SC 13G/A 1 dsc13ga.htm AMENDMENT NO 10 TO 13G AMENDMENT NO 10 TO 13G

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

 

SCHEDULE 13G

 

 

Under the Securities Exchange Act of 1934

(Amendment No. 10)*

 

 

 

 

 

Comarco, Inc.

(Name of Issuer)

 

 

Common Stock

(Title of Class of Securities)

 

 

200080109

                                (CUSIP Number)                                

 

 

April 30, 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:

 

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. 200080109        

   13G   Page 2 of 5 Pages

 

 

  1.  

Name of Reporting Person

S.S. or I.R.S. Identification No. of above person

 

            Columbia Acorn Trust

    
  2.  

Check the Appropriate Box if a Member of a Group

 

            Not Applicable

(a)  ¨

(b)  ¨

    
  3.  

SEC Use Only

 

    
  4.  

Citizenship or Place of Organization

 

            Massachusetts

    

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

  

  5.    Sole Voting Power

 

                None

  6.    Shared Voting Power

 

                316,900

  7.    Sole Dispositive Power

 

                None

  8.    Shared Dispositive Power

 

                316,900

  9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

            316,900

    
10.  

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares

 

¨

            Not Applicable

    
11.  

Percent of Class Represented by Amount in Row 9

 

            4.4%

    
12.  

Type of Reporting Person

 

            IV

    

Item 1.

  

(a)

   

Name of Issuer:

 

Comarco, Inc.

          
   

(b)

   

Address of Issuer’s Principal Executive Offices

 

2 Cromwell, Irvine, California 92618

          

Item 2.

  

(a)

   

Name of Person Filing:

 

Columbia Acorn Trust (“Acorn”)

          
   

(b)

   

Address of Principal Business Office:

 

Acorn is located at:

 

227 West Monroe Street, Suite 3000

Chicago, Illinois 60606

          
   

(c)

   

Citizenship:

 

Acorn is a Massachusetts business trust.

          
   

(d)

   

Title of Class of Securities:

 

Common Stock

          
   

(e)

   

CUSIP Number:

 

200080109

          

Item 3.

       

Type of Person:

 

(d)    Acorn is an Investment Company under section 8 of the Investment Company Act.

          

 

Page 3 of 5 pages

Item 4.

   

Ownership (at April 30, 2004):

          
     (a)   

Amount owned “beneficially” within the meaning of rule 13d-3:

 

316,900

          
     (b)   

Percent of class:

 

4.4% (based on 7,217,051 shares outstanding as of December 10, 2003 based on Form 10-Q filed on December 15, 2003)

          
     (c)    Number of shares as to which such person has:          
          (i)    sole power to vote or to direct the vote: none          
          (ii)    shared power to vote or to direct the vote: 316,900          
          (iii)    sole power to dispose or to direct the disposition of: none          
          (iv)    shared power to dispose or to direct disposition of: 316,900          

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:

 

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 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.

          

 

Page 4 of 5 pages

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: May 14, 2004

 

COLUMBIA ACORN TRUST
By:  

/s/    Bruce H. Lauer        

   
   

Bruce H. Lauer

Vice President, Treasurer and Secretary

 

Page 5 of 5 pages