| 2021 |
| 09/28 | 888 | 905 | 888 | 899 | +0.9% | 1,259,700 | 1749億5302万 | +6.52% |
| 09/27 | （IR情報）13:00 代表取締役および役員の異動に関するお知らせ |
| 09/27 | 892 | 896 | 889 | 891 | +1.6% | 894,000 | 1733億9615万 | +6.2% |
| 09/24 | 889 | 890 | 876 | 877 | +0.69% | 686,200 | 1706億7163万 | +4.9% |
| 09/22 | 873 | 882 | 871 | 871 | -0.23% | 1,188,000 | 1695億398万 | +4.56% |
| 09/21 | 870 | 881 | 866 | 873 | -1.13% | 823,500 | 1698億9320万 | +5.18% |
| 09/17 | 877 | 888 | 876 | 883 | +0.11% | 1,189,500 | 1718億3928万 | +6.51% |
| 09/16 | 879 | 887 | 877 | 882 | +0.92% | 655,800 | 1716億4468万 | +6.65% |
| 09/15 | 892 | 896 | 870 | 874 | -1.02% | 1,090,100 | 1700億8781万 | +5.94% |
| 09/14 | 870 | 883 | 863 | 883 | +3.15% | 1,184,600 | 1718億3928万 | +7.16% |
| 09/13 | （IR情報）13:00 自己株式の消却に関するお知らせ |
| 09/13 | 846 | 859 | 845 | 856 | +1.66% | 859,400 | 1665億8486万 | +4.14% |
| 09/10 | 839 | 851 | 838 | 842 | +0.72% | 999,200 | 1638億6034万 | +2.43% |
| 09/09 | 845 | 851 | 835 | 836 | -1.99% | 835,600 | 1626億9269万 | +1.46% |
| 09/08 | 841 | 854 | 841 | 853 | +1.79% | 748,000 | 1660億103万 | +3.02% |
| 09/07 | 841 | 849 | 837 | 838 | +0.6% | 643,700 | 1630億8190万 | +0.72% |
| 09/06 | 840 | 842 | 831 | 833 | +0.48% | 706,700 | 1621億886万 | -0.36% |
| 09/03 | 813 | 831 | 812 | 829 | +1.59% | 1,203,700 | 1613億3043万 | -1.19% |
| 09/02 | 806 | 819 | 805 | 816 | -0.24% | 792,000 | 1588億52万 | -3.2% |
| 09/01 | （IR情報）16:00 インフロニア・ホールディングス株式会社の新規上場承認に関するお知らせ |
| 09/01 | 819 | 827 | 814 | 818 | +0.86% | 734,000 | 1591億8973万 | -3.65% |
| 08/31 | 811 | 822 | 808 | 811 | -1.34% | 1,201,800 | 1578億2747万 | -5.04% |
| 08/30 | 814 | 823 | 812 | 822 | +1.61% | 570,500 | 1599億6817万 | -4.31% |
| 08/27 | 805 | 810 | 803 | 809 | +0.37% | 385,500 | 1574億3826万 | -6.37% |
| 08/26 | 808 | 811 | 801 | 806 | +0.5% | 344,900 | 1568億5443万 | -7.14% |
| 08/25 | 805 | 809 | 802 | 802 | +0.12% | 573,400 | 1560億7600万 | -8.13% |
| 08/24 | 799 | 804 | 793 | 801 | +1.01% | 594,500 | 1558億8139万 | -8.87% |
| 08/23 | 788 | 799 | 785 | 793 | +1.02% | 778,400 | 1543億2452万 | -10.5% |
| 08/20 | 800 | 803 | 781 | 785 | -1.75% | 944,700 | 1527億6765万 | -12.09% |
| 08/19 | 804 | 808 | 798 | 799 | -1.48% | 612,100 | 1554億9217万 | -11.32% |
| 08/18 | 806 | 817 | 802 | 811 | +1% | 595,900 | 1578億2747万 | -10.68% |
| 08/17 | 833 | 835 | 803 | 803 | -3.25% | 990,900 | 1562億7061万 | -12.14% |
| 08/16 | 840 | 843 | 820 | 830 | -1.07% | 871,200 | 1615億2504万 | -9.78% |
| 08/13 | 837 | 853 | 836 | 839 | +0.48% | 971,600 | 1632億7651万 | -9.3% |
| 08/12 | 851 | 852 | 835 | 835 | -0.95% | 1,016,300 | 1624億9808万 | -10.22% |
| 08/11 | 850 | 853 | 839 | 843 | +0.36% | 975,900 | 1640億5495万 | -9.94% |
| 08/10 | 849 | 863 | 840 | 840 | -0.71% | 1,683,600 | 1634億7112万 | -10.73% |
| 08/06 | （IR情報）13:00 2022年3月期第1四半期決算短信〔日本基準〕(連結) |
| 08/06 | 907 | 928 | 833 | 846 | -6.93% | 3,124,800 | 1646億3877万 | -10.57% |
| 08/05 | （IR情報）13:00 役員に対する譲渡制限付株式報酬としての自己株式の処分の払込完了に関するお知らせ |
| 08/05 | 921 | 929 | 904 | 909 | -2.88% | 806,600 | 1768億9911万 | -4.42% |
| 08/04 | 938 | 941 | 932 | 936 | -0.32% | 505,400 | 1821億5353万 | -1.78% |
| 08/03 | 939 | 945 | 932 | 939 | +0.43% | 495,300 | 1827億3736万 | -1.68% |
| 08/02 | 924 | 938 | 923 | 935 | +1.96% | 493,300 | 1819億5893万 | -2.2% |
| 07/30 | 934 | 940 | 916 | 917 | -2.65% | 778,400 | 1784億5597万 | -4.18% |
| 07/29 | 944 | 945 | 936 | 942 | -0.21% | 476,800 | 1833億2119万 | -1.67% |
| 07/28 | 944 | 952 | 937 | 944 | -1.26% | 353,800 | 1837億1040万 | -1.56% |
| 07/27 | 955 | 961 | 951 | 956 | +1.27% | 532,800 | 1860億4570万 | -0.31% |
| 07/26 | （5%ルール）米国みずほ証券(Mizuho Securities USA LLC)（0%）みずほ銀行（2.62%）みずほ信託銀行（0.59%）みずほ証券（0.39%）アセットマネジメントOne（2.46%） |
| 07/26 | 951 | 955 | 934 | 944 | +0.85% | 715,200 | 1837億1040万 | -1.67% |
| 07/21 | 938 | 946 | 935 | 936 | +1.63% | 651,400 | 1821億5353万 | -2.6% |
| 07/20 | 916 | 925 | 913 | 921 | -1.07% | 518,800 | 1792億3441万 | -4.26% |
| 07/19 | 934 | 940 | 924 | 931 | -1.38% | 645,800 | 1811億8049万 | -3.52% |
| 07/16 | 952 | 962 | 944 | 944 | -2.07% | 643,900 | 1837億1040万 | -2.38% |
| 07/15 | 976 | 987 | 961 | 964 | -1.93% | 559,100 | 1876億257万 | -0.41% |
| 07/14 | 974 | 989 | 974 | 983 | -0.41% | 446,400 | 1913億13万 | +1.44% |
| 07/13 | 977 | 987 | 971 | 987 | +1.44% | 647,900 | 1920億7857万 | +1.86% |
| 07/12 | 969 | 977 | 963 | 973 | +2.53% | 551,300 | 1893億5405万 | +0.41% |
| 07/09 | 930 | 951 | 927 | 949 | +0.21% | 628,400 | 1846億8344万 | -2.16% |
| 07/08 | 964 | 965 | 946 | 947 | -1.66% | 596,100 | 1842億9423万 | -2.57% |
| 07/07 | 969 | 969 | 960 | 963 | -1.33% | 691,900 | 1874億796万 | -1.13% |
| 07/06 | 980 | 981 | 971 | 976 | +0.21% | 387,100 | 1899億3787万 | +0.21% |
| 07/05 | （IR情報）15:00 役員に対する譲渡制限付株式報酬としての自己株式の処分に関するお知らせ |
| 07/05 | 976 | 984 | 971 | 974 | -0.61% | 681,300 | 1895億4866万 | 0% |
| 07/02 | 970 | 980 | 966 | 980 | +2.3% | 637,700 | 1907億1631万 | +0.72% |
| 07/01 | 972 | 975 | 956 | 958 | -0.52% | 538,500 | 1864億3492万 | -1.54% |
| 06/30 | 971 | 973 | 959 | 963 | -0.82% | 539,600 | 1874億796万 | -1.13% |
| 06/29 | 965 | 971 | 961 | 971 | -0.72% | 515,800 | 1889億6483万 | -0.51% |
| 06/28 | 959 | 980 | 959 | 978 | +1.98% | 463,600 | 1903億2709万 | 0% |
| 06/25 | （IR情報）15:00 前田建設工業(株)、前田道路(株)および(株)前田製作所の共同持株会社設立(共同株式移転)に関する株式移転計画の定時株主総会による承認可決のお知らせ |
| 06/25 | 963 | 969 | 958 | 959 | +0.52% | 390,600 | 1866億2953万 | -2.04% |
| 06/24 | 960 | 960 | 948 | 954 | -0.1% | 347,200 | 1856億5649万 | -2.75% |
| 06/23 | 970 | 976 | 955 | 955 | -1.75% | 438,200 | 1858億5110万 | -2.85% |
| 06/22 | 956 | 975 | 950 | 972 | +2.97% | 673,000 | 1891億5944万 | -1.32% |
| 06/21 | （5%ルール）日興アセットマネジメント（2.16%）三井住友トラスト・アセットマネジメント（3.05%） |
| 06/21 | 950 | 951 | 932 | 944 | -2.18% | 767,900 | 1837億1040万 | -4.26% |
| 06/18 | 960 | 968 | 954 | 965 | -0.41% | 687,900 | 1877億9718万 | -2.23% |
| 06/17 | 979 | 983 | 966 | 969 | -1.12% | 729,400 | 1885億7561万 | -1.92% |
| 06/16 | 982 | 991 | 979 | 980 | -0.41% | 455,600 | 1907億1631万 | -0.71% |
| 06/15 | 977 | 985 | 973 | 984 | +0.51% | 515,800 | 1914億9474万 | -0.1% |
| 06/14 | 985 | 996 | 976 | 979 | -0.2% | 665,800 | 1905億2170万 | -0.51% |
| 06/11 | 985 | 992 | 976 | 981 | -0.41% | 708,700 | 1909億1092万 | -0.3% |
| 06/10 | 980 | 988 | 973 | 985 | -0.3% | 472,300 | 1916億8935万 | +0.1% |
| 06/09 | 988 | 999 | 985 | 988 | +0.2% | 504,200 | 1922億7318万 | +0.51% |
| 06/08 | 990 | 991 | 980 | 986 | -1.3% | 549,900 | 1918億8396万 | +0.61% |
| 06/07 | 996 | 1,000 | 986 | 999 | +0.3% | 975,700 | 1944億1387万 | +2.15% |
| 06/04 | 987 | 1,001 | 982 | 996 | +1.53% | 1,053,200 | 1938億3004万 | +2.15% |
| 06/03 | 976 | 986 | 974 | 981 | +0.51% | 785,500 | 1909億1092万 | +0.82% |
| 06/02 | 980 | 983 | 962 | 976 | -0.1% | 883,900 | 1899億3787万 | +0.51% |
| 06/01 | 965 | 978 | 957 | 977 | +2.3% | 1,139,900 | 1901億3248万 | +0.72% |
| 05/31 | 969 | 975 | 948 | 955 | -2.75% | 636,700 | 1858億5110万 | -1.34% |
| 05/28 | 989 | 991 | 978 | 982 | +0.82% | 770,500 | 1911億552万 | +1.45% |
| 05/27 | 987 | 994 | 974 | 974 | -3.66% | 1,010,000 | 1895億4866万 | +0.62% |
| 05/26 | 1,000 | 1,014 | 997 | 1,011 | -0.3% | 798,700 | 1967億4917万 | +4.44% |
| 05/25 | 1,010 | 1,016 | 999 | 1,014 | +1.3% | 1,044,000 | 1973億3300万 | +4.86% |
| 05/24 | 1,014 | 1,014 | 997 | 1,001 | -0.99% | 1,136,700 | 1948億309万 | +3.62% |
| 05/21 | 1,005 | 1,013 | 990 | 1,011 | +0.9% | 1,810,700 | 1967億4917万 | +4.77% |
| 05/20 | 1,007 | 1,017 | 996 | 1,002 | -0.1% | 1,359,800 | 1949億9769万 | +3.94% |
| 05/19 | 997 | 1,017 | 989 | 1,003 | +0.5% | 1,600,100 | 1951億9230万 | +4.26% |
| 05/18 | （IR情報）16:00 2021年3月期決算説明会補足資料 |
| 05/18 | 996 | 1,002 | 987 | 998 | +1.73% | 1,145,500 | 1942億1926万 | +3.74% |
| 05/17 | 985 | 998 | 974 | 981 | +0.1% | 1,088,700 | 1909億1092万 | +2.08% |
| 05/14 | （IR情報）13:00 『新ホールディングス設立に向けての中長期経営ビジョン』策定に関するお知らせ |
| 05/14 | （IR情報）13:00 前田建設工業(株)、前田道路(株)および(株)前田製作所の共同持株会社設立(共同株式移転)に関する経営統合契約書の締結および株式移転計画の作成について |
| 05/14 | （IR情報）13:00 2021年3月期決算短信〔日本基準〕(連結) |
| 05/14 | 956 | 987 | 947 | 980 | +4.14% | 1,530,200 | 1907億1631万 | +1.98% |
| 05/13 | 943 | 956 | 936 | 941 | -0.84% | 571,400 | 1831億2658万 | -1.98% |
| 05/12 | 959 | 963 | 937 | 949 | -0.73% | 1,014,700 | 1846億8344万 | -1.35% |
| 05/11 | 975 | 982 | 953 | 956 | -2.55% | 859,600 | 1860億4570万 | -0.73% |
| 05/10 | 974 | 983 | 962 | 981 | +1.24% | 968,200 | 1909億1092万 | +1.87% |
| 05/07 | （IR情報）11:00 業績予想及び配当予想の修正に関するお知らせ |
| 05/07 | 970 | 984 | 954 | 969 | +1.47% | 1,897,500 | 1885億7561万 | +0.73% |
| 05/06 | 932 | 966 | 931 | 955 | +2.36% | 825,900 | 1858億5110万 | -0.83% |
| 04/30 | 925 | 942 | 918 | 933 | +1.19% | 873,400 | 1815億6971万 | -3.32% |
| 04/27 | （IR情報）15:00 役員の異動に関するお知らせ |
