-----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, PLFWgVDu5L6iUGei0guRSRVGor5tm5zcUxmM4d+wcuPc/7t5gHSO4TnVCXmgNEAa Gjt8QiwLJKRafmoojHxajQ== 0000051879-00-000005.txt : 20000203 0000051879-00-000005.hdr.sgml : 20000203 ACCESSION NUMBER: 0000051879-00-000005 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20000202 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: TOLLGRADE COMMUNICATIONS INC \PA\ CENTRAL INDEX KEY: 0001002531 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-TELEPHONE INTERCONNECT SYSTEMS [7385] IRS NUMBER: 251537134 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: SEC FILE NUMBER: 005-50381 FILM NUMBER: 519581 BUSINESS ADDRESS: STREET 1: 493 NIXON RD CITY: CHESWICK STATE: PA ZIP: 15024 BUSINESS PHONE: 4122742156 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: INVESTMENT ADVISERS INC CENTRAL INDEX KEY: 0000051879 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 41887283 STATE OF INCORPORATION: MN FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 3700 FIRST BANK PLACE STREET 2: P O BOX 357 CITY: MINNEAPOLIS STATE: MN ZIP: 55440 BUSINESS PHONE: 6123762769 MAIL ADDRESS: STREET 1: 3700 FIRST BANK PLACE STREET 2: P O BOX 357 CITY: MINNEAPOLIS STATE: MN ZIP: 55440 FORMER COMPANY: FORMER CONFORMED NAME: PLATT STANLEY K DATE OF NAME CHANGE: 19600201 FORMER COMPANY: FORMER CONFORMED NAME: PLATT TSCHUDY & CO INC DATE OF NAME CHANGE: 19600201 FORMER COMPANY: FORMER CONFORMED NAME: PLATT TSCHUDY NORTON & CO INC DATE OF NAME CHANGE: 19600201 SC 13G/A 1 Securities and Exchange Commission Washington, D.C. 20549 Schedule 13G Under the Securities and Exchange Act of 1934 (Amendment No. 1 )* Tollgrade Communications Inc. (Name of Issue) COMMON (Title of Class of Securities) 889542106 (Cusip number) Check the following box if a fee is being paid with this statement [ ]. (A fee is not required only if the filing person: (1) has a previous statement on file reporting beneficial ownership of more than five percent of the class of securities described in Item 1; and (2) has filed no amendment subsequent thereto reporting beneficial ownership of five percent or less of such class) (See Rule 13d-7). *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 disclosure 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 in that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). Cusip Number: 889542106 13G 1. Investment Advisers, Inc. 2. Check the appropriate box if a member of a group: (a) [ ] (b) [ X ] 3. SEC Use only 4. Citizenship or place of organization: Delaware 5. Sole voting power: 248,400 6. Shared voting power: 77,300 7. Sole Dispositive power: 248,400 8. Shared dispositive power: 77,300 9. Aggregate amount beneficially owned by each reporting person: 325,700 10. Percent of class represented by amount in Row 9: 5.45 11. Type of Person Reporting*: IA Item 1. (a) Name of Issuer: Tollgrade Communications Inc (b) Address of Issuer's Principal Executive Offices: 493 Nixon Road Cheswick, PA 15024 Item 2. (a) Investment Advisors, Inc. (b) 3700 First Bank Place, Box 357, Minneapolis, MN 55440 (c) Delaware (d) Title of Class of Securiti es: Common (e) Cusip Number: 889542106 Item 3 (e) Investment Advisor registered under Section 203 of the Investment Advisors Act of 1940. Item 4. (a) Amount beneficially owned: 325,700 (b) Percent of Class: 5.45 (c) Number of shares as to which such person has: (I) Sole power to vote: 248,400 (ii) Shared power to vote: 77,300 (iii) Sole power to dispose or direct disposition of: 248,400 (iv) Shared power to dispose or direct disposition of: 77,300 Item 5. 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: [ ] Item 6. The shares referred to in this filing are held by various custodian banks for various clients of Investment Advisors, Inc. None of the individual clients or custodian banks holds more than 5% or more of the shares. Item 7. Not applicable. Item 8. Not applicable. Item 9. 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 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 purposes or effect. After reasonable inquiry and to the best of my knowledge and belief, I certify that the infraction set forth in this statement is true, complete and correct. Date: 2/1/2000 /s/Julie vonArx Julie vonArx Manager of Compliance -----END PRIVACY-ENHANCED MESSAGE-----