UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

 

 

 

SCHEDULE 13G

 

Under the Securities Exchange Act of 1934

 

(Amendment No. 1)*

  

TRILLIUM THERAPEUTICS INC.

(Name of Issuer)

 

Common Stock, no par value

(Title of Class of Securities)

 

89620X506

(CUSIP Number)

  

___________November 15, 2021__________

(Date of Event Which Requires Filing of this Statement)

 

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

 

x   Rule 13d-1(b)

¨    Rule 13d-1(c)

¨    Rule 13d-1(d)

 

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

 

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 

 

  

 

 

 

CUSIP No. 89620X506

 

1

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

 

RA Capital Management, L.P.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

(a) ¨

(b) ¨

3

SEC USE ONLY

 

4

CITIZENSHIP OR PLACE OF ORGANIZATION

 

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

5

SOLE VOTING POWER

 

0

6

SHARED VOTING POWER

 

0

7

SOLE DISPOSITIVE POWER

 

0

8

SHARED DISPOSITIVE POWER

 

0

9

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

0

10

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ¨ 

11

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

 

0%

12

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

 

IA, PN

       

 

 

 

  

CUSIP No. 89620X506

 

1

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

 

Peter Kolchinsky

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

(a) ¨

(b) ¨

3

SEC USE ONLY

 

4

CITIZENSHIP OR PLACE OF ORGANIZATION

 

United States of America

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

5

SOLE VOTING POWER

 

0

6

SHARED VOTING POWER

 

0

7

SOLE DISPOSITIVE POWER

 

0

8

SHARED DISPOSITIVE POWER

 

0

9

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

0

10

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ¨

11

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

 

0%

12

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

 

HC, IN

       

 

 

 

 

  

CUSIP No. 89620X506

 

1

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

 

Rajeev Shah

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

(a) ¨

(b) ¨

3

SEC USE ONLY

 

4

CITIZENSHIP OR PLACE OF ORGANIZATION

 

United States of America

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

5

SOLE VOTING POWER

 

0

6

SHARED VOTING POWER

 

0

7

SOLE DISPOSITIVE POWER

 

0

8

SHARED DISPOSITIVE POWER

 

0

9

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

0

10

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ¨

11

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

 

0%

12

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

 

HC, IN

       

 

 

 

 

 

Item 1(a). Name of Issuer:

  

Trillium Therapeutics Inc. (the “Issuer”)

 

Item 1(b). Address of Issuer’s Principal Executive Offices:

 

2488 Dunwin Drive, Mississauga, Ontario L5L 1J9, Canada.

 

Item 2(a). Names of Persons Filing:

 

The names of the persons filing this report (collectively, the “Reporting Persons”) are: 

RA Capital Management, L.P. (“RA Capital”)

Peter Kolchinsky 

Rajeev Shah

  

Item 2(b). Address of Principal Business Office or, if None, Residence:

 

The address of the principal business office of each of the Reporting Persons is: 

c/o RA Capital Management, L.P., 200 Berkeley Street, 18th Floor, Boston MA 02116

 

Item 2(c). Citizenship:

 

RA Capital is a Delaware limited partnership. Dr. Kolchinsky and Mr. Shah are United States citizens.

  

Item 2(d). Title of Class of Securities:

 

Common stock, no par value (“Common Stock”)

 

Item 2(e). CUSIP Number:

 

89620X506

 

Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

 

(e) RA Capital Management, L.P. is a registered investment adviser and is filing this statement in accordance with §240.13d-1(b)(1)(ii)(E);

 

(g) Peter Kolchinsky and Rajeev Shah are control persons and are filing this statement in accordance with §240.13d-1(b)(1)(ii)(G).

  

 

 

  

Item 4. Ownership.

 

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

 

(a)

Amount Beneficially Owned:

See the response(s) to Item 9 on the attached cover page(s).

 

(b)

Percent of Class:

See the response(s) to Item 11 on the attached cover page(s).

   
(c)

Number of shares as to which such person has:

 

  (i)

sole power to vote or to direct the vote:

See the response(s) to Item 5 on the attached cover page(s).

     
  (ii)

shared power to vote or to direct the vote

See the response(s) to Item 6 on the attached cover page(s).

     
  (iii)

sole power to dispose or to direct the disposition of

See the response(s) to Item 7 on the attached cover page(s).

     
  (iv)

shared power to dispose or to direct the disposition of

See the response(s) to Item 8 on the attached cover page(s).

 

Item 5. Ownership of Five Percent or Less of a Class.

 

If this statement is being filed to report the fact that as of the date hereof the Reporting Persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following x

 

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

 

Not applicable.

 

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

 

Not applicable.

 

Item 8. Identification and Classification of Members of the Group.

 

Not applicable.

 

Item 9. Notice of Dissolution of Group.

 

Not applicable.

 

Item 10. Certification.

 

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

  

 

 

SIGNATURE

  

After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

 

Date:    November 15, 2021

  

RA CAPITAL MANAGEMENT, L.P.

 

By: /s/ Peter Kolchinsky  
Name: Peter Kolchinsky
Title: Authorized Signatory

  

PETER KOLCHINSKY

 

/s/ Peter Kolchinsky  

 

RAJEEV SHAH

 

/s/ Rajeev Shah  

 

 

 

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