Financial reports
10-Q
2019 Q3
Quarterly report
7 Nov 19
10-Q
2019 Q2
Quarterly report
9 Aug 19
10-Q
2019 Q1
Quarterly report
8 May 19
10-K
2018 FY
Annual report
28 Feb 19
10-Q
2018 Q3
Quarterly report
8 Nov 18
10-Q
2018 Q2
Quarterly report
9 Aug 18
10-Q
2018 Q1
Quarterly report
9 May 18
10-K
2017 FY
Annual report
26 Feb 18
10-Q
2017 Q3
Quarterly report
9 Nov 17
10-Q
2017 Q2
Quarterly report
7 Aug 17
Current reports
8-K
Termination of a Material Definitive Agreement
9 Dec 19
8-K
SemGroup Shareholders Approve Merger Transaction with Energy Transfer
5 Dec 19
8-K
Other Events
27 Nov 19
8-K
SemGroup Reports Third Quarter 2019 Financial Results
7 Nov 19
8-K
Semgroup to Be Acquired by Energy Transfer In $5 Billion Transaction
16 Sep 19
8-K
SemGroup Reports Second Quarter 2019 Financial Results
8 Aug 19
8-K
Entry into a Material Definitive Agreement
19 Jun 19
8-K
Departure of Directors or Certain Officers
20 May 19
8-K
SemGroup Reports Financial Results for First Quarter 2019
7 May 19
8-K
SemCAMS Midstream Joint Venture Completes Acquisition of
1 Mar 19
Registration and prospectus
15-12B
Securities registration termination
23 Dec 19
S-8 POS
Registration of securities for employees (post-effective amendment)
11 Dec 19
S-8 POS
Registration of securities for employees (post-effective amendment)
11 Dec 19
S-8 POS
Registration of securities for employees (post-effective amendment)
11 Dec 19
S-8 POS
Registration of securities for employees (post-effective amendment)
11 Dec 19
POS AM
Prospectus update (post-effective amendment)
11 Dec 19
POS AM
Prospectus update (post-effective amendment)
11 Dec 19
POS AM
Prospectus update (post-effective amendment)
11 Dec 19
POS AM
Prospectus update (post-effective amendment)
11 Dec 19
POS AM
Prospectus update (post-effective amendment)
11 Dec 19
Proxies
DEFM14A
Proxy related to merger
30 Oct 19
DEF 14A
Definitive proxy
12 Apr 19
DEF 14A
Definitive proxy
13 Apr 18
PRE 14A
Preliminary proxy
16 Mar 18
DEF 14A
Definitive proxy
13 Apr 17
PRE 14A
Preliminary proxy
20 Mar 17
DEFA14A
Additional proxy soliciting materials
16 Jun 16
DEF 14A
Definitive proxy
13 Apr 16
DEF 14A
Definitive proxy
10 Apr 15
DFAN14A
Additional proxy materials by non-management
28 Jan 15
Other
EFFECT
Notice of effectiveness
17 Dec 19
EFFECT
Notice of effectiveness
17 Dec 19
EFFECT
Notice of effectiveness
17 Dec 19
EFFECT
Notice of effectiveness
17 Dec 19
EFFECT
Notice of effectiveness
17 Dec 19
UPLOAD
Letter from SEC
21 Feb 18
EFFECT
Notice of effectiveness
23 Jan 18
EFFECT
Notice of effectiveness
23 Jan 18
UPLOAD
Letter from SEC
22 Jan 18
CORRESP
Correspondence with SEC
19 Jan 18
Ownership
SC 13G/A
Beneficial ownership report (amended)
14 Feb 20
SC 13D/A
SemGroup Corp
10 Dec 19
4
CHARLES R KAYE
9 Dec 19
SC 13G/A
SemGroup Corp
9 Dec 19
4
WILLIAM J MCADAM
6 Dec 19
4
JAMES H LYTAL
6 Dec 19
4
Karl F Kurz
6 Dec 19
4
Sarah Morrison Barpoulis
6 Dec 19
4
RONALD A BALLSCHMIEDE
6 Dec 19
4
THOMAS R MCDANIEL
6 Dec 19