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Filing Details

Accession Number:: 0001181431-15-004158
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2015-03-05 19:18:49
Reporting Period:: 2015-03-03

Filing Date:: 2015-03-05
Accepted Time:: 2015-03-05 19:18:49
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1490892	Coresite Realty Corp	COR	Real Estate Investment Trusts (6798)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1325462	S Jeffrey Finnin	C/O Coresite Realty Corporation 1001 17Th Street, Suite 500 Denver CO 80202	Cfo And Treasurer	No	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2015-03-03	7,481	$0.00	103,993	No	4	A	Direct
Common Stock	Acquisiton	2015-03-03	8,727	$0.00	112,720	No	4	A	Direct
Common Stock	Disposition	2015-03-04	1,891	$48.14	110,829	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	A	Direct
No	4	A	Direct
No	4	S	Direct

Footnotes

Represents restricted stock granted under the issuer's 2010 Equity Incentive Award Plan. The restricted stock vests in three equal annual installments beginning on March 3, 2016,provided that the reporting person remains employed by the issuer as of each vesting date.
Represents performance-based restricted shares ("PSAs") granted under the issuer's 2010 Equity Incentive Award Plan. The number of PSAs earned is based on the issuer's achievement of relative totalshareholder return ("TSR") measured versus the MSCI US REIT Index over a three-year performance period ending December 31, 2017, and the number of shares earned may range from 25% to 175%.The PSAs are earned as follows: (i) 20% of the PSAs are earned upon TSR achievement in year one of the performance period, (ii) 20% of the PSAs are earned upon TSR achievement in year two of theperformance period, (iii) 20% of the PSAs are earned upon TSR achievement in year three of the performance period, and (iv) 40% of the PSAs are earned upon a cumulative TSR achievement over thethree-year performance period, subject to the reporting person's continued employment with the issuer at the end of the three-year performance period. The PSAs are granted and issued at 175% of thetarget amount.
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 withholding 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 $47.55 to $48.47, 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 range set forth in this footnote.