1. Name and Address of Reporting Person*ARCH Venture Partners X, LLC | 8755 W. HIGGINS ROAD, SUITE 1025 | | (Street) | 2. Issuer Name and Ticker or Trading Symbol Erasca, Inc. [ ERAS ] | 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) | Director | X | 10% Owner | | Officer (give title below) | | Other (specify below) | | |
3. Date of Earliest Transaction (Month/Day/Year) 07/20/2021 |
4. If Amendment, Date of Original Filed (Month/Day/Year) | 6. Individual or Joint/Group Filing (Check Applicable Line) | Form filed by One Reporting Person | X | Form filed by More than One Reporting Person | |
1. Name and Address of Reporting Person*ARCH Venture Partners X, LLC | 8755 W. HIGGINS ROAD, SUITE 1025 | | (Street) |
1. Name and Address of Reporting Person*ARCH Venture Fund X, L.P. | 8755 W. HIGGINS ROAD, SUITE 1025 | | (Street) |
1. Name and Address of Reporting Person*ARCH Venture Fund X Overage, L.P. | 8755 W. HIGGINS ROAD, SUITE 1025 | | (Street) |
1. Name and Address of Reporting Person*ARCH Venture Partners X, L.P. | 8755 W. HIGGINS ROAD, SUITE 1025 | CHICAGO | (Street) |
1. Name and Address of Reporting Person*ARCH Venture Partners X Overage, L.P. | 8755 W. HIGGINS ROAD, SUITE 1025 | | (Street) |
1. Name and Address of Reporting Person* 8755 W. HIGGINS ROAD, SUITE 1025 | | (Street) |
1. Name and Address of Reporting Person* 8755 W. HIGGINS ROAD, SUITE 1025 | | (Street) |
1. Name and Address of Reporting Person* 8755 W. HIGGINS ROAD, SUITE 1025 | | (Street) |
1. Name and Address of Reporting Person* 8755 W. HIGGINS ROAD, SUITE 1025 | | (Street) |
| /s/ ARCH Venture Fund X, L.P., By: ARCH Venture Partners X, L.P., its General Partner, By: ARCH Venture Partners X, LLC, its General Partner, By: Mark McDonnell, attorney-in-fact | 07/20/2021 |
| /s/ ARCH Venture Fund X Overage, L.P., By: ARCH Venture Partners X Overage, L.P., its General Partner, By: ARCH Venture Partners X, LLC, its General Partner, By: Mark McDonnell, attorney-in-fact | 07/20/2021 |
| /s/ ARCH Venture Partners X, L.P., its General Partner, By: ARCH Venture Partners X, LLC, its General Partner, By: Mark McDonnell, attorney-in-fact | 07/20/2021 |
| /s/ ARCH Venture Partners X Overage, L.P., its General Partner, By: ARCH Venture Partners X, LLC, its General Partner, By: Mark McDonnell, attorney-in-fact | 07/20/2021 |
| /s/ ARCH Venture Partners X, LLC, its General Partner, By: Mark McDonnell, attorney-in-fact | 07/20/2021 |
| /s/ Robert Nelsen, By: Mark McDonnell, attorney-in-fact | 07/20/2021 |
| /s/ Keith Crandell, By: Mark McDonnell, attorney-in-fact | 07/20/2021 |
| /s/ Kristina Burow, By: Mark McDonnell, attorney-in-fact | 07/20/2021 |
| /s/ Steven Gillis, By: Mark McDonnell, attorney-in-fact | 07/20/2021 |
| ** Signature of Reporting Person | Date |
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. |
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v). |
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). |
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. |
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number. |