Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Stock^F1,F2	Sep 18, 2018	C	625,482	—	A	625,482	D
Common Stock^F3,F2	Sep 18, 2018	C	521,235	—	A	1,146,717	D
Common Stock^F4,F2	Sep 18, 2018	C	453,954	—	A	1,600,671	D
Common Stock^F5,F2	Sep 18, 2018	C	167,537	—	A	1,768,208	D
Common Stock^F2	Sep 18, 2018	P	270,000	$17.00	A	2,038,208	D

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Series B-1 Preferred Stock^F1,F2	—	Sep 18, 2018	C	625,482	D	—	—	Common Stock	625,482	0	D
Series B-2 Preferred Stock^F3,F2	—	Sep 18, 2018	C	521,235	D	—	—	Common Stock	521,235	0	D
Series B-3 Preferred Stock^F4,F2	—	Sep 18, 2018	C	453,954	D	—	—	Common Stock	453,954	0	D
Series C Preferred Stock^F5,F2	—	Sep 18, 2018	C	167,537	D	—	—	Common Stock	167,537	0	D
Warrant (Right to Buy)^F2,F6,F7,F4	—	holding	—	—	—	—	Dec 29, 2022	Common Stock	20,938	20,938	D

Explanation of responses

F1Each share of the Series B-1 Preferred Stock converted immediately upon the closing of the Issuer's initial public offering of its common stock into 1 share of the Issuer's common stock.
F2The shares are held of record by Sofinnova Venture Partners VIII, L.P. ("SVP VIII"). Sofinnova Management VIII, L.L.C. ("SM VIII") is the general partner of SVP VIII. The individual managing members of SM VIII are Michael Powell, James Healy and Anand Mehra, and they may be deemed to share voting and dispositive power over the shares held by SVP VIII. Such persons and entities disclaim beneficial ownership over the shares held by SVP VIII except to the extent of any pecuniary interest therein.
F3Each share of the Series B-2 Preferred Stock converted immediately upon the closing of the Issuer's initial public offering of its common stock into 1 share of the Issuer's common stock.
F4Each share of the Series B-3 Preferred Stock converted immediately upon the closing of the Issuer's initial public offering of its common stock into 1 share of the Issuer's common stock.
F5Each share of the Series C Preferred Stock converted immediately upon the closing of the Issuer's initial public offering of its common stock into 1 share of the Issuer's common stock.
F6This warrant has converted from a warrant to purchase Series B-3 Convertible Preferred Stock into a warrant to purchase Common Stock.
F7This warrant is exercisable at any time.