# 会社法 / Companies Act — 第百二十一条 (Article 121)

- Law: 会社法 (Companies Act), 平成十七年法律第八十六号
- English title "Companies Act": Ministry of Justice translation
- Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say.
- Provision: 第百二十一条 (Article 121)（株主名簿） — address `art-121`
- Text in force since: 2026-08-12
- URL (the page that opens at this provision): https://japanlaw.org/en/companies-act/art-121
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/417AC0000000086/art-121
- Every provision below carries its address and both URLs on the line under it.
- Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below.

Only the Japanese as published by the government has legal effect; the text
below is a copy of it. Every English rendering below is a translation and
says which kind: the Ministry of Justice's translation, or this
site's machine translation, whose model and date the Sources list names.
They are never merged and never substituted for one another.

---

### 第百二十一条（株主名簿） — (Shareholder Registers)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-121 · https://japanlaw.org/en/companies-act/art-121 · https://japanlaw.org/l/417AC0000000086/art-121</sup>

    **第一項**  株式会社は、株主名簿を作成し、これに次に掲げる事項（以下「株主名簿記載事項」という。）を記載し、又は記録しなければならない。
    <sup>art-121/par-1 · https://japanlaw.org/en/companies-act/art-121/par-1 · https://japanlaw.org/l/417AC0000000086/art-121/par-1</sup>
    A stock company must prepare a shareholder register and enter or record the following information (hereinafter referred to as "information required to be entered in the shareholder register") in the same:
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **一**  株主の氏名又は名称及び住所
      <sup>art-121/par-1/item-1 · https://japanlaw.org/en/companies-act/art-121/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-121/par-1/item-1</sup>
      the names and addresses of shareholders;
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **二**  前号の株主の有する株式の数（種類株式発行会社にあっては、株式の種類及び種類ごとの数）
      <sup>art-121/par-1/item-2 · https://japanlaw.org/en/companies-act/art-121/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-121/par-1/item-2</sup>
      the number of shares held by the shareholders referred to in the preceding item (or the classes of shares and number for each class for a company with class shares);
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **三**  第一号の株主が株式を取得した日
      <sup>art-121/par-1/item-3 · https://japanlaw.org/en/companies-act/art-121/par-1/item-3 · https://japanlaw.org/l/417AC0000000086/art-121/par-1/item-3</sup>
      the days when the shareholders referred to in item (i) acquired the shares; and
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **四**  株式会社が株券発行会社である場合には、第二号の株式（株券が発行されているものに限る。）に係る株券の番号
      <sup>art-121/par-1/item-4 · https://japanlaw.org/en/companies-act/art-121/par-1/item-4 · https://japanlaw.org/l/417AC0000000086/art-121/par-1/item-4</sup>
      if the stock company is a share certificate-issuing company, the serial numbers of share certificates representing the shares (limited to those for which share certificates are issued) under item (ii).
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

---

## Cites
- art-121/par-1/item-2: 前号 → 会社法 第百二十一条第一項第一号 (Article 121, paragraph (1), item (i)), art-121/par-1/item-1 — https://japanlaw.org/en/companies-act/art-121/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-121/par-1/item-1
- art-121/par-1/item-3: 第一号 → 会社法 第百二十一条第一項第一号 (Article 121, paragraph (1), item (i)), art-121/par-1/item-1 — https://japanlaw.org/en/companies-act/art-121/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-121/par-1/item-1
- art-121/par-1/item-4: 第二号 → 会社法 第百二十一条第一項第二号 (Article 121, paragraph (1), item (ii)), art-121/par-1/item-2 — https://japanlaw.org/en/companies-act/art-121/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-121/par-1/item-2

## Cited by

6 provisions cite this one. No official source publishes this direction.

- 会社法 第百二十一条第一項第二号（株主名簿） — https://japanlaw.org/en/companies-act/art-121/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-121/par-1/item-2
- 会社法 第百二十一条第一項第三号（株主名簿） — https://japanlaw.org/en/companies-act/art-121/par-1/item-3 · https://japanlaw.org/l/417AC0000000086/art-121/par-1/item-3
- 会社法 第百二十一条第一項第四号（株主名簿） — https://japanlaw.org/en/companies-act/art-121/par-1/item-4 · https://japanlaw.org/l/417AC0000000086/art-121/par-1/item-4
- 会社法 第百二十二条第一項（株主名簿記載事項を記載した書面の交付等） — https://japanlaw.org/en/companies-act/art-122/par-1 · https://japanlaw.org/l/417AC0000000086/art-122/par-1
- 会社法 第百五十四条の二第二項 — https://japanlaw.org/en/companies-act/art-154-2/par-2 · https://japanlaw.org/l/417AC0000000086/art-154-2/par-2
- 会社法 第二百九十四条第一項（無記名式の新株予約権証券等が提出されない場合） — https://japanlaw.org/en/companies-act/art-294/par-1 · https://japanlaw.org/l/417AC0000000086/art-294/par-1

---

## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 会社法 — the text in force from 2026-08-12 (https://laws.e-gov.go.jp/law/417AC0000000086/20260812_508AC0000000064), retrieved 2026-09-17
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Companies Act — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/4481/tb), retrieved 2026-09-17
- This site's parser, version 211 — 会社法 — structure, counts, cross-references and defined terms, computed 2026-09-17
