-----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, DUhfgMBgWeNGAhmgIaxrcc/hfZhP++64Oovn2CeeKGsjJqPfqRcL6RF4l0H1wZQ4 4y+KAiuCsdJbDst09TOc+Q== 0001036050-00-000182.txt : 20000215 0001036050-00-000182.hdr.sgml : 20000215 ACCESSION NUMBER: 0001036050-00-000182 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20000214 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: IRON MOUNTAIN INC/PA CENTRAL INDEX KEY: 0001020569 STANDARD INDUSTRIAL CLASSIFICATION: PUBLIC WAREHOUSING & STORAGE [4220] IRS NUMBER: 232588479 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: SEC FILE NUMBER: 005-52359 FILM NUMBER: 542340 BUSINESS ADDRESS: STREET 1: 745 ATLANTIC AVENUE CITY: BOSTON STATE: MA ZIP: 02111- BUSINESS PHONE: (617)-535- MAIL ADDRESS: STREET 1: 745 ATLANTIC AVENUE CITY: BOSTON STATE: MA ZIP: 02111- FORMER COMPANY: FORMER CONFORMED NAME: PIERCE LEAHY CORP DATE OF NAME CHANGE: 19960807 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: PIERCE MARY CENTRAL INDEX KEY: 0001055519 STANDARD INDUSTRIAL CLASSIFICATION: [] FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: PIERCE LEAHY CORP STREET 2: 631 PARK AVE CITY: KING OF PRUSSIA STATE: PA ZIP: 19406 BUSINESS PHONE: 6109928200 MAIL ADDRESS: STREET 1: PIERCE LEAHY CORP STREET 2: 631 PARK AVE CITY: KING OF PRUSSIA STATE: PA ZIP: 19406 SC 13G 1 SCHEDULE 13G FOR MARY PIERCE UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. 2) Iron Mountain Incorporated ----------------------------------------------- (Name of Issuer) Common Stock --------------------------------------------- (Title of Class of Securities) 462846 10 6 ------------------------------ (CUSIP Number) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [_] Rule 13d-1(b) [_] Rule 13d-1(c) [X] Rule 13d-1(d) 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. 462846 10 6 13G Page 2 of 5 Pages - -------------------------------------------------------------------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Mary E. Pierce - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 United States of America - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBERS OF 0 SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 OWNED BY 0 ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 1,081,953 PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 0 - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 1,081,953 - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11 6.3% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 IN - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! -2- SCHEDULE 13G Item 1. 1(a). Name of Issuer: Iron Mountain Incorporated 1(b). Address of Issuer's Principal Executive Offices: 745 Atlantic Avenue, Boston, Massachusetts 02111 Item 2. 2(a). Name of Person Filing: Mary E. Pierce 2(b). Address of Principal Business Office: c/o 745 Atlantic Avenue, Boston, Massachusetts 02111 2(c). Citizenship: U.S. 2(d). Title of Class of Securities: Common Stock, $.01 par value 2(e). CUSIP Number: 462846 10 6 Item 3. Not applicable. Item 4. Ownership As of December 31, 1999, Mary E. Pierce beneficially owned (as calculated in accordance with Rule 13d-3) 1,081,953 shares of Common Stock, representing 6.3% of the Common Stock then outstanding. All of such shares are held in a Voting Trust pursuant to a Voting Trust Agreement dated June 24, 1997 (as amended or restated from time to time, the "Voting Trust") or pursuant to proxies issued in connection with the Voting Trust. The Voting Trustees under the Voting Trust have the right to vote the shares held in the Voting Trust or subject to such proxies. Accordingly, Ms. Pierce has no voting power (sole or shared) with respect to the shares beneficially owned by her. The beneficial owners of interests in the Voting Trust or the shares subject to the proxies have the right to dispose of the shares as to which they have beneficial interests. Ms. Pierce has a direct beneficial interest in 1,081,953 shares of Common Stock, and as such, has sole power to dispose of such shares. Item 5. Ownership of Five Percent or Less of a Class Not Applicable. Item 6. Ownership of More than Five Percent on Behalf of Another Person -3- 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 Not Applicable. -4- 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. February 14, 2000 ----------------------------------- Date /s/ Mary E. Pierce ----------------------------------- Signature Mary E. Pierce ----------------------------------- Name/Title -5- -----END PRIVACY-ENHANCED MESSAGE-----