| 2025 |
| 11/25 | (IR情報)15:30 当社株式の上場廃止に関するお知らせ |
| 11/25 | 6,780 | 6,780 | 6,780 | 6,780 | 0% | 100 | 100億3440万 | -0.38% |
| 11/19 | 6,800 | 6,800 | 6,780 | 6,780 | -0.44% | 3,300 | 100億3440万 | -0.43% |
| 11/18 | 6,810 | 6,810 | 6,810 | 6,810 | 0% | 100 | 100億7880万 | -0.01% |
| 11/13 | 6,810 | 6,810 | 6,810 | 6,810 | -0.15% | 100 | 100億7880万 | -0.03% |
| 11/12 | (IR情報)15:30 2026年3月期第2四半期決算説明資料 |
| 11/12 | (IR情報)15:30 2026年3月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 11/12 | 6,820 | 6,820 | 6,820 | 6,820 | +0.15% | 100 | 100億9360万 | +0.1% |
| 11/11 | 6,810 | 6,810 | 6,810 | 6,810 | -0.29% | 200 | 100億7880万 | -0.06% |
| 11/07 | (5%ルール)太平洋セメント(99.96%) |
| 11/05 | 6,830 | 6,830 | 6,830 | 6,830 | +0.29% | 100 | 101億840万 | +0.22% |
| 11/04 | 6,810 | 6,810 | 6,810 | 6,810 | 0% | 600 | 100億7880万 | -0.07% |
| 10/30 | 6,810 | 6,810 | 6,810 | 6,810 | +0.15% | 100 | 100億7880万 | -0.09% |
| 10/27 | (IR情報)15:30 支配株主である太平洋セメント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 |
| 10/24 | 6,800 | 6,800 | 6,800 | 6,800 | 0% | 100 | 100億6400万 | -0.23% |
| 10/23 | 6,800 | 6,800 | 6,800 | 6,800 | 0% | 500 | 100億6400万 | -0.25% |
| 10/20 | 6,800 | 6,800 | 6,800 | 6,800 | 0% | 100 | 100億6400万 | -0.26% |
| 10/10 | 6,820 | 6,820 | 6,800 | 6,800 | 0% | 900 | 100億6400万 | -0.28% |
| 10/09 | 6,800 | 6,800 | 6,800 | 6,800 | +0.15% | 600 | 100億6400万 | -0.29% |
| 10/07 | 6,800 | 6,800 | 6,790 | 6,790 | -0.15% | 300 | 100億4920万 | -0.45% |
| 10/06 | 6,800 | 6,800 | 6,800 | 6,800 | -0.29% | 100 | 100億6400万 | -0.32% |
| 10/03 | 6,810 | 6,820 | 6,810 | 6,820 | +0.29% | 300 | 100億9360万 | -0.06% |
| 10/02 | 6,810 | 6,810 | 6,790 | 6,800 | 0% | 1,300 | 100億6400万 | -0.35% |
| 10/01 | 6,800 | 6,800 | 6,800 | 6,800 | -0.15% | 100 | 100億6400万 | -0.35% |
| 09/30 | 6,810 | 6,810 | 6,810 | 6,810 | +0.15% | 200 | 100億7880万 | -0.22% |
| 09/29 | (IR情報)15:30 (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 |
| 09/29 | 6,800 | 6,800 | 6,800 | 6,800 | -0.29% | 1,200 | 100億6400万 | -0.38% |
| 09/26 | 6,820 | 6,820 | 6,820 | 6,820 | 0% | 200 | 100億9360万 | -0.09% |
| 09/25 | (5%ルール)太平洋セメント(98.04%) |
| 09/25 | (IR情報)14:30 支配株主である太平洋セメント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 |
| 09/25 | 6,800 | 6,820 | 6,770 | 6,820 | +0.29% | 1,800 | 100億9360万 | -0.09% |
| 09/24 | 6,840 | 7,200 | 6,790 | 6,800 | -0.58% | 3,800 | 100億6400万 | -0.38% |
| 09/22 | 6,820 | 6,840 | 6,790 | 6,840 | 0% | 1,100 | 101億2320万 | +0.19% |
| 09/19 | 6,840 | 6,840 | 6,830 | 6,840 | 0% | 300 | 101億2320万 | +0.21% |
| 09/18 | 6,840 | 6,840 | 6,840 | 6,840 | 0% | 1,600 | 101億2320万 | +0.21% |
| 09/17 | 6,830 | 6,840 | 6,830 | 6,840 | +0.15% | 1,500 | 101億2320万 | +0.22% |
| 09/16 | 6,830 | 6,830 | 6,830 | 6,830 | -0.15% | 500 | 101億840万 | +0.43% |
| 09/12 | (IR情報)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 |
| 09/12 | 6,830 | 6,840 | 6,830 | 6,840 | +0.15% | 900 | 101億2320万 | +1.51% |
| 09/11 | 6,830 | 6,830 | 6,830 | 6,830 | 0% | 2,600 | 101億840万 | +2.38% |
| 09/10 | 6,830 | 6,830 | 6,830 | 6,830 | 0% | 9,200 | 101億840万 | +3.44% |
| 09/09 | 6,820 | 6,830 | 6,820 | 6,830 | +0.15% | 1,300 | 101億840万 | +4.48% |
| 09/08 | 6,820 | 6,830 | 6,820 | 6,820 | -0.15% | 800 | 100億9360万 | +5.41% |
| 09/05 | 6,830 | 6,830 | 6,830 | 6,830 | 0% | 200 | 101億840万 | +6.75% |
| 09/04 | 6,820 | 6,830 | 6,820 | 6,830 | +0.15% | 1,400 | 101億840万 | +8.04% |
| 09/03 | 6,830 | 6,830 | 6,820 | 6,820 | 0% | 300 | 100億9360万 | +9.28% |
| 09/02 | 6,830 | 6,830 | 6,820 | 6,820 | -0.15% | 200 | 100億9360万 | +10.71% |
| 09/01 | 6,830 | 6,830 | 6,830 | 6,830 | +0.15% | 1,300 | 101億840万 | +12.39% |
| 08/29 | 6,830 | 6,830 | 6,820 | 6,820 | -0.15% | 900 | 100億9360万 | +13.74% |
| 08/28 | 6,830 | 6,830 | 6,830 | 6,830 | +0.15% | 200 | 101億840万 | +15.51% |
| 08/27 | 6,820 | 6,820 | 6,820 | 6,820 | 0% | 2,200 | 100億9360万 | +17.06% |
| 08/26 | 6,820 | 6,820 | 6,820 | 6,820 | 0% | 1,300 | 100億9360万 | +18.86% |
| 08/25 | 6,820 | 6,820 | 6,820 | 6,820 | 0% | 4,700 | 100億9360万 | +20.64% |
| 08/22 | 6,820 | 6,820 | 6,820 | 6,820 | 0% | 3,600 | 100億9360万 | +22.49% |
| 08/21 | 6,820 | 6,820 | 6,820 | 6,820 | 0% | 1,900 | 100億9360万 | +24.32% |
| 08/20 | 6,820 | 6,820 | 6,820 | 6,820 | 0% | 600 | 100億9360万 | +26.18% |
| 08/19 | 6,820 | 6,820 | 6,820 | 6,820 | 0% | 1,300 | 100億9360万 | +27.98% |
| 08/18 | 6,820 | 6,830 | 6,820 | 6,820 | 0% | 1,200 | 100億9360万 | +29.76% |
| 08/15 | 6,820 | 6,830 | 6,820 | 6,820 | 0% | 4,900 | 100億9360万 | +31.81% |
| 08/14 | 6,820 | 6,830 | 6,820 | 6,820 | 0% | 8,100 | 100億9360万 | +34.01% |
| 08/13 | 6,830 | 6,830 | 6,820 | 6,820 | +9.12% | 38,000 | 100億9360万 | +36.24% |
| 08/12 | 6,250 | 6,250 | 6,250 | 6,250 | +19.05% | 300 | 92億5000万 | +27.03% |
| 08/08 | (IR情報)16:00 2026年3月期配当予想の修正(無配)に関するお知らせ |
| 08/08 | (IR情報)16:00 支配株主である太平洋セメント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 |
| 08/08 | (IR情報)16:00 2026年3月期第1四半期決算説明資料 |
| 08/08 | (IR情報)16:00 2026年3月期第1四半期決算短信〔日本基準〕(連結) |
| 08/08 | 5,170 | 5,250 | 5,170 | 5,250 | +1.55% | 1,000 | 77億7000万 | +8.11% |
| 08/07 | 5,170 | 5,170 | 5,170 | 5,170 | +0.78% | 100 | 76億5160万 | +6.93% |
| 08/05 | 5,070 | 5,150 | 5,070 | 5,130 | -0.77% | 1,400 | 75億9240万 | +6.52% |
| 08/04 | 5,170 | 5,170 | 5,170 | 5,170 | 0% | 200 | 76億5160万 | +7.73% |
| 08/01 | 5,150 | 5,190 | 4,990 | 5,170 | +3.4% | 1,300 | 76億5160万 | +8.11% |
| 07/31 | 5,000 | 5,000 | 5,000 | 5,000 | +1.21% | 100 | 74億 | +4.98% |
| 07/28 | 4,940 | 4,995 | 4,940 | 4,940 | +2.92% | 1,200 | 73億1120万 | +3.96% |
| 07/24 | 4,800 | 4,800 | 4,800 | 4,800 | 0% | 700 | 71億400万 | +1.16% |
| 07/23 | 4,755 | 4,800 | 4,755 | 4,800 | +1.05% | 300 | 71億400万 | +1.16% |
| 07/22 | 4,800 | 4,800 | 4,750 | 4,750 | -0.84% | 300 | 70億3000万 | +0.13% |
| 07/18 | 4,765 | 4,800 | 4,765 | 4,790 | +0.52% | 300 | 70億8920万 | +0.93% |
| 07/15 | 4,795 | 4,795 | 4,665 | 4,765 | +2.36% | 700 | 70億5220万 | +0.51% |
| 07/14 | 4,625 | 4,705 | 4,625 | 4,655 | +0.87% | 800 | 68億8940万 | -1.71% |
| 07/11 | 4,615 | 4,615 | 4,615 | 4,615 | -1.49% | 200 | 68億3020万 | -2.53% |
| 07/10 | 4,690 | 4,690 | 4,650 | 4,685 | -0.32% | 400 | 69億3380万 | -1.01% |
| 07/08 | 4,710 | 4,710 | 4,700 | 4,700 | -1.67% | 300 | 69億5600万 | -0.49% |
| 07/07 | 4,780 | 4,780 | 4,780 | 4,780 | 0% | 100 | 70億7440万 | +1.27% |
| 07/04 | 4,780 | 4,780 | 4,780 | 4,780 | -2.85% | 200 | 70億7440万 | +1.38% |
| 07/01 | 4,920 | 4,920 | 4,920 | 4,920 | -1.4% | 200 | 72億8160万 | +4.61% |
| 06/30 | 4,990 | 4,990 | 4,990 | 4,990 | +4.39% | 100 | 73億8520万 | +6.51% |
| 06/27 | 4,780 | 4,780 | 4,780 | 4,780 | +1.7% | 200 | 70億7440万 | +2.49% |
| 06/26 | 4,680 | 4,700 | 4,680 | 4,700 | -1.05% | 400 | 69億5600万 | +1.05% |
| 06/25 | 4,735 | 4,750 | 4,735 | 4,750 | +1.82% | 300 | 70億3000万 | +2.35% |
| 06/24 | 4,665 | 4,665 | 4,665 | 4,665 | +0.32% | 100 | 69億420万 | +0.89% |
| 06/23 | (IR情報)15:30 支配株主等に関する事項について |
| 06/20 | 4,655 | 4,655 | 4,650 | 4,650 | -1.59% | 400 | 68億8200万 | +0.93% |
| 06/19 | 4,725 | 4,725 | 4,725 | 4,725 | +0.53% | 100 | 69億9300万 | +2.96% |
| 06/18 | 4,700 | 4,700 | 4,700 | 4,700 | 0% | 200 | 69億5600万 | +3% |
| 06/16 | 4,700 | 4,700 | 4,700 | 4,700 | -1.05% | 200 | 69億5600万 | +3.59% |
| 06/12 | 4,750 | 4,750 | 4,750 | 4,750 | +1.28% | 200 | 70億3000万 | +5.34% |
| 06/10 | 4,690 | 4,690 | 4,690 | 4,690 | -0.42% | 200 | 69億4120万 | +4.71% |
| 06/02 | 4,710 | 4,710 | 4,710 | 4,710 | -1.46% | 300 | 69億7080万 | +5.8% |
| 05/30 | 4,720 | 4,780 | 4,710 | 4,780 | -0.21% | 600 | 70億7440万 | +8.07% |
| 05/28 | 4,790 | 4,790 | 4,790 | 4,790 | 0% | 100 | 70億8920万 | +9.26% |
| 05/27 | 4,790 | 4,790 | 4,790 | 4,790 | -0.1% | 100 | 70億8920万 | +9.99% |
| 05/26 | 4,805 | 4,810 | 4,795 | 4,795 | +2.68% | 400 | 70億9660万 | +10.71% |
| 05/23 | 4,630 | 4,680 | 4,630 | 4,670 | +0.86% | 400 | 69億1160万 | +8.25% |
| 05/21 | 4,630 | 4,630 | 4,630 | 4,630 | 0% | 100 | 68億5240万 | +7.62% |
| 05/20 | 4,600 | 4,630 | 4,600 | 4,630 | +1.42% | 200 | 68億5240万 | +7.95% |
| 05/16 | 4,495 | 4,565 | 4,495 | 4,565 | +3.16% | 200 | 67億5620万 | +6.71% |
| 05/15 | 4,350 | 4,425 | 4,350 | 4,425 | -4.43% | 300 | 65億4900万 | +3.73% |
| 05/14 | (IR情報)15:30 定款の一部変更に関するお知らせ |
| 05/14 | (IR情報)15:30 剰余金の配当(期末配当)に関するお知らせ |
| 05/14 | (IR情報)15:30 2025年3月期決算説明資料 |
| 05/14 | (IR情報)15:30 2025年3月期決算短信[日本基準](連結) |
| 05/14 | 4,650 | 4,650 | 4,630 | 4,630 | -0.43% | 300 | 68億5240万 | +8.63% |
| 05/13 | 4,480 | 4,650 | 4,480 | 4,650 | +3.79% | 800 | 68億8200万 | +9.49% |
| 05/09 | 4,470 | 4,480 | 4,470 | 4,480 | +0.22% | 300 | 66億3040万 | +5.84% |
| 05/07 | 4,470 | 4,470 | 4,470 | 4,470 | 0% | 100 | 66億1560万 | +5.72% |
| 05/02 | 4,410 | 4,470 | 4,410 | 4,470 | 0% | 300 | 66億1560万 | +5.85% |
| 05/01 | 4,470 | 4,470 | 4,470 | 4,470 | +0.56% | 200 | 66億1560万 | +6.05% |
| 04/30 | 4,445 | 4,445 | 4,445 | 4,445 | +2.89% | 200 | 65億7860万 | +5.63% |