-----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, HdNgPHQvYUORlPqnJSE6t+j3Dn1O/kr59gPAX8G9fbnot7WC5wBvjjNr2BzJ0x1r K9Oqv+uambav0aFHay8txg== 0000950134-01-001150.txt : 20010214 0000950134-01-001150.hdr.sgml : 20010214 ACCESSION NUMBER: 0000950134-01-001150 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20010213 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: INTERNATIONAL ISOTOPES INC CENTRAL INDEX KEY: 0001038277 STANDARD INDUSTRIAL CLASSIFICATION: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835] IRS NUMBER: 742763837 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: SEC FILE NUMBER: 005-58005 FILM NUMBER: 1536212 BUSINESS ADDRESS: STREET 1: 1500 SPENCER RD CITY: DENTON STATE: TX ZIP: 76205 BUSINESS PHONE: 9404849492 MAIL ADDRESS: STREET 1: 1500 SPENCER RD CITY: DENTON STATE: TX ZIP: 76205 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: KING LUTHER CAPITAL MANAGEMENT CORP CENTRAL INDEX KEY: 0000310051 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 75163030 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 301 COMMERCE SUITE 1600 CITY: FORT WORTH STATE: TX ZIP: 76102 BUSINESS PHONE: 8173323235 MAIL ADDRESS: STREET 1: 301 COMMERCE SUITE 1600 CITY: FORT WORTH STATE: TX ZIP: 76102 SC 13G/A 1 d84129dsc13ga.txt AMENDMENT NO. 1 TO SCHEDULE 13G 1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities and Exchange Act of 1934 (Amendment No. 1) International Isotopes --------------------------------------------------------------------------- (Name of Issuer) Common Stock --------------------------------------------------------------------------- (Title of Class of Securities) 459720102 --------------------------------------------------------------------------- (CUSIP Number) Check the following box if a fee is being paid with this statement [ ]. - ----------- *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). 2 CUSIP No. 459720102 13G Page 2 of 4 Pages - ------------------------------------------------------------------------------------------------------------------------------------ 1. NAME OF REPORTING PERSON(S) S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON(S) Luther King Capital Management Corporation I.R.S. Identification No. 301 Commerce Street, Suite 1600 75-0163033 Fort Worth, TX 76102 - ------------------------------------------------------------------------------------------------------------------------------------ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* Shares are also owned in an account for the benefit of children of a Luther King (a) [ ] Capital Management employee and certain Luther King Capital Management employees. (b) [x] - ------------------------------------------------------------------------------------------------------------------------------------ 3. SEC USE ONLY - ------------------------------------------------------------------------------------------------------------------------------------ 4. CITIZENSHIP OR PLACE OF ORGANIZATION Fort Worth, Texas - ------------------------------------------------------------------------------------------------------------------------------------ NUMBER OF 5. SOLE VOTING POWER SHARES 225,000 Luther King Capital Management BENEFICIALLY 76,588 Luther King OWNED BY 21,871 Bryan King EACH 2,000 Mason King REPORTING ------------------------------------------------------------------------------------------------ PERSON 6. SHARED VOTING POWER WITH ------------------------------------------------------------------------------------------------ 7. SOLE DISPOSITIVE POWER 225,000 Luther King Capital Management 76,588 Luther King 21,871 Bryan King 2,000 Mason King ------------------------------------------------------------------------------------------------ 8. SHARED DISPOSITIVE POWER - ------------------------------------------------------------------------------------------------------------------------------------ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 325,459 - ------------------------------------------------------------------------------------------------------------------------------------ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - ------------------------------------------------------------------------------------------------------------------------------------ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 3.1% - ------------------------------------------------------------------------------------------------------------------------------------ 12. TYPE OF REPORTING PERSON* IA - ------------------------------------------------------------------------------------------------------------------------------------
3 CUSIP No. 459720102 13G Page 3 of 4 Pages - ------------------------------------------------------------------------------------------------------------------------------------ Item 1. (a) Name of Issuer: International Isotopes ------------------------------------------------------------------------------------------------------------------ (b) Address of Issuer's Principal Executive Offices: 1500 Spencer Road Denton, TX 76205 - ------------------------------------------------------------------------------------------------------------------------------------ Item 2. (a) Name of Person Filing: Luther King Capital Management Corporation ------------------------------------------------------------------------------------------------------------------ (b) Address of Principal Business Office, or if None, Residence: 301 Commerce Street, Suite 1600 Fort Worth, TX 76102 ------------------------------------------------------------------------------------------------------------------ (c) Citizenship: Fort Worth, Texas USA ------------------------------------------------------------------------------------------------------------------ (d) Title of Class of Securities: Common Stock ------------------------------------------------------------------------------------------------------------------ (e) CUSIP Number: 459720102 - ------------------------------------------------------------------------------------------------------------------------------------ Item 3. Luther King is an Investment Adviser registered under Section 203 of the Investment Advisers Act of 1940. - ------------------------------------------------------------------------------------------------------------------------------------ Item 4. (a) Amount Beneficially Owned: 325,459 ------------------------------------------------------------------------------------------------------------------ (b) Percent of Class: 3.1% ------------------------------------------------------------------------------------------------------------------ (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote 325,459 (ii) shared power to vote or to direct the vote (iii) sole power to dispose or to direct the disposition of 325,459 (iv) shared power to dispose or to direct the disposition of - ------------------------------------------------------------------------------------------------------------------------------------ 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 - ------------------------------------------------------------------------------------------------------------------------------------
4 CUSIP No. 459720102 13G Page 4 of 4 Pages - ------------------------------------------------------------------------------------------------------------------------------------ Item 7. Identification and Classification of the Subsidiary which Acquired the Security being Reported on by the Parent Holding Company - ------------------------------------------------------------------------------------------------------------------------------------ Item 8. Identification and Classification of Members of the Group - ------------------------------------------------------------------------------------------------------------------------------------ Item 9. Notice of Dissolution of Group. - ------------------------------------------------------------------------------------------------------------------------------------ Item 10. Certification By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such 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. Date: February 9, 2001 Signature: /s/ J. Luther King, Jr. ---------------------------------------- Name/Title: President
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