SEC FORM 3

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^*

Baeuerle Patrick

(Last)

(First)

(Middle)

TCR2 THERAPEUTICS INC.

100 BINNEY STREET

(Street)

CAMBRIDGE

02142

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/13/2019

3. Issuer Name and Ticker or Trading Symbol
TCR2 THERAPEUTICS INC. [ TCRR ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	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)

X	Form filed by One Reporting Person
	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)
Common Stock	244,878⁽¹⁾	I	By APAK Solutions GmbH⁽⁴⁾
Common Stock	53,452⁽²⁾	I	By APAK Solutions GmbH⁽⁴⁾
Common Stock	169,385⁽³⁾	I	By APAK Solutions GmbH⁽⁴⁾

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)

Explanation of Responses:

1. The shares are subject to a Stock Restriction Agreement dated June 1, 2015. The shares subject to the Stock Restriction Agreement shall vest in 48 equal monthly installments beginning on June 1, 2015.

2. The shares are subject to a Stock Restriction Agreement dated May 9, 2017. The shares subject to the Stock Restriction Agreement shall vest in 36 equal monthly installments beginning on December 13, 2016.

3. The shares are subject to a Stock Restriction Agreement dated December 15, 2017. 25% of the shares vested on the first anniversary of the vesting start date of December 6, 2016, with the remainder vesting in 36 equal quarterly installments thereafter.

4. The reported securities are owned directly by APAK Solutions GmbH. The Reporting Person is managing director of APAK Solutions GmbH. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein.

Remarks:

Exhibit 24.1: Power of Attorney

	/s/ Patrick Baeuerle	02/13/2019
	** 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).
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.