<SEC-DOCUMENT>0001457716-18-000073-index.html : 20180209 <SEC-HEADER>0001457716-18-000073.hdr.sgml : 20180209 <ACCEPTANCE-DATETIME>20180209154225 ACCESSION NUMBER: 0001457716-18-000073 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20180209 DATE AS OF CHANGE: 20180209 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: SPIRE Corp CENTRAL INDEX KEY: 0000731657 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 042457335 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-36679 FILM NUMBER: 18591484 BUSINESS ADDRESS: STREET 1: ONE PATRIOTS PARK CITY: BEDFORD STATE: MA ZIP: 01730-2396 BUSINESS PHONE: 6172756000 MAIL ADDRESS: STREET 1: ONE PATRIOTS PARK CITY: BEDFORD STATE: MA ZIP: 01730-2396 FORMER COMPANY: FORMER CONFORMED NAME: SPIRE CORP DATE OF NAME CHANGE: 19920703 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: VIRTU AMERICAS LLC CENTRAL INDEX KEY: 0001457716 IRS NUMBER: 264219373 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 300 VESEY STREET CITY: NEW YORK STATE: NY ZIP: 10282 BUSINESS PHONE: 6466826436 MAIL ADDRESS: STREET 1: 300 VESEY ST. CITY: NEW YORK STATE: NY ZIP: 10282 FORMER COMPANY: FORMER CONFORMED NAME: KCG AMERICAS LLC DATE OF NAME CHANGE: 20170721 FORMER COMPANY: FORMER CONFORMED NAME: VIRTU AMERICAS LLC DATE OF NAME CHANGE: 20170713 FORMER COMPANY: FORMER CONFORMED NAME: KCG AMERICAS LLC DATE OF NAME CHANGE: 20140103 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G <SEQUENCE>1 <FILENAME>kcg13g.htm <DESCRIPTION>SC 13G SPIR <TEXT> Document 1 - file: kcg13g.htm
</DOCUMENT> </SEC-DOCUMENT>