-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, VsOBpuvr7mSaPtoOJGkrEgCYXiRHgqddgXsk7maheEKhsPzPlKidhIdlu+S6VaRa 7TWpK9BiW4zYmqzHPw1GDQ== 0000950123-07-000310.txt : 20070111 0000950123-07-000310.hdr.sgml : 20070111 20070111122204 ACCESSION NUMBER: 0000950123-07-000310 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20070111 DATE AS OF CHANGE: 20070111 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ARBINET THEXCHANGE INC CENTRAL INDEX KEY: 0001136655 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-BUSINESS SERVICES, NEC [7389] IRS NUMBER: 133930916 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-80439 FILM NUMBER: 07525178 BUSINESS ADDRESS: STREET 1: 120 ALBANY STREET, TOWER II STREET 2: SUITE 450 CITY: NEW BRUNSWICK STATE: NJ ZIP: 08901 BUSINESS PHONE: 7325099100 MAIL ADDRESS: STREET 1: 120 ALBANY STREET, TOWER II STREET 2: SUITE 450 CITY: NEW BRUNSWICK STATE: NJ ZIP: 08901 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: SINGER KAREN CENTRAL INDEX KEY: 0001265181 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: BUSINESS PHONE: 201-568-8206 MAIL ADDRESS: STREET 1: 113 JACKSON DRIVE CITY: CRESSKILL STATE: NJ ZIP: 07626 SC 13G 1 y28845sc13g.txt SCHEDULE 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ---------------- SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b) (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. __)* Arbinet-Thexchange, Inc. - -------------------------------------------------------------------------------- (Name of Issuer) Common Stock - -------------------------------------------------------------------------------- (Title of Class of Securities) 03875P100 ------------------------ (CUSIP Number) January 3, 2007 ------------------------ (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) [X] Rule 13d-1(c) [ ] Rule 13d-1(d) Page 1 of 5 ------------------------ * 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 disclosures provided in a prior cover page. The information required on 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. 03875P100 13G Page 2 of 5 Pages --------------- ------------------------------------------------------------------------ 1. NAMES OF REPORTING PERSON. S.S OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Karen Singer ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ 5. SOLE VOTING POWER NUMBER OF 1,339,450 SHARES --------------------------------------------------------- BENEFICIALLY 6. SHARED VOTING POWER OWNED BY 0 EACH --------------------------------------------------------- REPORTING 7. SOLE DISPOSITIVE POWER PERSON 1,339,450 --------------------------------------------------------- 8. SHARED DISPOSITIVE POWER 0 ------------------------------------------------------------------------------ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,339,450 ------------------------------------------------------------------------------ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] ------------------------------------------------------------------------------ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.2% ------------------------------------------------------------------------------ 12. TYPE OF REPORTING PERSON IN ------------------------------------------------------------------------------ *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 3 of 5 Item 1(a). Name of Issuer: Arbinet-Thexchange, Inc. Item 1(b). Address of Issuers's Principal Executive Offices: 120 Albany Street, Tower II New Brunswick, New Jersey 08901 Item 2(a). Name of Person Filing: Karen Singer Item 2(b). Address of Principal Business Office or, if None, Residence: 212 Vaccaro Drive Cresskill, NJ 07626 Item 2(c). Citizenship: United States Item 2(d). Title of Class of Securities: Common Stock, $0.001 par value Item 2(e). CUSIP Number: 03875P100 Item 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b) OR 13d-2(b) or (c), CHECK WHETHER THE PERSON FILING IS A: Not Applicable, this statement is filed pursuant to 13d-1(c) Item 4. OWNERSHIP: The reporting person has sole dispositive and voting power with respect to 1,339,450 shares of the reported securities as the trustee of Singer Children's Management Trust. (a) 1,339,450 (b) 5.2% (c)(i) sole voting power: 1,339,450 (ii) shared voting power: 0 (iii) sole dispositive power: 1,339,450 (iv) shared dispositive power: 0 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. Page 4 of 5 Item 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP: Not Applicable. Item 9. NOTICE OF DISSOLUTION OF GROUP: Not Applicable. Page 5 of 5 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. 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: January 11, 2007 /s/ Karen Singer ---------------------- Karen Singer -----END PRIVACY-ENHANCED MESSAGE-----