| 2023 |
| 04/26 | （IR情報）15:00 当社株式の上場廃止に関するお知らせ |
| 04/26 | 1,691 | 1,693 | 1,691 | 1,693 | 0% | 10,400 | 339億2162万 | +0.06% |
| 04/25 | 1,694 | 1,694 | 1,691 | 1,693 | 0% | 8,600 | 339億2162万 | +0.06% |
| 04/24 | 1,693 | 1,693 | 1,693 | 1,693 | 0% | 1,700 | 339億2162万 | +0.06% |
| 04/21 | 1,693 | 1,693 | 1,693 | 1,693 | 0% | 1,000 | 339億2162万 | +0.06% |
| 04/20 | 1,693 | 1,693 | 1,693 | 1,693 | -0.06% | 1,000 | 339億2162万 | +0.06% |
| 04/19 | 1,694 | 1,694 | 1,694 | 1,694 | 0% | 2,200 | 339億4166万 | +0.12% |
| 04/18 | 1,694 | 1,694 | 1,694 | 1,694 | 0% | 200 | 339億4166万 | +0.12% |
| 04/17 | 1,694 | 1,694 | 1,694 | 1,694 | 0% | 400 | 339億4166万 | +0.12% |
| 04/14 | 1,695 | 1,695 | 1,694 | 1,694 | -0.06% | 3,600 | 339億4166万 | +0.12% |
| 04/13 | 1,692 | 1,695 | 1,692 | 1,695 | +0.06% | 19,600 | 339億6169万 | +0.18% |
| 04/12 | 1,694 | 1,694 | 1,694 | 1,694 | 0% | 200 | 339億4166万 | +0.18% |
| 04/11 | 1,691 | 1,694 | 1,691 | 1,694 | +0.12% | 32,900 | 339億4166万 | +0.18% |
| 04/10 | 1,691 | 1,692 | 1,691 | 1,692 | +0.06% | 600 | 339億158万 | +0.06% |
| 04/07 | （5%ルール）テクノアソシエ共栄会理事長辻本康則（0%） |
| 04/07 | （5%ルール）住友電気工業（93.07%） |
| 04/06 | 1,691 | 1,693 | 1,691 | 1,691 | 0% | 2,200 | 338億8155万 | 0% |
| 04/05 | 1,691 | 1,693 | 1,691 | 1,691 | 0% | 7,800 | 338億8155万 | 0% |
| 04/04 | 1,691 | 1,693 | 1,691 | 1,691 | 0% | 3,000 | 338億8155万 | 0% |
| 04/03 | 1,691 | 1,693 | 1,691 | 1,691 | -0.06% | 2,100 | 338億8155万 | 0% |
| 03/31 | （IR情報）15:00 (開示事項の経過)臨時株主総会の不開催及び基準日の取消しに関するお知らせ |
| 03/31 | （IR情報）15:00 住友電気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 |
| 03/31 | 1,691 | 1,692 | 1,691 | 1,692 | 0% | 1,600 | 339億158万 | +0.06% |
| 03/30 | 1,691 | 1,692 | 1,691 | 1,692 | +0.06% | 300 | 339億158万 | +0.06% |
| 03/29 | （5%ルール）住友電気工業（89.54%） |
| 03/29 | 1,691 | 1,693 | 1,691 | 1,691 | 0% | 6,000 | 338億8155万 | 0% |
| 03/28 | 1,691 | 1,691 | 1,691 | 1,691 | -0.06% | 3,900 | 338億8155万 | 0% |
| 03/27 | 1,690 | 1,692 | 1,690 | 1,692 | +0.06% | 4,700 | 339億158万 | +0.06% |
| 03/24 | 1,690 | 1,691 | 1,690 | 1,691 | +0.06% | 8,800 | 338億8155万 | 0% |
| 03/23 | （IR情報）15:00 支配株主である住友電気工業株式会社による当社株券に対する公開買付けの結果に関するお知らせ |
| 03/23 | 1,690 | 1,690 | 1,690 | 1,690 | 0% | 100 | 338億6151万 | -0.06% |
| 03/22 | 1,691 | 1,692 | 1,690 | 1,690 | -0.06% | 41,200 | 338億6151万 | -0.06% |
| 03/20 | 1,691 | 1,691 | 1,689 | 1,691 | 0% | 66,300 | 338億8155万 | 0% |
| 03/17 | 1,692 | 1,692 | 1,691 | 1,691 | 0% | 14,500 | 338億8155万 | 0% |
| 03/16 | 1,691 | 1,692 | 1,691 | 1,691 | -0.06% | 71,800 | 338億8155万 | 0% |
| 03/15 | （IR情報）15:00 臨時株主総会招集のための基準日設定に関するお知らせ |
| 03/15 | 1,691 | 1,693 | 1,691 | 1,692 | +0.06% | 65,600 | 339億158万 | +0.06% |
| 03/14 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 12,300 | 338億8155万 | 0% |
| 03/13 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 22,300 | 338億8155万 | 0% |
| 03/10 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 40,900 | 338億8155万 | +0.36% |
| 03/09 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 30,000 | 338億8155万 | +1.44% |
| 03/08 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 21,100 | 338億8155万 | +2.61% |
| 03/07 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 86,400 | 338億8155万 | +3.74% |
| 03/06 | 1,691 | 1,691 | 1,691 | 1,691 | -0.06% | 32,300 | 338億8155万 | +5.03% |
| 03/03 | 1,691 | 1,692 | 1,691 | 1,692 | +0.06% | 19,400 | 339億158万 | +6.42% |
| 03/02 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 123,000 | 338億8155万 | +7.64% |
| 03/01 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 40,700 | 338億8155万 | +8.96% |
| 02/28 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 33,900 | 338億8155万 | +10.45% |
| 02/27 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 27,500 | 338億8155万 | +11.91% |
| 02/24 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 47,000 | 338億8155万 | +13.49% |
| 02/22 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 57,500 | 338億8155万 | +15.11% |
| 02/21 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 67,200 | 338億8155万 | +16.7% |
| 02/20 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 33,400 | 338億8155万 | +18.42% |
| 02/17 | （IR情報）12:00 (変更)「支配株主である住友電気工業株式会社による当社株券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」の変更に関するお知らせ |
| 02/17 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 18,700 | 338億8155万 | +20.1% |
| 02/16 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 20,300 | 338億8155万 | +21.92% |
| 02/15 | 1,691 | 1,691 | 1,691 | 1,691 | 0% | 43,600 | 338億8155万 | +23.7% |
| 02/14 | 1,692 | 1,692 | 1,691 | 1,691 | -0.06% | 11,900 | 338億8155万 | +25.63% |
| 02/13 | 1,691 | 1,692 | 1,691 | 1,692 | +0.06% | 59,600 | 339億158万 | +27.7% |
| 02/10 | 1,691 | 1,692 | 1,691 | 1,691 | 0% | 23,900 | 338億8155万 | +29.68% |
| 02/09 | 1,692 | 1,693 | 1,691 | 1,691 | 0% | 79,100 | 338億8155万 | +31.8% |
| 02/08 | 1,692 | 1,693 | 1,691 | 1,691 | 0% | 206,000 | 338億8155万 | +33.99% |
| 02/07 | 1,692 | 1,692 | 1,691 | 1,691 | -0.06% | 224,200 | 338億8155万 | +36.26% |
| 02/06 | 1,694 | 1,700 | 1,691 | 1,692 | +10.01% | 459,200 | 339億158万 | +38.57% |
| 02/03 | 1,538 | 1,538 | 1,538 | 1,538 | +24.23% | 4,200 | 308億1598万 | +28.17% |
| 02/02 | （IR情報）15:00 支配株主である住友電気工業株式会社による当社株券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 |
| 02/02 | （IR情報）15:00 期末配当予想の修正(無配)に関するお知らせ |
| 02/02 | 1,214 | 1,238 | 1,214 | 1,238 | +1.89% | 7,600 | 248億506万 | +4.38% |
| 02/01 | 1,194 | 1,222 | 1,192 | 1,215 | -1.62% | 7,600 | 243億4422万 | +2.62% |
| 01/31 | （IR情報）15:00 2023年3月期第3四半期決算短信〔日本基準〕(連結) |
| 01/31 | （IR情報）15:00 人事異動に関するお知らせ |
| 01/31 | 1,212 | 1,235 | 1,212 | 1,235 | +1.98% | 5,800 | 247億4495万 | +4.48% |
| 01/30 | 1,199 | 1,212 | 1,199 | 1,211 | +1.59% | 2,500 | 242億6408万 | +2.71% |
| 01/27 | 1,194 | 1,199 | 1,192 | 1,192 | -0.25% | 400 | 238億8338万 | +1.27% |
| 01/26 | 1,217 | 1,217 | 1,192 | 1,195 | -1.81% | 4,100 | 239億4349万 | +1.53% |
| 01/25 | 1,190 | 1,222 | 1,190 | 1,217 | +2.7% | 1,500 | 243億8429万 | +3.49% |
| 01/24 | 1,180 | 1,185 | 1,180 | 1,185 | +0.42% | 400 | 237億4313万 | +0.94% |
| 01/23 | 1,175 | 1,181 | 1,175 | 1,180 | +0.43% | 1,200 | 236億4295万 | +0.51% |
| 01/20 | 1,171 | 1,175 | 1,170 | 1,175 | +0.43% | 2,000 | 235億4277万 | +0.17% |
| 01/19 | 1,173 | 1,173 | 1,169 | 1,170 | -0.43% | 2,800 | 234億4258万 | -0.26% |
| 01/18 | 1,175 | 1,175 | 1,175 | 1,175 | -0.25% | 100 | 235億4277万 | +0.17% |
| 01/17 | 1,177 | 1,178 | 1,177 | 1,178 | +0.26% | 1,200 | 236億287万 | +0.43% |
| 01/16 | 1,176 | 1,180 | 1,170 | 1,175 | -0.09% | 1,600 | 235億4277万 | +0.17% |
| 01/13 | 1,183 | 1,187 | 1,176 | 1,176 | -0.59% | 3,000 | 235億6280万 | +0.26% |
| 01/12 | 1,183 | 1,183 | 1,183 | 1,183 | 0% | 600 | 237億306万 | +0.77% |
| 01/11 | 1,190 | 1,190 | 1,176 | 1,183 | +1.98% | 3,000 | 237億306万 | +0.68% |
| 01/10 | 1,164 | 1,164 | 1,157 | 1,160 | -0.34% | 2,500 | 232億4222万 | -1.28% |
| 01/06 | 1,151 | 1,185 | 1,151 | 1,164 | +0.69% | 1,000 | 233億2236万 | -1.02% |
| 01/05 | 1,175 | 1,176 | 1,144 | 1,156 | -1.62% | 39,300 | 231億6207万 | -1.62% |
| 01/04 | 1,176 | 1,177 | 1,173 | 1,175 | -0.09% | 40,000 | 235億4277万 | +0.09% |
| 2022 |
| 12/30 | 1,185 | 1,185 | 1,173 | 1,176 | -0.08% | 8,700 | 235億6280万 | +0.26% |
| 12/29 | 1,181 | 1,181 | 1,174 | 1,177 | -0.34% | 4,800 | 235億8284万 | +0.6% |
| 12/28 | 1,180 | 1,188 | 1,180 | 1,181 | -0.34% | 4,400 | 236億6298万 | +1.11% |
| 12/27 | 1,185 | 1,189 | 1,172 | 1,185 | +1.11% | 3,700 | 237億4313万 | +1.54% |
| 12/26 | 1,171 | 1,176 | 1,169 | 1,172 | +0.17% | 4,700 | 234億8266万 | +0.69% |
| 12/23 | 1,169 | 1,174 | 1,166 | 1,170 | +0.34% | 13,400 | 234億4258万 | +0.69% |
| 12/22 | 1,170 | 1,172 | 1,164 | 1,166 | -0.34% | 900 | 233億6244万 | +0.43% |
| 12/21 | 1,169 | 1,170 | 1,169 | 1,170 | +0.09% | 15,300 | 234億4258万 | +0.86% |
| 12/20 | 1,170 | 1,184 | 1,162 | 1,169 | -0.43% | 2,900 | 234億2255万 | +0.86% |
| 12/19 | 1,172 | 1,186 | 1,172 | 1,174 | +0.17% | 3,900 | 235億2273万 | +1.47% |
| 12/16 | 1,175 | 1,175 | 1,165 | 1,172 | -0.42% | 1,000 | 234億8266万 | +1.56% |
| 12/15 | 1,167 | 1,180 | 1,161 | 1,177 | +0.51% | 2,300 | 235億8284万 | +2.35% |
| 12/14 | 1,171 | 1,171 | 1,171 | 1,171 | -0.68% | 200 | 234億6262万 | +2.18% |
| 12/13 | 1,162 | 1,179 | 1,159 | 1,179 | +1.73% | 1,000 | 236億2291万 | +3.33% |
| 12/12 | 1,185 | 1,185 | 1,159 | 1,159 | -2.19% | 7,500 | 232億2218万 | +2.02% |
| 12/09 | 1,175 | 1,186 | 1,175 | 1,185 | +1.54% | 2,200 | 237億4313万 | +4.68% |
| 12/08 | 1,173 | 1,173 | 1,159 | 1,167 | -1.6% | 1,300 | 233億8247万 | +3.64% |
| 12/07 | 1,169 | 1,186 | 1,169 | 1,186 | -0.08% | 6,300 | 237億6317万 | +5.7% |
| 12/06 | 1,204 | 1,204 | 1,144 | 1,187 | -1.41% | 10,200 | 237億8320万 | +6.27% |
| 12/05 | 1,199 | 1,223 | 1,189 | 1,204 | +0.42% | 7,200 | 241億2382万 | +8.27% |
| 12/02 | 1,170 | 1,203 | 1,160 | 1,199 | +2.57% | 3,000 | 240億2364万 | +8.41% |
| 12/01 | 1,172 | 1,172 | 1,154 | 1,169 | +1.65% | 800 | 234億2255万 | +6.18% |
| 11/30 | 1,149 | 1,150 | 1,149 | 1,150 | +0.97% | 400 | 230億4186万 | +4.83% |
