| 2023 |
| 08/18 | （IR情報）15:00 当社株式の上場廃止のお知らせ |
| 08/18 | 4,690 | 4,690 | 4,690 | 4,690 | -0.11% | 200 | 85億339万 | -0.02% |
| 08/17 | 4,695 | 4,695 | 4,695 | 4,695 | +0.11% | 100 | 85億1245万 | +0.09% |
| 08/14 | 4,690 | 4,690 | 4,690 | 4,690 | 0% | 400 | 85億339万 | -0.02% |
| 08/10 | 4,690 | 4,690 | 4,690 | 4,690 | 0% | 200 | 85億339万 | -0.02% |
| 08/08 | 4,690 | 4,690 | 4,690 | 4,690 | 0% | 500 | 85億339万 | -0.02% |
| 08/07 | 4,690 | 4,690 | 4,690 | 4,690 | 0% | 2,200 | 85億339万 | -0.02% |
| 08/04 | （IR情報）14:30 2024年3月期第1四半期決算短信[日本基準](連結) |
| 08/03 | 4,690 | 4,690 | 4,690 | 4,690 | 0% | 300 | 85億339万 | -0.04% |
| 08/02 | 4,690 | 4,690 | 4,690 | 4,690 | 0% | 300 | 85億339万 | -0.04% |
| 08/01 | 4,695 | 4,695 | 4,690 | 4,690 | -0.11% | 300 | 85億339万 | -0.04% |
| 07/31 | 4,695 | 4,695 | 4,695 | 4,695 | +0.11% | 200 | 85億1245万 | +0.06% |
| 07/28 | 4,690 | 4,690 | 4,690 | 4,690 | 0% | 600 | 85億339万 | -0.04% |
| 07/27 | 4,690 | 4,690 | 4,690 | 4,690 | 0% | 2,200 | 85億339万 | -0.06% |
| 07/26 | 4,690 | 4,690 | 4,690 | 4,690 | 0% | 600 | 85億339万 | -0.06% |
| 07/25 | 4,690 | 4,690 | 4,690 | 4,690 | 0% | 2,300 | 85億339万 | -0.06% |
| 07/24 | 4,690 | 4,690 | 4,690 | 4,690 | 0% | 600 | 85億339万 | -0.06% |
| 07/21 | （IR情報）15:00 堺化学工業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 |
| 07/21 | 4,690 | 4,690 | 4,690 | 4,690 | +0.11% | 200 | 85億339万 | -0.06% |
| 07/18 | 4,690 | 4,690 | 4,685 | 4,685 | 0% | 200 | 84億9432万 | -0.17% |
| 07/14 | 4,685 | 4,690 | 4,685 | 4,685 | -0.11% | 2,200 | 84億9432万 | -0.17% |
| 07/13 | （IR情報）15:00 支配株主である堺化学工業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 |
| 07/13 | 4,685 | 4,690 | 4,685 | 4,690 | +0.11% | 200 | 85億339万 | -0.09% |
| 07/12 | 4,685 | 4,685 | 4,685 | 4,685 | -0.11% | 300 | 84億9432万 | -0.19% |
| 07/11 | 4,695 | 4,695 | 4,690 | 4,690 | -0.11% | 200 | 85億339万 | -0.09% |
| 07/06 | 4,695 | 4,695 | 4,695 | 4,695 | 0% | 200 | 85億1245万 | +0.02% |
| 07/05 | 4,700 | 4,700 | 4,695 | 4,695 | 0% | 400 | 85億1245万 | +0.02% |
| 07/04 | 4,695 | 4,695 | 4,695 | 4,695 | 0% | 1,500 | 85億1245万 | +0.02% |
| 07/03 | 4,695 | 4,695 | 4,695 | 4,695 | +0.11% | 400 | 85億1245万 | +0.04% |
| 06/29 | 4,695 | 4,695 | 4,690 | 4,690 | -0.11% | 1,500 | 85億339万 | -0.06% |
| 06/28 | （IR情報）13:30 上場維持基準の適合状況について |
| 06/27 | 4,695 | 4,695 | 4,695 | 4,695 | -0.11% | 100 | 85億1245万 | +0.04% |
| 06/26 | 4,695 | 4,700 | 4,695 | 4,700 | +0.11% | 900 | 85億2152万 | +0.15% |
| 06/23 | 4,695 | 4,695 | 4,695 | 4,695 | 0% | 300 | 85億1245万 | +0.04% |
| 06/22 | 4,695 | 4,695 | 4,695 | 4,695 | 0% | 4,900 | 85億1245万 | +0.06% |
| 06/21 | 4,695 | 4,695 | 4,690 | 4,695 | 0% | 5,600 | 85億1245万 | +0.06% |
| 06/20 | 4,695 | 4,695 | 4,695 | 4,695 | 0% | 200 | 85億1245万 | +0.06% |
| 06/19 | 4,700 | 4,700 | 4,695 | 4,695 | -0.11% | 1,400 | 85億1245万 | +0.06% |
| 06/16 | 4,695 | 4,700 | 4,695 | 4,700 | +0.11% | 3,400 | 85億2152万 | +0.71% |
| 06/15 | 4,695 | 4,695 | 4,695 | 4,695 | 0% | 12,700 | 85億1245万 | +1.73% |
| 06/14 | 4,695 | 4,695 | 4,695 | 4,695 | 0% | 600 | 85億1245万 | +2.71% |
| 06/13 | 4,695 | 4,695 | 4,690 | 4,695 | +0.11% | 1,000 | 85億1245万 | +3.99% |
| 06/12 | 4,690 | 4,695 | 4,690 | 4,690 | -0.11% | 4,800 | 85億339万 | +5.18% |
| 06/09 | 4,695 | 4,695 | 4,690 | 4,695 | +0.11% | 1,400 | 85億1245万 | +6.58% |
| 06/08 | 4,695 | 4,695 | 4,690 | 4,690 | -0.11% | 800 | 85億339万 | +7.82% |
| 06/07 | 4,695 | 4,695 | 4,695 | 4,695 | +0.11% | 400 | 85億1245万 | +9.29% |
| 06/06 | 4,695 | 4,695 | 4,690 | 4,690 | 0% | 1,000 | 85億339万 | +10.53% |
| 06/05 | 4,695 | 4,695 | 4,690 | 4,690 | 0% | 10,400 | 85億339万 | +11.93% |
| 06/02 | 4,690 | 4,690 | 4,690 | 4,690 | 0% | 1,100 | 85億339万 | +13.34% |
| 06/01 | 4,695 | 4,695 | 4,690 | 4,690 | -0.11% | 400 | 85億339万 | +14.81% |
| 05/31 | 4,690 | 4,695 | 4,690 | 4,695 | +0.11% | 2,300 | 85億1245万 | +16.39% |
| 05/30 | 4,690 | 4,690 | 4,690 | 4,690 | 0% | 7,800 | 85億339万 | +17.81% |
| 05/29 | 4,690 | 4,695 | 4,690 | 4,690 | 0% | 16,600 | 85億339万 | +19.37% |
| 05/26 | 4,690 | 4,695 | 4,690 | 4,690 | 0% | 6,000 | 85億339万 | +20.97% |
| 05/25 | 4,690 | 4,695 | 4,690 | 4,690 | 0% | 10,300 | 85億339万 | +22.58% |
| 05/24 | 4,690 | 4,695 | 4,690 | 4,690 | 0% | 3,200 | 85億339万 | +24.21% |
| 05/23 | 4,690 | 4,695 | 4,690 | 4,690 | 0% | 10,800 | 85億339万 | +25.97% |
| 05/22 | 4,690 | 4,695 | 4,690 | 4,690 | 0% | 47,800 | 85億339万 | +27.76% |
| 05/19 | 4,690 | 4,695 | 4,690 | 4,690 | 0% | 13,700 | 85億339万 | +29.56% |
| 05/18 | 4,690 | 4,695 | 4,690 | 4,690 | 0% | 22,100 | 85億339万 | +31.48% |
| 05/17 | 4,690 | 4,695 | 4,690 | 4,690 | 0% | 30,400 | 85億339万 | +33.47% |
| 05/16 | 4,690 | 4,695 | 4,690 | 4,690 | +14.81% | 64,100 | 85億339万 | +35.59% |
| 05/15 | （IR情報）15:30 (訂正)「支配株主である堺化学工業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」の一部訂正に関するお知らせ |
| 05/15 | 4,085 | 4,085 | 4,085 | 4,085 | +20.68% | 2,000 | 74億647万 | +19.9% |
| 05/12 | （IR情報）16:30 支配株主である堺化学工業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 |
| 05/12 | （IR情報）16:30 2024年3月期配当予想の修正(無配)に関するお知らせ |
| 05/12 | （IR情報）16:30 特別損失計上に伴う2024年3月期第2四半期(累計)及び通期連結業績予想の修正に関するお知らせ |
| 05/12 | 3,330 | 3,385 | 3,195 | 3,385 | -5.71% | 4,600 | 61億3730万 | +0.18% |
| 05/11 | （IR情報）15:00 会計監査人の異動に関するお知らせ |
| 05/11 | （IR情報）15:00 役員の異動に関するお知らせ |
| 05/11 | （IR情報）15:00 支配株主等に関する事項について |
| 05/11 | （IR情報）15:00 2023年3月期決算短信[日本基準〕(連結) |
| 05/11 | 3,295 | 3,590 | 3,295 | 3,590 | +8.95% | 2,900 | 65億899万 | +6.28% |
| 05/10 | 3,260 | 3,295 | 3,260 | 3,295 | -0.45% | 1,000 | 59億7413万 | -2.2% |
| 05/09 | 3,330 | 3,330 | 3,300 | 3,310 | -0.6% | 700 | 60億132万 | -1.87% |
| 05/08 | 3,320 | 3,370 | 3,320 | 3,330 | +0.3% | 1,700 | 60億3758万 | -1.39% |
| 05/02 | 3,305 | 3,320 | 3,300 | 3,320 | -0.9% | 800 | 60億1945万 | -1.75% |
| 05/01 | 3,300 | 3,350 | 3,300 | 3,350 | -0.59% | 300 | 60億7385万 | -0.92% |
| 04/28 | 3,370 | 3,370 | 3,370 | 3,370 | 0% | 300 | 61億1011万 | -0.33% |
| 04/26 | 3,370 | 3,370 | 3,370 | 3,370 | -0.15% | 100 | 61億1011万 | -0.38% |
| 04/25 | 3,375 | 3,375 | 3,375 | 3,375 | 0% | 100 | 61億1917万 | -0.3% |
| 04/24 | 3,375 | 3,375 | 3,375 | 3,375 | -1.17% | 100 | 61億1917万 | -0.35% |
| 04/21 | 3,410 | 3,420 | 3,410 | 3,415 | +1.34% | 400 | 61億9170万 | +0.86% |
| 04/20 | 3,360 | 3,370 | 3,360 | 3,370 | -0.3% | 500 | 61億1011万 | -0.41% |
| 04/19 | 3,380 | 3,380 | 3,380 | 3,380 | -0.29% | 100 | 61億2824万 | -0.09% |
| 04/18 | 3,390 | 3,390 | 3,390 | 3,390 | -1.02% | 100 | 61億4637万 | +0.3% |
| 04/17 | 3,425 | 3,425 | 3,425 | 3,425 | 0% | 100 | 62億983万 | +1.42% |
| 04/12 | 3,390 | 3,425 | 3,390 | 3,425 | +1.33% | 1,000 | 62億983万 | +1.48% |
| 04/11 | 3,380 | 3,380 | 3,380 | 3,380 | -0.29% | 200 | 61億2824万 | +0.21% |
| 04/05 | 3,390 | 3,390 | 3,390 | 3,390 | -0.29% | 100 | 61億4637万 | +0.56% |
| 04/04 | 3,400 | 3,400 | 3,400 | 3,400 | +0.89% | 100 | 61億6450万 | +1.01% |
| 04/03 | 3,370 | 3,410 | 3,370 | 3,370 | 0% | 800 | 61億1011万 | +0.33% |
| 03/30 | 3,370 | 3,370 | 3,370 | 3,370 | +1.51% | 100 | 61億1011万 | +0.48% |
| 03/24 | 3,320 | 3,320 | 3,320 | 3,320 | -1.78% | 100 | 60億1945万 | -0.93% |
| 03/23 | 3,350 | 3,380 | 3,350 | 3,380 | -0.44% | 200 | 61億2824万 | +0.96% |
| 03/22 | 3,425 | 3,425 | 3,360 | 3,395 | +1.19% | 400 | 61億5544万 | +1.56% |
| 03/20 | 3,375 | 3,375 | 3,355 | 3,355 | -0.45% | 300 | 60億8291万 | +0.48% |
| 03/17 | 3,370 | 3,370 | 3,370 | 3,370 | -0.88% | 200 | 61億1011万 | +0.99% |
| 03/16 | 3,285 | 3,400 | 3,285 | 3,400 | +0.15% | 1,100 | 61億6450万 | +1.98% |
| 03/15 | 3,390 | 3,395 | 3,390 | 3,395 | +0.59% | 200 | 61億5544万 | +1.83% |
| 03/14 | 3,385 | 3,420 | 3,280 | 3,375 | -0.3% | 2,300 | 61億1917万 | +1.5% |
| 03/13 | 3,320 | 3,405 | 3,315 | 3,385 | +1.04% | 1,300 | 61億3730万 | +2.11% |
| 03/10 | 3,410 | 3,410 | 3,325 | 3,350 | -1.9% | 600 | 60億7385万 | +1.45% |
| 03/09 | 3,415 | 3,415 | 3,415 | 3,415 | -0.15% | 100 | 61億9170万 | +3.8% |
| 03/08 | 3,425 | 3,425 | 3,420 | 3,420 | +0.15% | 200 | 62億76万 | +4.43% |
| 03/07 | 3,385 | 3,430 | 3,385 | 3,415 | +1.49% | 800 | 61億9170万 | +4.79% |
| 03/06 | 3,345 | 3,365 | 3,345 | 3,365 | +0.15% | 200 | 61億104万 | +3.76% |
| 03/03 | 3,335 | 3,360 | 3,335 | 3,360 | +0.75% | 700 | 60億9198万 | +4.09% |
| 03/01 | 3,335 | 3,335 | 3,335 | 3,335 | +0.45% | 100 | 60億4665万 | +3.76% |
| 02/28 | 3,320 | 3,320 | 3,320 | 3,320 | +0.3% | 200 | 60億1945万 | +3.72% |
| 02/27 | 3,325 | 3,325 | 3,310 | 3,310 | -2.07% | 300 | 60億132万 | +3.89% |
| 02/24 | 3,450 | 3,450 | 3,380 | 3,380 | 0% | 600 | 61億2824万 | +6.52% |
| 02/22 | 3,380 | 3,380 | 3,380 | 3,380 | +2.11% | 200 | 61億2824万 | +7.03% |
