Latest filings (excl ownership)
15-12B
Securities registration termination
7 Jan 22
EFFECT
Notice of effectiveness
30 Dec 21
EFFECT
Notice of effectiveness
30 Dec 21
EFFECT
Notice of effectiveness
30 Dec 21
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
8-K
Completion of Acquisition or Disposition of Assets
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
SC 14D9/A
Tender offer solicitation (amended)
20 Dec 21
SC 14D9/A
Tender offer solicitation (amended)
17 Dec 21
SC TO-T/A
Third party tender offer statement (amended)
17 Dec 21
SC TO-T/A
Third party tender offer statement (amended)
10 Dec 21
SC 14D9/A
Tender offer solicitation (amended)
10 Dec 21
SC TO-T/A
Third party tender offer statement (amended)
7 Dec 21
SC 14D9/A
Tender offer solicitation (amended)
7 Dec 21
SC TO-T/A
Third party tender offer statement (amended)
6 Dec 21
SC TO-T/A
Third party tender offer statement (amended)
2 Dec 21
SC 14D9
Tender offer solicitation
29 Nov 21
SC TO-T
Third party tender offer statement
29 Nov 21
SC TO-C
Information about tender offer
26 Nov 21
SC TO-C
Information about tender offer
16 Nov 21
SC14D9C
Written communication relating to third party tender offer
16 Nov 21
SC14D9C
Written communication relating to third party tender offer
15 Nov 21
SC TO-C
Information about tender offer
15 Nov 21
8-K
American Tower to Acquire Coresite
15 Nov 21
10-Q
2021 Q3
Quarterly report
29 Oct 21
8-K
CoreSite Reports Third Quarter 2021 Financial Results
28 Oct 21
10-Q
2021 Q2
Quarterly report
30 Jul 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
10-Q
2021 Q1
Quarterly report
30 Apr 21
8-K
Results of Operations and Financial Condition
29 Apr 21
DEFA14A
Additional proxy soliciting materials
26 Mar 21
DEF 14A
Definitive proxy
26 Mar 21
Latest ownership filings
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
4
Jeffrey S Finnin
29 Dec 21
4
Paul E. Szurek
29 Dec 21
4
DAVID A WILSON
29 Dec 21
4
Michael Millegan
29 Dec 21
4
Michael R Koehler
29 Dec 21
4
PATRICIA HIGGINS
29 Dec 21
4
Kelly C Chambliss
29 Dec 21
4
JEAN A BUA
29 Dec 21
4
Derek McCandless
20 Dec 21
4
Jeffrey S Finnin
20 Dec 21
4
DAVID A WILSON
15 Dec 21
4
Paul E. Szurek
15 Dec 21
4
Michael Millegan
15 Dec 21
4
Michael R Koehler
15 Dec 21
4
PATRICIA HIGGINS
15 Dec 21
4
Kelly C Chambliss
15 Dec 21
4
JEAN A BUA
15 Dec 21
4
Paul E. Szurek
7 Dec 21
4
Brian Warren
9 Nov 21
4
Mark R Jones
5 Nov 21
4
Jeffrey S Finnin
3 Nov 21
4
DAVID A WILSON
19 Oct 21
4
Paul E. Szurek
19 Oct 21
4
Michael Millegan
19 Oct 21
4
Michael R Koehler
19 Oct 21
4
PATRICIA HIGGINS
19 Oct 21
4
Kelly C Chambliss
19 Oct 21
4
JEAN A BUA
19 Oct 21
4
ALEKSANDRA KRUSKO
15 Sep 21
4
Juan Font
9 Aug 21