SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549

______________

SCHEDULE 13G
Under the Securities Exchange Act of 1934




Cue Biopharma, Inc.
(Name of Issuer)

Common Stock, $0.001 par value per share
(Title of Class of Securities)

22978P 106
(CUSIP Number)

December 27, 2017
(Date of Event Which Requires Filing of this Statement)


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

 
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 (“Exchange Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act.

(Continued on following pages)


CUSIP No. 22978P 106
1
NAME OF REPORTING PERSONS
Peter A. Appel
 
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ☐
(b) ☐
3
SEC USE ONLY
 
4
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
 
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
SOLE VOTING POWER
1,522,222
 
6
SHARED VOTING POWER
0
 
7
SOLE DISPOSITIVE POWER
1,522,222
 
8
SHARED DISPOSITIVE POWER
0
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,522,222
 
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
 
 
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
7.6%
 
12
TYPE OF REPORTING PERSON
IN
 



Item 1(a).
Name of Issuer:
   
 
Cue Biopharma, Inc.
   
Item 1(b).
Address of Issuer’s Principal Executive Offices:
   
 
675 W. Kendall St.
 
Cambridge, MA 02142
   
Item 2(a).
Name of Person Filing:
 
 
Peter A. Appel
   
Item 2(b).
Address of Principal Business Office or, if None, Residence:
   
 
3505 Main Lodge Drive
 
Coconut Grove, FL 33133
   
Item 2(c).
Citizenship:
   
 
United States of America
   
Item 2(d).
Title of Class of Securities:
   
 
Common Stock, $0.001 par value
   
Item 2(e).
CUSIP Number:
   
 
22978P 106
   
Item 3.
Not applicable.
   
Item 4.
Ownership.

 
(a)
Amount beneficially owned: 1,522,222
       
 
(b)
Percent of class: 7.6%
       
 
(c)
Number of shares as to which the person has:
       
   
(i)
Sole power to direct the vote: 1,522,222
       
   
(ii)
Shared power to direct the vote: 0
       
   
(iii)
Sole power to dispose or to direct the disposition of: 1,522,222
       
   
(iv)
Shared power to dispose or to direct the disposition of: 0

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 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.
Certifications.
   
 
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.



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.

Dated:  February 12, 2018


 
   /s/ Peter A. Appel
 
Name:  Peter A. Appel





















[Signature page to Schedule 13G]