208 results
Page 3 of 11
CORRESP
go2q79
14 Nov 22
Correspondence with SEC
12:00am
8-K
EX-99.1
01k2m71vt
7 Nov 22
Regulation FD Disclosure
7:38am
8-K
EX-99.1
23wq5
7 Nov 22
Alpha Reports Third Quarter 2022 Financial Results
7:35am
UPLOAD
l52yajz8v3qobf
31 Oct 22
Letter from SEC
12:00am
8-K
EX-99.2
0o9fe jyyk
13 Sep 22
Alpha Provides Update on 2023 Domestic Sales Commitments and Share Repurchase Program
7:48am
8-K
EX-99.1
p7zkahi
13 Sep 22
Alpha Provides Update on 2023 Domestic Sales Commitments and Share Repurchase Program
7:48am
8-K
kgihmtig7fv6tefqc
12 Aug 22
Mine Safety - Reporting of Shutdowns and Patterns of Violations
4:16pm
8-K
EX-99.1
9u57w
8 Aug 22
Departure of Directors or Certain Officers
7:37am
8-K
EX-99.1
c5xizsxjyc mlk2v
8 Aug 22
Alpha Reports Second Quarter 2022 Financial Results
7:34am
8-K
EX-99.1
zjo2x0uh
6 Jun 22
Investor Presentation June 2022
4:17pm
8-K
EX-99.1
12fq8wg
5 May 22
Investor Presentation May 2022
7:55am
8-K
EX-99.1
lel15
5 May 22
Alpha Announces First Quarter 2022 Results
7:51am
8-K
EX-99.1
128uyy 9knyf
7 Mar 22
Investor Presentation March 2022
7:45am