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*
Hofmeister Robert

(Last) (First) (Middle)
TCR2 THERAPEUTICS INC.
100 BINNEY STREET

(Street)
CAMBRIDGE MA 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)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Scientific Officer
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 24,137(1) D
Common Stock 14,713 D
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
Stock Option (Right to Buy) (2) 12/12/2026 Common Stock 35,732 0.74 D
Stock Option (Right to Buy) (3) 12/06/2027 Common Stock 42,346 0.74 D
Stock Option (Right to Buy) (4) 07/25/2028 Common Stock 90,720 5.88 D
Explanation of Responses:
1. The shares are subject to a Stock Restriction Agreement dated October 1, 2015. 25% of the shares vested on the first anniversary of the vesting start date of October 1, 2016, with the remainder vesting in 12 equal quarterly installments thereafter.
2. The Reporting Person was granted an option to purchase 50,445 shares on December 13, 2016. 14,713 of such options were previously exercised. 25% of this option vested and became exercisable on December 13, 2017, with the remainder vesting in thirty-six (36) equal monthly installments thereafter.
3. 25% of this option vested and became exercisable on December 6, 2018, with the remainder vesting in thirty-six (36) equal monthly installments thereafter.
4. 25% of this option shall vest and become exercisable on July 26, 2019, with the remainder vesting in thirty-six (36) equal monthly installments thereafter.
Remarks:
Exhibit 24.1: Power of Attorney
/s/ Robert Hofmeister 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.
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                                   Power of Attorney

   Know all by these presents, that the undersigned hereby constitutes and
appoints each of Margaret Siegel and Stephen Turkowiak, signing singly, and with
full power of substitution, as the undersigned's true and lawful attorney-in-
fact to:

        (1) execute for and on behalf of the undersigned, in the undersigned's
        capacity as an officer and/or director of TCR2 Therapeutics Inc., a
        Delaware corporation (the "Company"), from time to time the following
        Securities and Exchange Commission (the "SEC") forms: Forms 3, 4, and 5
        in accordance with Section 16(a) of the Securities Exchange Act of 1934,
        as amended (the "Exchange Act"), and the rules thereunder;

        (2) do and perform any and all acts for and on behalf of the undersigned
        which may be necessary or desirable to complete and execute any such
        Form 3, 4, or 5, complete and execute any amendment or amendments
        thereto, and timely file such form with the SEC and any stock exchange
        or similar authority; and

        (3) take any other action of any type whatsoever in connection with the
        foregoing which, in the opinion of such attorney-in-fact, may be of
        benefit to, in the best interest of, or legally required by, the
        undersigned, it being understood that the documents executed by such
        attorney-in-fact on behalf of the undersigned pursuant to this Power of
        Attorney shall be in such form and shall contain such terms and
        conditions as such attorney-in-fact may approve in such attorney-in-
        fact's discretion.

   The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, is not assuming, nor
is the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Exchange Act.

   This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact. This Power of Attorney shall expire as to any
individual attorney-in-fact if such attorney-in-fact ceases to be an officer of
the Company. This Power of Attorney may be filed with the SEC as a confirming
statement of the authority granted herein.

   IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 13th day of February, 2019.

      /s/ Robert Hofmeister
      ---------------------

Printed Name: Robert Hofmeister