105 filings
Page 2 of 6
8-K
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2 Dec 22
Alpha Announces New Director Appointments
4:17pm
8-K
gpn6k
28 Nov 22
Alpha Announces 2023 Full-Year Operational Guidance
4:33pm
8-K
8gac35w9
21 Nov 22
Departure of Directors or Certain Officers
4:15pm
8-K
br0tno u161
7 Nov 22
Regulation FD Disclosure
7:38am
8-K
g757tsfb q4qda3
7 Nov 22
Alpha Reports Third Quarter 2022 Financial Results
7:35am
8-K
nw3ianfm09o p96
13 Sep 22
Alpha Provides Update on 2023 Domestic Sales Commitments and Share Repurchase Program
7:48am
8-K
of813c oh
12 Aug 22
Mine Safety - Reporting of Shutdowns and Patterns of Violations
4:16pm
8-K/A
mdq4r
10 Aug 22
Departure of Directors or Certain Officers
4:16pm
8-K
5gkq1s9ktdrwh yinmct
8 Aug 22
Departure of Directors or Certain Officers
7:37am
8-K
ap3 4an8ry
8 Aug 22
Alpha Reports Second Quarter 2022 Financial Results
7:34am
8-K
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6 Jun 22
Investor Presentation June 2022
4:17pm
8-K
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9 May 22
Departure of Directors or Certain Officers
4:17pm
8-K
4o9490j hbafg
5 May 22
Investor Presentation May 2022
7:55am
8-K
ql58jk51g23k7j3l
5 May 22
Alpha Announces First Quarter 2022 Results
7:51am
8-K
2evd 10jp4g4
7 Mar 22
Investor Presentation March 2022
7:45am
8-K
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7 Mar 22
Alpha Announces Fourth Quarter and Full Year 2021 Results
7:44am
8-K
dljkuc itx7mu0
28 Jan 22
Departure of Directors or Certain Officers
4:16pm
8-K
bmazd9hscmc7zyso8j3
10 Dec 21
Entry into a Material Definitive Agreement
4:20pm
8-K
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8 Nov 21
Amendments to Articles of Incorporation or Bylaws
4:16pm
8-K
nubc 9zqd65z
5 Nov 21
Investor Presentation November 2021
7:39am