Financial reports
10-K/A
2019 FY
Annual report (amended)
10 Mar 20
10-K
2019 FY
Annual report
20 Feb 20
10-Q
2019 Q3
Quarterly report
30 Oct 19
10-Q
2019 Q2
Quarterly report
29 Jul 19
10-Q
2019 Q1
Quarterly report
29 Apr 19
10-K
2018 FY
Annual report
15 Feb 19
10-Q
2018 Q3
Quarterly report
26 Oct 18
10-Q
2018 Q2
Quarterly report
30 Jul 18
10-Q
2018 Q1
Quarterly report
30 Apr 18
10-K
2017 FY
Annual report
15 Feb 18
Current reports
8-K
Entry into a Material Definitive Agreement
13 Mar 20
8-K
Cleveland-Cliffs and AK Steel Announce Shareholder Approvals of Merger Agreement
10 Mar 20
8-K
Other Events
2 Mar 20
8-K
AK Steel Announces Fourth Quarter and Full-Year 2019 Financial Results
20 Feb 20
8-K
Entry into a Material Definitive Agreement
29 Jan 20
8-K
Entry into a Material Definitive Agreement
4 Dec 19
8-K
Cleveland-cliffs to Acquire Ak Steel
3 Dec 19
8-K
Other Events
20 Nov 19
8-K
Names Christopher Ross Interim Chief Financial Officer
5 Nov 19
8-K
AK Steel Announces Third Quarter 2019 Financial Results
30 Oct 19
Registration and prospectus
424B3
Prospectus supplement
25 Mar 21
424B3
Prospectus supplement
27 Mar 20
15-12G
Securities registration termination
24 Mar 20
S-4
Registration of securities issued in business combination transactions
20 Mar 20
POS AM
Prospectus update (post-effective amendment)
16 Mar 20
S-8 POS
Registration of securities for employees (post-effective amendment)
13 Mar 20
S-8 POS
Registration of securities for employees (post-effective amendment)
13 Mar 20
S-8 POS
Registration of securities for employees (post-effective amendment)
13 Mar 20
S-8 POS
Registration of securities for employees (post-effective amendment)
13 Mar 20
Proxies
DEFM14A
Proxy related to merger
4 Feb 20
DEFA14A
Additional proxy soliciting materials
10 Apr 19
DEF 14A
Definitive proxy
10 Apr 19
DEF 14A
Definitive proxy
9 Apr 18
DEFA14A
Additional proxy soliciting materials
9 Apr 18
DEFA14A
Additional proxy soliciting materials
10 Apr 17
DEF 14A
Definitive proxy
10 Apr 17
DEFA14A
Additional proxy soliciting materials
25 Jul 16
DEF 14A
Definitive proxy
25 Jul 16
PRE 14A
Preliminary proxy
11 Jul 16
Other
EFFECT
Notice of effectiveness
26 Mar 21
UPLOAD
Letter from SEC
22 Mar 21
CORRESP
Correspondence with SEC
12 Mar 21
EFFECT
Notice of effectiveness
30 Mar 20
UPLOAD
Letter from SEC
24 Mar 20
CORRESP
Correspondence with SEC
20 Mar 20
EFFECT
Notice of effectiveness
18 Mar 20
SD
Conflict minerals disclosure
31 May 19
SD
Conflict minerals disclosure
18 May 18
UPLOAD
Letter from SEC
30 May 17
Ownership