Rick Yang - Jun 23, 2021 Form 3 Insider Report for Monte Rosa Therapeutics, Inc. (GLUE)

Role: 10%+ Owner
Signature: /s/ Sasha Keough, attorney-in-fact
Stock symbol: GLUE
Transactions as of: Jun 23, 2021
Transactions value $: $0
Form type: 3
Date filed: 6/23/2021, 09:15 PM
Next filing: Jun 24, 2021

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

Type	Sym	Class	Date	Underlying Class	Amount	Ownership	Footnotes
holding	GLUE	Series A-2 convertible preferred stock	Jun 23, 2021	Common Stock	2.72M	See Note 2	F1, F2
holding	GLUE	Series B convertible preferred stock	Jun 23, 2021	Common Stock	3.26M	See Note 2	F1, F2
holding	GLUE	Series C convertible preferred stock	Jun 23, 2021	Common Stock	669K	See Note 2	F1, F2

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

Explanation of Responses:

Id	Content
F1	Each share of Series A-2 convertible preferred stock, Series B convertible preferred stock and Series C convertible preferred stock (collectively, the "Preferred Stock") is convertible into shares of the Issuer's Common Stock on a 3.5305-for-one basis. Upon the closing of the Issuer's initial public offering, all shares of Preferred Stock will convert into the number of shares of Common Stock of the Issuer shown in column 3. The Preferred Stock has no expiration date.
F2	The Reporting Person is a manager of NEA 17 GP, LLC ("NEA 17 GP"), which is the sole general partner of NEA Partners 17, L.P. ("NEA Partners 17"). NEA Partners 17 is the sole general partner of New Enterprise Associates 17, L.P. ("NEA 17"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership, within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities held by NEA 17 in which the Reporting Person has no pecuniary interest.

Content

Each share of Series A-2 convertible preferred stock, Series B convertible preferred stock and Series C convertible preferred stock (collectively, the "Preferred Stock") is convertible into shares of the Issuer's Common Stock on a 3.5305-for-one basis. Upon the closing of the Issuer's initial public offering, all shares of Preferred Stock will convert into the number of shares of Common Stock of the Issuer shown in column 3. The Preferred Stock has no expiration date.

The Reporting Person is a manager of NEA 17 GP, LLC ("NEA 17 GP"), which is the sole general partner of NEA Partners 17, L.P. ("NEA Partners 17"). NEA Partners 17 is the sole general partner of New Enterprise Associates 17, L.P. ("NEA 17"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership, within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities held by NEA 17 in which the Reporting Person has no pecuniary interest.