SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Pivotal bioVenture Partners Fund I, L.P. (Last) (First) (Middle) 501 SECOND STREET, SUITE 200 (Street) SAN FRANCISCO CA 94107 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 07/23/2020	3. Issuer Name and Ticker or Trading Symbol Inozyme Pharma, Inc. [ INZY ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series A-2 Convertible Preferred Stock	(1)	(1)	Common Stock	1,403,654	(1)	I	See footnote(2)

1. Name and Address of Reporting Person* Pivotal bioVenture Partners Fund I, L.P. (Last) (First) (Middle) 501 SECOND STREET, SUITE 200 (Street) SAN FRANCISCO CA 94107 (City) (State) (Zip)

1. Name and Address of Reporting Person* Pivotal bioVenture Partners Fund I G.P., L.P. (Last) (First) (Middle) 501 SECOND STREET, SUITE 200 (Street) SAN FRANCISCO CA 94107 (City) (State) (Zip)

1. Name and Address of Reporting Person* Pivotal bioVenture Partners Fund I U.G.P., Ltd (Last) (First) (Middle) 501 SECOND STREET, SUITE 200 (Street) LOS ANGELES CA 94107 (City) (State) (Zip)

Explanation of Responses:

1. The Series A-2 Convertible Preferred Stock is convertible into Common Stock on a 7.4730-for-1 basis into the number of shares of Common Stock as shown in Column 3 at any time at the holder's election, and automatically upon the closing of the Issuer's initial public offering without payment of further consideration. The shares have no expiration date.

2. The reportable securities are owned directly by Pivotal bioVenture Partners Fund I, L.P. ("Pivotal"). The general partner of Pivotal is Pivotal bioVenture Partners Fund I G.P., L.P. ("Pivotal GP"). The general partner of Pivotal GP is Pivotal bioVenture Partners Fund I U.G.P., Ltd (the "Ultimate General Partner"). Robert Hopfner, Vincent Cheung, Peter Bisgaard, and Heather Preston are the managing partners of Pivotal's investment advisor and may be deemed to have shared voting and dispositive power over the securities owned by Pivotal. Such persons disclaim beneficial ownership over such securities except to the extent of any pecuniary interest therein.

Remarks:

	/s/ Robert Hopfner - for Pivotal bioVenture Partners Fund I, L.P., as Managing Partner	07/23/2020
	/s/ Robert Hopfner - for Pivotal bioVenture Partners Fund I G.P., L.P., as Managing Partner	07/23/2020
	/s/ Robert Hopfner - for Pivotal bioVenture Partners Fund I U.G.P., Ltd, as Managing Partner	07/23/2020
	** 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 5 (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).
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