Financial reports
10-Q
2018 Q1
Quarterly report
2 May 18
10-K/A
2017 FY
Annual report (amended)
26 Apr 18
10-K
2017 Q4
Annual report
21 Feb 18
10-Q
2017 Q3
Quarterly report
1 Nov 17
10-Q
2017 Q2
Quarterly report
9 Aug 17
10-Q
2017 Q1
Quarterly report
4 May 17
10-K
2016 Q4
Annual report
23 Feb 17
10-Q
2016 Q3
Quarterly report
3 Nov 16
10-Q
2016 Q2
Quarterly report
4 Aug 16
10-Q
2016 Q1
Quarterly report
5 May 16
Current reports
8-K
Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard
4 Jun 18
8-K
Merger of Great Plains Energy and Westar Energy Approved, Paving Way for Benefits
25 May 18
8-K
Great Plains Energy Reports Solid First Quarter 2018 Results
2 May 18
8-K
Other Events
8 Mar 18
8-K
Other Events
1 Mar 18
8-K
Great Plains Energy Reports Full-year 2017 Results
21 Feb 18
8-K
Departure of Directors or Certain Officers
20 Feb 18
8-K
Other Events
12 Jan 18
8-K
Regulation FD Disclosure
10 Jan 18
8-K
Great Plains Energy and Westar Energy Shareholders Approve Merger at Special Shareholder Meetings
21 Nov 17
Registration and prospectus
15-12B
Securities registration termination
18 Jun 18
25-NSE
Exchange delisting
6 Jun 18
POSASR
Automatic shelf registration (post-effective amendment)
4 Jun 18
S-8 POS
Registration of securities for employees (post-effective amendment)
4 Jun 18
S-8 POS
Registration of securities for employees (post-effective amendment)
4 Jun 18
S-8 POS
Registration of securities for employees (post-effective amendment)
4 Jun 18
S-8 POS
Registration of securities for employees (post-effective amendment)
4 Jun 18
S-8 POS
Registration of securities for employees (post-effective amendment)
4 Jun 18
S-8 POS
Registration of securities for employees (post-effective amendment)
4 Jun 18
S-3ASR
Automatic shelf registration
12 Mar 18
Proxies
DEFA14A
Additional proxy soliciting materials
31 Oct 17
DEFA14A
Additional proxy soliciting materials
23 Oct 17
DEFA14A
Additional proxy soliciting materials
10 Oct 17
DEFM14A
Proxy related to merger
10 Oct 17
DEF 14A
Definitive proxy
23 Mar 17
DEFA14A
Additional proxy soliciting materials
23 Mar 17
DEFA14A
Additional proxy soliciting materials
9 Sep 16
DEFA14A
Additional proxy soliciting materials
31 Aug 16
DEFA14A
Additional proxy soliciting materials
25 Aug 16
DEFM14A
Proxy related to merger
25 Aug 16
Other
NO ACT
No action letter
22 Feb 17
CERTNYS
Certification of approval for NYSE listing
14 Oct 16
EFFECT
Notice of effectiveness
19 Aug 16
CORRESP
Correspondence with SEC
17 Aug 16
UPLOAD
Letter from SEC
25 Jul 16
NO ACT
No action letter
18 Feb 16
NO ACT
No action letter
5 Feb 15
UPLOAD
Letter from SEC
8 Aug 14
CORRESP
Correspondence with SEC
23 Jul 14
UPLOAD
Letter from SEC
9 Jul 14