0001209191-21-018403.txt : 20210305 0001209191-21-018403.hdr.sgml : 20210305 20210305193819 ACCESSION NUMBER: 0001209191-21-018403 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210303 FILED AS OF DATE: 20210305 DATE AS OF CHANGE: 20210305 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Szurek Paul E. CENTRAL INDEX KEY: 0001498577 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34877 FILM NUMBER: 21720293 MAIL ADDRESS: STREET 1: C/O CORESITE REALTY CORPORATION STREET 2: 1001 17TH STREET, SUITE 500 CITY: DENVER STATE: CO ZIP: 80202 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CoreSite Realty Corp CENTRAL INDEX KEY: 0001490892 STANDARD INDUSTRIAL CLASSIFICATION: REAL ESTATE INVESTMENT TRUSTS [6798] IRS NUMBER: 000000000 STATE OF INCORPORATION: MD FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1001 17TH STREET STREET 2: SUITE 500 CITY: DENVER STATE: CO ZIP: 80202 BUSINESS PHONE: (866) 777-2673 MAIL ADDRESS: STREET 1: 1001 17TH STREET STREET 2: SUITE 500 CITY: DENVER STATE: CO ZIP: 80202 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-03-03 0 0001490892 CoreSite Realty Corp COR 0001498577 Szurek Paul E. C/O CORESITE REALTY CORPORATION 1001 17TH STREET, SUITE 500 DENVER CO 80202 1 1 0 0 President & CEO Common Stock 2021-03-03 4 D 0 2893 0.00 D 202998 D Common Stock 2021-03-04 4 S 0 6555 108.12 D 196443 D Common Stock 2021-03-04 4 S 0 8233 109.12 D 188210 D Represents the forfeiture of previously granted performance-based restricted shares that did not vest based on the issuer's level of achievement of relative total shareholder return measured versus the MSCI US REIT Index over a three-year performance period ended December 31, 2020. The shares were sold pursuant to a sales plan adopted by the reporting person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934. Represents shares sold by the reporting person to cover tax obligations upon the vesting of restricted stock. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $107.55 to $108.50, inclusive. The reporting person undertakes to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 4 and 5. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $108.64 to $109.55, inclusive. /s/ Derek S. McCandless, Attorney-in-Fact 2021-03-05