is obligated to make purchases in accordance with the December 2020 PA. Any common stock that is sold to Lincoln Park will occur at a purchase price that is based on an agreed upon fixed discount to the Company's prevailing market prices at the time of each sale and with no upper limits to the price Lincoln Park may pay to purchase common stock. The agreement may be terminated by the Company at any time, in its sole discretion, without any additional cost or penalty. The December 2020 PA specifically provides that the Company may not issue or sell any shares of its common stock under the agreement if such issuance or sale would breach any applicable rules of The Nasdaq Capital Market. In particular, Nasdaq Listing Rule 5635(d) provides that the Company may not issue or sell more than 19.99% of the shares of the Company’s common stock outstanding immediately prior to the execution of the December 2020 PA without shareholder approval. Lincoln Park has no right to require the Company to sell any shares of common stock to Lincoln Park, but Lincoln Park is obligated to make purchases as the Company directs, subject to certain conditions. In all instances, the Company may not sell shares of its common stock to Lincoln Park under the December 2020 PA if it would result in Lincoln Park beneficially owning more than 9.99% of its common stock. The Company did not sell any of its common stock to Lincoln Park under the December 2020 PA during 2020. From January 1, 2021 to February 11, 2021, the Company sold 0.9 million shares of common stock for gross proceeds of $6.6 million. May 2020 Purchase Agreement with Lincoln Park On May 21, 2020, the Company entered into a Purchase Agreement with Lincoln Park, as amended on May 29, 2020 (the “May 2020 PA”), to place up to $12.0 million in the aggregate of the Company’s common stock on an ongoing basis when required by the Company over a term of 24 months, which agreement was authorized by the Company’s shareholders at its 2020 annual meeting. As an initial purchase on May 21, 2020, Lincoln Park bought $250,000 worth of the Company’s common stock at a price of $1.2989 per share. The Company issued 156,250 shares of common stock to Lincoln Park as consideration for its commitment to purchase shares of common stock under the May 2020 PA. On May 21, 2020, the Company entered into a registration rights agreement with Lincoln Park pursuant to which the Company filed a registration statement on Form S-1 with the Securities and Exchange Commission, which was declared effective on June 26, 2020 relating to the resale of an initial tranche of 1.97 million shares subject to the May 2020 PA. As of September 30, 2020, the Company had sold 1.8 shares of common stock for gross proceeds of $3.8 million, of which 1.6 million shares of common stock and gross proceeds of $3.5 million was sold in the three months ended September 30, 2020. The Company filed a second registration statement on Form S-1 relating to the resale of 3.2 million shares which was declared effective on October 2, 2020, and sold 1.1 million shares for gross proceeds of $8.2 million in October 2020. With the October 2020 sales, the $12.0 million sales capacity of the 2020 Purchase Agreement was reached and the agreement terminated. 2019 Purchase Agreement (“2019 Purchase Agreement”) with Lincoln Park On June 6, 2019, the Company entered into the 2019 Purchase Agreement with Lincoln Park to place up to $10.0 million in the aggregate of the Company’s common stock on an ongoing basis when required by the Company over a term of 24 months. On August 6, 2019 the Company’s shareholders approved the sale of up to 3.2 million shares of common stock under the 2019 Purchase Agreement. Following effectiveness of a registration statement on Form S-1 relating to the resale of the shares subject to the 2019 Purchase Agreement on June 18, 2019, the Company began selling shares of its common stock to Lincoln Park under the terms of the 2019 Purchase Agreement. On September 11, 2019, October 28, 2019 and February 28, 2020 the Company filed subsequent registration statements on Form S-1, which were declared effective on September 20, 2019, November 7, 2019 and March 6, 2020, respectively, registering for resale additional shares under the 2019 Purchase Agreement. During 2019, the Company sold 1.7 million shares of common stock for gross proceeds of $5.8 million. During 2020, the Company sold 1.5 million shares for gross proceeds of $1.9 million. The 2019 Purchase Agreement was terminated in May 2020 with historical sales of 3.2 million shares of common stock for gross proceeds of $7.7 million. Securities Purchase Agreement with Lincoln Park On May 24, 2019, Westwater entered into a Securities Purchase Agreement, as amended by Amendment No. 1 thereto dated as of May 30, 2019, with Lincoln Park, pursuant to which the Company agreed to issue and sell to Lincoln Park, and Lincoln Park agreed to purchase from the Company (i) 104,294 shares of the Company's common stock and (ii) warrants to initially purchase an aggregate of up to 182,515 shares of common stock, at an exercise price of $5.062 per share. On May 30, 2019, the Company issued and sold the common shares and the warrants to Lincoln Park and received aggregate gross proceeds before expenses of $550,751. The warrants became exercisable on November 30, 2019 and were exercised on October 6, 2020. Controlled Equity Offering Sales Agreement with Cantor Fitzgerald & Co. (“Cantor”) On April 14, 2017, the Company entered into a Controlled Equity Offering Sales Agreement (the “ATM Offering Agreement”) with Cantor acting as sales agent. Under the ATM Offering Agreement, the Company may from time to time sell shares of its common stock in “at-the-market” offerings. The Company pays Cantor a commission of up to 2.5% of the gross proceeds from the sale of any shares pursuant to the ATM Offering Agreement. During 2019, the Company sold 0.1 million shares of common stock for net proceeds of $0.4 million under the ATM Offering Agreement. During 2020, the Company sold 11.0 million shares of common stock for net proceeds of $49.9 million and from January 1, 2021 to February 5, 2021, the Company sold 9.3 million shares of common stock for net proceeds of $47.3 million under the ATM Offering Agreement. As of February 5, 2021, the Company has no shares of common stock registered for sale under the ATM Offering Agreement. Warrants The following table summarizes warrants outstanding and changes during the years ended December 31, 2020 and 2019:
|  | December 31, 2020 |  | December 31, 2019
|  | Number of |  | Number of
|  | Warrants |  | Warrants
Warrants outstanding at beginning of period |  | 197,622 |  | 15,107
Issued |  | — |  | 182,515
Expired |  | (15,107) |  | —
Exercised |  | (182,515) |  | —
Warrants outstanding at end of period |  | — |  | 197,622
On October 6, 2020, a warrant holder of 182,515 warrants provided notice of exercise. The warrant holder elected the cashless exercise method to convert the warrants to shares of common stock. Based on the cashless exercise formula, the Company issued the warrant holder 118,799 shares of common stock.

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