Note 10. Share-based Compensation:

During the six months ended December 31, 2021 and 2020, the Company granted 0.3 million and 0.7 million stock options at weighted average grant prices of $483.48 and $267.59 and weighted average fair values of $119.27 and $56.88, respectively. During the six months ended December 31, 2021 and 2020, the Company granted 21,218 and 22,367 restricted stock units at a weighted average fair value of $485.94 and $267.87, respectively. During the six months ended December 31, 2021 and 2020, the Company granted 6,896 and 11,803 shares of restricted common stock shares at a weighted average fair value of $489.34 and $264.73.

Stock options for 470,942 and 293,262 shares of common stock with total intrinsic values of $170.7 million and $50.6 million were exercised during the six months ended December 31, 2021 and 2020, respectively.

Stock-based compensation expense, inclusive of payroll taxes, of $14.1 million and $15.6 million was included in selling, general and administrative expenses for the quarter ended December 31, 2021 and 2020, respectively. Stock-based compensation expenses, inclusive of payroll taxes, of $27.3 million and $28.5 million was included in selling, general, and administrative expenses for the six months ended December 31, 2021 and 2020, respectively. Additionally, the company recognized $0.4 million and $0.8 million of stock-based compensation costs in cost of goods sold in the quarter and six months ended December 31, 2021 respectively, compared to $0.6 million and $1 million in cost of goods sold in the comparative prior year periods. As of December 31, 2021, there was $54.1 million of unrecognized compensation cost related to non-vested stock options, non-vested restricted stock units and non-vested restricted stock. The weighted average period over which the compensation cost is expected to be recognized is 2.2 years.

In fiscal 2015, the Company established the Bio-Techne Corporation 2014 Employee Stock Purchase Plan (ESPP), which was approved by the Company's shareholders on October 30, 2014, and which is designed to comply with IRS provisions governing employee stock purchase plans. 200,000 shares were allocated to the ESPP. The Company recorded expense of $0.3 million and $0.1 million for the ESPP for the quarter ended December 31, 2021 and 2020, respectively. The Company recorded expense of $0.6 million and $0.4 million for the ESPP for the six months ended December 31, 2021 and 2020, respectively.