| 2021 |
| 06/14 | 1,136 | 1,136 | 1,136 | 1,136 | 0% | 700 | 60億9994万 | 0% |
| 06/11 | 1,132 | 1,136 | 1,132 | 1,136 | 0% | 800 | 60億9994万 | 0% |
| 06/10 | 1,136 | 1,136 | 1,136 | 1,136 | -0.18% | 100 | 60億9994万 | 0% |
| 06/09 | 1,138 | 1,138 | 1,138 | 1,138 | +0.35% | 100 | 61億1068万 | +0.18% |
| 06/08 | 1,134 | 1,134 | 1,134 | 1,134 | -0.09% | 500 | 60億8920万 | -0.18% |
| 06/04 | 1,135 | 1,136 | 1,135 | 1,135 | -0.09% | 1,000 | 60億9457万 | -0.09% |
| 06/03 | 1,136 | 1,136 | 1,136 | 1,136 | -0.09% | 500 | 60億9994万 | 0% |
| 05/31 | 1,136 | 1,137 | 1,136 | 1,137 | +0.09% | 400 | 61億531万 | +0.09% |
| 05/28 | 1,136 | 1,136 | 1,136 | 1,136 | 0% | 3,000 | 60億9994万 | 0% |
| 05/26 | 1,136 | 1,136 | 1,136 | 1,136 | -0.09% | 500 | 60億9994万 | 0% |
| 05/24 | 1,137 | 1,137 | 1,137 | 1,137 | +0.09% | 200 | 61億531万 | +0.09% |
| 05/21 | 1,136 | 1,136 | 1,136 | 1,136 | 0% | 700 | 60億9994万 | 0% |
| 05/20 | 1,136 | 1,136 | 1,132 | 1,136 | 0% | 1,900 | 60億9994万 | 0% |
| 05/19 | 1,136 | 1,136 | 1,132 | 1,136 | 0% | 1,800 | 60億9994万 | 0% |
| 05/18 | 17:00 特別利益(投資有価証券売却益)の計上に関するお知らせ |
| 05/18 | 1,136 | 1,136 | 1,132 | 1,136 | +0.44% | 1,600 | 60億9994万 | +0.09% |
| 05/17 | 1,130 | 1,136 | 1,127 | 1,131 | -0.44% | 6,300 | 60億7309万 | -0.35% |
| 05/14 | 15:40 2021年3月期決算短信〔日本基準〕(連結) |
| 05/14 | 1,136 | 1,136 | 1,128 | 1,136 | 0% | 2,900 | 60億9994万 | +0.09% |
| 05/13 | 11:30 株式併合及び定款の一部変更に係る承認決議に関するお知らせ |
| 05/13 | 1,136 | 1,136 | 1,136 | 1,136 | 0% | 900 | 60億9994万 | +0.09% |
| 05/11 | 1,136 | 1,136 | 1,136 | 1,136 | 0% | 500 | 60億9994万 | +0.09% |
| 05/10 | 1,136 | 1,136 | 1,136 | 1,136 | 0% | 300 | 60億9994万 | +0.09% |
| 05/07 | 1,136 | 1,136 | 1,136 | 1,136 | 0% | 200 | 60億9994万 | +0.09% |
| 05/06 | 1,136 | 1,136 | 1,115 | 1,136 | 0% | 1,700 | 60億9994万 | +0.09% |
| 04/30 | 1,136 | 1,136 | 1,136 | 1,136 | 0% | 900 | 60億9994万 | +0.18% |
| 04/28 | 1,136 | 1,136 | 1,136 | 1,136 | 0% | 300 | 60億9994万 | +0.18% |
| 04/27 | 1,137 | 1,137 | 1,136 | 1,136 | 0% | 1,500 | 60億9994万 | +0.18% |
| 04/26 | 1,136 | 1,136 | 1,136 | 1,136 | -0.18% | 200 | 60億9994万 | +0.18% |
| 04/23 | 1,138 | 1,138 | 1,138 | 1,138 | +0.18% | 100 | 61億1068万 | +0.35% |
| 04/22 | 1,135 | 1,136 | 1,135 | 1,136 | -0.09% | 700 | 60億9994万 | +0.18% |
| 04/21 | 1,137 | 1,137 | 1,137 | 1,137 | +0.09% | 200 | 61億531万 | +0.26% |
| 04/19 | 1,136 | 1,136 | 1,136 | 1,136 | 0% | 3,400 | 60億9994万 | +0.18% |
| 04/16 | 1,136 | 1,136 | 1,136 | 1,136 | 0% | 500 | 60億9994万 | +0.18% |
| 04/15 | 1,137 | 1,137 | 1,136 | 1,136 | 0% | 1,100 | 60億9994万 | +0.18% |
| 04/14 | 15:30 株式併合並びに単元株式数の定めの廃止及び定款の一部変更に関するお知らせ |
| 04/14 | 15:30 自己株式の消却に関するお知らせ |
| 04/13 | 1,136 | 1,136 | 1,136 | 1,136 | +0.09% | 800 | 60億9994万 | +0.18% |
| 04/12 | 1,134 | 1,135 | 1,134 | 1,135 | +0.09% | 700 | 60億9457万 | +0.09% |
| 04/09 | 1,134 | 1,134 | 1,134 | 1,134 | 0% | 100 | 60億8920万 | 0% |
| 04/08 | 1,134 | 1,134 | 1,134 | 1,134 | 0% | 1,000 | 60億8920万 | 0% |
| 04/07 | 1,134 | 1,134 | 1,134 | 1,134 | +0.09% | 1,400 | 60億8920万 | 0% |
| 04/06 | 1,133 | 1,133 | 1,133 | 1,133 | 0% | 1,500 | 60億8383万 | -0.18% |
| 04/05 | 1,133 | 1,134 | 1,133 | 1,133 | 0% | 2,600 | 60億8383万 | -0.18% |
| 04/02 | 1,133 | 1,133 | 1,133 | 1,133 | -0.09% | 200 | 60億8383万 | -0.18% |
| 04/01 | 1,134 | 1,134 | 1,134 | 1,134 | +0.09% | 400 | 60億8920万 | -0.09% |
| 03/31 | 1,133 | 1,134 | 1,133 | 1,133 | +0.09% | 1,700 | 60億8383万 | -0.18% |
| 03/30 | 15:30 組織変更および人事異動のお知らせ |
| 03/30 | 1,132 | 1,132 | 1,132 | 1,132 | 0% | 200 | 60億7846万 | -0.26% |
| 03/29 | 1,132 | 1,132 | 1,132 | 1,132 | +0.09% | 1,100 | 60億7846万 | -0.35% |
| 03/26 | 1,131 | 1,131 | 1,131 | 1,131 | 0% | 600 | 60億7309万 | -0.44% |
| 03/25 | 11:00 株式会社アイ・ケイ・ケイによる当社株式に対する公開買付けの結果並びに親会社及び主要株主である筆頭株主の異動に関するお知らせ |
| 03/25 | 1,131 | 1,134 | 1,131 | 1,131 | +0.35% | 1,800 | 60億7309万 | -0.44% |
| 03/24 | 1,128 | 1,128 | 1,127 | 1,127 | -0.18% | 2,200 | 60億5161万 | -0.79% |
| 03/23 | 1,132 | 1,132 | 1,125 | 1,129 | -0.62% | 4,100 | 60億6235万 | -0.7% |
| 03/22 | 1,136 | 1,136 | 1,131 | 1,136 | -0.09% | 6,900 | 60億9994万 | -0.09% |
| 03/19 | 1,136 | 1,137 | 1,136 | 1,137 | 0% | 25,500 | 61億531万 | 0% |
| 03/18 | 1,137 | 1,138 | 1,137 | 1,137 | 0% | 8,200 | 61億531万 | +0.18% |
| 03/17 | 1,137 | 1,137 | 1,137 | 1,137 | 0% | 20,100 | 61億531万 | +0.89% |
| 03/16 | 1,137 | 1,137 | 1,137 | 1,137 | 0% | 4,300 | 61億531万 | +2.25% |
| 03/15 | 1,137 | 1,138 | 1,137 | 1,137 | 0% | 12,500 | 61億531万 | +3.55% |
| 03/12 | 15:30 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 |
| 03/12 | 1,137 | 1,137 | 1,137 | 1,137 | 0% | 42,400 | 61億531万 | +4.99% |
| 03/11 | 1,137 | 1,137 | 1,137 | 1,137 | 0% | 11,400 | 61億531万 | +6.36% |
| 03/10 | 1,137 | 1,137 | 1,137 | 1,137 | 0% | 11,100 | 61億531万 | +7.87% |
| 03/09 | 1,137 | 1,137 | 1,137 | 1,137 | 0% | 2,900 | 61億531万 | +9.43% |
| 03/08 | 1,137 | 1,137 | 1,137 | 1,137 | 0% | 6,400 | 61億531万 | +10.93% |
| 03/05 | 1,137 | 1,137 | 1,137 | 1,137 | 0% | 7,700 | 61億531万 | +12.57% |
| 03/04 | 1,136 | 1,137 | 1,136 | 1,137 | +0.09% | 7,700 | 61億531万 | +14.16% |
| 03/03 | 1,136 | 1,137 | 1,136 | 1,136 | -0.09% | 33,900 | 60億9994万 | +15.68% |
| 03/02 | 1,136 | 1,137 | 1,136 | 1,137 | 0% | 24,100 | 61億531万 | +17.46% |
| 03/01 | 1,136 | 1,137 | 1,136 | 1,137 | +0.09% | 12,400 | 61億531万 | +19.18% |
| 02/26 | 1,137 | 1,137 | 1,136 | 1,136 | -0.18% | 27,300 | 60億9994万 | +20.85% |
| 02/25 | 1,137 | 1,138 | 1,137 | 1,138 | +0.09% | 21,600 | 61億1068万 | +23.03% |
| 02/24 | 1,137 | 1,137 | 1,136 | 1,137 | 0% | 14,900 | 61億531万 | +24.67% |
| 02/22 | 1,137 | 1,137 | 1,136 | 1,137 | 0% | 65,500 | 61億531万 | +26.76% |
| 02/19 | 1,137 | 1,138 | 1,137 | 1,137 | 0% | 32,700 | 61億531万 | +28.77% |
| 02/18 | 1,138 | 1,138 | 1,137 | 1,137 | -0.09% | 40,300 | 61億531万 | +30.84% |
| 02/17 | 1,140 | 1,140 | 1,138 | 1,138 | 0% | 64,500 | 61億1068万 | +33.26% |
| 02/16 | 1,138 | 1,139 | 1,137 | 1,138 | +0.09% | 60,100 | 61億1068万 | +35.48% |
| 02/15 | 1,138 | 1,138 | 1,137 | 1,137 | -0.09% | 80,700 | 61億531万 | +37.65% |
| 02/12 | 1,139 | 1,139 | 1,136 | 1,138 | +5.18% | 259,300 | 61億1068万 | +40.15% |
| 02/10 | 1,082 | 1,082 | 1,082 | 1,082 | +16.09% | 15,300 | 58億998万 | +35.76% |
| 02/09 | 12:00 (訂正)「MBOの実施及び応募の推奨に関するお知らせ」の一部訂正について |
| 02/09 | 932 | 932 | 932 | 932 | +19.18% | 8,000 | 50億453万 | +18.58% |
| 02/08 | 15:40 株式会社アイ・ケイ・ケイによる大成株式会社株式(証券コード4649)に対する公開買付け開始に関するお知らせ |
| 02/08 | 15:40 2021年3月期配当予想の修正(無配)及び株主優待制度廃止に関するお知らせ |
| 02/08 | 15:40 MBOの実施及び応募の推奨に関するお知らせ |
| 02/08 | 15:40 2021年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/08 | 768 | 783 | 768 | 782 | +1.82% | 1,800 | 41億9908万 | +0.26% |
| 02/05 | 768 | 768 | 768 | 768 | -0.26% | 3,100 | 41億2390万 | -1.54% |
| 02/04 | 770 | 770 | 770 | 770 | -0.52% | 200 | 41億3464万 | -1.28% |
| 02/03 | 773 | 774 | 768 | 774 | 0% | 2,100 | 41億5612万 | -0.77% |
| 02/02 | 773 | 774 | 773 | 774 | +0.13% | 300 | 41億5612万 | -0.77% |
| 02/01 | 773 | 773 | 773 | 773 | 0% | 300 | 41億5075万 | -1.02% |
| 01/29 | 780 | 780 | 773 | 773 | +0.13% | 1,200 | 41億5075万 | -1.02% |
| 01/28 | 775 | 775 | 772 | 772 | -0.52% | 700 | 41億4538万 | -1.15% |
| 01/27 | 780 | 780 | 776 | 776 | -0.51% | 1,600 | 41億6686万 | -0.64% |
| 01/26 | 795 | 795 | 780 | 780 | -1.89% | 2,100 | 41億8834万 | -0.26% |
| 01/25 | 780 | 796 | 780 | 795 | +1.92% | 1,700 | 42億6888万 | +1.79% |
| 01/22 | 782 | 782 | 780 | 780 | -0.64% | 500 | 41億8834万 | -0.13% |
| 01/21 | 782 | 785 | 781 | 785 | +0.51% | 900 | 42億1519万 | +0.64% |
| 01/20 | 800 | 800 | 780 | 781 | -1.88% | 8,400 | 41億9371万 | +0.13% |
| 01/19 | 14:30 業績予想の修正に関するお知らせ |
| 01/19 | 775 | 820 | 775 | 796 | +2.05% | 10,000 | 42億7425万 | +2.18% |
| 01/18 | 780 | 780 | 780 | 780 | +0.65% | 100 | 41億8834万 | +0.26% |
| 01/15 | 800 | 800 | 771 | 775 | -0.39% | 4,300 | 41億6149万 | -0.26% |
| 01/14 | 780 | 780 | 778 | 778 | -0.26% | 300 | 41億7760万 | +0.26% |
| 01/13 | 785 | 791 | 780 | 780 | -0.13% | 900 | 41億8834万 | +0.65% |
| 01/12 | 782 | 782 | 781 | 781 | -1.14% | 200 | 41億9371万 | +1.03% |
| 01/08 | 785 | 790 | 785 | 790 | +0.64% | 600 | 42億4204万 | +2.33% |
| 01/07 | 785 | 785 | 785 | 785 | +1.29% | 600 | 42億1519万 | +2.08% |
| 01/06 | 776 | 777 | 775 | 775 | -1.27% | 500 | 41億6149万 | +1.04% |
| 01/05 | 785 | 785 | 780 | 785 | 0% | 1,400 | 42億1519万 | +2.61% |
