-----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, T+KI3kBim43DKFdmNY4bmETZb9qTUjvOPxZFBY9Xy2ULsM9nTm9Am24D1G64nV8X WIcw7VdbjWn5li2y3UZvUw== 0000912462-99-000085.txt : 19990209 0000912462-99-000085.hdr.sgml : 19990209 ACCESSION NUMBER: 0000912462-99-000085 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19990208 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: 3DX TECHNOLOGIES INC CENTRAL INDEX KEY: 0000915518 STANDARD INDUSTRIAL CLASSIFICATION: CRUDE PETROLEUM & NATURAL GAS [1311] IRS NUMBER: 760386601 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: SEC FILE NUMBER: 005-49753 FILM NUMBER: 99524142 BUSINESS ADDRESS: STREET 1: 12012 WICKCHESTER STREET 2: SUITE 250 CITY: HOUSTON STATE: TX ZIP: 77079 BUSINESS PHONE: 2815793398 MAIL ADDRESS: STREET 1: 12012 WICKCHESTER STREET 2: SUITE 250 CITY: HOUSTON STATE: TX ZIP: 77079 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: NATIONSBANK CORP/FA CENTRAL INDEX KEY: 0000912462 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] STATE OF INCORPORATION: NC FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: NATIONSBANK PLAZA CITY: CHARLOTTE STATE: NC ZIP: 28255 BUSINESS PHONE: 4046073731 SC 13G/A 1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ________________ 240.13d-102 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO (S)240.13D-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO (S)240.13D-2 (Amendment No. 1 )* ----- 3DX Technologies, Inc. ------------------------------------------- (Name of Issuer) Common Stock ------------------------------------------- (Title of Class of Securities) 88554G109 ------------------ (CUSIP Number) December 31, 1998 (See Note to Item 2) -------------------------------------------------------- - --- 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). - ------------------------ CUSIP NO. 88554G109 13G - ------------------------ - ------------------------------------------------------------------ - ------------- NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON BankAmerica Corporation - ------------------------------------------------------------------ - ------------- CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------ - ------------- SEC USE ONLY 3 - ------------------------------------------------------------------ - ------------- CITIZENSHIP OR PLACE OF ORGANIZATION 4 Delaware - ------------------------------------------------------------------ - ------------- SOLE VOTING POWER 5 NUMBER OF -0- SHARES ----------------------------------------------- - ------------ SHARED VOTING POWER BENEFICIALLY 6 721,903 OWNED BY ----------------------------------------------- - ------------ EACH SOLE DISPOSITIVE POWER 7 REPORTING -0- PERSON ----------------------------------------------- - ------------ SHARED DISPOSITIVE POWER WITH 8 721,903 - ------------------------------------------------------------------ - ------------- AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 721,903 - ------------------------------------------------------------------ - ------------- CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------ - ------------- PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 7.89% - ------------------------------------------------------------------ - ------------- TYPE OF REPORTING PERSON* 12 HC - ------------------------------------------------------------------ - ------------- *SEE INSTRUCTION BEFORE FILLING OUT! Page 2 - ------------------------ CUSIP NO. 88554G109 13G - ------------------------ - ------------------------------------------------------------------ - ------------- NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Robertson Stephens Investment Management Co. - ------------------------------------------------------------------ - ------------- CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------ - ------------- SEC USE ONLY 3 - ------------------------------------------------------------------ - ------------- CITIZENSHIP OR PLACE OF ORGANIZATION 4 California - ------------------------------------------------------------------ - ------------- SOLE VOTING POWER 5 NUMBER OF -0- SHARES ----------------------------------------------- - ------------ SHARED VOTING POWER BENEFICIALLY 6 OWNED BY -0- ----------------------------------------------- - ------------ EACH SOLE DISPOSITIVE POWER 7 REPORTING -0- PERSON ----------------------------------------------- - ------------ SHARED DISPOSITIVE POWER WITH 8 -0- - ------------------------------------------------------------------ - ------------- AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 -0- - ------------------------------------------------------------------ - ------------- CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------ - ------------- PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 0% - ------------------------------------------------------------------ - ------------- TYPE OF REPORTING PERSON* 12 HC - ------------------------------------------------------------------ - ------------- *SEE INSTRUCTION BEFORE FILLING OUT! Page 3 - ------------------------ CUSIP NO. 88554G109 13G - ------------------------ - ------------------------------------------------------------------ - ------------- NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Robertson, Stephens & Company Investment Management, L.P. - ------------------------------------------------------------------ - ------------- CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------ - ------------- SEC USE ONLY 3 - ------------------------------------------------------------------ - ------------- CITIZENSHIP OR PLACE OF ORGANIZATION 4 California - ------------------------------------------------------------------ - ------------- SOLE VOTING POWER 5 NUMBER OF -0- SHARES ----------------------------------------------- - ------------ SHARED VOTING POWER BENEFICIALLY 6 -0- OWNED BY ----------------------------------------------- - ------------ EACH SOLE DISPOSITIVE POWER 7 REPORTING -0- PERSON ----------------------------------------------- - ------------ SHARED DISPOSITIVE POWER WITH 8 -0- - ------------------------------------------------------------------ - ------------- AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 -0- - ------------------------------------------------------------------ - ------------- CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------ - ------------- PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 0% - ------------------------------------------------------------------ - ------------- TYPE OF REPORTING PERSON* 12 IA - ------------------------------------------------------------------ - ------------- *SEE INSTRUCTION BEFORE FILLING OUT! Page 4 - ------------------------ CUSIP NO. 88554G109 13G - ------------------------ - ------------------------------------------------------------------ - ------------- NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON NB Holdings Corporation ----------------------------------------------------------------- - -------------- CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------ - ------------- SEC USE ONLY 3 - ------------------------------------------------------------------ - ------------- CITIZENSHIP OR PLACE OF ORGANIZATION 4 North Carolina - ------------------------------------------------------------------ - ------------- SOLE VOTING POWER 5 NUMBER OF -0- SHARES ----------------------------------------------- - ------------ SHARED VOTING POWER BENEFICIALLY 6 721,903 OWNED BY ----------------------------------------------- - ------------ EACH SOLE DISPOSITIVE POWER 7 REPORTING -0- PERSON ----------------------------------------------- - ------------ SHARED DISPOSITIVE POWER WITH 8 721,903 - ------------------------------------------------------------------ - ------------- AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 721,903 - ------------------------------------------------------------------ - ------------- CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------ - ------------- PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 7.89% - ------------------------------------------------------------------ - ------------- TYPE OF REPORTING PERSON* 12 HC - ------------------------------------------------------------------ - ------------- *SEE INSTRUCTION BEFORE FILLING OUT! Page 5 - ------------------------ CUSIP NO. 88554G109 13G - ------------------------ - ------------------------------------------------------------------ - ------------- NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON NatinsBank NA ----------------------------------------------------------------- - -------------- CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------ - ------------- SEC USE ONLY 3 - ------------------------------------------------------------------ - ------------- CITIZENSHIP OR PLACE OF ORGANIZATION 4 US National Bank - ------------------------------------------------------------------ - ------------- SOLE VOTING POWER 5 NUMBER OF -0- SHARES ----------------------------------------------- - ------------ SHARED VOTING POWER BENEFICIALLY 6 721,903 OWNED BY ----------------------------------------------- - ------------ EACH SOLE DISPOSITIVE POWER 7 REPORTING -0- PERSON ----------------------------------------------- - ------------ SHARED DISPOSITIVE POWER WITH 8 721,903 - ------------------------------------------------------------------ - ------------- AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 721,903 - ------------------------------------------------------------------ - ------------- CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------ - ------------- PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 7.89% - ------------------------------------------------------------------ - ------------- TYPE OF REPORTING PERSON* 12 BK - ------------------------------------------------------------------ - ------------- *SEE INSTRUCTION BEFORE FILLING OUT! Page 6 - ------------------------ CUSIP NO. 88554G109 13G - ------------------------ - ------------------------------------------------------------------ - ------------- NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON NationsBanc Capital Corporation ----------------------------------------------------------------- - -------------- CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------ - ------------- SEC USE ONLY 3 - ------------------------------------------------------------------ - ------------- CITIZENSHIP OR PLACE OF ORGANIZATION 4 North Carolina - ------------------------------------------------------------------ - ------------- SOLE VOTING POWER 5 NUMBER OF 721,903 SHARES ----------------------------------------------- - ------------ SHARED VOTING POWER BENEFICIALLY 6 -0- OWNED BY ----------------------------------------------- - ------------ EACH SOLE DISPOSITIVE POWER 7 REPORTING 721,903 PERSON ----------------------------------------------- - ------------ SHARED DISPOSITIVE POWER WITH 8 -0- - ------------------------------------------------------------------ - ------------- AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 721,903 - ------------------------------------------------------------------ - ------------- CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------ - ------------- PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 7.89% - ------------------------------------------------------------------ - ------------- TYPE OF REPORTING PERSON* 12 CO - ------------------------------------------------------------------ - ------------- *SEE INSTRUCTION BEFORE FILLING OUT! Page 7 Item 1 (a) Name of Issuer: 3DX Technologies, Inc. (b) Address of Issuer's 12012 Wickchester, Suite 250 Principal Executive Houston, TX 77079-1208 Offices: Item 2 (a) Names of Person Filing: (See Annex I for abbreviations) BAC Robertson Parent Investment Adviser NB Holdings Corporation NationsBank NA NationsBanc Capital Corporation (b) Address of Principal Business Offices: See Annex I (c) Citizenship: See Annex I (d) Title of Class of Common Stock Securities: (e) CUSIP Number: 88554G109 Item 3 If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b) or (c), check whether the person filing is a: (a) [_] Broker or Dealer registered under Section 15 of the Act (15 U.S.C. 78o) (b) [x] 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 (15 U.S.C. 80a-8) (e) [x] An investment adviser in accordance with (S)240.13d- 1(b)(1)(ii)(E) (f) [_] An employee benefit plan or endowment fund in accordance with (S)240.13d-1(b)(1)(ii)(F) (g) [x] A parent holding company or control person in accordance with (S)240.13d-1(b)(ii)(G) (h) [_] A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813) Page 8 (i) [_] A 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 (S)240.13d- 1(b)(1)(ii)(J) If this statement is filed pursuant to (S)240.13d-1(c), check this box. [X] Item 4 **Ownership With respect to the beneficial ownership of the reporting entity as of 12-31-98, see Items 5 through 11, inclusive, of the respective cover pages of this Schedule 13G applicable to such entity which are incorporated herein by reference. ___________ ** By virtue of the corporate relationships between Reporting Persons as described in Item 7, BAC (the parent company) may be deemed to possess indirect beneficial ownership of shares beneficially owned directly by its subsidiaries. Similarly, higher tier BAC subsidiaries may be deemed to possess indirect beneficial ownership of shares beneficially owned directly by lower tier BAC subsidiaries. The power to vote and to dispose of shares may be deemed to be shared between entities due to their corporate relationships. 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***]. _______________ ***As to Robertson Stephens Investment Management Co. and Robertson Stephens & Company, these entities no longer hold positions in this asset. For these entities only, this filing represents a closing of their position previously reported. Item 6 Ownership of More than Five Percent on Behalf of Another Person. Not Applicable. Item 7 Identification and Classification of the Subsidiaries Which Acquired the Security Being Reported on by the Parent Holding Company. See Annex I. Page 9 Item 8 Identification and Classification of Members of the Group. Not Applicable. Item 9 Notice of Dissolution of Group. Not Applicable. Item 10 Certification. [x] By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and 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. (13d-1(b)). [_] 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. (13d-1(c)). Page 10 After reasonable inquiry and to the best of my knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct. Dated: February 8, 1999 BANKAMERICA CORPORATION* ROBERTSON STEPHENS INVESTMENT MANAGEMENT CO.* ROBERTSON, STEPHENS & COMPANY INVESTMENT MANAGEMENT, L.P.* NB HOLDINGS CORPORATION NATIONSBANK NA NATIONSBANC CAPITAL CORPORATION *By: /s/ Satish Pattegar Senior Vice President Corporate Compliance BankAmerica Corporation Page 11 EXHIBIT A --------- JOINT FILING AGREEMENT ---------------------- The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(f)(1). Each of them is responsible for the timely filing of such Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate. Date: February 8, 1999 BANKAMERICA CORPORATION* ROBERTSON STEPHENS INVESTMENT MANAGEMENT CO.* ROBERTSON, STEPHENS & COMPANY INVESTMENT MANAGEMENT, L.P.* NB HOLDINGS CORPORATION NATIONSBANK NA NATIONSBANC CAPITAL CORPORATION *By: /s/ Satish Pattegar Senior Vice President Corporate Compliance BankAmerica Corporation Page 12 Annex I This Annex identifies certain entities which may be filing parties of the attached Schedule or which may be referred to in the filing. Registered Investment Companies Each of the following entities is a series of Robertson Stephens Investment Trust, a Massachusetts business trust. The investment adviser for each of such entities is Robertson, Stephens & Company Investment Management, L.P. Each is an investment company registered under the Investment Company Act of 1940, with principal office and principal place of business at 555 California Street, Suite 2600, San Francisco, CA 94104: The Contrarian Fund ("Contrarian") The Robertson Stephens Developing Countries Fund ("Developing Countries") The Robertson Stephens Diversified Growth Fund ("Diversified Growth") The Robertson Stephens Emerging Growth Fund ("Emerging Growth") The Robertson Stephens Growth & Income Fund ("Growth & Income") The Information Age Fund(TM) ("Information Age") The Robertson Stephens Global Natural Resources Fund ("Natural "Resources") The Robertson Stephens Global Value Fund ("Global Value") The Robertson Stephens MicroCap Growth Fund ("Micro-Cap Growth") The Robertson Stephens Partners Fund ("Partners") The Robertson Stephens Value + Growth Fund ("Value + Growth") Other Entities The principal office and principal place of business of the following entity is 100 N. Tryon Street, Charlotte, NC. 28255: (a) BankAmerica Corporation ("BAC") Bank is a Delaware corporation. It wholly owns Robertson Parent. (b) registered bank holding company The principal office and principal place of business of the following entities is 555 California Street, Suite 2600, San Francisco, CA 94104: II. (a) Bank of America National Trust and Savings Association ("BANTSA") is a national banking association organized under the laws of the United States. (b) national bank III. (a) Bayview Holdings, Inc. ("Bayview Holdings") is a Delaware corporation. Bayview Holdings a wholly owned subsidiary of Robertson Parent. It is managing member of Private Equity Group. (b) holding company Page 1 IV. (a) Bayview Investors, Ltd. ("Bayview") is a California limited partnership. (b) investments in securities V. (a) The Robertson Stephens Orphan Fund, L.P. ("Orphan") is a California limited partnership. Investment Adviser is the general partner. (b) investments in securities VI. (a) The Robertson Stephens Orphan Offshore Fund, L.P. ("Orphan Offshore") is a Cayman Islands limited partnership. Investment Adviser is the investment adviser. (b) investment in securities VII. (a) Robertson Stephens Investment Management Co. ("Robertson Parent") is a Delaware corporation. It is wholly owned by Bank. It owns Bayview Holdings. (b) holding company VIII. (a) Robertson, Stephens & Company Investment Management, L.P. ("Investment Adviser") is a California limited partnership. It is investment adviser to the Registered Investment Companies and Orphan Offshore and General partner of Orphan and Emerging Growth Partners. (b) registered investment advisor IX. (a) Robertson, Stephens & Company Private Equity Group, L.L.C. ("Private Equity Group") is a Delaware limited liability company. It is general partner of Bayview and Bayview VI. Bayview Holdings is managing member of Private Equity Group. (b) holding company X. (a) Bayview Investors, Ltd. ("Bayview") is a California limited partnership. (b) investments in securities Page 2 XI. (a) Bayview Investors VI, L.P. ("Bayview VI") is a California limited partnership. It is general partner of Emerging Growth Partners, L.P. ("Emerging Growth Partners"). Private Equity Group is its general partner. (b) investments in securities XII. (a) Robertson Stephens Emerging Growth Partners, L.P. is a California limited partnership. Bayview VI and Investment Adviser are its general partners. (b) investments in securities Page 3 -----END PRIVACY-ENHANCED MESSAGE-----