| 2021 |
| 03/19 | （IR情報）15:00 当社株式の上場廃止のお知らせ |
| 03/19 | 1,989 | 1,997 | 1,989 | 1,997 | +0.4% | 4,900 | 29億5723万 | +0.5% |
| 03/18 | 1,988 | 1,989 | 1,988 | 1,989 | +0.05% | 1,000 | 29億4539万 | +0.1% |
| 03/17 | 1,987 | 1,989 | 1,987 | 1,988 | 0% | 2,200 | 29億4390万 | 0% |
| 03/16 | 1,987 | 1,988 | 1,987 | 1,988 | +0.05% | 900 | 29億4390万 | 0% |
| 03/15 | 1,987 | 1,987 | 1,985 | 1,987 | 0% | 1,700 | 29億4242万 | -0.05% |
| 03/12 | 1,986 | 1,987 | 1,986 | 1,987 | -0.05% | 800 | 29億4242万 | -0.1% |
| 03/11 | 1,987 | 1,988 | 1,987 | 1,988 | +0.1% | 1,400 | 29億4390万 | -0.05% |
| 03/10 | 1,986 | 1,986 | 1,986 | 1,986 | -0.25% | 300 | 29億4094万 | -0.15% |
| 03/09 | 1,989 | 1,992 | 1,987 | 1,991 | +0.3% | 600 | 29億4835万 | +0.05% |
| 03/04 | 1,985 | 1,985 | 1,985 | 1,985 | 0% | 600 | 29億3946万 | -0.25% |
| 03/03 | 1,985 | 1,985 | 1,985 | 1,985 | -0.05% | 2,600 | 29億3946万 | -0.3% |
| 03/02 | 1,985 | 1,986 | 1,985 | 1,986 | +0.05% | 200 | 29億4094万 | -0.25% |
| 03/01 | （5%ルール）TCSカンパニーズ（99.99%） |
| 03/01 | 1,985 | 1,985 | 1,985 | 1,985 | 0% | 1,000 | 29億3946万 | -0.35% |
| 02/26 | 1,985 | 1,985 | 1,985 | 1,985 | 0% | 1,000 | 29億3946万 | -0.35% |
| 02/25 | 1,985 | 1,985 | 1,985 | 1,985 | 0% | 200 | 29億3946万 | -0.4% |
| 02/24 | 1,985 | 1,985 | 1,984 | 1,985 | 0% | 6,000 | 29億3946万 | -0.4% |
| 02/22 | 1,985 | 1,986 | 1,985 | 1,985 | +0.05% | 3,400 | 29億3946万 | -0.4% |
| 02/19 | 1,984 | 1,985 | 1,984 | 1,984 | -0.05% | 4,500 | 29億3798万 | -0.5% |
| 02/18 | （5%ルール）光通信（0%） |
| 02/18 | （5%ルール）TCSカンパニーズ（93.9%）TCS HD（0%）アンドール（0%）インターネットウェア（0%）エヌ・ティ・ティ・システム開発（0%）コムシス（0%）コンピュートロン（0%）シグマトロン（0%）ハイテクシステム（0%）ユニシステム（0%）北部通信工業（0%）医療システムズ（0%）東京コンピュータサービス（0%）アイレックス（0%）豊栄実業（0%）金融システムソリューションズ（0%）髙山正大（0%）髙山芳之（0%） |
| 02/18 | （IR情報）15:00 TCSカンパニーズ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関する承認及び当社株式の上場廃止に関するお知らせ |
| 02/18 | 1,985 | 1,985 | 1,985 | 1,985 | 0% | 200 | 29億3946万 | -0.45% |
| 02/17 | 1,985 | 1,988 | 1,984 | 1,985 | -0.2% | 800 | 29億3946万 | -0.5% |
| 02/16 | 1,988 | 1,989 | 1,985 | 1,989 | +0.05% | 1,300 | 29億4539万 | -0.3% |
| 02/15 | 1,986 | 1,989 | 1,986 | 1,988 | 0% | 1,500 | 29億4390万 | -0.4% |
| 02/12 | （IR情報）15:00 第75期(2021年3月期)第3四半期決算補足資料 |
| 02/12 | （IR情報）15:00 2021年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/12 | 1,986 | 1,988 | 1,986 | 1,988 | -0.25% | 3,200 | 29億4390万 | -0.4% |
| 02/09 | （IR情報）15:00 TCSカンパニーズ株式会社による当社株式に対する公開買付けの結果並びに親会社及び主要株主である筆頭株主の異動に関するお知らせ |
| 02/09 | 1,993 | 1,993 | 1,993 | 1,993 | 0% | 400 | 29億5131万 | -0.15% |
| 02/08 | 1,993 | 1,993 | 1,993 | 1,993 | 0% | 400 | 29億5131万 | -0.15% |
| 02/05 | 1,993 | 1,993 | 1,993 | 1,993 | -0.2% | 1,100 | 29億5131万 | -0.15% |
| 02/04 | 1,997 | 1,997 | 1,997 | 1,997 | 0% | 2,800 | 29億5723万 | +0.05% |
| 02/03 | 1,998 | 1,998 | 1,997 | 1,997 | 0% | 4,200 | 29億5723万 | +0.05% |
| 02/02 | 1,998 | 1,998 | 1,997 | 1,997 | +0.05% | 3,800 | 29億5723万 | +0.05% |
| 02/01 | 1,997 | 1,997 | 1,996 | 1,996 | +0.05% | 6,400 | 29億5575万 | 0% |
| 01/29 | 1,997 | 1,997 | 1,995 | 1,995 | -0.1% | 4,800 | 29億5427万 | -0.05% |
| 01/28 | 1,997 | 1,999 | 1,997 | 1,997 | 0% | 3,000 | 29億5723万 | +0.05% |
| 01/27 | 1,997 | 1,998 | 1,997 | 1,997 | -0.05% | 1,200 | 29億5723万 | +0.1% |
| 01/26 | 1,997 | 1,998 | 1,997 | 1,998 | 0% | 3,000 | 29億5871万 | +0.15% |
| 01/25 | 1,997 | 1,998 | 1,997 | 1,998 | +0.05% | 39,300 | 29億5871万 | +1.01% |
| 01/22 | 1,997 | 1,997 | 1,997 | 1,997 | 0% | 1,400 | 29億5723万 | +2.46% |
| 01/21 | 1,997 | 1,998 | 1,997 | 1,997 | 0% | 2,600 | 29億5723万 | +4.01% |
| 01/20 | 1,997 | 1,998 | 1,997 | 1,997 | 0% | 12,000 | 29億5723万 | +5.61% |
| 01/19 | 1,997 | 1,997 | 1,996 | 1,997 | +0.05% | 11,000 | 29億5723万 | +7.25% |
| 01/18 | 1,996 | 1,997 | 1,996 | 1,996 | -0.05% | 5,400 | 29億5575万 | +8.89% |
| 01/15 | 1,996 | 1,997 | 1,996 | 1,997 | 0% | 3,800 | 29億5723万 | +10.58% |
| 01/14 | 1,996 | 1,997 | 1,996 | 1,997 | +0.05% | 1,400 | 29億5723万 | +12.19% |
| 01/13 | 1,996 | 1,996 | 1,996 | 1,996 | 0% | 1,900 | 29億5575万 | +13.8% |
| 01/12 | 1,996 | 1,996 | 1,996 | 1,996 | +0.05% | 3,100 | 29億5575万 | +15.71% |
| 01/08 | 1,998 | 1,998 | 1,995 | 1,995 | -0.2% | 3,100 | 29億5427万 | +17.56% |
| 01/07 | 1,995 | 1,999 | 1,995 | 1,999 | +0.2% | 12,500 | 29億6019万 | +19.77% |
| 01/06 | 1,994 | 1,995 | 1,994 | 1,995 | +0.1% | 8,000 | 29億5427万 | +21.65% |
| 01/05 | 1,993 | 1,993 | 1,993 | 1,993 | 0% | 5,700 | 29億5131万 | +23.56% |
| 01/04 | 1,993 | 1,994 | 1,993 | 1,993 | 0% | 9,000 | 29億5131万 | +25.66% |
| 2020 |
| 12/30 | 1,993 | 1,994 | 1,993 | 1,993 | 0% | 8,000 | 29億5131万 | +27.84% |
| 12/29 | 1,993 | 1,995 | 1,993 | 1,993 | 0% | 15,400 | 29億5131万 | +30.01% |
| 12/28 | 1,993 | 1,996 | 1,993 | 1,993 | 0% | 21,100 | 29億5131万 | +32.34% |
| 12/25 | 1,993 | 1,993 | 1,993 | 1,993 | 0% | 13,800 | 29億5131万 | +34.75% |
| 12/24 | 1,993 | 1,994 | 1,993 | 1,993 | -0.05% | 4,700 | 29億5131万 | +37.26% |
| 12/23 | 1,994 | 1,995 | 1,994 | 1,994 | 0% | 10,300 | 29億5279万 | +39.93% |
| 12/22 | 2,050 | 2,050 | 1,994 | 1,994 | 0% | 29,000 | 29億5279万 | +42.53% |
| 12/21 | 1,993 | 1,995 | 1,992 | 1,994 | +0.96% | 67,000 | 29億5279万 | +45.12% |
| 12/18 | 1,975 | 1,975 | 1,975 | 1,975 | +25.4% | 9,600 | 29億2465万 | +46.51% |
| 12/17 | 1,575 | 1,575 | 1,575 | 1,575 | +23.53% | 3,700 | 23億3232万 | +19.05% |
| 12/16 | （IR情報）15:30 TCSカンパニーズ株式会社による株式会社テクノ・セブン株式に対する公開買付けの開始に関するお知らせ |
| 12/16 | （IR情報）15:30 2021年3月期配当予想の修正(無配)に関するお知らせ |
| 12/16 | （IR情報）15:30 親会社であるTCSホールディングス(株)の完全子会社であるTCSカンパニーズ(株)による当社株式への公開買付けに係る賛同意見表明及び応募推奨 |
| 12/16 | 1,271 | 1,275 | 1,271 | 1,275 | +0.08% | 400 | 18億8807万 | -3.04% |
| 12/15 | 1,281 | 1,281 | 1,272 | 1,274 | -0.55% | 900 | 18億8659万 | -3.48% |
| 12/14 | 1,270 | 1,285 | 1,270 | 1,281 | +1.83% | 300 | 18億9695万 | -3.17% |
| 12/11 | 1,252 | 1,258 | 1,252 | 1,258 | -1.26% | 1,600 | 18億6289万 | -5.2% |
| 12/10 | 1,310 | 1,310 | 1,271 | 1,274 | -4.71% | 400 | 18億8659万 | -4.35% |
| 12/09 | 1,337 | 1,337 | 1,337 | 1,337 | 0% | 1,000 | 19億7988万 | +0.07% |
| 12/07 | 1,337 | 1,337 | 1,337 | 1,337 | -0.07% | 100 | 19億7988万 | -0.07% |
| 12/04 | 1,314 | 1,338 | 1,314 | 1,338 | +3.48% | 400 | 19億8136万 | -0.15% |
| 12/03 | 1,303 | 1,325 | 1,293 | 1,293 | +0.23% | 800 | 19億1472万 | -3.65% |
| 12/01 | 1,280 | 1,292 | 1,280 | 1,290 | +0.78% | 1,100 | 19億1028万 | -4.23% |
| 11/30 | 1,265 | 1,280 | 1,265 | 1,280 | -1.16% | 300 | 18億9547万 | -5.19% |
| 11/26 | 1,325 | 1,325 | 1,295 | 1,295 | -2.04% | 1,100 | 19億1768万 | -4.43% |
| 11/25 | 1,309 | 1,327 | 1,309 | 1,322 | +0.99% | 900 | 19億5767万 | -2.79% |
| 11/24 | 1,309 | 1,309 | 1,309 | 1,309 | -1.28% | 100 | 19億3841万 | -3.96% |
| 11/20 | 1,326 | 1,326 | 1,326 | 1,326 | 0% | 100 | 19億6359万 | -3.07% |
| 11/19 | 1,300 | 1,326 | 1,300 | 1,326 | +0.61% | 300 | 19億6359万 | -3.14% |
| 11/17 | 1,320 | 1,320 | 1,318 | 1,318 | +0.3% | 400 | 19億5174万 | -3.73% |
| 11/16 | 1,315 | 1,321 | 1,314 | 1,314 | -0.9% | 3,800 | 19億4582万 | -3.88% |
| 11/13 | （IR情報）15:00 2021年3月期第2四半期決算短信〔日本基準〕(連結) |
| 11/13 | （IR情報）15:00 第75期(2021年3月期)第2四半期決算補足資料 |
| 11/13 | 1,326 | 1,329 | 1,325 | 1,326 | -0.15% | 1,400 | 19億6359万 | -2.86% |
| 11/12 | 1,328 | 1,328 | 1,328 | 1,328 | -1.34% | 700 | 19億6655万 | -2.42% |
| 11/05 | 1,326 | 1,346 | 1,326 | 1,346 | -0.37% | 200 | 19億9321万 | -0.81% |
| 11/02 | 1,351 | 1,351 | 1,351 | 1,351 | 0% | 200 | 20億61万 | -0.15% |
| 10/30 | 1,351 | 1,351 | 1,351 | 1,351 | +0.75% | 100 | 20億61万 | +0.15% |
| 10/29 | 1,341 | 1,341 | 1,341 | 1,341 | -3.53% | 100 | 19億8580万 | -0.3% |
| 10/27 | 1,390 | 1,390 | 1,390 | 1,390 | +0.36% | 100 | 20億5836万 | +3.58% |
| 10/23 | 1,370 | 1,385 | 1,370 | 1,385 | +1.09% | 400 | 20億5096万 | +3.82% |
| 10/16 | 1,370 | 1,372 | 1,370 | 1,370 | 0% | 1,200 | 20億2875万 | +3.09% |
| 10/15 | 1,380 | 1,381 | 1,370 | 1,370 | -0.36% | 1,300 | 20億2875万 | +3.47% |
| 10/14 | 1,375 | 1,375 | 1,375 | 1,375 | 0% | 100 | 20億3615万 | +4.4% |
| 10/13 | 1,382 | 1,382 | 1,375 | 1,375 | -0.51% | 300 | 20億3615万 | +4.96% |
| 10/12 | 1,391 | 1,391 | 1,382 | 1,382 | -0.65% | 300 | 20億4652万 | +5.98% |
| 10/09 | 1,390 | 1,393 | 1,390 | 1,391 | -0.71% | 500 | 20億5984万 | +7.16% |
| 10/07 | 1,401 | 1,401 | 1,401 | 1,401 | -0.07% | 100 | 20億7465万 | +8.35% |
| 10/06 | 1,402 | 1,402 | 1,402 | 1,402 | +1.45% | 100 | 20億7613万 | +8.77% |
| 10/05 | 1,391 | 1,391 | 1,382 | 1,382 | -0.65% | 200 | 20億4652万 | +7.55% |
| 10/02 | 1,425 | 1,425 | 1,391 | 1,391 | -2.39% | 1,100 | 20億5984万 | +8.67% |
| 09/30 | 1,425 | 1,425 | 1,425 | 1,425 | +1.79% | 100 | 21億1019万 | +11.68% |
| 09/29 | 1,400 | 1,400 | 1,400 | 1,400 | -1.69% | 100 | 20億7317万 | +10.15% |
| 09/28 | 1,422 | 1,424 | 1,409 | 1,424 | +3.87% | 700 | 21億871万 | +12.48% |
| 09/25 | 1,333 | 1,401 | 1,333 | 1,371 | +3.24% | 800 | 20億3023万 | +8.72% |
| 09/24 | 1,340 | 1,340 | 1,328 | 1,328 | +5.31% | 200 | 19億6655万 | +5.4% |
