X0306 4 2020-06-11 0 0001351285 ROSETTA STONE INC RST 0001184343 GROSS PATRICK W C/O ROSETTA STONE INC. 1621 NORTH KENT STREET, SUITE 1200 ARLINGTON VA 22209 1 0 0 0 Restricted Stock Unit 2020-06-11 4 A 0 5844 0.00 A Common Stock 5844 85833 D Stock Option (right to buy) 17.11 2020-06-11 4 A 0 7278 0.00 A 2030-06-11 Common Stock 7278 7278 D Each RSU represents the right to receive one share of common stock of the Issuer. RSUs vest at a rate of 1/4 per quarter and become fully vested on June 11, 2021. Delivery of the shares entitled to the Reporting Person will be made upon the Reporting Person's separation from service to the Board of Directors. Options vest at a rate of 1/4 per quarter over one year and become fully vested June 11, 2021. /s/ Sean Klein, Attorney-in-fact 2020-06-15