(71) On November 30, 2017, we issued an aggregate of 14,000 shares of restricted common stock under our Restricted Stock Plan to certain of our employees.
(72) On December 11, 2017, we issued an aggregate of 151,030 shares of restricted common stock under our Restricted Stock Plan to certain of our advisory board members and consultants.
(73) On December 29, 2017, we issued an aggregate of 255,000 shares of restricted common stock under our Restricted Stock Plan to certain of our employees.
(74) On February 28, 2018, we issued an aggregate of 62,961 shares of restricted common stock under our Restricted Stock Plan to certain of our employees and consultants.
(75) On March 30, 2018, we issued an aggregate of 74,938 shares of restricted common stock under our Restricted Stock Plan to certain of our employees and consultants.
(76) On April 30, 2018, we issued an aggregate of 21,200 shares of restricted common stock under our Restricted Stock Plan to certain of our employees and consultants.
(77) On May 3, 2018, we issued an aggregate of 350,000 shares of restricted common stock under our Restricted Stock Plan to our directors.
(78) On June 6, 2018, we issued an aggregate of 77,514 shares of restricted common stock under our Restricted Stock Plan to certain of our employees and consultants.
(79) On June 7, 2018, we approved the issuance of restricted common stock under our Restricted Stock Plan to certain of our executive officers, which awards were subject to performance-based milestone vesting. A total of 46,947 shares of restricted stock were earned by and awarded to these executive officers upon the satisfaction of specified criteria.
(80) On July 10, 2018, we issued an aggregate of 1,500 shares of restricted common stock under our Restricted Stock Plan to certain of our employees.
(81) On September 28, 2018, we issued an aggregate of 120,060 shares of restricted common stock under our Restricted Stock Plan to certain of our employees, advisory board members and consultants.
(82) On November 14, 2018, we issued an aggregate of 305,750 shares of restricted common stock under our Restricted Stock Plan to certain of our employees.
(83) On December 31, 2018, we issued an aggregate of 168,000 shares of restricted common stock under our Restricted Stock Plan to certain of our employees.
(84) On January 18, 2019, we issued an aggregate of 25,000 shares of restricted common stock under our Restricted Stock Plan to two new directors, and on September 27, 2019, we issued an aggregate of 450,000 shares of common stock to our nine directors.
(85) On February 28, 2019, our board of directors approved the issuance of up to 210,000 shares of common stock under our 2019 Incentive Plan to certain of our executive officers, subject to the achievement of specified performance-based criteria. On May 28, 2019, we issued stock options to certain of our employees and consultants under our 2019 Incentive Plan to purchase an aggregate of 426,000 shares of common stock at an exercise price of $4.75 per share.
The offers, sales and issuances of the securities described in (48) through (85) above (other than (51), (54), (59) and (70)) were deemed to be exempt from registration either under Rule 701 promulgated under the Securities Act, in that the transactions were under compensatory benefit plans and contracts relating to compensation, or under Section 4(a)(2) and Rule 506(b) in that the
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