| (j) | ☐ Group, in accordance with Rule13d-1(b)(1)(ii)(J). |
| (k) | ☐ Group, in accordance with Rule240.13d-1(b)(1)(ii)(K). If filing as anon-U.S. institution in accordance with Rule240.13d-1(b)(1)(ii)(J), please specify the type of institution: |
| (a) | Amount beneficially owned: |
3,063,198 shares of Common Stock. Includes (i) 802,512 shares of Common Stock issuable upon the exercise of options to purchase Common Stock that are exercisable within 60 days of December 31, 2019, (ii) 65,357 shares of Common Stock issuable on the vesting of restricted stock units that will vest within 60 days of December 31, 2019, (iii) 924,495 shares held by Kenneth Earl Rees Family Investments, Ltd., and (iv) 799,492 shares held by Jeanne Margaret Gulner Family Investments, Ltd. Mr. Rees is the spouse of Jeanne M. Gulner and may be deemed by the SEC under Rule13d-3 of the Exchange Act to have shared voting power to dispose of the shares held directly or indirectly by Jeanne M. Gulner.
Approximately 6.9% of the shares of Common Stock outstanding as of December 31, 2019, assuming 44,544,695 shares outstanding, representing (i) 43,676,826 shares outstanding as of December 31, 2019, (ii) 802,512 shares subject to options to purchase Common Stock exercisable within 60 days of December 31, 2019, and (iii) 65,357 shares of Common Stock issuable on the vesting of restricted stock units that will vest within 60 days of December 31, 2019.
| (c) | Number of shares as to which such person has: |
| (i) | Sole power to vote or to direct the vote |
2,263,706
| (ii) | Shared power to vote or to direct the vote |
799,492
| (iii) | Sole power to dispose or to direct the disposition of |
2,263,706
| (iv) | Shared power to dispose or to direct the disposition of |
799,492
Item 5. | Ownership of Five Percent or Less of a Class. |
Not applicable.
Item 6. | Ownership of More than Five Percent on Behalf of Another Person. |
Not applicable.
Item 7. | Identification and Classification of the Subsidiary That Acquired the Security Being Reported on by the Parent Holding Company or Control Person. |
Not applicable.