AMR Alpha Metallurgical resources - expects prelim Q2 2026 net loss of $12.30M, or $0.96 per diluted share - SEC filing - Reduces sales volu

AMR Alpha Metallurgical resources - expects prelim Q2 2026 net loss of $12.30M, or $0.96 per diluted share - SEC filing - Reduces sales volume guidance and raises cost of coal sales guidance for year - SEC filing