Financial reports
10-Q
2021 Q3
Quarterly report
29 Oct 21
10-Q
2021 Q2
Quarterly report
30 Jul 21
10-Q
2021 Q1
Quarterly report
30 Apr 21
10-K
2020 FY
Annual report
5 Feb 21
10-Q
2020 Q3
Quarterly report
30 Oct 20
10-Q
2020 Q2
Quarterly report
31 Jul 20
10-Q
2020 Q1
Quarterly report
1 May 20
10-K
2019 FY
Annual report
7 Feb 20
10-Q
2019 Q3
Quarterly report
1 Nov 19
10-Q
2019 Q2
Quarterly report
26 Jul 19
Current reports
8-K
Completion of Acquisition or Disposition of Assets
28 Dec 21
8-K
American Tower to Acquire Coresite
15 Nov 21
8-K
CoreSite Reports Third Quarter 2021 Financial Results
28 Oct 21
8-K
CoreSite Reports Second Quarter 2021 Financial Results
29 Jul 21
8-K
Submission of Matters to a Vote of Security Holders
25 May 21
8-K
Results of Operations and Financial Condition
29 Apr 21
8-K
CoreSite Reports Fourth Quarter 2020 Financial Results
4 Feb 21
8-K
Michael Millegan Joins CoreSite Realty Corporation’s Board of Directors
1 Feb 21
8-K
CoreSite Reports Third Quarter 2020 Financial Results
29 Oct 20
8-K
Patricia Higgins Joins CoreSite Realty Corporation’s Board of Directors
26 Aug 20
Registration and prospectus
15-12B
Securities registration termination
7 Jan 22
S-8 POS
Registration of securities for employees (post-effective amendment)
28 Dec 21
S-8 POS
Registration of securities for employees (post-effective amendment)
28 Dec 21
POS AM
Prospectus update (post-effective amendment)
28 Dec 21
POS AM
Prospectus update (post-effective amendment)
28 Dec 21
POS AM
Prospectus update (post-effective amendment)
28 Dec 21
POSASR
Automatic shelf registration (post-effective amendment)
28 Dec 21
25-NSE
Exchange delisting
28 Dec 21
SC TO-T/A
Third party tender offer statement (amended)
28 Dec 21
SC 14D9/A
Tender offer solicitation (amended)
28 Dec 21
Proxies
DEFA14A
Additional proxy soliciting materials
26 Mar 21
DEF 14A
Definitive proxy
26 Mar 21
DEFA14A
Additional proxy soliciting materials
13 Apr 20
DEFA14A
Additional proxy soliciting materials
26 Mar 20
DEF 14A
Definitive proxy
26 Mar 20
DEFA14A
Additional proxy soliciting materials
29 Mar 19
DEF 14A
Definitive proxy
29 Mar 19
DEF 14A
Definitive proxy
30 Mar 18
DEFA14A
Additional proxy soliciting materials
30 Mar 18
DEF 14A
Definitive proxy
5 Apr 17
Other
EFFECT
Notice of effectiveness
30 Dec 21
EFFECT
Notice of effectiveness
30 Dec 21
EFFECT
Notice of effectiveness
30 Dec 21
SEC STAFF
SEC staff action: Order
20 Feb 20
SEC STAFF
SEC staff action: Order
31 Jan 20
UPLOAD
Letter from SEC
22 Sep 17
CORRESP
Correspondence with SEC
20 Sep 17
UPLOAD
Letter from SEC
13 Sep 17
UPLOAD
Letter from SEC
7 Oct 16
CORRESP
Correspondence with SEC
5 Oct 16
Ownership
SC 13G/A
Carlyle Group Inc.
11 Feb 22
SC 13G/A
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
2 Feb 22
4
ALEKSANDRA KRUSKO
29 Dec 21
4
Maile Kaiser
29 Dec 21
4
Mark R Jones
29 Dec 21
4
Anthony Hatzenbuehler
29 Dec 21
4
Juan Font
29 Dec 21
4
Brian Warren
29 Dec 21
4
Steven James Smith
29 Dec 21
4
Derek McCandless
29 Dec 21