| 2026 |
| 10/06 | 2,400 | 2,400 | 2,320 | 2,320 | -3.33% | 8,100 | - | -5.38% |
| 10/05 | 2,429 | 2,429 | 2,361 | 2,400 | -1.28% | 1,300 | - | -2.32% |
| 10/01 | 2,381 | 2,431 | 2,381 | 2,431 | +1.29% | 800 | - | -1.14% |
| 09/30 | 2,410 | 2,410 | 2,400 | 2,400 | -0.41% | 300 | - | -2.44% |
| 09/29 | 2,410 | 2,410 | 2,410 | 2,410 | 0% | 100 | - | -2.07% |
| 09/28 | 2,461 | 2,461 | 2,410 | 2,410 | -1.95% | 2,000 | - | -2.11% |
| 09/25 | 2,460 | 2,475 | 2,458 | 2,458 | 0% | 500 | - | -0.12% |
| 09/24 | 2,499 | 2,499 | 2,458 | 2,458 | -0.89% | 1,100 | - | -0.12% |
| 09/18 | 2,399 | 2,480 | 2,399 | 2,480 | +3.59% | 1,200 | - | +0.81% |
| 09/17 | 2,378 | 2,399 | 2,378 | 2,394 | +1.44% | 1,200 | - | -2.68% |
| 09/16 | 2,357 | 2,360 | 2,357 | 2,360 | +0.13% | 700 | - | -4.18% |
| 09/15 | 2,351 | 2,357 | 2,351 | 2,357 | -1.79% | 300 | - | -4.54% |
| 09/14 | 2,378 | 2,400 | 2,361 | 2,400 | +1.27% | 5,000 | - | -2.91% |
| 09/11 | 2,400 | 2,400 | 2,257 | 2,370 | -7.1% | 11,100 | - | -4.16% |
| 09/10 | (IR情報)15:30 2027年1月期第2四半期(中間期)決算短信〔日本基準〕(非連結) |
| 09/10 | 2,501 | 2,575 | 2,481 | 2,551 | +1.59% | 5,300 | - | +3.03% |
| 09/09 | 2,510 | 2,511 | 2,481 | 2,511 | +0.04% | 900 | - | +1.66% |
| 09/08 | 2,558 | 2,558 | 2,475 | 2,510 | -1.95% | 3,900 | - | +1.74% |
| 09/07 | 2,575 | 2,575 | 2,557 | 2,560 | +0.39% | 900 | - | +3.94% |
| 09/04 | 2,549 | 2,550 | 2,549 | 2,550 | +2.04% | 700 | - | +3.74% |
| 09/03 | 2,499 | 2,499 | 2,499 | 2,499 | +1.13% | 300 | - | +1.92% |
| 09/02 | 2,527 | 2,527 | 2,460 | 2,471 | -2.22% | 1,600 | - | +0.94% |
| 09/01 | 2,541 | 2,541 | 2,522 | 2,527 | +0.28% | 500 | - | +3.31% |
| 08/31 | 2,521 | 2,524 | 2,510 | 2,520 | +0.8% | 1,100 | - | +3.15% |
| 08/28 | 2,482 | 2,500 | 2,482 | 2,500 | +2% | 200 | - | +2.5% |
| 08/27 | 2,451 | 2,451 | 2,451 | 2,451 | +0.04% | 300 | - | +0.66% |
| 08/26 | 2,450 | 2,450 | 2,450 | 2,450 | 0% | 200 | - | +0.7% |
| 08/25 | 2,443 | 2,450 | 2,437 | 2,450 | +0.29% | 1,000 | - | +0.78% |
| 08/24 | 2,446 | 2,450 | 2,443 | 2,443 | +0.25% | 800 | - | +0.53% |
| 08/21 | 2,430 | 2,480 | 2,430 | 2,437 | +0.29% | 500 | - | +0.37% |
| 08/20 | 2,450 | 2,450 | 2,430 | 2,430 | +1.25% | 500 | - | +0.08% |
| 08/19 | 2,432 | 2,432 | 2,400 | 2,400 | -1.56% | 1,200 | - | -1.11% |
| 08/18 | 2,434 | 2,464 | 2,434 | 2,438 | -0.16% | 800 | - | +0.45% |
| 08/17 | 2,441 | 2,466 | 2,433 | 2,442 | -1.13% | 2,400 | - | +0.62% |
| 08/14 | 2,461 | 2,470 | 2,461 | 2,470 | -0.76% | 200 | - | +1.77% |
| 08/13 | 2,486 | 2,500 | 2,486 | 2,489 | -0.32% | 500 | - | +2.51% |
| 08/12 | 2,450 | 2,561 | 2,450 | 2,497 | +2.55% | 4,900 | - | +2.97% |
| 08/10 | 2,450 | 2,450 | 2,434 | 2,435 | +0.04% | 700 | - | +0.58% |
| 08/07 | 2,434 | 2,434 | 2,434 | 2,434 | +0.37% | 52,400 | - | +0.58% |
| 08/06 | (IR情報)16:00 「令和8年熊本地震」で被災された方々への支援について |
| 08/06 | 2,424 | 2,425 | 2,394 | 2,425 | +0.29% | 600 | - | +0.21% |
| 08/05 | 2,419 | 2,419 | 2,418 | 2,418 | -0.29% | 300 | - | -0.04% |
| 08/03 | 2,425 | 2,425 | 2,425 | 2,425 | 0% | 600 | - | +0.21% |
| 07/31 | 2,425 | 2,425 | 2,425 | 2,425 | 0% | 100 | - | +0.21% |
| 07/29 | 2,449 | 2,450 | 2,425 | 2,425 | +1.04% | 1,700 | - | +0.08% |
| 07/28 | 2,408 | 2,415 | 2,399 | 2,400 | -0.33% | 19,700 | - | -1.03% |
| 07/27 | 2,416 | 2,416 | 2,408 | 2,408 | +0.08% | 1,100 | - | -0.86% |
| 07/24 | 2,460 | 2,460 | 2,406 | 2,406 | -2.2% | 600 | - | -1.15% |
| 07/23 | 2,465 | 2,465 | 2,460 | 2,460 | +1.32% | 300 | - | +0.86% |
| 07/22 | 2,427 | 2,428 | 2,427 | 2,428 | +1.51% | 200 | - | -0.65% |
| 07/21 | 2,388 | 2,398 | 2,388 | 2,392 | -0.25% | 1,200 | - | -2.25% |
| 07/17 | 2,400 | 2,400 | 2,350 | 2,398 | -0.29% | 1,400 | - | -2.2% |
| 07/15 | 2,405 | 2,405 | 2,405 | 2,405 | -0.21% | 100 | - | -2.08% |
| 07/13 | 2,402 | 2,413 | 2,400 | 2,410 | +0.37% | 1,400 | - | -1.87% |
| 07/10 | 2,476 | 2,476 | 2,401 | 2,401 | -1.07% | 900 | - | -2.44% |
| 07/09 | 2,467 | 2,467 | 2,427 | 2,427 | +0.04% | 200 | - | -1.54% |
| 07/08 | 2,417 | 2,427 | 2,417 | 2,426 | +1.08% | 300 | - | -1.62% |
| 07/07 | 2,423 | 2,423 | 2,400 | 2,400 | -1.6% | 1,000 | - | -2.64% |
| 07/06 | 2,429 | 2,439 | 2,389 | 2,439 | +0.41% | 1,000 | - | -1.09% |
| 07/03 | 2,448 | 2,448 | 2,383 | 2,429 | -2.76% | 800 | - | -1.58% |
| 07/02 | 2,360 | 2,498 | 2,348 | 2,498 | +3.65% | 1,400 | - | +1.05% |
| 07/01 | 2,410 | 2,410 | 2,410 | 2,410 | 0% | 200 | - | -2.55% |
| 06/29 | 2,382 | 2,410 | 2,360 | 2,410 | +0.42% | 700 | - | -2.7% |
| 06/26 | 2,443 | 2,443 | 2,400 | 2,400 | -1.23% | 1,300 | - | -3.3% |
| 06/25 | 2,413 | 2,439 | 2,350 | 2,430 | +1.17% | 2,700 | - | -2.21% |
| 06/24 | 2,440 | 2,440 | 2,402 | 2,402 | -1.56% | 1,100 | - | -3.38% |
| 06/23 | 2,437 | 2,444 | 2,357 | 2,440 | +0.12% | 2,500 | - | -1.89% |
| 06/22 | 2,480 | 2,480 | 2,425 | 2,437 | -2.13% | 2,400 | - | -2.21% |
| 06/19 | 2,490 | 2,490 | 2,490 | 2,490 | 0% | 300 | - | -0.16% |
| 06/18 | 2,490 | 2,490 | 2,490 | 2,490 | +0.32% | 300 | - | -0.4% |
| 06/17 | 2,499 | 2,500 | 2,481 | 2,482 | -1.9% | 2,800 | - | -0.92% |
| 06/16 | 2,541 | 2,541 | 2,483 | 2,530 | -0.43% | 800 | - | +0.84% |
| 06/15 | 2,644 | 2,645 | 2,541 | 2,541 | -2.08% | 2,000 | - | +1.24% |
| 06/12 | 2,540 | 2,595 | 2,540 | 2,595 | +3.72% | 5,800 | - | +3.35% |
| 06/11 | (IR情報)15:30 2027年1月期第1四半期決算短信〔日本基準〕(非連結) |
| 06/11 | (IR情報)15:30 JICA事業に伴う「河川掘削泥土再利用システム技術セミナー」開催 |
| 06/11 | 2,500 | 2,502 | 2,449 | 2,502 | -0.04% | 2,400 | - | -0.28% |
| 06/10 | 2,503 | 2,503 | 2,503 | 2,503 | 0% | 200 | - | -0.32% |
| 06/09 | 2,463 | 2,533 | 2,463 | 2,503 | +3.73% | 600 | - | -0.36% |
| 06/08 | 2,485 | 2,485 | 2,399 | 2,413 | -4.51% | 1,200 | - | -3.86% |
| 06/05 | 2,512 | 2,533 | 2,500 | 2,527 | +1.49% | 3,000 | - | +0.48% |
| 06/04 | 2,487 | 2,500 | 2,480 | 2,490 | +1.18% | 900 | - | -1.07% |
| 06/03 | 2,461 | 2,461 | 2,461 | 2,461 | +2.07% | 300 | - | -2.26% |
| 06/02 | 2,409 | 2,411 | 2,409 | 2,411 | 0% | 400 | - | -4.33% |
| 06/01 | 2,501 | 2,501 | 2,411 | 2,411 | -3.6% | 800 | - | -4.48% |
| 05/29 | 2,523 | 2,523 | 2,501 | 2,501 | -0.95% | 400 | - | -1.07% |
| 05/28 | 2,542 | 2,542 | 2,490 | 2,525 | -0.04% | 1,300 | - | -0.12% |
| 05/27 | 2,549 | 2,549 | 2,501 | 2,526 | +1.08% | 1,600 | - | +0.08% |
| 05/26 | 2,583 | 2,583 | 2,498 | 2,499 | -1.92% | 16,500 | - | -0.95% |
| 05/25 | 2,520 | 2,548 | 2,501 | 2,548 | +3.12% | 1,200 | - | +0.91% |
| 05/22 | (IR情報)15:30 役員の異動に関するお知らせ |
| 05/22 | (IR情報)15:30 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 |
| 05/22 | 2,512 | 2,562 | 2,469 | 2,471 | +0.37% | 1,300 | - | -2.02% |
| 05/21 | 2,430 | 2,462 | 2,430 | 2,462 | +1.36% | 600 | - | -2.46% |
| 05/20 | 2,585 | 2,585 | 2,420 | 2,429 | -4.48% | 4,000 | - | -3.88% |
| 05/19 | 2,550 | 2,550 | 2,504 | 2,543 | +1.72% | 1,100 | - | +0.59% |
| 05/18 | 2,638 | 2,638 | 2,499 | 2,500 | -5.23% | 3,100 | - | -0.99% |
| 05/15 | 2,630 | 2,642 | 2,610 | 2,638 | +1.07% | 1,300 | - | +4.6% |
| 05/14 | 2,600 | 2,630 | 2,580 | 2,610 | +1.16% | 5,300 | - | +3.86% |
| 05/13 | 2,600 | 2,602 | 2,580 | 2,580 | +0.7% | 1,500 | - | +2.95% |
| 05/12 | 2,572 | 2,579 | 2,562 | 2,562 | +0.12% | 600 | - | +2.48% |
| 05/11 | 2,580 | 2,594 | 2,559 | 2,559 | 0% | 900 | - | +2.57% |
| 05/08 | 2,574 | 2,574 | 2,557 | 2,559 | +0.35% | 1,100 | - | +2.81% |
| 05/07 | 2,576 | 2,576 | 2,550 | 2,550 | +0.95% | 1,700 | - | +2.78% |
| 05/01 | 2,511 | 2,552 | 2,460 | 2,526 | +2.64% | 1,600 | - | +2.06% |
| 04/30 | 2,534 | 2,534 | 2,460 | 2,461 | -2.88% | 2,900 | - | -0.44% |
| 04/23 | (IR情報)15:30 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 |