| 2023 |
| 03/03 | （IR情報）11:00 当社株式の上場廃止のお知らせ |
| 03/03 | 7,370 | 7,390 | 7,370 | 7,370 | 0% | 1,500 | 840億5779万 | +0.38% |
| 03/02 | 7,370 | 7,380 | 7,370 | 7,370 | 0% | 3,000 | 840億5779万 | +0.38% |
| 03/01 | 7,370 | 7,380 | 7,370 | 7,370 | 0% | 1,300 | 840億5779万 | +0.38% |
| 02/28 | 7,360 | 7,370 | 7,350 | 7,370 | +0.27% | 500 | 840億5779万 | +0.4% |
| 02/27 | 7,360 | 7,370 | 7,350 | 7,350 | +0.14% | 2,300 | 838億2969万 | +0.14% |
| 02/22 | 7,350 | 7,350 | 7,340 | 7,340 | -0.14% | 500 | 837億1563万 | 0% |
| 02/21 | 7,340 | 7,350 | 7,340 | 7,350 | +0.14% | 1,200 | 838億2969万 | +0.14% |
| 02/20 | 7,350 | 7,350 | 7,340 | 7,340 | 0% | 400 | 837億1563万 | 0% |
| 02/17 | 7,340 | 7,340 | 7,340 | 7,340 | +0.14% | 400 | 837億1563万 | 0% |
| 02/16 | 7,330 | 7,340 | 7,330 | 7,330 | 0% | 500 | 836億158万 | -0.12% |
| 02/15 | 7,340 | 7,340 | 7,330 | 7,330 | -0.14% | 800 | 836億158万 | -0.14% |
| 02/14 | 7,330 | 7,390 | 7,330 | 7,340 | +0.82% | 4,000 | 837億1563万 | 0% |
| 02/13 | 7,300 | 7,300 | 7,270 | 7,280 | 0% | 1,500 | 830億3131万 | -0.84% |
| 02/10 | 7,300 | 7,300 | 7,260 | 7,280 | -0.27% | 2,000 | 830億3131万 | -0.87% |
| 02/09 | 7,340 | 7,340 | 7,120 | 7,300 | -0.68% | 2,700 | 832億5942万 | -0.6% |
| 02/08 | （IR情報）15:30 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 |
| 02/07 | 7,350 | 7,350 | 7,350 | 7,350 | +0.14% | 600 | 838億2969万 | +0.11% |
| 02/06 | 7,340 | 7,340 | 7,340 | 7,340 | 0% | 200 | 837億1563万 | -0.03% |
| 02/03 | 7,340 | 7,340 | 7,340 | 7,340 | -0.14% | 600 | 837億1563万 | -0.05% |
| 02/02 | 7,350 | 7,350 | 7,350 | 7,350 | 0% | 100 | 838億2969万 | +0.07% |
| 02/01 | 7,350 | 7,360 | 7,350 | 7,350 | +0.14% | 700 | 838億2969万 | +0.08% |
| 01/31 | 7,340 | 7,340 | 7,340 | 7,340 | -0.27% | 400 | 837億1563万 | -0.04% |
| 01/30 | 7,360 | 7,360 | 7,360 | 7,360 | 0% | 100 | 839億4374万 | +0.23% |
| 01/27 | 7,350 | 7,360 | 7,340 | 7,360 | +0.14% | 1,900 | 839億4374万 | +0.26% |
| 01/25 | 7,350 | 7,350 | 7,350 | 7,350 | -0.14% | 100 | 838億2969万 | +0.14% |
| 01/24 | 7,360 | 7,360 | 7,360 | 7,360 | 0% | 100 | 839億4374万 | +0.88% |
| 01/23 | 7,360 | 7,360 | 7,360 | 7,360 | 0% | 100 | 839億4374万 | +1.57% |
| 01/19 | （5%ルール）ケイアイテイ（57.29%）加藤隆子（0%）加藤美奈子（0%）加藤一昭（0%）加藤光男（0%）加藤光昭（0%） |
| 01/19 | （5%ルール）ケイアイテイ（9%）加藤隆子（5.53%）加藤美奈子（1.01%）加藤一昭（0.6%）加藤光男（21.46%）加藤光昭（19.69%） |
| 01/18 | 7,360 | 7,360 | 7,360 | 7,360 | +0.14% | 100 | 839億4374万 | +2.24% |
| 01/16 | 7,350 | 7,350 | 7,350 | 7,350 | 0% | 100 | 838億2969万 | +2.83% |
| 01/11 | 7,360 | 7,360 | 7,350 | 7,350 | 0% | 1,200 | 838億2969万 | +3.73% |
| 01/06 | 7,350 | 7,350 | 7,350 | 7,350 | 0% | 100 | 838億2969万 | +4.57% |
| 01/05 | 7,350 | 7,350 | 7,350 | 7,350 | +0.27% | 400 | 838億2969万 | +5.38% |
| 2022 |
| 12/29 | 7,330 | 7,330 | 7,330 | 7,330 | -0.27% | 200 | 836億158万 | +5.85% |
| 12/28 | （IR情報）11:00 2023年5月期第2四半期決算短信〔日本基準〕(連結) |
| 12/28 | 7,330 | 7,370 | 7,330 | 7,350 | +0.55% | 300 | 838億2969万 | +6.96% |
| 12/27 | 7,310 | 7,310 | 7,310 | 7,310 | -0.54% | 600 | 833億7347万 | +7.28% |
| 12/26 | 7,350 | 7,350 | 7,350 | 7,350 | 0% | 200 | 838億2969万 | +8.7% |
| 12/22 | 7,340 | 7,350 | 7,340 | 7,350 | -0.54% | 1,100 | 838億2969万 | +9.57% |
| 12/21 | 7,350 | 7,390 | 7,350 | 7,390 | +0.96% | 800 | 842億8590万 | +11.13% |
| 12/20 | 7,370 | 7,390 | 7,320 | 7,320 | +0.69% | 400 | 834億8752万 | +11.08% |
| 12/19 | 7,270 | 7,270 | 7,270 | 7,270 | 0% | 300 | 829億1725万 | +11.35% |
| 12/13 | 7,150 | 7,270 | 7,150 | 7,270 | -1.09% | 500 | 829億1725万 | +12.23% |
| 12/08 | 7,350 | 7,350 | 7,350 | 7,350 | -0.54% | 100 | 838億2969万 | +14.36% |
| 12/07 | 7,350 | 7,390 | 7,350 | 7,390 | +0.54% | 200 | 842億8590万 | +16.01% |
| 12/06 | 7,350 | 7,350 | 7,350 | 7,350 | +0.27% | 100 | 838億2969万 | +16.44% |
| 12/05 | 7,330 | 7,330 | 7,330 | 7,330 | 0% | 1,200 | 836億158万 | +17.19% |
| 12/02 | （5%ルール）加藤光男（21.46%）ケイアイテイ（9%）加藤隆子（5.53%）加藤美奈子（1.01%）加藤光昭（19.69%）加藤一昭（0.6%） |
| 12/02 | 7,330 | 7,340 | 7,330 | 7,330 | -0.14% | 300 | 836億158万 | +18.23% |
| 12/01 | （5%ルール）加藤光男（21.46%）ケイアイテイ（9%）加藤隆子（5.53%） |
| 12/01 | 7,300 | 7,340 | 7,300 | 7,340 | +0.55% | 400 | 837億1563万 | +19.51% |
| 11/30 | 7,300 | 7,300 | 7,300 | 7,300 | -0.68% | 400 | 832億5942万 | +19.97% |
| 11/29 | 8,750 | 8,750 | 7,340 | 7,350 | +17.6% | 1,500 | 838億2969万 | +21.95% |
| 11/25 | （IR情報）16:00 親会社、親会社以外の支配株主及び主要株主の異動並びに株式会社ケイアイテイによる当社株式の公開買付けに準ずる買集め行為に関するお知らせ |
| 11/25 | （IR情報）16:00 自己株式の消却に関するお知らせ |
| 11/25 | （IR情報）16:00 株式併合、単元株式数の定めの廃止及び定款の一部変更、並びに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 |
| 11/25 | 6,150 | 6,250 | 6,150 | 6,250 | +2.46% | 300 | 712億8375万 | +4.8% |
| 11/22 | 6,100 | 6,100 | 6,100 | 6,100 | -1.29% | 100 | 695億7294万 | +2.56% |
| 11/16 | 6,180 | 6,180 | 6,180 | 6,180 | +1.64% | 100 | 704億8537万 | +3.97% |
| 11/15 | 6,680 | 6,680 | 6,080 | 6,080 | +4.47% | 900 | 693億4483万 | +2.49% |
| 11/08 | 6,000 | 6,000 | 5,810 | 5,820 | -1.52% | 500 | 663億7942万 | -1.71% |
| 11/07 | 5,910 | 5,910 | 5,910 | 5,910 | -1.5% | 100 | 674億591万 | -0.17% |
| 11/01 | 6,000 | 6,000 | 6,000 | 6,000 | -1.64% | 100 | 684億3240万 | +1.45% |
| 10/27 | 6,100 | 6,100 | 6,100 | 6,100 | +1.67% | 500 | 695億7294万 | +3.34% |
| 10/26 | 6,000 | 6,000 | 6,000 | 6,000 | +1.52% | 100 | 684億3240万 | +1.85% |
| 10/20 | 5,910 | 5,910 | 5,910 | 5,910 | -1.5% | 100 | 674億591万 | +0.46% |
| 10/17 | 6,000 | 6,000 | 6,000 | 6,000 | 0% | 800 | 684億3240万 | +2.08% |
| 10/14 | 6,000 | 6,000 | 6,000 | 6,000 | +1.69% | 100 | 684億3240万 | +2.21% |
| 10/12 | 5,900 | 5,900 | 5,900 | 5,900 | +0.17% | 100 | 672億9186万 | +0.68% |
| 10/05 | 5,890 | 5,890 | 5,890 | 5,890 | +1.55% | 100 | 671億7780万 | +0.56% |
| 10/04 | 5,800 | 5,800 | 5,800 | 5,800 | -3.33% | 100 | 661億5132万 | -0.89% |
| 09/30 | （IR情報）11:00 2023年5月期第1四半期決算短信〔日本基準〕(連結) |
| 09/27 | 6,000 | 6,000 | 6,000 | 6,000 | 0% | 500 | 684億3240万 | +2.48% |
| 09/26 | 5,910 | 6,000 | 5,910 | 6,000 | +1.52% | 200 | 684億3240万 | +2.62% |
| 09/20 | 5,910 | 5,910 | 5,910 | 5,910 | -0.51% | 100 | 674億591万 | +1.2% |
| 09/16 | 5,940 | 5,940 | 5,940 | 5,940 | 0% | 100 | 677億4807万 | +1.76% |
| 09/15 | 6,140 | 6,140 | 5,940 | 5,940 | 0% | 2,800 | 677億4807万 | +1.8% |
| 09/14 | 5,940 | 5,940 | 5,940 | 5,940 | +0.68% | 200 | 677億4807万 | +1.82% |
| 09/13 | 5,900 | 5,900 | 5,900 | 5,900 | 0% | 100 | 672億9186万 | +1.24% |
| 09/12 | 5,900 | 5,900 | 5,900 | 5,900 | +0.85% | 100 | 672億9186万 | +1.27% |
| 09/09 | 5,790 | 5,850 | 5,780 | 5,850 | +1.04% | 400 | 667億2159万 | +0.38% |
| 09/06 | 5,780 | 5,790 | 5,770 | 5,790 | -1.03% | 1,400 | 660億3726万 | -0.6% |
| 09/05 | 5,990 | 6,490 | 5,850 | 5,850 | -2.34% | 900 | 667億2159万 | +0.48% |
| 09/02 | 5,890 | 5,990 | 5,890 | 5,990 | +1.7% | 200 | 683億1834万 | +2.99% |
| 08/29 | 5,990 | 5,990 | 5,890 | 5,890 | +1.73% | 1,700 | 671億7780万 | +1.43% |
| 08/26 | 5,790 | 5,790 | 5,790 | 5,790 | -0.34% | 200 | 660億3726万 | -0.33% |
| 08/24 | 5,810 | 5,810 | 5,810 | 5,810 | +1.22% | 100 | 662億6537万 | +0.03% |
| 08/23 | 5,740 | 5,740 | 5,740 | 5,740 | 0% | 400 | 654億6699万 | -1.09% |
| 08/16 | 5,740 | 5,740 | 5,740 | 5,740 | -1.03% | 100 | 654億6699万 | -1.14% |
| 08/15 | 5,800 | 5,800 | 5,800 | 5,800 | 0% | 900 | 661億5132万 | -0.14% |
| 08/12 | 5,800 | 5,800 | 5,800 | 5,800 | +0.17% | 200 | 661億5132万 | -0.34% |
| 08/10 | 5,750 | 5,790 | 5,750 | 5,790 | +0.17% | 200 | 660億3726万 | -0.55% |
| 08/08 | （IR情報）11:00 上場維持基準の適合に向けた計画に基づく進捗状況について |
| 08/08 | （IR情報）11:00 支配株主等に関する事項について |
| 08/08 | （IR情報）11:00 投資単位の引下げに関する考え方および方針について |
| 08/08 | （IR情報）11:00 公益財団法人財務会計基準機構への加入状況及び加入に関する考え方等に関するお知らせ |
| 08/05 | 5,780 | 5,780 | 5,780 | 5,780 | +0.52% | 100 | 659億2321万 | -0.89% |
| 08/04 | 5,750 | 5,750 | 5,750 | 5,750 | -1.54% | 100 | 655億8105万 | -1.59% |
| 08/01 | 5,800 | 5,840 | 5,800 | 5,840 | +1.21% | 200 | 666億753万 | -0.32% |
| 07/27 | 5,760 | 5,770 | 5,760 | 5,770 | -1.7% | 1,900 | 658億915万 | -1.67% |
| 07/26 | 5,880 | 5,880 | 5,860 | 5,870 | +1.21% | 300 | 669億4969万 | -0.12% |
| 07/25 | 5,800 | 5,800 | 5,800 | 5,800 | -0.51% | 100 | 661億5132万 | -1.33% |
| 07/22 | 5,870 | 5,870 | 5,830 | 5,830 | +0.17% | 600 | 664億9348万 | -0.92% |
| 07/20 | 5,910 | 5,910 | 5,820 | 5,820 | -1.36% | 300 | 663億7942万 | -1.12% |
| 07/15 | 5,900 | 5,900 | 5,900 | 5,900 | 0% | 800 | 672億9186万 | +0.14% |
| 07/13 | 5,900 | 5,900 | 5,900 | 5,900 | +1.55% | 100 | 672億9186万 | +0.14% |
| 07/12 | 5,900 | 5,900 | 5,810 | 5,810 | -0.51% | 200 | 662億6537万 | -1.41% |
| 07/11 | 5,770 | 5,850 | 5,770 | 5,840 | -2.01% | 300 | 666億753万 | -1.1% |
| 07/07 | 5,960 | 5,960 | 5,960 | 5,960 | +3.47% | 100 | 679億7618万 | +0.95% |
| 07/05 | 5,760 | 5,760 | 5,760 | 5,760 | +0.7% | 300 | 656億9510万 | -2.29% |
| 07/04 | 5,720 | 5,720 | 5,720 | 5,720 | +0.18% | 200 | 652億3888万 | -3.05% |
| 07/01 | （IR情報）11:00 2022年5月期決算短信〔日本基準〕(連結) |
| 07/01 | 5,780 | 5,850 | 5,710 | 5,710 | -0.7% | 300 | 651億2483万 | -3.17% |
| 06/29 | 5,750 | 5,750 | 5,700 | 5,750 | -3.36% | 300 | 655億8105万 | -2.41% |
