| 2022 |
| 10/14 | （IR情報）16:00 2023年2月期第2四半期決算短信〔日本基準〕(連結) |
| 10/14 | （IR情報）16:00 2023年2月期の期末配当予想の修正(無配)及び株主優待制度の廃止に関するお知らせ |
| 10/14 | （IR情報）16:00 MBOの実施及び応募の推奨に関するお知らせ |
| 10/14 | （IR情報）16:00 合同会社塩井興産による株式会社プレナス株式等(証券コード9945)に対する公開買付けの開始に関するお知らせ |
| 10/14 | （IR情報）16:00 剰余金の配当(中間配当)に関するお知らせ |
| 10/14 | 1,927 | 1,928 | 1,914 | 1,920 | +0.84% | 111,700 | 852億3394万 | +0.37% |
| 10/13 | 1,921 | 1,921 | 1,903 | 1,904 | -0.88% | 64,700 | 845億2366万 | -0.47% |
| 10/12 | 1,900 | 1,927 | 1,900 | 1,921 | +0.52% | 60,500 | 852億7833万 | +0.42% |
| 10/11 | 1,901 | 1,919 | 1,900 | 1,911 | +0.53% | 59,100 | 848億3441万 | -0.05% |
| 10/07 | 1,901 | 1,916 | 1,896 | 1,901 | -1.35% | 110,000 | 843億9048万 | -0.52% |
| 10/06 | 1,929 | 1,935 | 1,921 | 1,927 | +0.57% | 52,500 | 855億4469万 | +0.78% |
| 10/05 | 1,940 | 1,942 | 1,916 | 1,916 | -0.62% | 58,400 | 850億5637万 | +0.21% |
| 10/04 | 1,915 | 1,937 | 1,915 | 1,928 | +1.58% | 76,000 | 855億8908万 | +0.84% |
| 10/03 | （IR情報）15:00 2023年2月期9月度月次速報 |
| 10/03 | 1,919 | 1,919 | 1,884 | 1,898 | -1.45% | 78,200 | 842億5730万 | -0.84% |
| 09/30 | 1,930 | 1,932 | 1,908 | 1,926 | -0.16% | 79,100 | 855億30万 | +0.52% |
| 09/29 | 1,918 | 1,937 | 1,911 | 1,929 | +0.68% | 102,600 | 856億3347万 | +0.57% |
| 09/28 | 1,919 | 1,919 | 1,896 | 1,916 | +0.05% | 82,100 | 850億5637万 | -0.16% |
| 09/27 | 1,918 | 1,924 | 1,906 | 1,915 | +0.58% | 53,500 | 850億1198万 | -0.31% |
| 09/26 | 1,925 | 1,926 | 1,901 | 1,904 | -1.19% | 59,500 | 845億2366万 | -1.04% |
| 09/22 | 1,908 | 1,928 | 1,906 | 1,927 | +0.89% | 60,400 | 855億4469万 | 0% |
| 09/21 | 1,919 | 1,923 | 1,910 | 1,910 | -0.83% | 45,700 | 847億9001万 | -1.04% |
| 09/20 | 1,920 | 1,934 | 1,912 | 1,926 | +0.84% | 57,300 | 855億30万 | -0.36% |
| 09/16 | 1,914 | 1,917 | 1,904 | 1,910 | -0.26% | 44,300 | 847億9001万 | -1.34% |
| 09/15 | 1,901 | 1,915 | 1,901 | 1,915 | +0.74% | 33,600 | 850億1198万 | -1.29% |
| 09/14 | 1,905 | 1,908 | 1,896 | 1,901 | -0.63% | 54,000 | 843億9048万 | -2.16% |
| 09/13 | 1,919 | 1,919 | 1,903 | 1,913 | -0.05% | 37,100 | 849億2319万 | -1.7% |
| 09/12 | 1,920 | 1,921 | 1,910 | 1,914 | +0.26% | 23,200 | 849億6758万 | -1.8% |
| 09/09 | 1,896 | 1,918 | 1,896 | 1,909 | +0.74% | 49,800 | 847億4562万 | -2.2% |
| 09/08 | 1,905 | 1,910 | 1,893 | 1,895 | +0.16% | 50,000 | 841億2412万 | -3.07% |
| 09/07 | 1,902 | 1,908 | 1,884 | 1,892 | -0.94% | 59,700 | 839億9095万 | -3.37% |
| 09/06 | 1,908 | 1,925 | 1,897 | 1,910 | +0.1% | 73,000 | 847億9001万 | -2.65% |
| 09/05 | 1,892 | 1,909 | 1,889 | 1,908 | +0.69% | 50,500 | 847億123万 | -2.9% |
| 09/02 | （IR情報）15:00 2023年2月期8月度月次速報 |
| 09/02 | 1,909 | 1,912 | 1,890 | 1,895 | -0.11% | 79,200 | 841億2412万 | -3.76% |
| 09/01 | 1,911 | 1,918 | 1,896 | 1,897 | -0.78% | 101,900 | 842億1291万 | -3.85% |
| 08/31 | 1,920 | 1,925 | 1,912 | 1,912 | -0.57% | 67,300 | 848億7880万 | -3.29% |
| 08/30 | 1,921 | 1,937 | 1,911 | 1,923 | -0.57% | 86,700 | 853億6712万 | -2.88% |
| 08/29 | 1,950 | 1,950 | 1,932 | 1,934 | -1.38% | 205,500 | 858億5544万 | -2.47% |
| 08/26 | 1,962 | 1,968 | 1,954 | 1,961 | +0.05% | 46,400 | 870億5404万 | -1.26% |
| 08/25 | 1,975 | 1,975 | 1,960 | 1,960 | -0.56% | 37,200 | 870億965万 | -1.36% |
| 08/24 | 1,970 | 1,973 | 1,960 | 1,971 | +0.41% | 34,400 | 874億9797万 | -0.9% |
| 08/23 | 1,967 | 1,973 | 1,961 | 1,963 | -0.41% | 40,700 | 871億4283万 | -1.36% |
| 08/22 | 1,975 | 1,980 | 1,967 | 1,971 | -0.5% | 47,600 | 874億9797万 | -1% |
| 08/19 | 1,985 | 1,988 | 1,979 | 1,981 | 0% | 34,500 | 879億4189万 | -0.5% |
| 08/18 | 1,995 | 1,995 | 1,977 | 1,981 | -0.7% | 44,300 | 879億4189万 | -0.55% |
| 08/17 | 2,000 | 2,002 | 1,992 | 1,995 | 0% | 35,500 | 885億6339万 | +0.1% |
| 08/16 | 2,000 | 2,000 | 1,984 | 1,995 | 0% | 38,300 | 885億6339万 | +0.05% |
| 08/15 | 2,006 | 2,009 | 1,989 | 1,995 | -0.45% | 45,700 | 885億6339万 | +0.1% |
| 08/12 | 1,999 | 2,014 | 1,996 | 2,004 | +0.7% | 59,700 | 889億6293万 | +0.55% |
| 08/10 | 1,973 | 1,990 | 1,973 | 1,990 | +0.86% | 36,500 | 883億4143万 | -0.15% |
| 08/09 | 1,997 | 1,997 | 1,965 | 1,973 | -0.85% | 32,000 | 875億8675万 | -1.05% |
| 08/08 | 1,994 | 1,998 | 1,985 | 1,990 | -0.2% | 38,900 | 883億4143万 | -0.25% |
| 08/05 | 1,989 | 1,997 | 1,985 | 1,994 | +0.4% | 33,200 | 885億1900万 | -0.05% |
| 08/04 | 1,995 | 1,995 | 1,973 | 1,986 | +0.51% | 41,200 | 881億6386万 | -0.45% |
| 08/03 | 1,984 | 1,989 | 1,967 | 1,976 | -0.25% | 48,100 | 877億1993万 | -1% |
| 08/02 | （IR情報）15:00 2023年2月期7月度月次速報 |
| 08/02 | 1,997 | 1,997 | 1,977 | 1,981 | -0.95% | 49,500 | 879億4189万 | -0.75% |
| 08/01 | 1,990 | 2,000 | 1,983 | 2,000 | +0.5% | 39,000 | 887億8536万 | +0.25% |
| 07/29 | 2,014 | 2,014 | 1,985 | 1,990 | -0.8% | 50,900 | 883億4143万 | -0.15% |
| 07/28 | 1,991 | 2,006 | 1,973 | 2,006 | +1.26% | 73,300 | 890億5171万 | +0.75% |
| 07/27 | 1,995 | 1,997 | 1,977 | 1,981 | -0.7% | 55,100 | 879億4189万 | -0.3% |
| 07/26 | 2,014 | 2,015 | 1,991 | 1,995 | -0.4% | 46,600 | 885億6339万 | +0.5% |
| 07/25 | （IR情報）17:00 (訂正)「ストックオプション(新株予約権)の内容確定に関するお知らせ」の一部訂正について |
| 07/25 | 2,010 | 2,012 | 2,000 | 2,003 | -0.05% | 35,700 | 889億1853万 | +1.06% |
| 07/22 | 1,999 | 2,007 | 1,987 | 2,004 | +0.3% | 52,100 | 889億6293万 | +1.26% |
| 07/21 | 2,005 | 2,008 | 1,990 | 1,998 | -0.5% | 26,500 | 886億9657万 | +1.11% |
| 07/20 | 2,008 | 2,011 | 1,992 | 2,008 | +1.16% | 52,300 | 891億4050万 | +1.77% |
| 07/19 | 2,010 | 2,010 | 1,974 | 1,985 | -0.6% | 44,000 | 881億1946万 | +0.76% |
| 07/15 | 1,999 | 2,028 | 1,989 | 1,997 | +1.11% | 119,300 | 886億5218万 | +1.42% |
| 07/14 | （IR情報）17:00 ストックオプション(新株予約権)の内容確定に関するお知らせ |
| 07/14 | 1,999 | 1,999 | 1,936 | 1,975 | -1.25% | 188,200 | 876億7554万 | +0.46% |
| 07/13 | （IR情報）15:00 2023年2月期第1四半期決算短信〔日本基準〕(連結) |
| 07/13 | 2,020 | 2,029 | 1,999 | 2,000 | -0.45% | 56,400 | 887億8536万 | +1.78% |
| 07/12 | 2,028 | 2,038 | 1,999 | 2,009 | -0.54% | 57,200 | 891億8489万 | +2.34% |
| 07/11 | 1,998 | 2,021 | 1,992 | 2,020 | +2.18% | 75,000 | 896億7321万 | +3.06% |
| 07/08 | 1,983 | 1,994 | 1,961 | 1,977 | -0.2% | 79,800 | 877億6432万 | +1.02% |
| 07/07 | 2,015 | 2,016 | 1,980 | 1,981 | -1.15% | 51,100 | 879億4189万 | +1.28% |
| 07/06 | 2,008 | 2,012 | 1,994 | 2,004 | -0.2% | 52,100 | 889億6293万 | +2.56% |
| 07/05 | 2,009 | 2,010 | 1,995 | 2,008 | -0.15% | 43,400 | 891億4050万 | +2.87% |
| 07/04 | （IR情報）10:00 2023年2月期6月度月次速報 |
| 07/04 | 2,010 | 2,011 | 1,995 | 2,011 | +1.21% | 50,900 | 892億7367万 | +3.13% |
| 07/01 | 2,004 | 2,007 | 1,981 | 1,987 | -0.4% | 66,800 | 882億825万 | +2% |
| 06/30 | 2,011 | 2,030 | 1,994 | 1,995 | -0.94% | 82,000 | 885億6339万 | +2.52% |
| 06/29 | 1,980 | 2,020 | 1,977 | 2,014 | +1.87% | 142,400 | 894億685万 | +3.6% |
| 06/28 | 1,965 | 1,982 | 1,965 | 1,977 | +0.92% | 68,400 | 877億6432万 | +1.85% |
| 06/27 | 1,960 | 1,967 | 1,948 | 1,959 | +0.67% | 35,500 | 869億6526万 | +0.98% |
| 06/24 | 1,942 | 1,958 | 1,938 | 1,946 | +0.88% | 58,400 | 863億8815万 | +0.31% |
| 06/23 | 1,924 | 1,941 | 1,920 | 1,929 | +0.26% | 49,000 | 856億3347万 | -0.57% |
| 06/22 | 1,939 | 1,942 | 1,924 | 1,924 | -0.26% | 30,500 | 854億1151万 | -0.82% |
| 06/21 | 1,939 | 1,945 | 1,921 | 1,929 | +0.63% | 42,300 | 856億3347万 | -0.62% |
| 06/20 | 1,940 | 1,940 | 1,908 | 1,917 | -0.52% | 45,100 | 851億76万 | -1.24% |
| 06/17 | 1,920 | 1,935 | 1,913 | 1,927 | -0.31% | 54,100 | 855億4469万 | -0.77% |
| 06/16 | 1,924 | 1,947 | 1,924 | 1,933 | +0.47% | 36,800 | 858億1105万 | -0.46% |
| 06/15 | 1,922 | 1,940 | 1,922 | 1,924 | -0.36% | 34,700 | 854億1151万 | -0.98% |
| 06/14 | （IR情報）15:00 ストックオプション(新株予約権)の発行に関するお知らせ |
| 06/14 | 1,919 | 1,932 | 1,918 | 1,931 | -0.46% | 51,400 | 857億2226万 | -0.67% |
| 06/13 | 1,920 | 1,941 | 1,917 | 1,940 | +0.36% | 36,000 | 861億2179万 | -0.21% |
| 06/10 | 1,935 | 1,943 | 1,929 | 1,933 | -0.46% | 44,700 | 858億1105万 | -0.57% |
| 06/09 | 1,950 | 1,955 | 1,935 | 1,942 | -0.61% | 50,500 | 862億1058万 | -0.1% |
| 06/08 | 1,945 | 1,963 | 1,944 | 1,954 | +0.46% | 33,900 | 867億4329万 | +0.62% |
| 06/07 | 1,947 | 1,960 | 1,945 | 1,945 | -0.1% | 39,400 | 863億4376万 | +0.26% |
| 06/06 | 1,936 | 1,960 | 1,935 | 1,947 | 0% | 56,100 | 864億3254万 | +0.52% |
| 06/03 | 1,925 | 1,948 | 1,918 | 1,947 | +0.83% | 107,800 | 864億3254万 | +0.67% |
| 06/02 | （IR情報）15:00 2023年2月期5月度月次速報 |
| 06/02 | 1,958 | 1,958 | 1,923 | 1,931 | -1.53% | 93,700 | 857億2226万 | 0% |
| 06/01 | 1,952 | 1,961 | 1,942 | 1,961 | +0.67% | 104,600 | 870億5404万 | +1.61% |
| 05/31 | 1,963 | 1,970 | 1,948 | 1,948 | -0.56% | 72,900 | 864億7694万 | +1.09% |
| 05/30 | 1,964 | 1,970 | 1,948 | 1,959 | +0.77% | 93,800 | 869億6526万 | +1.71% |
| 05/27 | 1,943 | 1,951 | 1,934 | 1,944 | +0.73% | 43,200 | 862億9936万 | +1.09% |
| 05/26 | 1,935 | 1,949 | 1,928 | 1,930 | -0.72% | 46,500 | 856億7787万 | +0.42% |
| 05/25 | （IR情報）15:00 「内部統制システム構築の基本方針」の一部改定に関するお知らせ |
| 05/25 | 1,962 | 1,962 | 1,932 | 1,944 | -0.56% | 52,800 | 862億9936万 | +1.14% |
| 05/24 | 1,963 | 1,964 | 1,946 | 1,955 | -0.31% | 26,000 | 867億8768万 | +1.77% |
| 05/23 | 1,956 | 1,964 | 1,951 | 1,961 | +0.93% | 44,200 | 870億5404万 | +1.98% |
| 05/17 | （IR情報）15:00 組織変更、執行役員人事異動及び人事異動に関するお知らせ |
