| 2022 |
| 03/22 | 13:00 当社株式の上場廃止のお知らせ |
| 03/22 | 1,317 | 1,318 | 1,316 | 1,317 | 0% | 15,000 | 168億3126万 | -0.08% |
| 03/18 | 1,316 | 1,318 | 1,316 | 1,317 | 0% | 17,000 | 168億3126万 | -0.08% |
| 03/17 | 1,317 | 1,317 | 1,316 | 1,317 | 0% | 3,800 | 168億3126万 | -0.08% |
| 03/16 | 1,317 | 1,317 | 1,316 | 1,317 | 0% | 1,700 | 168億3126万 | -0.08% |
| 03/15 | 1,317 | 1,317 | 1,316 | 1,317 | 0% | 2,500 | 168億3126万 | -0.08% |
| 03/14 | 1,317 | 1,318 | 1,316 | 1,317 | 0% | 2,300 | 168億3126万 | -0.08% |
| 03/11 | 1,317 | 1,318 | 1,317 | 1,317 | -0.08% | 800 | 168億3126万 | -0.08% |
| 03/10 | 1,317 | 1,318 | 1,317 | 1,318 | +0.08% | 1,300 | 168億4404万 | 0% |
| 03/09 | 1,316 | 1,318 | 1,316 | 1,317 | 0% | 9,300 | 168億3126万 | -0.08% |
| 03/08 | 1,317 | 1,318 | 1,316 | 1,317 | 0% | 9,100 | 168億3126万 | -0.08% |
| 03/07 | 1,317 | 1,318 | 1,316 | 1,317 | 0% | 8,000 | 168億3126万 | -0.08% |
| 03/04 | 16:00 三井金属鉱業株式会社による当社株式に係る株式売渡請求を行うことの決定、当該株式売渡請求に係る承認及び当社株式の上場廃止に関するお知らせ |
| 03/04 | 1,317 | 1,317 | 1,317 | 1,317 | 0% | 1,600 | 168億3126万 | -0.08% |
| 03/03 | 1,318 | 1,325 | 1,317 | 1,317 | 0% | 5,800 | 168億3126万 | -0.08% |
| 03/02 | 1,317 | 1,318 | 1,317 | 1,317 | 0% | 2,700 | 168億3126万 | -0.08% |
| 03/01 | 1,324 | 1,324 | 1,317 | 1,317 | -0.15% | 2,500 | 168億3126万 | -0.08% |
| 02/28 | 1,330 | 1,348 | 1,319 | 1,319 | -0.83% | 12,300 | 168億5682万 | 0% |
| 02/25 | 15:00 (開示事項の経過)臨時株主総会の不開催及び基準日の取消しに関するお知らせ |
| 02/25 | 15:00 支配株主である三井金属鉱業株式会社による当社株式に対する公開買付けの結果に関するお知らせ |
| 02/25 | 1,316 | 1,330 | 1,316 | 1,330 | +0.91% | 15,600 | 169億9740万 | +0.91% |
| 02/24 | 1,317 | 1,319 | 1,317 | 1,318 | 0% | 1,400 | 168億4404万 | 0% |
| 02/22 | 1,318 | 1,321 | 1,318 | 1,318 | 0% | 7,800 | 168億4404万 | 0% |
| 02/21 | 1,319 | 1,321 | 1,318 | 1,318 | -0.08% | 8,300 | 168億4404万 | 0% |
| 02/18 | 1,318 | 1,319 | 1,318 | 1,319 | +0.08% | 11,600 | 168億5682万 | +0.08% |
| 02/17 | 1,318 | 1,319 | 1,318 | 1,318 | 0% | 16,800 | 168億4404万 | 0% |
| 02/16 | 1,318 | 1,318 | 1,318 | 1,318 | 0% | 900 | 168億4404万 | 0% |
| 02/15 | 1,318 | 1,318 | 1,318 | 1,318 | 0% | 2,200 | 168億4404万 | 0% |
| 02/14 | 1,318 | 1,319 | 1,318 | 1,318 | -0.08% | 7,100 | 168億4404万 | 0% |
| 02/10 | 1,318 | 1,319 | 1,318 | 1,319 | +0.08% | 5,600 | 168億5682万 | +0.08% |
| 02/09 | 13:00 臨時株主総会招集のための基準日設定に関するお知らせ |
| 02/09 | 13:00 2022年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/09 | 1,318 | 1,319 | 1,318 | 1,318 | 0% | 12,300 | 168億4404万 | 0% |
| 02/08 | 1,318 | 1,318 | 1,318 | 1,318 | 0% | 10,200 | 168億4404万 | 0% |
| 02/07 | 18:00 (変更)「支配株主である三井金属鉱業株式会社による当社株式に対する公開買付けに関する賛同の意見表明及び応募推奨のお知らせ」の一部変更について |
| 02/07 | 1,318 | 1,318 | 1,318 | 1,318 | 0% | 13,200 | 168億4404万 | 0% |
| 02/04 | 16:00 (訂正)主要株主の異動に関するお知らせ |
| 02/04 | 1,318 | 1,319 | 1,318 | 1,318 | 0% | 12,700 | 168億4404万 | 0% |
| 02/03 | 13:00 主要株主の異動に関するお知らせ |
| 02/03 | 1,318 | 1,319 | 1,318 | 1,318 | 0% | 12,400 | 168億4404万 | 0% |
| 02/02 | 1,318 | 1,318 | 1,318 | 1,318 | 0% | 71,500 | 168億4404万 | +0.84% |
| 02/01 | 1,318 | 1,318 | 1,318 | 1,318 | 0% | 16,100 | 168億4404万 | +2.09% |
| 01/31 | 1,318 | 1,318 | 1,317 | 1,318 | 0% | 34,200 | 168億4404万 | +3.37% |
| 01/28 | 1,318 | 1,318 | 1,317 | 1,318 | +0.08% | 851,300 | 168億4404万 | +4.69% |
| 01/27 | 1,317 | 1,318 | 1,316 | 1,317 | 0% | 704,000 | 168億3126万 | +6.04% |
| 01/26 | 1,318 | 1,318 | 1,317 | 1,317 | -0.08% | 188,900 | 168億3126万 | +7.51% |
| 01/25 | 1,318 | 1,318 | 1,318 | 1,318 | 0% | 19,500 | 168億4404万 | +9.02% |
| 01/24 | 1,318 | 1,318 | 1,318 | 1,318 | 0% | 15,900 | 168億4404万 | +10.57% |
| 01/21 | 1,318 | 1,319 | 1,318 | 1,318 | 0% | 19,800 | 168億4404万 | +12.07% |
| 01/20 | 1,317 | 1,319 | 1,317 | 1,318 | 0% | 44,700 | 168億4404万 | +13.72% |
| 01/19 | 1,317 | 1,318 | 1,317 | 1,318 | +0.08% | 17,100 | 168億4404万 | +15.41% |
| 01/18 | 1,318 | 1,318 | 1,317 | 1,317 | 0% | 15,400 | 168億3126万 | +17.07% |
| 01/17 | 1,318 | 1,318 | 1,317 | 1,317 | -0.08% | 19,500 | 168億3126万 | +18.86% |
| 01/14 | 1,317 | 1,319 | 1,317 | 1,318 | +0.08% | 70,000 | 168億4404万 | +20.7% |
| 01/13 | 1,318 | 1,318 | 1,317 | 1,317 | 0% | 37,100 | 168億3126万 | +22.4% |
| 01/12 | 1,317 | 1,318 | 1,317 | 1,317 | 0% | 21,200 | 168億3126万 | +24.36% |
| 01/11 | 1,317 | 1,319 | 1,317 | 1,317 | -0.15% | 80,300 | 168億3126万 | +26.27% |
| 01/07 | 1,317 | 1,319 | 1,317 | 1,319 | +0.15% | 209,900 | 168億5682万 | +28.56% |
| 01/06 | 1,317 | 1,318 | 1,317 | 1,317 | 0% | 31,200 | 168億3126万 | +30.4% |
| 01/05 | 1,318 | 1,318 | 1,317 | 1,317 | -0.08% | 84,200 | 168億3126万 | +32.63% |
| 01/04 | 1,317 | 1,318 | 1,317 | 1,318 | 0% | 95,000 | 168億4404万 | +34.76% |
| 2021 |
| 12/30 | 1,316 | 1,318 | 1,316 | 1,318 | +0.15% | 180,300 | 168億4404万 | +37.01% |
| 12/29 | 1,316 | 1,317 | 1,316 | 1,316 | 0% | 186,100 | 168億1848万 | +38.97% |
| 12/28 | 1,317 | 1,318 | 1,316 | 1,316 | +23.68% | 431,400 | 168億1848万 | +41.2% |
| 12/27 | 1,064 | 1,064 | 1,064 | 1,064 | +16.41% | 10,500 | 135億9792万 | +16.03% |
| 12/24 | 16:30 支配株主である三井金属鉱業株式会社による当社株式に対する公開買付けに関する賛同の意見表明及び応募推奨のお知らせ |
| 12/24 | 16:30 2022年3月期の配当予想の修正(無配)に関するお知らせ |
| 12/24 | 914 | 915 | 908 | 914 | 0% | 3,400 | 116億8092万 | +0.22% |
| 12/23 | 918 | 918 | 908 | 914 | -0.11% | 1,200 | 116億8092万 | +0.22% |
| 12/22 | 913 | 915 | 897 | 915 | +1.33% | 2,400 | 116億9370万 | +0.22% |
| 12/21 | 881 | 920 | 879 | 903 | +0.78% | 19,500 | 115億4034万 | -1.2% |
| 12/20 | 905 | 910 | 896 | 896 | -0.67% | 2,500 | 114億5088万 | -2.18% |
| 12/17 | 895 | 906 | 895 | 902 | 0% | 2,700 | 115億2756万 | -1.64% |
| 12/16 | 912 | 912 | 893 | 902 | -0.66% | 2,300 | 115億2756万 | -1.74% |
| 12/15 | 905 | 908 | 900 | 908 | +1.11% | 1,700 | 116億424万 | -1.3% |
| 12/14 | 908 | 908 | 887 | 898 | +1.01% | 3,000 | 114億7644万 | -2.81% |
| 12/13 | 900 | 900 | 888 | 889 | -0.78% | 12,400 | 113億6142万 | -4.1% |
| 12/10 | 916 | 916 | 894 | 896 | -0.88% | 8,300 | 114億5088万 | -3.86% |
| 12/09 | 925 | 925 | 901 | 904 | -0.44% | 3,800 | 115億5312万 | -3.32% |
| 12/08 | 906 | 908 | 901 | 908 | +0.22% | 6,000 | 116億424万 | -3.3% |
| 12/07 | 908 | 908 | 898 | 906 | 0% | 6,400 | 115億7868万 | -3.92% |
| 12/06 | 908 | 908 | 900 | 906 | 0% | 2,100 | 115億7868万 | -4.23% |
| 12/03 | 925 | 925 | 891 | 906 | -0.33% | 5,400 | 115億7868万 | -4.63% |
| 12/02 | 909 | 909 | 896 | 909 | 0% | 2,800 | 116億1702万 | -4.72% |
| 12/01 | 910 | 911 | 906 | 909 | +0.66% | 8,900 | 116億1702万 | -5.02% |
| 11/30 | 929 | 930 | 900 | 903 | -1.85% | 6,500 | 115億4034万 | -6.04% |
| 11/29 | 943 | 943 | 918 | 920 | -2.02% | 4,200 | 117億5760万 | -4.66% |
| 11/26 | 940 | 942 | 925 | 939 | +0.43% | 5,600 | 120億42万 | -3% |
| 11/25 | 935 | 937 | 935 | 935 | -0.21% | 1,100 | 119億4930万 | -3.61% |
| 11/24 | 937 | 941 | 937 | 937 | 0% | 400 | 119億7486万 | -3.7% |
| 11/22 | 928 | 937 | 928 | 937 | 0% | 500 | 119億7486万 | -3.9% |
| 11/19 | 937 | 937 | 937 | 937 | +0.64% | 300 | 119億7486万 | -4.09% |
| 11/18 | 936 | 937 | 931 | 931 | -0.53% | 500 | 118億9818万 | -4.9% |
| 11/17 | 941 | 941 | 936 | 936 | -0.53% | 5,400 | 119億6208万 | -4.68% |
| 11/16 | 936 | 941 | 930 | 941 | +0.43% | 7,300 | 120億2598万 | -4.37% |
| 11/15 | 940 | 941 | 935 | 937 | +0.75% | 1,700 | 119億7486万 | -4.97% |
| 11/12 | 933 | 940 | 926 | 930 | -0.85% | 4,200 | 118億8540万 | -5.87% |
| 11/11 | 950 | 950 | 900 | 938 | -1.37% | 15,600 | 119億8764万 | -5.25% |
| 11/10 | 13:00 新市場区分の上場維持基準の適合に向けた計画書 |
| 11/10 | 13:00 2022年3月期第2四半期連結業績予想と実績との差異及び通期業績予想の修正に関するお知らせ |
| 11/10 | 13:00 2022年3月期第2四半期決算短信〔日本基準〕(連結) |
| 11/10 | 984 | 1,000 | 940 | 951 | -3.84% | 13,200 | 121億5378万 | -4.13% |
| 11/09 | 988 | 989 | 984 | 989 | +0.2% | 1,900 | 126億3942万 | -0.4% |
| 11/08 | 999 | 999 | 984 | 987 | -1.1% | 2,100 | 126億1386万 | -0.6% |
| 11/05 | 988 | 998 | 988 | 998 | +0.91% | 200 | 127億5444万 | +0.5% |
| 11/04 | 993 | 997 | 989 | 989 | -0.8% | 1,100 | 126億3942万 | -0.4% |
| 11/02 | 989 | 997 | 989 | 997 | +0.2% | 600 | 127億4166万 | +0.4% |
| 11/01 | 1,000 | 1,003 | 995 | 995 | -0.5% | 1,000 | 127億1610万 | +0.2% |
| 10/29 | 1,000 | 1,000 | 995 | 1,000 | +0.1% | 1,300 | 127億8000万 | +0.7% |
| 10/28 | 1,000 | 1,000 | 999 | 999 | -0.1% | 400 | 127億6722万 | +0.6% |
| 10/27 | 999 | 1,000 | 999 | 1,000 | +0.4% | 1,400 | 127億8000万 | +0.7% |
| 10/26 | 999 | 1,000 | 996 | 996 | -0.1% | 2,000 | 127億2888万 | +0.3% |
| 10/25 | 999 | 1,003 | 997 | 997 | -0.5% | 1,000 | 127億4166万 | +0.4% |
| 10/22 | 996 | 1,003 | 996 | 1,002 | +0.6% | 600 | 128億556万 | +0.91% |
