Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	Jan 30, 2018	C	1,059,148	—	A	1,059,148	I	By DAG Ventures V-QP, L.P.
Common Stock^F1,F2	Jan 30, 2018	C	2,580	—	A	2,580	I	By DAG Ventures V, L.P.
Common Stock^F3,F2	Jan 30, 2018	C	728,080	—	A	1,787,228	I	By DAG Ventures V-QP, L.P.
Common Stock^F3,F2	Jan 30, 2018	C	1,772	—	A	4,352	I	By DAG Ventures V, L.P.
Common Stock^F4,F2	Jan 30, 2018	C	200,786	—	A	1,988,014	I	By DAG Ventures V-QP, L.P.
Common Stock^F4,F2	Jan 30, 2018	C	489	—	A	4,841	I	By DAG Ventures V, L.P.
Common Stock^F5,F2	Jan 30, 2018	C	226,543	—	A	2,214,557	I	By DAG Ventures V-QP, L.P.
Common Stock^F5,F2	Jan 30, 2018	C	551	—	A	5,392	I	By DAG Ventures V, L.P.
Common Stock^F6,F2	Jan 30, 2018	C	183,351	—	A	2,397,908	I	By DAG Ventures V-QP, L.P.
Common Stock^F6,F2	Jan 30, 2018	C	446	—	A	5,838	I	By DAG Ventures V, L.P.

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	D/I
Series A Preferred Stock^F2,F1	—	Jan 30, 2018	C	1,059,148	D	—	—	Common Stock	1,059,148	I
Series A Preferred Stock^F2,F1	—	Jan 30, 2018	C	2,580	D	—	—	Common Stock	2,580	I
Series B Preferred Stock^F2,F3	—	Jan 30, 2018	C	728,080	D	—	—	Common Stock	728,080	I
Series B Preferred Stock^F2,F3	—	Jan 30, 2018	C	1,772	D	—	—	Common Stock	1,772	I
Series B-1 Preferred Stock^F2,F4	—	Jan 30, 2018	C	200,786	D	—	—	Common Stock	200,786	I
Series B-1 Preferred Stock^F2,F4	—	Jan 30, 2018	C	489	D	—	—	Common Stock	489	I
Series C Preferred Stock^F2,F5	—	Jan 30, 2018	C	226,543	D	—	—	Common Stock	226,543	I
Series C Preferred Stock^F2,F5	—	Jan 30, 2018	C	551	D	—	—	Common Stock	551	I
Series C-1 Preferred Stock^F2,F6	—	Jan 30, 2018	C	183,351	D	—	—	Common Stock	183,351	I
Series C-1 Preferred Stock^F2,F6	—	Jan 30, 2018	C	446	D	—	—	Common Stock	446	I

Explanation of responses

F1Each share of the Issuer's Series A Preferred Stock converted automatically into shares of the Issuer's Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series A Preferred Stock did not have an expiration date.
F2DAG Ventures Management V, LLC ("DAG Management V") serves as the sole General Partner of DAG Ventures V-QP, L.P. ("DAG V-QP") and DAG Ventures V, L.P. ("DAG V"). As such, DAG Management V possesses sole voting and investment control over the securities owned by DAG V-QP and DAG V, and may be deemed to have indirect beneficial ownership of the securities held by DAG V-QP and DAG V. DAG Management V, however, owns no securities of the Issuer directly. Messrs. Cadeddu and Goodrich are Managing Directors of DAG Management V and share voting and dispositive power over the shares held by DAG V-QP and DAG V. Each Reporting Person disclaims beneficial ownership of the shares held by DAG V-QP and DAG V except to the extent of his or its proportionate pecuniary interest therein.
F3Each share of the Issuer's Series B Preferred Stock converted automatically into shares of the Issuer's Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series B Preferred Stock did not have an expiration date.
F4Each share of the Issuer's Series B-1 Preferred Stock converted automatically into shares of the Issuer's Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series B-1 Preferred Stock did not have an expiration date.
F5Each share of the Issuer's Series C Preferred Stock converted automatically into shares of the Issuer's Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series C Preferred Stock did not have an expiration date.
F6Each share of the Issuer's Series C-1 Preferred Stock converted automatically into shares of the Issuer's Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series C-1 Preferred Stock did not have an expiration date.