one additional common share at a price of $0.80 per common share until June 15, 2020. Furthermore, on January 22, 2016, Mr. Kroll acquired 62,500 units at a price of $0.80 per unit pursuant to a private placement. Each unit consisted of one common share and one common share purchase warrant. Each warrant is exercisable for one additional common share at a price of $2.00 per common share until January 22, 2021.
On June 11, 2015 we granted 22,500,000 stock options to Mr. Kroll having an exercise price of $0.30 per common share until June 11, 2022. On July 20, 2018, Mr. Kroll agreed to forfeit an aggregate of 20,454,545 stock options. As of the date hereof, Mr. Kroll holds 2,045,455 stock options, which are exercisable until June 11, 2022. In addition, on December 9, 2015 we granted 2,500,000 stock options to Mr. Kroll having an exercise price of $0.80 per common share until December 9, 2022. On July 20, 2018, Mr. Kroll agreed to forfeit an aggregate of 2,272,777 of these stock options. As of the date hereof, Mr. Kroll holds 227,273 stock options, which are exercisable until December 9, 2022 Furthermore, on February 17, 2017 we granted 5,000 stock options to Mr. Kroll having an exercise price of $2.00 per common share until February 17, 2024.
Henry Reisner
On October 18, 2017, we entered into a Share Purchase Agreement (the “SPA”) to acquire Intermeccanica with Henry Reisner, our President and Chief Operating Officer, and two members of his family, which replaced a prior Joint Operating Agreement. Under the SPA, we agreed to purchase all the shares of Intermeccanica for $2,500,000, $300,000 of which had been previously paid under the Joint Operating Agreement. At closing, we paid the sellers $700,000 and issued a Note for the balance of $1,500,000. On January 28, 2018, we paid off all of the principal and interest due on the Note for $1,520,548.
On February 16, 2015, Mr. Henry Reisner acquired 2,375,000 common shares at a price of $0.0004 per common share pursuant to a private placement. Mr. Reisner’s wife and daughter acquired 525,000 common shares and 125,000 common shares, respectively, at a price of $0.0004 per common share pursuant to a private placement.
On July 15, 2015, as amended on September 19, 2016, we entered into a Joint Operating Agreement with Intermeccanica and Henry Reisner which is comprised of three underlying agreements. The Joint Operating Agreement was terminated upon the entry into the SPA.
On August 13, 2015, we granted 625,000 stock options to Mr. Reisner having an exercise price of $0.30 per common share until August 13, 2022. On July 20, 2018, Mr. Reisner agreed to forfeit an aggregate of 568,182 such stock options. As of the date hereof, Mr. Reisner holds 56,818 stock options exercisable until August 13, 2022. In addition, on December 9, 2015, we granted 625,000 stock options to Mr. Reisner having an exercise price of $0.80 per common share until December 9, 2022. On July 20, 2018, Mr. Reisner agreed to forfeit an aggregate of 568,182 of such stock options. As of the date hereof, Mr. Reisner holds 56,818 stock options exercisable until December 9, 2022. Furthermore, on February 17, 2017, we granted 5,000 stock options to Mr. Reisner having an exercise price of $2.00 per common share until February 17, 2024.
Iain Ball
On August 13, 2015, we granted 250,000 stock option to Iain Ball having an exercise price of $0.30 per common share until August 13, 2022. On July 20, 2018, Mr. Ball agreed to forfeit an aggregate of 227,273 of such stock options. As of the date hereof, Mr. Reisner holds 22,727 stock options exercisable until December 9, 2022. In addition, on December 9, 2015, we granted 375,000 stock options to Mr. Ball having an exercise price of $0.80 per common share until December 9, 2022. On July 20, 2018, Mr. Ball agreed to forfeit an aggregate of 340,909 of such stock options. As of the date hereof, Mr. Ball holds 34,091 stock options exercisable until December 9, 2022, Furthermore, on February 17, 2017 we granted 5,000 stock options to Mr. Ball having an exercise price of $2.00 per common share until February 17, 2024.
On August 19, 2015, Mr. Iain Ball acquired 31,250 units at a price of $0.80 per unit. Each unit consisted of one common share and one common share purchase warrant. Each warrant is exercisable for one additional common share at a price of $2.00 per common share until August 19, 2020.