| 2015 |
| 07/24 | 283 | 283 | 283 | 283 | -0.35% | 22,000 | 26億4605万 | 0% |
| 07/23 | 283 | 284 | 283 | 284 | 0% | 17,000 | 26億5540万 | +0.35% |
| 07/22 | 283 | 284 | 283 | 284 | +0.35% | 2,000 | 26億5540万 | +0.35% |
| 07/21 | 283 | 283 | 283 | 283 | 0% | 2,000 | 26億4605万 | 0% |
| 07/17 | 283 | 283 | 283 | 283 | 0% | 2,000 | 26億4605万 | 0% |
| 07/16 | 285 | 285 | 283 | 283 | -0.35% | 4,000 | 26億4605万 | 0% |
| 07/15 | 284 | 284 | 283 | 284 | +0.35% | 6,000 | 26億5540万 | +0.35% |
| 07/14 | 283 | 284 | 283 | 283 | 0% | 63,000 | 26億4605万 | 0% |
| 07/13 | 283 | 283 | 283 | 283 | 0% | 3,000 | 26億4605万 | 0% |
| 07/10 | 283 | 283 | 283 | 283 | 0% | 1,000 | 26億4605万 | 0% |
| 07/08 | 283 | 283 | 283 | 283 | 0% | 1,000 | 26億4605万 | 0% |
| 07/06 | 283 | 283 | 283 | 283 | -0.35% | 1,000 | 26億4605万 | 0% |
| 07/02 | 283 | 284 | 283 | 284 | +0.35% | 6,000 | 26億5540万 | +0.35% |
| 07/01 | 283 | 283 | 283 | 283 | 0% | 1,000 | 26億4605万 | 0% |
| 06/30 | 283 | 283 | 283 | 283 | 0% | 8,000 | 26億4605万 | +0.35% |
| 06/29 | 283 | 283 | 283 | 283 | 0% | 7,000 | 26億4605万 | +0.35% |
| 06/26 | 283 | 283 | 283 | 283 | 0% | 7,000 | 26億4605万 | +0.35% |
| 06/25 | 283 | 283 | 283 | 283 | 0% | 10,000 | 26億4605万 | +0.35% |
| 06/24 | 16:00 定款の一部変更及び全部取得条項付普通株式の全部の取得に関する承認決議並びに全部取得条項付普通株式の取得に係る基準日設定に関するお知らせ |
| 06/24 | 283 | 283 | 283 | 283 | 0% | 6,000 | 26億4605万 | +0.35% |
| 06/23 | 283 | 283 | 283 | 283 | 0% | 3,000 | 26億4605万 | 0% |
| 06/18 | 283 | 283 | 283 | 283 | 0% | 1,000 | 26億4605万 | +0.35% |
| 06/16 | 283 | 283 | 283 | 283 | 0% | 9,000 | 26億4605万 | +0.35% |
| 06/11 | 283 | 283 | 283 | 283 | +0.35% | 1,000 | 26億4605万 | +0.35% |
| 06/09 | 282 | 282 | 282 | 282 | -0.35% | 5,000 | 26億3670万 | 0% |
| 06/08 | 283 | 283 | 283 | 283 | +0.35% | 3,000 | 26億4605万 | +0.35% |
| 06/04 | 282 | 282 | 282 | 282 | 0% | 4,000 | 26億3670万 | 0% |
| 06/02 | 282 | 282 | 282 | 282 | 0% | 1,000 | 26億3670万 | 0% |
| 06/01 | 282 | 282 | 282 | 282 | 0% | 1,000 | 26億3670万 | 0% |
| 05/28 | 282 | 282 | 282 | 282 | 0% | 1,000 | 26億3670万 | -0.35% |
| 05/27 | 282 | 282 | 282 | 282 | 0% | 3,000 | 26億3670万 | -0.35% |
| 05/25 | 282 | 282 | 282 | 282 | 0% | 1,000 | 26億3670万 | -0.35% |
| 05/21 | 282 | 282 | 282 | 282 | 0% | 1,000 | 26億3670万 | -0.35% |
| 05/20 | 16:30 定款の一部変更及び全部取得条項付普通株式の全部の取得に関するお知らせ |
| 05/20 | 282 | 282 | 282 | 282 | 0% | 3,000 | 26億3670万 | -0.35% |
| 05/19 | 282 | 282 | 282 | 282 | -0.7% | 9,000 | 26億3670万 | -0.35% |
| 05/18 | 284 | 284 | 284 | 284 | +0.71% | 5,000 | 26億5540万 | +0.35% |
| 05/15 | 16:20 支配株主等に関する事項について |
| 05/15 | 16:20 平成27年3月期決算短信〔日本基準〕(連結) |
| 05/14 | 282 | 282 | 282 | 282 | 0% | 1,000 | 26億3670万 | -0.35% |
| 05/13 | 282 | 282 | 282 | 282 | 0% | 3,000 | 26億3670万 | -0.35% |
| 05/12 | 283 | 283 | 282 | 282 | 0% | 13,000 | 26億3670万 | -0.35% |
| 05/08 | 16:30 業績予想の修正に関するお知らせ |
| 05/07 | 282 | 282 | 282 | 282 | 0% | 2,000 | 26億3670万 | -0.35% |
| 05/01 | 282 | 282 | 282 | 282 | -0.35% | 1,000 | 26億3670万 | -0.35% |
| 04/30 | 282 | 283 | 282 | 283 | -0.35% | 2,000 | 26億4605万 | 0% |
| 04/28 | 282 | 284 | 282 | 284 | +0.35% | 4,000 | 26億5540万 | +0.35% |
| 04/27 | 283 | 283 | 283 | 283 | -0.35% | 2,000 | 26億4605万 | 0% |
| 04/24 | 282 | 284 | 282 | 284 | +0.71% | 4,000 | 26億5540万 | +0.35% |
| 04/22 | 282 | 282 | 282 | 282 | -0.35% | 3,000 | 26億3670万 | -0.35% |
| 04/21 | 15:30 臨時株主総会及び普通株主による種類株主総会招集のための基準日設定に関するお知らせ |
| 04/21 | 15:30 三光合成株式会社による当社普通株式に対する公開買付けの結果並びにその他の関係会社、親会社及び主要株主の異動に関するお知らせ |
| 04/21 | 283 | 283 | 283 | 283 | +0.35% | 4,000 | 26億4605万 | 0% |
| 04/20 | 283 | 283 | 282 | 282 | 0% | 19,000 | 26億3670万 | -0.35% |
| 04/17 | 282 | 282 | 282 | 282 | 0% | 10,000 | 26億3670万 | -0.35% |
| 04/16 | 282 | 284 | 282 | 282 | 0% | 3,000 | 26億3670万 | -0.35% |
| 04/15 | 282 | 282 | 282 | 282 | 0% | 4,000 | 26億3670万 | -0.35% |
| 04/14 | 282 | 282 | 282 | 282 | -0.7% | 6,000 | 26億3670万 | -0.7% |
| 04/13 | 284 | 284 | 284 | 284 | 0% | 14,000 | 26億5540万 | 0% |
| 04/10 | 284 | 284 | 284 | 284 | 0% | 1,000 | 26億5540万 | 0% |
| 04/09 | 284 | 285 | 284 | 284 | 0% | 6,000 | 26億5540万 | +1.43% |
| 04/08 | 284 | 284 | 284 | 284 | 0% | 8,000 | 26億5540万 | +2.53% |
| 04/07 | 284 | 284 | 284 | 284 | 0% | 41,000 | 26億5540万 | +3.65% |
| 04/06 | 284 | 284 | 284 | 284 | 0% | 53,000 | 26億5540万 | +4.8% |
| 04/03 | 284 | 284 | 284 | 284 | 0% | 7,000 | 26億5540万 | +5.97% |
| 04/02 | 284 | 284 | 284 | 284 | 0% | 12,000 | 26億5540万 | +7.17% |
| 04/01 | 284 | 284 | 284 | 284 | 0% | 7,000 | 26億5540万 | +7.98% |
| 03/31 | 284 | 284 | 284 | 284 | 0% | 37,000 | 26億5540万 | +9.23% |
| 03/30 | 284 | 284 | 284 | 284 | 0% | 7,000 | 26億5540万 | +10.51% |
| 03/27 | 284 | 284 | 284 | 284 | 0% | 184,000 | 26億5540万 | +11.81% |
| 03/26 | 283 | 284 | 283 | 284 | +0.35% | 87,000 | 26億5540万 | +12.7% |
| 03/25 | 284 | 284 | 283 | 283 | 0% | 36,000 | 26億4605万 | +13.65% |
| 03/24 | 283 | 284 | 283 | 283 | 0% | 48,000 | 26億4605万 | +15.04% |
| 03/23 | 284 | 284 | 283 | 283 | -0.35% | 8,000 | 26億4605万 | +15.98% |
| 03/20 | 283 | 284 | 283 | 284 | +0.35% | 39,000 | 26億5540万 | +17.84% |
| 03/19 | 284 | 284 | 283 | 283 | 0% | 45,000 | 26億4605万 | +18.41% |
| 03/18 | 283 | 284 | 283 | 283 | 0% | 42,000 | 26億4605万 | +19.92% |
| 03/17 | 283 | 283 | 283 | 283 | 0% | 106,000 | 26億4605万 | +20.94% |
| 03/16 | 283 | 284 | 283 | 283 | 0% | 84,000 | 26億4605万 | +22.51% |
| 03/13 | 284 | 284 | 283 | 283 | 0% | 117,000 | 26億4605万 | +23.58% |
| 03/12 | 284 | 284 | 283 | 283 | 0% | 226,000 | 26億4605万 | +25.22% |
| 03/11 | 283 | 284 | 283 | 283 | 0% | 130,000 | 26億4605万 | +26.91% |
| 03/10 | 284 | 285 | 283 | 283 | -0.35% | 924,000 | 26億4605万 | +28.05% |
| 03/09 | 284 | 285 | 284 | 284 | +37.86% | 1,784,000 | 26億5540万 | +29.68% |
| 03/06 | 15:00 平成27年3月期配当予想の修正に関するお知らせ |
| 03/06 | 15:00 三光合成株式会社による当社普通株式に対する公開買付けに関する賛同及び当社普通株式の応募推奨に関する意見表明のお知らせ |
| 03/06 | 210 | 210 | 206 | 206 | -1.44% | 16,000 | 19億2610万 | -4.63% |
| 03/05 | 207 | 209 | 206 | 209 | +1.46% | 9,000 | 19億5415万 | -3.69% |
| 03/04 | 209 | 209 | 204 | 206 | -1.9% | 13,000 | 19億2610万 | -5.5% |
| 03/03 | 204 | 212 | 204 | 210 | +1.94% | 37,000 | 19億6350万 | -3.67% |
| 03/02 | 212 | 213 | 205 | 206 | -2.83% | 45,000 | 19億2610万 | -5.94% |
| 02/27 | 215 | 215 | 210 | 212 | -1.4% | 40,000 | 19億8220万 | -3.2% |
| 02/26 | 215 | 217 | 214 | 215 | 0% | 17,000 | 20億1025万 | -1.83% |
| 02/25 | 215 | 215 | 214 | 215 | 0% | 28,000 | 20億1025万 | -1.83% |
| 02/24 | 216 | 216 | 214 | 215 | +0.47% | 24,000 | 20億1025万 | -2.27% |
| 02/23 | 218 | 218 | 214 | 214 | -1.38% | 34,000 | 20億90万 | -2.73% |
| 02/20 | 216 | 217 | 216 | 217 | 0% | 18,000 | 20億2895万 | -1.36% |
| 02/19 | 218 | 218 | 217 | 217 | 0% | 16,000 | 20億2895万 | -1.36% |
| 02/18 | 218 | 218 | 215 | 217 | -0.91% | 28,000 | 20億2895万 | -1.36% |
| 02/17 | 218 | 219 | 218 | 219 | -0.45% | 11,000 | 20億4765万 | -0.45% |
| 02/16 | 220 | 221 | 219 | 220 | 0% | 13,000 | 20億5700万 | 0% |
| 02/13 | 16:00 (訂正・数値データ訂正)「平成27年3月期第3四半期決算短信〔日本基準〕(連結)」の一部訂正について |
| 02/13 | 220 | 221 | 220 | 220 | 0% | 6,000 | 20億5700万 | 0% |
| 02/12 | 222 | 222 | 219 | 220 | +0.46% | 23,000 | 20億5700万 | 0% |
| 02/10 | 220 | 220 | 218 | 219 | -1.79% | 20,000 | 20億4765万 | -0.45% |
| 02/09 | 223 | 226 | 218 | 223 | +0.9% | 46,000 | 20億8505万 | +1.36% |
| 02/06 | 16:00 平成27年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/06 | 221 | 232 | 217 | 221 | +0.45% | 69,000 | 20億6635万 | +0.91% |
| 02/05 | 220 | 221 | 218 | 220 | +2.8% | 16,000 | 20億5700万 | 0% |
| 02/04 | 220 | 220 | 214 | 214 | -3.17% | 41,000 | 20億90万 | -2.28% |
| 02/03 | 224 | 224 | 219 | 221 | -0.9% | 18,000 | 20億6635万 | +1.38% |