Sec Form 13G Filing - LOEWENBAUM G WALTER II filing for LUMINEX CORP (LMNX) - 2005-04-04

Insider filing report for Changes in Beneficial Ownership

  • Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
  • Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. 4)*

LUMINEX CORPORATION


(Name of Issuer)

Common Stock


(Title of Class of Securities)

55027E 10 2


(Cusip Number)

December 31, 2004


(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

        o Rule 13d-1 (b)

        o Rule 13d-1 (c)

        x 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 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).

 


 

             
13G
CUSIP No. 55027E 10 2

  1. Name of Reporting Person:
G. Walter Loewenbaum
I.R.S. Identification Nos. of above persons (entities only):

  2. Check the Appropriate Box if a Member of a Group:
    (a) o  
    (b) o  

  3. SEC Use Only:

  4. Citizenship or Place of Organization:
United States

Number of
Shares
Beneficially
Owned by
Each Reporting
Person With
5. Sole Voting Power:
1,710,3901

6. Shared Voting Power:
209,010

7. Sole Dispositive Power:
1,710,3901

8.Shared Dispositive Power:
209,010

  9.Aggregate Amount Beneficially Owned by Each Reporting Person:
1,919,400

  10.Check if the Aggregate Amount in Row (9) Excludes Certain Shares: x
1,501,7922

  11.Percent of Class Represented by Amount in Row (9):
6.2%

  12.Type of Reporting Person:
IN


1 Includes 90,083 shares not currently outstanding but subject to currently exercisable options (as well as those options that will become exercisable within 60 days).

2 1,243,208 of these shares are held by Mr. Loewenbaum’s wife, Lillian Loewenbaum; 132,586 of these shares are held by a trust for the benefit of Mr. Loewenbaum’s children of which Mrs. Loewenbaum is the trustee; and 125,998 of these shares are held by trust for the benefit of Mr. Loewenbaum which has an independent trustee and over which Mr. Loewenbaum neither has nor shares investment or voting power.

Page 2 of 5 Pages


 

SCHEDULE 13G

             
ITEM 1(A)   NAME OF ISSUER: Luminex Corporation
             
ITEM 1(B)   ADDRESS OF ISSUER’S PRINCIPAL EXECUTIVE OFFICES:
             
    12212 Technology Blvd., Austin, Texas 78727
             
ITEM 2(A)   NAME OF PERSON FILING: G. Walter Loewenbaum II
             
ITEM 2(B)   ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
             
    1708 Windsor, Austin, TX 78703
             
ITEM 2(C)   CITIZENSHIP: United States (Texas)
             
ITEM 2(D)   TITLE OF CLASS OR SECURITIES: Common Stock, $0.001 par value
             
ITEM 2(E)   CUSIP NUMBER: 55027E 10 2
             
ITEM 3.   IF THIS STATEMENT IS FILED PURSUANT TO RULE 13D-1(B) OR 13D-2(B),
             
    (A)   o   BROKER OR DEALER REGISTERED UNDER THE ACT
             
    (B)   o   BANK AS DEFINED IN SECTION 3 (A) (6) OF T HE ACT
             
    (C)   o   INSURANCE COMPANY AS DEFINED IN SECTION 3 (A) (19) OF THE ACT
             
    (D)   o   INVESTMENT COMPANY REGISTERED UNDER SECTION 8 OF
THE INVESTMENT COMPANY ACT
             
    (E)   o   INVESTMENT ADVISER REGISTERED UNDER SECTION 203 OF THE
INVESTMENT ADVISERS ACT OF 1940
             
    (F)   o   EMPLOYEE BENEFIT PLAN, PENSION FUND WHICH IS SUBJECT TO THE PROVISIONS OF THE EMPLOYEE RETIREMENT INCOME SECURITY ACT OF 1974 OR ENDOWMENT FUND; SEE SS.240.13D- (B) (1) (II) (F)
             
    (G)   o   PARENT HOLDING COMPANY, IN ACCORDANCE WITH SS.240.13D-1(B) (II) (G); SEE ITEM 7
             
    (H)   o   GROUP, IN ACCORDANCE WITH SS.240.13D-1 (B) (1) (II) (H)
             
ITEM 4.   OWNERSHIP:
             
(A)   AMOUNT BENEFICIALLY OWNED: 1,919,400
             
(B)   PERCENT OF CLASS: 6.2%

Page 3 of 5 Pages

 


 

SCHEDULE 13G

             
    (C)   NUMBER OF SHARES AS TO WHICH SUCH PERSON HAS:
             
        (I)   SOLE POWER TO VOTE OR TO DIRECT THE VOTE:
             
                  1,710,390
             
        (II)   SHARED POWER TO VOTE OR TO DIRECT THE VOTE:
             
                  209,010
             
        (III)   SOLE POWER TO DISPOSE OR TO DIRECT THE DISPOSITION OF:
             
                  1,710,390
             
        (IV)   SHARED POWER TO DISPOSE OR TO DIRECT THE DISPOSITION OF:
             
                  209,010

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 [ ].
 
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.

ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

  Not applicable.

ITEM 9. NOTICE OF DISSOLUTION OF GROUP.

  Not applicable.

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.

Page 4 of 5 Pages

 


 

SCHEDULE 13G

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.

     
  /s/ G. Walter Loewenbaum

G. Walter Loewenbaum

Date: April 4, 2005

Page 5 of 5 Pages