Check the appropriate box to designate the rule
pursuant to which this Schedule is filed:
*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. 30315R 107
|
Page 2 of 8 Pages
|
1.
|
Name of Reporting Persons
Atlas Venture Opportunity Fund I, L.P.
|
2.
|
Check the Appropriate Box if a Member of a Group (See Instructions)
(a) ☐
(b) ☒
(1)
|
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
599,524(1)
|
7.
|
Sole Dispositive Power
0
|
8.
|
Shared Dispositive Power
599,524(1)
|
9.
|
Aggregate Amount Beneficially Owned by Each Reporting
Person
599,524(1)
|
10.
|
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ☐
|
11.
|
Percent of Class Represented by Amount in Row
(9)
2.9%(2)
|
12.
|
Type of Reporting Person (See Instructions)
PN
|
|
|
|
|
(1) As described in Item 5 below,
Atlas Venture Opportunity Fund I, L.P, a Delaware limited partnership (“AVOF”), Atlas Venture Associates Opportunity I, L.P.,
a Delaware limited partnership (“AVAO I LP”) and Atlas Venture Associates Opportunity I, LLC, a Delaware limited liability
company (“AVAO I LLC” and together with AVOF and AVAO I LP, the “Reporting Persons”) beneficially own 599,524
shares of the Issuer’s Common Stock. All of these shares are held by AVOF. AVAO I LP is the general partner of AVOF and AVAO I
LLC is the general partner of AVAO I LP. Each of AVAO I LP and AVAO I LLC has voting and dispositive power over the shares held by AVOF.
As such, each of the Reporting Persons share voting and dispositive power with respect to the shares held by AVOF.
(2) This percentage is calculated
based upon 20,624,494 outstanding shares of Common Stock of the Issuer as of November 8, 2021, as reported in the Issuer’s quarterly
report on Form 10-Q for the quarter ended September 30, 2021 and filed with the Securities and Exchange Commission on November 10, 2021.
CUSIP No. 30315R 107
|
Page 3 of 8 Pages
|
1.
|
Name of Reporting Persons
Atlas Venture Associates Opportunity I, L.P.
|
2.
|
Check the Appropriate Box if a Member of a Group (See Instructions)
(a) ☐
(b) ☒
(1)
|
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
599,524(1)
|
7.
|
Sole Dispositive Power
0
|
8.
|
Shared Dispositive Power
599,524(1)
|
9.
|
Aggregate Amount Beneficially Owned by Each Reporting
Person
599,524(1)
|
10.
|
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ☐
|
11.
|
Percent of Class Represented by Amount in Row
(9)
2.9%(2)
|
12.
|
Type of Reporting Person (See Instructions)
PN
|
|
|
|
|
(1) As described in Item 5 below,
Atlas Venture Opportunity Fund I, L.P, a Delaware limited partnership (“AVOF”), Atlas Venture Associates Opportunity I, L.P.,
a Delaware limited partnership (“AVAO I LP”) and Atlas Venture Associates Opportunity I, LLC, a Delaware limited liability
company (“AVAO I LLC” and together with AVOF and AVAO I LP, the “Reporting Persons”) beneficially own 599,524
shares of the Issuer’s Common Stock. All of these shares are held by AVOF. AVAO I LP is the general partner of AVOF and AVAO I
LLC is the general partner of AVAO I LP. Each of AVAO I LP and AVAO I LLC has voting and dispositive power over the shares held by AVOF.
As such, each of the Reporting Persons share voting and dispositive power with respect to the shares held by AVOF.
(2) This percentage is calculated
based upon 20,624,494 outstanding shares of Common Stock of the Issuer as of November 8, 2021, as reported in the Issuer’s quarterly
report on Form 10-Q for the quarter ended September 30, 2021 and filed with the Securities and Exchange Commission on November 10, 2021.
CUSIP No. 30315R 107
|
Page 4 of 8 Pages
|
1.
|
Name of Reporting Persons
Atlas Venture Associates Opportunity I, LLC
|
2.
|
Check the Appropriate Box if a Member of a Group (See Instructions)
(a) ☐
(b) ☒
(1)
|
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
599,524(1)
|
7.
|
Sole Dispositive Power
0
|
8.
|
Shared Dispositive Power
599,524(1)
|
9.
|
Aggregate Amount Beneficially Owned by Each Reporting
Person
599,524(1)
|
10.
|
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ☐
|
11.
|
Percent of Class Represented by Amount in Row
(9)
2.9%(2)
|
12.
|
Type of Reporting Person (See Instructions)
OO
|
|
|
|
|
(1) As described in Item 5 below,
Atlas Venture Opportunity Fund I, L.P, a Delaware limited partnership (“AVOF”), Atlas Venture Associates Opportunity I, L.P.,
a Delaware limited partnership (“AVAO I LP”) and Atlas Venture Associates Opportunity I, LLC, a Delaware limited liability
company (“AVAO I LLC” and together with AVOF and AVAO I LP, the “Reporting Persons”) beneficially own 599,524
shares of the Issuer’s Common Stock. All of these shares are held by AVOF. AVAO I LP is the general partner of AVOF and AVAO I
LLC is the general partner of AVAO I LP. Each of AVAO I LP and AVAO I LLC has voting and dispositive power over the shares held by AVOF.
As such, each of the Reporting Persons share voting and dispositive power with respect to the shares held by AVOF.
(2) This percentage is calculated
based upon 20,624,494 outstanding shares of Common Stock of the Issuer as of November 8, 2021, as reported in the Issuer’s quarterly
report on Form 10-Q for the quarter ended September 30, 2021 and filed with the Securities and Exchange Commission on November 10, 2021.
CUSIP No. 30315R 107
|
Page 5 of 8 Pages
|
F-Star Therapeutics, Inc. (the “Issuer”)
Item 1(b)
|
Address of Issuer’s Principal Executive Offices
|
Eddeva B920 Baraham Research Campus
Cambridge, United Kingdom CB22 3AT
Item 2(a)
|
Name of Person Filing
|
This Schedule 13G is filed by (i) Atlas Venture Opportunity Fund I,
L.P, a Delaware limited partnership (“AVOF”), (ii) Atlas Venture Associates Opportunity I, L.P., a Delaware limited partnership
(“AVAO I LP”) and (iii) Atlas Venture Associates Opportunity I, LLC, a Delaware limited liability company (“AVAO I LLC”
and together with AVOF and AVAO I LP, the “Reporting Persons”).
Item 2(b)
|
Address of Principal Business Office or, if none, Residence
|
The address of the principal place of business of each of
the Reporting Persons is c/o 300 Technology Square, 8th Floor, Cambridge, Massachusetts 02139.
Each of AVOF and AVAO I LP is a Delaware limited partnership. AVAO
I LLC is a Delaware limited liability company.
Item 2(d)
|
Title of Class of Securities
|
Common Stock, $0.0001 par value
30315R 107
Item 3
Not applicable.
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 Row
9 of cover page for each Reporting Person
(b) Percent of class: See Row 11 of
cover page for each Reporting Person
(c) Number of shares as to which the
person has:
(i) Sole power to vote or to direct
the vote: See Row 5 of cover page for each Reporting Person.
(ii) Shared power to vote or to direct
the vote: See Row 6 of cover page for each Reporting Person.
(iii) Sole power to dispose or to direct
the disposition of: See Row 7 of cover page for each Reporting Person.
(iv) Shared power to dispose or to direct
the disposition of: See Row 8 of cover page for each Reporting Person.
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 person has ceased to be the beneficial owner of more than five percent of the
class of securities, check the following. ☒
Item 6
|
Ownership of More than Five Percent of Another Person
|
Not applicable.
CUSIP No. 30315R 107
|
Page 6 of 8 Pages
|
Item 7
|
Identification and Classification of the Subsidiary which
Acquired the Security Being Reported on by the Parent Holding Company
|
Not applicable.
Item 8
|
Identification and Classification of Members of the Group
|
The response to Item 2(a) is incorporated
herein by reference. The agreement among the Reporting Persons to file jointly in accordance with the provisions of Rule 13d-1(k)(1) under
the Securities Exchange Act of 1934, as amended, is attached hereto as Exhibit A.
Item 9
|
Notice of Dissolution of Group
|
Not applicable.
By signing below, I certify that, to
the best of my knowledge and belief, the securities referred to above 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.
CUSIP No. 30315R 107
|
Page 7 of 8 Pages
|
SIGNATURE
After reasonable inquiry and to the best of my
knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Pursuant to Rule 13d-1(k)(1)(iii) of Regulation
13D-G of the General Rules and Regulations of the Securities and Exchange Act of 1934, as amended, the undersigned agree that the attached
statement is filed on behalf of each of them.
Dated: February 11, 2022.
ATLAS VENTURE OPPORTUNITY FUND I, L.P.
By: Atlas Venture Associates Opportunity I, L.P.,
its general partner
By: Atlas Venture Associates Opportunity I, LLC,
its general partner
By: /s/ Ommer
Chohan
Name: Ommer Chohan
Title: Chief Financial Officer
ATLAS VENTURE ASSOCIATES OPPORTUNITY I, L.P.
By: Atlas Venture Associates Opportunity I, LLC,
its general partner
By: /s/ Ommer Chohan
Name: Ommer Chohan
Title: Chief Financial Officer
ATLAS VENTURE ASSOCIATES OPPORTUNITY I, LLC
By: /s/ Ommer
Chohan
Name: Ommer Chohan
Title: Chief Financial Officer
EXHIBITS
A- Joint Filing Statement
CUSIP No. 30315R 107
|
Page 8 of 8 Pages
|
Exhibit A
JOINT FILING AGREEMENT
The undersigned hereby agree that the foregoing
statement on Schedule 13G is filed on behalf of each of the undersigned, and any amendments thereto executed by the undersigned shall
be filed on behalf of each of the undersigned without the necessity of filing any additional joint filing agreement. The undersigned acknowledge
that each is responsible for the timely filing of such statement on Schedule 13G and any amendments thereto, and for the completeness
and accuracy of the information concerning it contained therein, but shall not be responsible for the completeness or accuracy of the
information concerning the others of the undersigned, except to the extent that it knows or has reason to believe that such information
is inaccurate or incomplete. This Joint Filing Agreement may be executed in any number of counterparts, all of which taken together shall
constitute one and the same instrument.
IN WITNESS WHEREOF, the undersigned have executed
this Joint Filing Agreement as of February 11, 2022.
ATLAS VENTURE OPPORTUNITY FUND I, L.P.
By: Atlas Venture Associates Opportunity I, L.P.,
its general partner
By: Atlas Venture Associates Opportunity I, LLC,
its general partner
By: /s/ Ommer
Chohan
Name: Ommer Chohan
Title: Chief Financial Officer
ATLAS VENTURE ASSOCIATES OPPORTUNITY I, L.P.
By: Atlas Venture Associates Opportunity I, LLC,
its general partner
By: /s/ Ommer
Chohan
Name: Ommer Chohan
Title: Chief Financial Officer
ATLAS VENTURE ASSOCIATES OPPORTUNITY I, LLC
By: /s/ Ommer
Chohan
Name: Ommer Chohan
Title: Chief Financial Officer