Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F4,F1	Oct 4, 2016	C	154,792	—	A	191,603	I	By Radius Venture Partners III (Ohio), L.P.
Common Stock^F4,F2	Oct 4, 2016	C	1,232,499	—	A	1,525,599	I	By Radius Venture Partners III QP, L.P.
Common Stock^F4,F3	Oct 4, 2016	C	113,027	—	A	139,906	I	By Radius Venture Partners III, L.P.
Common Stock^F1	Oct 4, 2016	J	2,102	$0.00	D	189,501	I	By Radius Venture Partners III (Ohio), L.P.
Common Stock^F2	Oct 4, 2016	J	16,735	$0.00	D	1,508,864	I	By Radius Venture Partners III QP, L.P.
Common Stock^F3	Oct 4, 2016	J	1,535	$0.00	D	138,371	I	By Radius Venture Partners III, L.P.

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	D/I
Series A-1 Preferred Stock^F4,F5	—	Oct 4, 2016	C	29,346	D	—	—	Common Stock	15,127	I
Series A-1 Preferred Stock^F4,F5	—	Oct 4, 2016	C	233,659	D	—	—	Common Stock	120,443	I
Series A-1 Preferred Stock^F4,F5	—	Oct 4, 2016	C	21,428	D	—	—	Common Stock	11,045	I
Series B Preferred Stock^F4,F5	—	Oct 4, 2016	C	270,952	D	—	—	Common Stock	139,665	I
Series B Preferred Stock^F4,F5	—	Oct 4, 2016	C	2,157,390	D	—	—	Common Stock	1,112,056	I
Series B Preferred Stock^F4,F5	—	Oct 4, 2016	C	197,846	D	—	—	Common Stock	101,982	I

Explanation of responses

F1These securities are held directly by Radius Venture Partners III (Ohio), L.P. and indirectly by Radius Venture Partners III, LLC, the general partner of Radius Venture Partners III (Ohio), L.P., Jordan S. Davis, managing member of Radius Venture Partners III, LLC, and Daniel C. Lubin, managing member of Radius Venture Partners III, LLC. Mr. Lubin and Mr. Davis share voting and dispositive power with respect to the shares held by Radius Venture Partners III (Ohio), L.P. Mr. Lubin is a director of the Issuer and files separate Section 16 reports. Each of Radius Venture Partners III, LLC, Mr. Davis, and Mr. Lubin may be deemed to beneficially own such securities, and disclaims such beneficial ownership except to the extent of its or his pecuniary interest therein.
F2These securities are held directly by Radius Venture Partners III QP, L.P and indirectly by Radius Venture Partners III, LLC, the general partner of Radius Venture Partners III QP, L.P., Jordan S. Davis, managing member of Radius Venture Partners III, LLC, and Daniel C. Lubin, managing member of Radius Venture Partners III, LLC. Mr. Lubin and Mr. Davis share voting and dispositive power with respect to the shares held by Radius Venture Partners III QP, L.P. Mr. Lubin is a director of the Issuer and files separate Section 16 reports. Each of Radius Venture Partners III, LLC, Mr. Davis, and Mr. Lubin may be deemed to beneficially own such securities, and disclaims such beneficial ownership except to the extent of its or his pecuniary interest therein.
F3These securities are held directly by Radius Venture Partners III, L.P., and indirectly by Radius Venture Partners III, LLC, the general partner of Radius Venture Partners III, L.P., Jordan S. Davis, managing member of Radius Venture Partners III, LLC, and Daniel C. Lubin, managing member of Radius Venture Partners III, LLC. Mr. Lubin and Mr. Davis share voting and dispositive power with respect to the shares held by Radius Venture Partners III, L.P. Mr. Lubin is a director of the Issuer and files separate Section 16 reports. Each of Radius Venture Partners III, LLC, Mr. Davis, and Mr. Lubin may be deemed to beneficially own such securities, and disclaims such beneficial ownership except to the extent of its or his pecuniary interest therein.
F4Each share of Series A-1 Preferred Stock and Series B Preferred Stock was converted automatically into shares of the Issuer's Common Stock immediately prior to the closing of Issuer's initial public offering.
F5The securities did not have an expiration date.
F620,372 shares of common stock were surrendered to the Issuer at the completion of Issuer's initial public offering pursuant to the letter agreement, dated as of June 30, 2014, as amended, with the Issuer.