Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Warrants to Purchase Series B Preferred Stock^F2,F4	$0.12	Oct 22, 2018	X	49,030	D	—	—	Series B Preferred Stock	49,030	0	I
Series B Preferred Stock^F2,F1	—	Oct 22, 2018	X	49,030	A	—	—	Common Stock	49,030	3,280,804	I
Series B Preferred Stock^F2,F1	—	Oct 22, 2018	S	1,177	D	—	—	Common Stock	1,177	3,279,627	I
Series B Preferred Stock^F2,F1	—	Oct 22, 2018	C	3,279,627	D	—	—	Common Stock	3,279,627	0	I
Warrants to Purchase Series C-1 Preferred Stock^F2,F4	$0.12	Oct 22, 2018	X	181,190	D	—	—	Series C-1 Preferred Stock	181,190	0	I
Series C-1 Preferred Stock^F2,F1	—	Oct 22, 2018	X	181,190	A	—	—	Common Stock	181,190	442,055	I
Series C-1 Preferred Stock^F2,F1	—	Oct 22, 2018	S	4,349	D	—	—	Common Stock	4,349	437,706	I
Series C-1 Preferred Stock^F2,F1	—	Oct 22, 2018	C	437,706	D	—	—	Common Stock	437,706	0	I
Series D Preferred Stock^F2,F1	—	Oct 22, 2018	C	1,124,301	D	—	—	Common Stock	1,124,301	0	I

Explanation of responses

F1Each share of Preferred Stock converted into Common Stock on a one-for-one basis upon the closing of the Issuer's initial public offering and has no expiration date.
F2The securities are directly held by New Enterprise Associates 13, L.P. ("NEA 13") and are indirectly held by NEA Partners 13, L.P. ("NEA Partners 13"), the sole general partner of NEA 13, NEA 13 GP, LTD ("NEA 13 LTD"), the sole general partner of NEA Partners 13 and each of the individual directors of NEA 13 LTD (NEA Partners 13, NEA 13 LTD and the individual directors of NEA 13 LTD (collectively, the "Directors") together, the "Indirect Reporting Persons"). The Directors of NEA 13 LTD are M. James Barrett, Peter J. Barris, Forest Baskett, Patrick J. Kerins, David M. Mott, Scott D. Sandell and Ravi Viswanathan. The Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA 13 securities in which the Indirect Reporting Persons have no pecuniary interest.
F3Represents the net exercise of the warrants immediately prior to, and contingent upon, the closing of the Issuer's initial public offering.
F4The warrants were exercisable until, and were scheduled to expire upon, the closing of the Issuer's initial public offering.