-----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, G9jLQS0YbjbGgT1zizO3PMxBvUBzxnvdwaiQFbGOEKP669EMUVQbTeBPPLJcZDDo iYxMxNIsmHe9tvc7eBRGDw== 0001047469-07-007552.txt : 20071010 0001047469-07-007552.hdr.sgml : 20071010 20071010162117 ACCESSION NUMBER: 0001047469-07-007552 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20071010 DATE AS OF CHANGE: 20071010 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: NATUS MEDICAL INC CENTRAL INDEX KEY: 0000878526 STANDARD INDUSTRIAL CLASSIFICATION: ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845] IRS NUMBER: 770154833 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-77922 FILM NUMBER: 071165492 BUSINESS ADDRESS: STREET 1: 1501 INDUSTRIAL ROAD CITY: SAN CARLOS STATE: CA ZIP: 94070 BUSINESS PHONE: 6508020400 MAIL ADDRESS: STREET 1: 1501 INDUSTRIAL ROAD CITY: SAN CARLOS STATE: CA ZIP: 94070 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: CITIGROUP INC CENTRAL INDEX KEY: 0000831001 STANDARD INDUSTRIAL CLASSIFICATION: NATIONAL COMMERCIAL BANKS [6021] IRS NUMBER: 521568099 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 399 PARK AVENUE CITY: NEW YORK STATE: NY ZIP: 10043 BUSINESS PHONE: 2125591000 MAIL ADDRESS: STREET 1: 399 PARK AVENUE CITY: NEW YORK STATE: NY ZIP: 10043 FORMER COMPANY: FORMER CONFORMED NAME: TRAVELERS GROUP INC DATE OF NAME CHANGE: 19950519 FORMER COMPANY: FORMER CONFORMED NAME: TRAVELERS INC DATE OF NAME CHANGE: 19940103 FORMER COMPANY: FORMER CONFORMED NAME: PRIMERICA CORP /NEW/ DATE OF NAME CHANGE: 19920703 SC 13G/A 1 a2180084zsc13ga.txt SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 1)* Natus Medical Incorporated - -------------------------------------------------------------------------------- (Name of Issuer) Common Stock - -------------------------------------------------------------------------------- (Title of Class of Securities) 639050-10-3 -------------------------------------------------------- (CUSIP Number) September 30, 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) *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). Page 1 of 6 Pages SCHEDULE 13G CUSIP NO. 639050-10-3 Page 2 of 6 Pages - ------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Citigroup Inc. - ------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) / / (b) / / - ------------------------------------------------------------------------------- (3) SEC USE ONLY - ------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - ------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES ---------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 817,945 OWNED BY ---------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ---------------------------------------------------- PERSON (8) SHARED DISPOSITIVE POWER 817,945 WITH: - ------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 817,945 - ------------------------------------------------------------------------------- (10) CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) / / - ------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 3.8% - ------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) HC - ------------------------------------------------------------------------------- Item 1(a). Name of Issuer: Natus Medical Incorporated Item 1(b). Address of Issuer's Principal Executive Offices: 1501 Industrial Road San Carlos, CA 94070 Item 2(a).* Name of Person Filing: Citigroup Inc. ("Citigroup") * In accordance with Securities and Exchange Commission Release No. 34-39538 (January 12, 1998), this filing reflects securities beneficially owned by Citigroup, a holding company for a global financial services group, on behalf of itself and its subsidiaries, excluding the Old Lane Partners ("Old Lane") business. Old Lane, its executive officers and directors and its direct and indirect subsidiaries may beneficially own securities of the company, and such securities are not reported in this filing. Citigroup (other than Old Lane) disclaims beneficial ownership of securities beneficially owned by Old Lane, and Old Lane disclaims beneficial ownership of the securities reported herein. Item 2(b). Address of Principal Office or, if none, Residence: The address of the principal office of Citigroup is: 399 Park Avenue New York, NY 10043 Item 2(c). Citizenship or Place of Organization: Citigroup is a Delaware corporation. Item 2(d). Title of Class of Securities: Common Stock Item 2(e). CUSIP Number: 639050-10-3 Page 3 of 6 Pages Item 3. If This Statement Is Filed Pursuant to Sections 240.13d-1(b) or 240.13d-2(b) or (c), Check Whether the Person Filing Is a(n): (a) [ ] Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o); (b) [ ] Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c); (c) [ ] Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c); (d) [ ] Investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8); (e) [ ] Investment adviser in accordance with Section 240.13d-1(b)(1)(ii)(E); (f) [ ] Employee benefit plan or endowment fund in accordance with Section 240.13d-1(b)(1)(ii)(F); (g) [ ] Parent holding company or control person in accordance with Section 240.13d-1(b)(1)(ii)(G); (h) [ ] Savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] Church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3) (j) [ ] Group, in accordance with Section 240.13d-1(b)(1)(ii)(J). Item 4. Ownership. (as of September 30, 2007) (a) Amount beneficially owned: See item 9 of cover pages (b) Percent of class: See item 11 of cover pages (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote: (ii) Shared power to vote or to direct the vote: (iii) Sole power to dispose or to direct the disposition of: (iv) Shared power to dispose or to direct the disposition of: See Items 5-8 of cover pages Page 4 of 6 Pages 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 [X]. 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. See Exhibit 1 for the identity of the relevant subsidiaries which directly beneficially own the securities reported herein. Item 8. Identification and Classification of Members of the Group. Not Applicable. Item 9. Notice of Dissolution of Group. Not Applicable. Page 5 of 6 Pages 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: October 10, 2007 CITIGROUP INC. By: /s/ Riqueza V. Feaster -------------------------------------- Name: Riqueza V. Feaster Title: Assistant Secretary Page 6 of 6 Pages EXHIBIT INDEX TO SCHEDULE 13G -----------------------------
EXHIBIT 1 - --------- Identification of the subsidiaries which acquired the securities being reported by the parent holding company.
EX-99.1 2 a2180084zex-99_1.txt EX-99.1
EXHIBIT 1 --------- IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARIES WHICH ACQUIRED SECURITIES -------------------------------------------------------------------------------- Citigroup Global Markets Inc. is a broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o). Citigroup Alternative Investments LLC and Citigroup Private Equity (Offshore) LLC are chartered in Delaware and headquartered in New York, New York. The undersigned hereby affirms the identification of the subsidiaries which acquired the security holdings reported in this Schedule 13G. Date: October 10, 2007 CITIGROUP INC. By: /s/ Riqueza V. Feaster ------------------------------------- Name: Riqueza V. Feaster Title: Assistant Secretary
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