Item 4 of the Initial 13D is hereby amended and supplemented by the addition of the following:
“On July 9,2020, certain of the Reporting Persons issued a press release relating to the delivery of a letter to the board of directors of the Issuer relating to, among other things, the voting results of the Issuer’s recent 2020 Annual Meeting and the Issuer’s path forward. The letter demands increased management transparency, including a publicly communicated timeline to commercialization and material Issuer revenue by the end of 2020. A copy of the press release is attached hereto as Exhibit 3 and incorporated by reference in this Item 4 in its entirety.”