105 filings
Page 2 of 6
8-K
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2 Dec 22
Alpha Announces New Director Appointments
4:17pm
8-K
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28 Nov 22
Alpha Announces 2023 Full-Year Operational Guidance
4:33pm
8-K
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21 Nov 22
Departure of Directors or Certain Officers
4:15pm
8-K
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7 Nov 22
Regulation FD Disclosure
7:38am
8-K
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7 Nov 22
Alpha Reports Third Quarter 2022 Financial Results
7:35am
8-K
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13 Sep 22
Alpha Provides Update on 2023 Domestic Sales Commitments and Share Repurchase Program
7:48am
8-K
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12 Aug 22
Mine Safety - Reporting of Shutdowns and Patterns of Violations
4:16pm
8-K/A
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10 Aug 22
Departure of Directors or Certain Officers
4:16pm
8-K
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8 Aug 22
Departure of Directors or Certain Officers
7:37am
8-K
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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
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5 May 22
Investor Presentation May 2022
7:55am
8-K
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5 May 22
Alpha Announces First Quarter 2022 Results
7:51am
8-K
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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
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28 Jan 22
Departure of Directors or Certain Officers
4:16pm
8-K
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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
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5 Nov 21
Investor Presentation November 2021
7:39am