Document

 
 
 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
____________________
Schedule 13G/A

Under the Securities Exchange Act of 1934
(Amendment 2)

____________________

 Sector 10, Inc.
(Name of Issuer)
 
____________________

Common Stock
(Title of Class of Securities)
81371J307
(CUSIP Number)
December 29, 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:
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).

 
 










SCHEDULE 13G/A
 
CUSIP No.
81371J307
1.
 
Name of reporting person
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (entities only)

Virtu Americas LLC 26-4219373
2.
 
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(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
23,106
 
6.
 
Shared voting power
 
    Not applicable
 
7.
 
Sole dispositive power
23,106
 
8.
 
Shared dispositive power
 
    Not applicable
9.
 
Aggregate amount beneficially owned by each reporting person
23,106
10.
 
Check box if the aggregate amount in Row (9) excludes certain shares* ¨
 
11.
 
Percent of class represented by amount in Row 9


 
 
7.56%
based on outstanding shares as reported on the issuer's 10-Q filed with the SEC for the period ended December 31, 2017.
12.
 
Type of reporting person*
 
    BD



 
 
 
 
 
 
 
 
 
 
 
ITEM 1
(a).
 
Name of Issuer
 
 
 
 
 
 
 
 
 
 
 
 
 
Sector 10, Inc.
 
 
 
 
 
 
 
 
 
 
ITEM 1
(b).
 
Address of Issuer’s Principal Executive Offices
 
 
 
 
 
 
 
 
 
 
 
 
 
222 South Main Street, 5th Floor, Salt Lake City, UT 84101
 
 
 
 
 
 
 
 
 
 
ITEM 2
(a).
 
Names of Persons Filing
 
 
 
 
 
 
 
 
 
 
 
 
 
Virtu Americas LLC
 
 
 
 
 
 
 
 
 
 
ITEM 2
(b).
 
Address of principal business office
 
 
 
 
 
 
 
 
 
 
 
 
 
300 Vesey Street, New York, NY 10282
 
 
 
 
 
 
 
 
 
 
ITEM 2
(c).
 
Citizenship
 
 
 
 
 
 
 
 
 
 
 
 
 
Delaware
 
 
 
 
 
 
 
 
 
 
ITEM 2
(d).
 
Title of Class of Securities
 
 
 
 
 
 
 
 
 
 
 
 
 
Common Stock
 
 
 
 
 
 
 
 
 
 
ITEM 2
(e).
 
CUSIP Number
 
 
 
 
 
 
 
 
 
 
 
 
 
81371J307
 
 
 
 
 
 
 
ITEM 3.
           If this statement is filed pursuant to Rules 13d-1(b), or 13(d)-2(b), check whether the person filing it is a:
 
 
 
 
 
 
 
 
(a)
 
x
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).




























 
 
 
 
 
 
 
 
ITEM 4.
Ownership
 
 
 
 
 
 
 
 
 
(a)
Amount beneficially owned
 
 
 
 
 
 
 
 
 
 
 
23,106
 
 
 
 
 
 
 
 
 
(b)
Percent of class
 
 
 
 
 
 
 
 
 
 
 
7.56 %
 
 
 
 
 
 
 
 
 
(c)
Number of shares as to which such person has:
 
 
 
 
 
 
 
 
 
 
 
 
(i)
sole power to vote or to direct the vote
 
 
 
 
 
 
 
 
 
 
 
 
 
23,106
 
 
 
 
 
 
 
 
 
 
 
 
(ii)
shared power to vote or to direct the vote
 
 
 
 
 
 
 
 
 
 
 
 
 
Not applicable
 
 
 
 
 
 
 
 
 
 
 
 
(iii)
sole power to dispose or to direct the disposition of
 
 
 
 
 
 
 
 
 
 
 
 
 
23,106
 
 
 
 
 
 
 
 
 
 
 
 
(iv)
shared power to dispose or to direct the disposition of
 
 
 
 
 
 
 
 
 
 
 
 
 
Not applicable
 
 
 
 
 
 
 
ITEM 5.
Ownership of Five Percent or Less of a Class
 
 
 
 
 
Not applicable
 
 
 
 
 
 
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
 
 
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 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.
 
 
 
 
 
 
 
 
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.
 
 
 
 


Date: February 7, 2018
 
 
 
 
Virtu Americas LLC
 
 
By:
 
/s/ Christy Oeth
 
 
Christy Oeth
 
 
Chief Compliance Officer