| 2026 |
| 03/06 | 395 | 406 | 395 | 405 | +2.27% | 2,700 | 46億1806万 | -1.7% |
| 03/05 | (IR情報)13:00 VICTAM ASIA 2026への出展のお知らせ |
| 03/05 | 400 | 400 | 396 | 396 | +0.25% | 2,300 | 45億1544万 | -3.88% |
| 03/04 | 393 | 400 | 378 | 395 | -1.25% | 12,600 | 45億404万 | -4.36% |
| 03/03 | 408 | 408 | 395 | 400 | -3.15% | 16,200 | 45億6105万 | -3.38% |
| 03/02 | 403 | 415 | 400 | 413 | +0.49% | 19,200 | 47億928万 | -0.24% |
| 02/27 | (IR情報)16:00 「災害時避難場所の利用に関する覚書」の締結について |
| 02/27 | 412 | 414 | 410 | 411 | +1.23% | 10,100 | 46億8648万 | -0.48% |
| 02/26 | 402 | 406 | 401 | 406 | +1% | 1,900 | 46億2947万 | -1.93% |
| 02/25 | 402 | 405 | 400 | 402 | 0% | 1,800 | 45億8385万 | -2.9% |
| 02/24 | 397 | 403 | 392 | 402 | +0.5% | 15,200 | 45億8385万 | -3.13% |
| 02/20 | 418 | 418 | 379 | 400 | -4.31% | 45,400 | 45億6105万 | -3.61% |
| 02/19 | 419 | 429 | 413 | 418 | -0.48% | 3,000 | 47億6630万 | +0.72% |
| 02/18 | 410 | 424 | 410 | 420 | +3.96% | 17,300 | 47億8910万 | +1.2% |
| 02/17 | 403 | 407 | 400 | 404 | +0.5% | 6,200 | 46億666万 | -2.18% |
| 02/16 | 400 | 403 | 400 | 402 | 0% | 2,700 | 45億8385万 | -2.43% |
| 02/13 | 389 | 404 | 380 | 402 | -4.51% | 48,800 | 45億8385万 | -2.19% |
| 02/12 | (IR情報)16:00 2026年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/12 | 426 | 440 | 411 | 421 | -0.94% | 54,900 | 48億50万 | +2.68% |
| 02/10 | 420 | 429 | 416 | 425 | +2.41% | 21,700 | 48億4612万 | +4.17% |
| 02/09 | 418 | 423 | 412 | 415 | -0.72% | 10,100 | 47億3209万 | +2.47% |
| 02/06 | 422 | 422 | 416 | 418 | -1.42% | 4,200 | 47億6630万 | +3.72% |
| 02/05 | 428 | 428 | 422 | 424 | +0.47% | 1,900 | 48億3471万 | +6% |
| 02/04 | 425 | 427 | 422 | 422 | -0.24% | 5,500 | 48億1191万 | +6.3% |
| 02/03 | 423 | 430 | 422 | 423 | 0% | 14,500 | 48億2331万 | +7.63% |
| 02/02 | 422 | 426 | 416 | 423 | +1.2% | 8,600 | 48億2331万 | +8.74% |
| 01/30 | (IR情報)16:00 「技術開発センター(M-TECH)」引き渡し完了のお知らせ |
| 01/30 | 421 | 422 | 410 | 418 | -1.42% | 4,500 | 47億6630万 | +8.29% |
| 01/29 | 421 | 424 | 419 | 424 | -0.47% | 3,500 | 48億3471万 | +10.99% |
| 01/28 | 427 | 433 | 422 | 426 | +1.19% | 41,400 | 48億5752万 | +12.7% |
| 01/27 | (IR情報)13:00 『防災産業展2026』出展のお知らせ |
| 01/27 | 405 | 421 | 405 | 421 | +4.47% | 25,700 | 48億50万 | +12.57% |
| 01/26 | 402 | 408 | 401 | 403 | +0.25% | 5,300 | 45億9526万 | +8.63% |
| 01/23 | 403 | 406 | 400 | 402 | -0.5% | 3,900 | 45億8385万 | +8.94% |
| 01/22 | 414 | 419 | 400 | 404 | -3.12% | 15,200 | 46億666万 | +10.38% |
| 01/21 | 421 | 421 | 412 | 417 | -1.18% | 3,000 | 47億5489万 | +14.56% |
| 01/20 | 414 | 426 | 414 | 422 | 0% | 19,200 | 48億1191万 | +16.9% |
| 01/19 | 409 | 426 | 404 | 422 | +5.24% | 72,500 | 48億1191万 | +17.88% |
| 01/16 | 411 | 414 | 398 | 401 | -1.96% | 19,700 | 45億7245万 | +12.96% |
| 01/15 | 402 | 410 | 399 | 409 | +2.25% | 26,500 | 46億6367万 | +15.86% |
| 01/14 | 383 | 405 | 382 | 400 | +4.44% | 152,300 | 45億6105万 | +13.96% |
| 01/13 | 378 | 383 | 375 | 383 | +2.13% | 14,600 | 43億6720万 | +9.74% |
| 01/09 | 370 | 375 | 365 | 375 | +1.35% | 13,400 | 42億7598万 | +7.76% |
| 01/08 | 374 | 374 | 366 | 370 | -1.07% | 9,400 | 42億1897万 | +6.63% |
| 01/07 | 369 | 374 | 365 | 374 | +1.08% | 15,300 | 42億6458万 | +7.78% |
| 01/06 | 361 | 371 | 361 | 370 | +2.21% | 12,500 | 42億1897万 | +6.94% |
| 01/05 | 363 | 364 | 357 | 362 | +1.97% | 5,500 | 41億2775万 | +4.62% |
| 2025 |
| 12/30 | 351 | 368 | 336 | 355 | +0.28% | 17,500 | 40億4793万 | +2.6% |
| 12/29 | 348 | 354 | 345 | 354 | +2.91% | 10,200 | 40億3653万 | +2.02% |
| 12/26 | 339 | 344 | 334 | 344 | +3.93% | 19,700 | 39億2250万 | -1.15% |
| 12/25 | 328 | 340 | 325 | 331 | +1.22% | 14,100 | 37億7427万 | -5.16% |
| 12/24 | 324 | 327 | 324 | 327 | 0% | 10,400 | 37億2866万 | -6.57% |
| 12/23 | 323 | 328 | 323 | 327 | +1.87% | 6,500 | 37億2866万 | -6.84% |
| 12/22 | 316 | 322 | 313 | 321 | -0.62% | 15,300 | 36億6024万 | -8.81% |
| 12/19 | 327 | 330 | 317 | 323 | -2.12% | 17,100 | 36億8305万 | -8.5% |
| 12/18 | 337 | 337 | 328 | 330 | -4.35% | 9,200 | 37億6286万 | -7.04% |
| 12/17 | 346 | 346 | 343 | 345 | 0% | 1,900 | 39億3390万 | -3.36% |
| 12/16 | 346 | 346 | 342 | 345 | -0.29% | 1,200 | 39億3390万 | -3.63% |
| 12/15 | 341 | 346 | 340 | 346 | +1.47% | 5,800 | 39億4531万 | -3.62% |
| 12/12 | (IR情報)16:00 米国における合弁会社「JKB MEIJI MACHINE LLC」設立に関するお知らせ |
| 12/12 | 347 | 347 | 335 | 341 | 0% | 8,400 | 38億8829万 | -5.54% |
| 12/11 | 344 | 344 | 339 | 341 | -1.45% | 1,800 | 38億8829万 | -6.06% |
| 12/10 | 349 | 350 | 335 | 346 | -1.14% | 9,700 | 39億4531万 | -4.95% |
| 12/09 | 352 | 352 | 350 | 350 | -0.57% | 6,600 | 39億9092万 | -4.11% |
| 12/08 | 356 | 356 | 350 | 352 | -0.85% | 2,700 | 40億1372万 | -3.56% |
| 12/05 | 351 | 355 | 351 | 355 | +0.57% | 1,000 | 40億4793万 | -3.01% |
| 12/04 | 349 | 357 | 349 | 353 | +0.28% | 9,100 | 40億2513万 | -3.55% |
| 12/03 | 355 | 360 | 352 | 352 | -2.22% | 6,600 | 40億1372万 | -3.83% |
| 12/02 | 360 | 360 | 351 | 360 | 0% | 2,900 | 41億494万 | -1.91% |
| 12/01 | 362 | 363 | 360 | 360 | -2.44% | 4,600 | 41億494万 | -1.91% |
| 11/28 | 377 | 377 | 356 | 369 | 0% | 20,700 | 42億757万 | +0.54% |
| 11/27 | 370 | 370 | 368 | 369 | +0.82% | 3,600 | 42億757万 | +1.1% |
| 11/26 | 369 | 369 | 361 | 366 | -0.81% | 4,300 | 41億7336万 | +0.55% |
| 11/25 | 373 | 373 | 354 | 369 | +0.27% | 8,500 | 42億757万 | +1.37% |
| 11/21 | 368 | 368 | 360 | 368 | 0% | 2,700 | 41億9617万 | +1.66% |
| 11/20 | 361 | 368 | 361 | 368 | +0.27% | 6,500 | 41億9617万 | +1.94% |
| 11/19 | (IR情報)13:00 『産業交流展2025』出展のお知らせ |
| 11/19 | 355 | 370 | 352 | 367 | +2.51% | 13,400 | 41億8476万 | +2.23% |
| 11/18 | 354 | 359 | 352 | 358 | +0.85% | 12,900 | 40億8214万 | 0% |
| 11/17 | 338 | 355 | 335 | 355 | +4.72% | 10,400 | 40億4793万 | -0.56% |
| 11/14 | 344 | 350 | 324 | 339 | -5.83% | 22,400 | 38億6549万 | -4.78% |
| 11/13 | (IR情報)16:00 2026年3月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 11/13 | 373 | 373 | 356 | 360 | -5.01% | 21,400 | 41億494万 | +1.41% |
| 11/12 | 376 | 379 | 373 | 379 | -0.52% | 11,300 | 43億2159万 | +7.06% |
| 11/11 | 379 | 382 | 379 | 381 | 0% | 2,800 | 43億4440万 | +8.24% |
| 11/10 | 379 | 382 | 378 | 381 | -0.78% | 13,500 | 43億4440万 | +9.17% |
| 11/07 | 383 | 384 | 377 | 384 | +0.26% | 11,000 | 43億7861万 | +10.98% |
| 11/06 | 371 | 384 | 370 | 383 | +3.51% | 38,700 | 43億6720万 | +11.66% |
| 11/05 | 371 | 371 | 360 | 370 | -0.27% | 16,700 | 42億1897万 | +8.82% |
| 11/04 | 366 | 371 | 360 | 371 | +1.92% | 26,100 | 42億3037万 | +9.76% |
| 10/31 | 359 | 366 | 358 | 364 | +1.11% | 14,000 | 41億5055万 | +8.33% |
| 10/30 | 361 | 362 | 355 | 360 | -0.28% | 14,700 | 41億494万 | +7.78% |
| 10/29 | 366 | 366 | 344 | 361 | -1.37% | 21,600 | 41億1635万 | +8.73% |
| 10/28 | 369 | 369 | 365 | 366 | -0.27% | 18,800 | 41億7336万 | +10.57% |
| 10/27 | 358 | 367 | 357 | 367 | +2.51% | 53,900 | 41億8476万 | +11.55% |
| 10/24 | 352 | 359 | 346 | 358 | +1.99% | 18,000 | 40億8214万 | +9.15% |
| 10/23 | 340 | 352 | 340 | 351 | +2.63% | 21,200 | 40億232万 | +7.34% |
| 10/22 | 338 | 344 | 338 | 342 | -0.29% | 26,500 | 38億9970万 | +4.59% |
| 10/21 | 344 | 344 | 340 | 343 | 0% | 14,200 | 39億1110万 | +5.54% |
| 10/20 | 341 | 343 | 334 | 343 | +1.48% | 20,200 | 39億1110万 | +6.19% |
| 10/17 | (IR情報)16:00 主要株主の異動に関するお知らせ |
| 10/17 | 340 | 346 | 337 | 338 | +0.6% | 41,700 | 38億5409万 | +4.97% |
| 10/16 | (5%ルール)アンプロモーション(14.31%) |
| 10/16 | 324 | 337 | 324 | 336 | +2.13% | 31,700 | 38億3128万 | +5% |
| 10/15 | (5%ルール)黒岩初美(2.29%) |
| 10/15 | (5%ルール)アンプロモーション(9.05%) |
| 10/15 | 325 | 329 | 325 | 329 | +1.23% | 9,200 | 37億5146万 | +3.13% |
| 10/14 | (IR情報)16:45 京都製麦研究開発株式会社との業務提携に関するお知らせ |
| 10/14 | 328 | 328 | 323 | 325 | -2.69% | 13,500 | 37億585万 | +2.2% |
| 10/10 | 329 | 334 | 328 | 334 | +1.83% | 11,600 | 38億848万 | +5.36% |
| 10/09 | 328 | 330 | 325 | 328 | -0.3% | 14,800 | 37億4006万 | +3.8% |
| 10/08 | 328 | 335 | 328 | 329 | 0% | 45,700 | 37億5146万 | +4.44% |
| 10/07 | 326 | 331 | 325 | 329 | -0.6% | 34,600 | 37億5146万 | +5.11% |