Alexander W. Casdin - Jul 20, 2021 Form 4 Insider Report for Erasca, Inc. (ERAS)

Role: Director
Signature: /s/ Ebun S. Garner, Attorney-in-Fact
Stock symbol: ERAS
Transactions as of: Jul 20, 2021
Transactions value $: $0
Form type: 4
Date filed: 7/20/2021, 08:56 PM
Previous filing: Jul 15, 2021
Next filing: Jun 24, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ERAS	Common Stock	Conversion of derivative security		+150K	+80%		338K	Jul 20, 2021	Direct	F1
transaction	ERAS	Common Stock	Conversion of derivative security		+750K			750K	Jul 20, 2021	By Reneo SPV IV LP	F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ERAS	Series A Preferred Stock	Conversion of derivative security		-180K	-100%		0	Jul 20, 2021	Common Stock	150K	$0.00	Direct	F1
transaction	ERAS	Series A Preferred Stock	Conversion of derivative security		-900K	-100%		0	Jul 20, 2021	Common Stock	750K	$0.00	By Reneo SPV IV LP	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The shares of the Issuer's Series A Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at a ratio of 1.2-for-1 share, immediately prior to the consummation of the Issuer's initial public offering.
F2	Alexander Casdin serves as the managing member of Reneo GP LLC, which is the general partner of Reneo Capital SPV IV LP (Reneo SPV). Mr. Casdin exercises voting and dispositive control over the securities held by Reneo SPV and is therefore deemed to be a beneficial owner of securities owned by Reneo SPV. Mr. Casdin disclaims beneficial ownership of the reported securities held by Reneo SPV, except to the extent of his pecuniary interest therein.

Content

The shares of the Issuer's Series A Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at a ratio of 1.2-for-1 share, immediately prior to the consummation of the Issuer's initial public offering.

Alexander Casdin serves as the managing member of Reneo GP LLC, which is the general partner of Reneo Capital SPV IV LP (Reneo SPV). Mr. Casdin exercises voting and dispositive control over the securities held by Reneo SPV and is therefore deemed to be a beneficial owner of securities owned by Reneo SPV. Mr. Casdin disclaims beneficial ownership of the reported securities held by Reneo SPV, except to the extent of his pecuniary interest therein.