-----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, GqR9AC3QWnpAorHHO5oT3Dw2y1BvBCegpfL/wtw/FJpVRQl2cncl3KMDFGsTY1aQ BeyAk4UhNTT8yZTbi+KbyA== 0000810868-01-000181.txt : 20010315 0000810868-01-000181.hdr.sgml : 20010315 ACCESSION NUMBER: 0000810868-01-000181 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20010314 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: CABLETRON SYSTEMS INC CENTRAL INDEX KEY: 0000846909 STANDARD INDUSTRIAL CLASSIFICATION: COMPUTER COMMUNICATIONS EQUIPMENT [3576] IRS NUMBER: 042797263 STATE OF INCORPORATION: DE FISCAL YEAR END: 0228 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: SEC FILE NUMBER: 005-40857 FILM NUMBER: 1567959 BUSINESS ADDRESS: STREET 1: 35 INDUSTRIAL WAY CITY: ROCHESTER STATE: NH ZIP: 03886 BUSINESS PHONE: 6033329400 MAIL ADDRESS: STREET 1: 35 INDUSTRIAL WAY CITY: ROCHESTER STATE: NH ZIP: 03886 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: LEGG MASON INC CENTRAL INDEX KEY: 0000704051 STANDARD INDUSTRIAL CLASSIFICATION: SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211] IRS NUMBER: 521200960 STATE OF INCORPORATION: MD FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 100 LIGHT ST CITY: BALTIMORE STATE: MD ZIP: 21202-1476 BUSINESS PHONE: 4105390000 MAIL ADDRESS: STREET 1: 100 LIGHT ST CITY: BALTIMORE STATE: MD ZIP: 21202-1476 SC 13G/A 1 0001.txt CABLETRON SYSTEMS, INC. Securities and Exchange Commission Washington, D. C. 20549 Schedule 13-G/A Under the Securities and Exchange Act of 1934 Cabletron Systems, Inc. Common Stock CUSIP Number 126920107 Check the following box if a fee is being paid with this statement. [ ] CUSIP No. 126920107 1) Name of reporting person: Legg Mason, Inc. Tax Identification No: 52-1200960 2) Check the appropriate box if a member of a group: a) n/a b) n/a 3) SEC use only 4) Place of organization: Baltimore, Maryland Number of shares beneficially owned by each reporting person with: 5) Sole voting power: 8,500,000 6) Shared voting power: 1,171,215 7) Sole dispositive power: - 0 - 8) Shared dispositive power: 9,671,215 9) Aggregate amount beneficially owned by each reporting person: 9,671,215 10) Check if the aggregate amount in row (9) excludes certain shares: n/a 11) Percent of class represented by amount in row (9): 5.25% 12) Type of reporting person: HC Item 1a) Name of issuer: Cabletron Systems, Inc. Item 1b) Address of issuer's principal executive offices: 35 Industrial Way Rochester. NH 03867 Item 2a) Name of person filing: Legg Mason, Inc. Item 2b) Address of principal business office: 100 Light Street Baltimore, Maryland 21202 Item 2c) Citizenship: Maryland Corporation Item 2d) Title of class of securities: Common Stock Item 2e) CUSIP number: 126920107 Item 3) If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) , check whether the person filing is a: (a) [ ] Broker or dealer under Section 15 of the Act. (b) [ ] Bank as defined in Section 3(a)(6) of the Act. (c) [ ] Insurance Company as defined in section 3(a)(19) of the Act. (d) [ ] Investment Company registered under Section 8 of the Investment Company Act. (e) [ ] Investment Adviser registered under Section 203 of the Investment Advisers Act of 1940. (f) [ ] Employee Benefit Plan, Pension Fund which is subject to ERISA of 1974 or Endowment Fund; see 240.13d-1(b)(ii)(F). (g) [X] Parent holding company, in accordance with 240.13d-1(b)(ii)(G). (h) [ ] Group, in accordance with 240.13d-1(b)(1)(ii)(H). Item 4) Ownership: (a) Amount beneficially owned: 9,671,215 (b) Percent of Class: 5.25% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 8,500,000 (ii) shared power to vote or to direct the vote: 1,171,215 (iii) sole power to dispose or to direct the disposition of: - 0 - (iv) shared power to dispose or to direct the disposition of: 9,671,215 Item 5) Ownership of Five Percent or less of a class: n/a Item 6) Ownership of more than Five Percent on behalf of another person: n/a Item 7) Identification and classification of the subsidiary which acquired the security being reported on by the parent holding company: Legg Mason Wood Walker, Inc., as investment adviser and broker/dealer with discretion LMM, LLC, as investment adviser with discretion Legg Mason Funds Management, Inc., as investment adviser with discretion Brandywine Asset Management, Inc., as investment adviser with discretion Bingham Legg Advisers LLC, as investment adviser with discretion Legg Mason Capital Management, Inc., as investment adviser with discretion Legg Mason Trust, fsb, as investment adviser with discretion Item 8) Identification and classification of members of the group: n/a Item 9) Notice of dissolution of group: n/a 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 information set forth in this statement is true, complete and correct. ------------------------- Date: 3/14/01 Signature Timothy C. Scheve, Executive Vice President, Legg Mason, Inc. ------------------------------------------------------------- Name/Title Addendum to Schedule 13G/A filed by Legg Mason, Inc. Tax Identification No. 52-1200960 Shares of Cabletron Systems, Inc. owned a/o 12/31/00 CUSIP 126920107 Shares Sole Shared Sole Shared Name Class Owned V P V P D P D P Legg Mason Wood Walker, Inc. BD, IA 95,525 95,525 95,525 LMM, LLC IA 2,900,000 2,900,000 2,900,000 Legg Mason Funds Management, Inc. IA 5,600,000 5,600,000 5,600,000 Brandywine Asset Management, Inc. IA 518,480 518,480 518,480 Bingham Legg Advisers LLC IA 1,000 1,000 1,000 Legg Mason Capital Management, Inc. IA 554,650 554,650 554,650 Legg Mason Trust, fsb IA 1,560 1,560 1,560
Shares Outstanding 184,294,000 % Owned 5.25% -----END PRIVACY-ENHANCED MESSAGE-----