Investor calendar

FY2027 (October 1, 2026 - September 30, 2027)

October 1st to Q4 announcement in November IR Silent Period*

*IR Silent Period.

In order to prevent the leakage of financial information and to ensure fair disclosure, Hamamatsu Photonics K.K. observes a "silent period" that commences on the day following the closing date of the fiscal period and ends on the day the related financial statements are released. During this period, we will not make any comments or respond to any questions concerning our business results for the relevant period. However, if we recognize during the silent period that the results will differ significantly from our forecast, we will disclose the relevant information in a timely manner. During the silent period we will gladly respond to any questions concerning information that has already been released.

Past related events

FY2026 (October 1, 2025 - September 30, 2026)
9/25(Fri) Hamamatsu Photonics K.K. announces nomination of candidates for Directors and appointment of Executive Officers (planned) [156 KB/PDF]
8/6(Thu) Databook for the Third Quarter of the Fiscal Year ended September 30, 2026 [91 KB/xlsx]
8/6(Thu) Hamamatsu Summary Report for the third Quarter of the Fiscal Year ending September 30, 2026 [1.8 MB/PDF]
8/6(Thu) Consolidated Financial Results for the Nine Months Ended June 30, 2026 (Japanese GAAP) [129 KB/PDF]
8/3(Mon) Notice Regarding the Status and Completion of Share Repurchase (Acquisition of own shares under the Articles of Incorporation pursuant to Article 165, paragraph 2 of the Companies Act of Japan) [41 KB/PDF]
7/1(Wed) Notice Regarding the Status of Repurchase of Own Shares (Acquisition of own shares under the Articles of Incorporation pursuant to Article 165, paragraph 2 of the Companies Act of Japan) [41 KB/PDF]
July 1st to Q3 announcement in August IR Silent Period*
6/1(Mon) Notice Regarding the Status of Repurchase of Own Shares (Acquisition of own shares under the Articles of Incorporation pursuant to Article 165, paragraph 2 of the Companies Act of Japan) [41 KB/PDF]
5/22(Fri) Integrated Report 2025 [13 MB/PDF]
5/14(Thu) Databook for the Second Quarter of the Fiscal Year ending September 30, 2026 [90 KB/xlsx]
5/14(Thu) Hamamatsu Summary Report for the Second Quarter of the Fiscal Year ending September 30, 2026 [1.6 MB/PDF]
5/14(Thu) Consolidated Financial Results for the Second Quarter of Fiscal Year ending September 30, 2026 [110 KB/PDF]
5/1(Wed) Notice Regarding the Status of Repurchase of Own Shares (Acquisition of own shares under the Articles of Incorporation pursuant to Article 165, paragraph 2 of the Companies Act of Japan) [41 KB/PDF]
4/1(Wed) Notice Regarding the Status of Repurchase of Own Shares (Acquisition of own shares under the Articles of Incorporation pursuant to Article 165, paragraph 2 of the Companies Act of Japan) [41 KB/PDF]
April 1st to Q2 announcement in May IR Silent Period*
3/2(Mon) Notice Regarding the Status of Repurchase of Own Shares (Acquisition of own shares under the Articles of Incorporation pursuant to Article 165, paragraph 2 of the Companies Act of Japan) [41 KB/PDF]
2/05(Thu) Databook for the First Quarter of the Fiscal Year ending September 30, 2026 [90 KB/xlsx]
2/05(Thu) Hamamatsu Summary Report for the First Quarter of the Fiscal Year ending September 30, 2026 [1.6 MB/PDF]
2/05(Thu) Consolidated Financial Results for the First Quarter of Fiscal Year ending September 30, 2026 [110 KB/PDF]
2/2(Mon) Notice Regarding the Status of Repurchase of Own Shares (Acquisition of own shares under the Articles of Incorporation pursuant to Article 165, paragraph 2 of the Companies Act of Japan) [41 KB/PDF]
1/16(Fri) Notice Regarding Completion of Payment for Issuance of New Shares as Restricted Stock Remuneration [55 KB/PDF]
1/5(Mon) Notice Regarding the Status of Repurchase of Own Shares (Acquisition of own shares under the Articles of Incorporation pursuant to Article 165, paragraph 2 of the Companies Act of Japan) [41 KB/PDF]
January 1st to Q1 announcement in February IR Silent Period*
12/22(Mon) Notice Regarding Issuance of New Shares as Restricted Stock Remuneration [32 KB/PDF]
12/01(Mon) Notice Regarding the Status of Repurchase of Own Shares (Acquisition of own shares under the Articles of Incorporation pursuant to Article 165, paragraph 2 of the Companies Act of Japan) [43 KB/PDF]
11/24(Mon) Notice of Convocation of the 78th Ordinary General Meeting of Shareholders [1.8 MB/PDF]
11/07(Fri) Announcement regarding Share Repurchase (Buyback of common shares pursuant to the Article of Incorporation in accordance with Article 165.2 of the Companies Act ) [41 KB/PDF]
11/07(Fri) Databook for the Fiscal Year ended September 30, 2025 [87 KB/xlsx]
11/07(Fri) Presentation Materials for the Fiscal Year ended September 30, 2025 [4.8 MB/PDF]
11/07(Fri) Consolidated Financial Results for the Fiscal Year ended September 30, 2025 [196 KB/PDF]
October 1st to Q4 announcement in November IR Silent Period*