Worth reading
30Immaterial
0–100. This measures how worthwhile something is to read, not how good or bad the company is.Direction
Neutral
Direction inferred from the company’s description.Scale
—
Displayed only when the document provides numerical figures.Wording
Definitive
How definitive the wording is.Who is moving to which position
Resolved 26 February 2026Incoming appointee
7 itemsScheduled Appointment DateEffective 1 April 2026
笠原淳一
Previous positionDirectors
New positionRepresentative Director
山口祐輔
Previous position理事、札幌支店長
New position執行役員 札幌支店長
谷和仁
Previous position理事、社長室副室長
New position執行役員 国際事業本部副事業本部長
三池敏裕
Previous position理事、西日本営業本部副本部長
New position執行役員 西日本営業本部長
中村泰介
Previous position理事、土木営業本部営業部統括営業部長
New position執行役員 土木営業本部副本部長
海野晋
Previous position理事、管理本部総務部長
New position執行役員 管理本部総務部長
石久保猛
Previous position理事、関東支店長
New position執行役員 関東支店長
Date of birth1961年6月29日（笠原淳一）。その他はNot disclosed
Year joined the company1985年（笠原淳一）。その他はNot disclosed
Number of shares held2,791株（基準日：Not disclosed）
Because the names and counts do not correspond, they are shown as reported without linking the counts to individual names.Departing officer
9 itemsDate of departure31 March 2026
岡田正彦Next role stated
Former PositionRepresentative Director
New position取締役継続予定
土屋弘志Next role stated
Former Position副社長執行役員 営業総本部長兼国際事業担当
New positionScheduled to assume office as Advisor to the Company
谷山二朗Next role stated
Former Position副社長執行役員 サステナビリティ総本部長
New positionScheduled to assume office as Advisor to the Company
小口新平Next role stated
Former Position副社長執行役員 西日本営業本部長
New positionScheduled to assume office as Advisor to the Company
中屋亮Next role stated
Former Position常務執行役員 中国支店長
New positionScheduled to assume office as Advisor to the Company
鎌田優Next role stated
Former Position常務執行役員 建築営業本部長（第一）
New positionScheduled to assume office as Advisor to the Company
井尻裕二Next role stated
Former Position常務執行役員 原子力本部長
New position当社原子力本部 参事に就任予定
篠崎洋三Next role stated
Former Position常務執行役員 設計本部副本部長（構造）
New positionScheduled to assume office as Advisor to the Company
青木俊彦Next role stated
Former Position常務執行役員 国際事業本部副事業本部長（土木）
New position当社国際事業本部 参事に就任予定
“Next role stated” means the document names the position the person holds after stepping down. It does not necessarily mean they are leaving the company.
Whether the incumbent will remain in office (whether they will retain their position)
岡田正彦氏は取締役として継続予定。その他の退任執行役員については取締役会に残る旨の記載なし
Directors after the change11Number
Reason for change
Due to a change in the management structure.
Executive officers are responsible for day-to-day business execution and hold positions separate from directors under the Companies Act.
| Item | Details |
|---|---|
| Resolution date | 26 February 2026 |
| Scheduled Appointment Date | Effective 1 April 2026 |
| Date of departure | 31 March 2026 |
| Name of appointee | 笠原淳一, 山口祐輔, 谷和仁, 三池敏裕, 中村泰介, 海野晋, 石久保猛 |
| Appointee's new position | Representative Director, 執行役員 札幌支店長, 執行役員 国際事業本部副事業本部長, 執行役員 西日本営業本部長, 執行役員 土木営業本部副本部長, 執行役員 管理本部総務部長, 執行役員 関東支店長 |
| Appointee's previous position | Directors, 理事、札幌支店長, 理事、社長室副室長, 理事、西日本営業本部副本部長, 理事、土木営業本部営業部統括営業部長, 理事、管理本部総務部長, 理事、関東支店長 |
| Appointee's date of birth | 1961年6月29日（笠原淳一）。その他はNot disclosed |
| Year the appointee joined the Company | 1985年（笠原淳一）。その他はNot disclosed |
| Number of shares held by the appointee | 2,791株（基準日：Not disclosed） |
| Name of departing officer | 岡田正彦, 土屋弘志, 谷山二朗, 小口新平, 中屋亮, 鎌田優, 井尻裕二, 篠崎洋三, 青木俊彦 |
| Former position of departing officer | Representative Director, 副社長執行役員 営業総本部長兼国際事業担当, 副社長執行役員 サステナビリティ総本部長, 副社長執行役員 西日本営業本部長, 常務執行役員 中国支店長, 常務執行役員 建築営業本部長（第一）, 常務執行役員 原子力本部長, 常務執行役員 設計本部副本部長（構造）, 常務執行役員 国際事業本部副事業本部長（土木） |
| New position of departing officer | 取締役継続予定, Scheduled to assume office as Advisor to the Company, Scheduled to assume office as Advisor to the Company, Scheduled to assume office as Advisor to the Company, Scheduled to assume office as Advisor to the Company, Scheduled to assume office as Advisor to the Company, 当社原子力本部 参事に就任予定, Scheduled to assume office as Advisor to the Company, 当社国際事業本部 参事に就任予定 |
| Whether the incumbent will remain in office | 岡田正彦氏は取締役として継続予定。その他の退任執行役員については取締役会に残る旨の記載なし |
| Reason for change | Due to a change in the management structure. |
| Number of directors after the change | 11 (including 4 Outside Directors) |
Items this document does not state (6)
Reason for departureReasons for appointmentFiling as an independent officerDetails of organizational changesChange in Corporate Governance StructureSubject to Approval by the General Meeting of Shareholders
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.Due to a change in the management structure.
How to read this page
This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.