| 2017 |
| 01/13 | 16:00 当社株式の上場廃止のお知らせ |
| 01/13 | 238 | 239 | 238 | 238 | 0% | 9,000 | 33億7899万 | 0% |
| 01/12 | 238 | 238 | 238 | 238 | 0% | 4,000 | 33億7899万 | 0% |
| 01/11 | 238 | 238 | 238 | 238 | 0% | 3,000 | 33億7899万 | 0% |
| 01/10 | 238 | 238 | 238 | 238 | 0% | 1,000 | 33億7899万 | 0% |
| 01/06 | 238 | 238 | 238 | 238 | 0% | 3,000 | 33億7899万 | 0% |
| 01/04 | 238 | 238 | 238 | 238 | 0% | 3,000 | 33億7899万 | 0% |
| 2016 |
| 12/29 | 238 | 238 | 238 | 238 | 0% | 1,000 | 33億7899万 | 0% |
| 12/27 | 238 | 238 | 238 | 238 | 0% | 27,000 | 33億7899万 | 0% |
| 12/26 | 238 | 238 | 238 | 238 | 0% | 4,000 | 33億7899万 | 0% |
| 12/22 | 238 | 238 | 238 | 238 | 0% | 1,000 | 33億7899万 | 0% |
| 12/21 | 238 | 239 | 238 | 238 | 0% | 6,000 | 33億7899万 | 0% |
| 12/20 | 238 | 238 | 238 | 238 | 0% | 4,000 | 33億7899万 | 0% |
| 12/19 | 238 | 238 | 238 | 238 | 0% | 3,000 | 33億7899万 | 0% |
| 12/16 | 11:30 支配株主等に関する事項について |
| 12/16 | 11:30 株式併合及び定款の一部変更に係る承認決議に関するお知らせ |
| 12/16 | 239 | 239 | 238 | 238 | 0% | 3,000 | 33億7899万 | 0% |
| 12/15 | 238 | 238 | 238 | 238 | -0.42% | 1,000 | 33億7899万 | 0% |
| 12/13 | 239 | 239 | 238 | 239 | +0.42% | 8,000 | 33億9318万 | +0.42% |
| 12/08 | 239 | 239 | 238 | 238 | 0% | 4,000 | 33億7899万 | 0% |
| 12/07 | 238 | 238 | 238 | 238 | 0% | 1,000 | 33億7899万 | 0% |
| 12/05 | 238 | 238 | 238 | 238 | 0% | 1,000 | 33億7899万 | 0% |
| 12/01 | 238 | 238 | 238 | 238 | 0% | 1,000 | 33億7899万 | 0% |
| 11/30 | 238 | 239 | 238 | 238 | 0% | 3,000 | 33億7899万 | 0% |
| 11/21 | 238 | 238 | 238 | 238 | 0% | 1,000 | 33億7899万 | 0% |
| 11/17 | 238 | 238 | 238 | 238 | 0% | 2,000 | 33億7899万 | 0% |
| 11/15 | 238 | 238 | 238 | 238 | 0% | 1,000 | 33億7899万 | 0% |
| 11/11 | 15:00 平成28年9月期決算短信〔日本基準〕(連結) |
| 11/09 | 238 | 238 | 238 | 238 | 0% | 1,000 | 33億7899万 | -0.42% |
| 11/04 | 238 | 238 | 238 | 238 | 0% | 1,000 | 33億7899万 | -0.42% |
| 10/26 | 238 | 238 | 238 | 238 | 0% | 4,000 | 33億7899万 | -0.42% |
| 10/24 | 238 | 238 | 238 | 238 | 0% | 1,000 | 33億7899万 | -0.42% |
| 10/21 | 238 | 238 | 238 | 238 | 0% | 2,000 | 33億7899万 | -0.42% |
| 10/17 | 238 | 238 | 238 | 238 | -0.42% | 5,000 | 33億7899万 | -0.42% |
| 10/13 | 16:00 株式併合、単元株式数の定めの廃止及び定款の一部変更に関するお知らせ |
| 10/13 | 238 | 239 | 238 | 239 | +0.42% | 7,000 | 33億9318万 | 0% |
| 10/07 | 238 | 238 | 238 | 238 | -0.42% | 1,000 | 33億7899万 | -0.42% |
| 10/06 | 11:00 支配株主である株式会社イトーキ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 |
| 10/06 | 238 | 239 | 238 | 239 | +0.42% | 2,000 | 33億9318万 | 0% |
| 10/05 | 238 | 239 | 238 | 238 | -0.42% | 3,000 | 33億7899万 | -0.42% |
| 09/30 | 239 | 239 | 239 | 239 | 0% | 42,000 | 33億9318万 | 0% |
| 09/28 | 239 | 239 | 239 | 239 | 0% | 4,000 | 33億9318万 | 0% |
| 09/27 | 239 | 239 | 239 | 239 | 0% | 2,000 | 33億9318万 | 0% |
| 09/26 | 239 | 239 | 239 | 239 | 0% | 6,000 | 33億9318万 | 0% |
| 09/23 | 239 | 239 | 239 | 239 | 0% | 8,000 | 33億9318万 | 0% |
| 09/21 | 239 | 239 | 239 | 239 | 0% | 8,000 | 33億9318万 | 0% |
| 09/20 | 239 | 239 | 239 | 239 | 0% | 5,000 | 33億9318万 | 0% |
| 09/16 | 239 | 239 | 239 | 239 | 0% | 2,000 | 33億9318万 | 0% |
| 09/15 | 239 | 239 | 239 | 239 | +0.84% | 79,000 | 33億9318万 | 0% |
| 09/14 | 15:00 支配株主である株式会社イトーキによる当社株式に対する公開買付期間延長等に関するお知らせ |
| 09/14 | 237 | 237 | 237 | 237 | 0% | 1,000 | 33億6479万 | -0.84% |
| 09/13 | 238 | 238 | 237 | 237 | -0.84% | 12,000 | 33億6479万 | -0.84% |
| 09/12 | 240 | 240 | 239 | 239 | 0% | 69,000 | 33億9318万 | 0% |
| 09/09 | 239 | 239 | 239 | 239 | 0% | 6,000 | 33億9318万 | 0% |
| 09/08 | 239 | 239 | 239 | 239 | 0% | 5,000 | 33億9318万 | +0.42% |
| 09/07 | 239 | 239 | 239 | 239 | 0% | 1,000 | 33億9318万 | +1.27% |
| 09/06 | 239 | 239 | 239 | 239 | 0% | 4,000 | 33億9318万 | +2.58% |
| 09/05 | 239 | 239 | 239 | 239 | 0% | 4,000 | 33億9318万 | +3.46% |
| 09/02 | 240 | 240 | 239 | 239 | -0.42% | 9,000 | 33億9318万 | +4.37% |
| 09/01 | 239 | 240 | 239 | 240 | +0.42% | 26,000 | 34億738万 | +5.73% |
| 08/31 | 239 | 239 | 239 | 239 | -0.42% | 2,000 | 33億9318万 | +7.17% |
| 08/30 | 239 | 240 | 239 | 240 | +0.42% | 7,000 | 34億738万 | +10.09% |
| 08/29 | 239 | 239 | 239 | 239 | 0% | 11,000 | 33億9318万 | +11.68% |
| 08/26 | 239 | 239 | 239 | 239 | 0% | 25,000 | 33億9318万 | +13.81% |
| 08/25 | 239 | 239 | 239 | 239 | 0% | 25,000 | 33億9318万 | +16.02% |
| 08/24 | 239 | 239 | 239 | 239 | 0% | 9,000 | 33億9318万 | +18.32% |
| 08/23 | 239 | 239 | 239 | 239 | 0% | 14,000 | 33億9318万 | +20.71% |
| 08/22 | 239 | 239 | 239 | 239 | 0% | 12,000 | 33億9318万 | +23.2% |
| 08/19 | 239 | 239 | 239 | 239 | 0% | 21,000 | 33億9318万 | +25.79% |
| 08/18 | 239 | 239 | 239 | 239 | 0% | 19,000 | 33億9318万 | +28.49% |
| 08/17 | 239 | 239 | 239 | 239 | 0% | 19,000 | 33億9318万 | +31.32% |
| 08/16 | 239 | 239 | 239 | 239 | 0% | 32,000 | 33億9318万 | +35.03% |
| 08/15 | 239 | 239 | 239 | 239 | 0% | 21,000 | 33億9318万 | +38.15% |
| 08/12 | 240 | 240 | 239 | 239 | -0.42% | 76,000 | 33億9318万 | +41.42% |
| 08/10 | 239 | 240 | 239 | 240 | +0.42% | 99,000 | 34億738万 | +44.58% |
| 08/09 | 239 | 240 | 239 | 239 | 0% | 93,000 | 33億9318万 | +47.53% |
| 08/08 | 239 | 240 | 239 | 239 | 0% | 322,000 | 33億9318万 | +50.31% |
| 08/05 | 239 | 240 | 239 | 239 | +9.13% | 860,000 | 33億9318万 | +53.21% |
| 08/04 | 219 | 219 | 219 | 219 | +29.59% | 18,000 | 31億923万 | +43.14% |
| 08/03 | 16:00 支配株主である株式会社イトーキによる当社株式に対する公開買付けに関する賛同及び応募推奨に関する意見表明のお知らせ |
| 08/03 | 16:00 平成28年9月期第3四半期決算短信〔日本基準〕(連結) |
| 08/03 | 166 | 173 | 166 | 169 | -3.43% | 39,000 | 23億9936万 | +11.92% |
| 08/02 | 175 | 175 | 170 | 175 | -2.78% | 48,000 | 24億8455万 | +15.89% |
| 08/01 | 172 | 182 | 166 | 180 | -5.76% | 380,000 | 25億5553万 | +20% |
| 07/29 | 226 | 238 | 187 | 191 | +1.6% | 2,615,000 | 27億1171万 | +27.33% |
| 07/28 | 143 | 188 | 143 | 188 | +36.23% | 944,000 | 26億6911万 | +26.17% |
| 07/27 | 139 | 141 | 138 | 138 | +0.73% | 11,000 | 19億5924万 | -6.76% |
| 07/20 | 137 | 137 | 137 | 137 | +3.01% | 1,000 | 19億4504万 | -8.05% |
| 07/19 | 133 | 133 | 133 | 133 | -3.62% | 1,000 | 18億8825万 | -11.92% |
| 07/14 | 138 | 139 | 137 | 138 | -1.43% | 8,000 | 19億5924万 | -9.21% |
| 07/12 | 137 | 140 | 137 | 140 | -1.41% | 3,000 | 19億8764万 | -9.09% |
| 07/11 | 142 | 142 | 142 | 142 | 0% | 1,000 | 20億1603万 | -8.39% |
| 07/08 | 142 | 142 | 142 | 142 | +4.41% | 3,000 | 20億1603万 | -8.97% |
| 07/06 | 135 | 136 | 135 | 136 | +0.74% | 2,000 | 19億3085万 | -13.38% |
| 07/01 | 139 | 139 | 135 | 135 | +0.75% | 3,000 | 19億1665万 | -15.09% |
| 06/29 | 134 | 134 | 134 | 134 | 0% | 1,000 | 19億245万 | -16.25% |
| 06/28 | 141 | 141 | 134 | 134 | +2.29% | 6,000 | 19億245万 | -17.28% |
| 06/27 | 147 | 147 | 131 | 131 | +7.38% | 27,000 | 18億5986万 | -19.63% |
| 06/24 | 145 | 145 | 118 | 122 | -17.57% | 33,000 | 17億3208万 | -26.06% |
| 06/22 | 148 | 148 | 148 | 148 | -0.67% | 1,000 | 21億122万 | -11.38% |
| 06/15 | 146 | 149 | 146 | 149 | -1.32% | 6,000 | 21億1541万 | -11.31% |
| 06/14 | 155 | 155 | 151 | 151 | -5.63% | 7,000 | 21億4381万 | -10.65% |
| 06/13 | 162 | 162 | 160 | 160 | -1.23% | 4,000 | 22億7159万 | -5.88% |
| 06/10 | 164 | 164 | 162 | 162 | -1.22% | 4,000 | 22億9998万 | -4.71% |
| 06/07 | 164 | 164 | 164 | 164 | 0% | 1,000 | 23億2837万 | -3.53% |
| 06/03 | 167 | 168 | 164 | 164 | -3.53% | 12,000 | 23億2837万 | -4.09% |
| 06/01 | 170 | 170 | 170 | 170 | +0.59% | 1,000 | 24億1356万 | -0.58% |
| 05/31 | 170 | 170 | 169 | 169 | 0% | 2,000 | 23億9936万 | -1.17% |
| 05/30 | 167 | 169 | 166 | 169 | +1.81% | 3,000 | 23億9936万 | -1.74% |
