Half-year report · HY

Period2026-01-01 → 2026-06-30
Filed2026-08-10
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥16.6bn2026-01-01 → 2026-06-30Cons.Net sales
Revenue¥23.3bn2025-01-01 → 2025-12-31Cons.Net sales (5-year summary)
Revenue¥14.5bn2025-01-01 → 2025-06-30Cons.Net sales
Operating income¥2.6bn2026-01-01 → 2026-06-30Cons.Operating income
Operating income¥2.2bn2025-01-01 → 2025-06-30Cons.Operating income
Ordinary income¥2.3bn2026-01-01 → 2026-06-30Cons.Ordinary income
Ordinary income¥1.9bn2025-01-01 → 2025-12-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥2.1bn2025-01-01 → 2025-06-30Cons.Ordinary income
Profit before tax¥2.3bn2026-01-01 → 2026-06-30Cons.Income before income taxes
Profit before tax¥2.1bn2025-01-01 → 2025-06-30Cons.Income before income taxes
Net income (owners)¥1.6bn2026-01-01 → 2026-06-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥1.3bn2025-01-01 → 2025-12-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥1.4bn2025-01-01 → 2025-06-30Cons.Profit loss attributable to owners of parent
Net income¥1.6bn2026-01-01 → 2026-06-30Cons.Profit loss
Net income¥1.4bn2025-01-01 → 2025-06-30Cons.Profit loss
Total assets¥43.4bnat 2026-06-30Cons.Assets
Total assets¥40.7bnat 2025-12-31Cons.Assets
Total assets¥32.2bnat 2025-06-30Cons.Total assets (5-year summary)
Total liabilities¥28.5bnat 2026-06-30Cons.Liabilities
Total liabilities¥27.1bnat 2025-12-31Cons.Liabilities
Net assets / equity¥14.9bnat 2026-06-30Cons.Net assets
Net assets / equity¥13.6bnat 2025-12-31Cons.Net assets
Net assets / equity¥13.8bnat 2025-06-30Cons.Net assets (5-year summary)
Cash and deposits¥6.7bnat 2026-06-30Cons.Cash and deposits
Cash and deposits¥4.7bnat 2025-12-31Cons.Cash and deposits
Cash & equivalents¥5.9bnat 2026-06-30Cons.Cash and cash equivalents
Cash & equivalents¥4.0bnat 2025-12-31Cons.Cash and cash equivalents
Cash & equivalents¥5.1bnat 2025-06-30Cons.Cash and cash equivalents
Cash & equivalents¥4.4bnat 2024-12-31vCons.Cash and cash equivalents
Operating cash flow¥1.8bn2026-01-01 → 2026-06-30Cons.Net cash provided by used in operating activities
Operating cash flow−¥6.0bn2025-01-01 → 2025-12-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥3.4bn2025-01-01 → 2025-06-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥563m2026-01-01 → 2026-06-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥464m2025-01-01 → 2025-12-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥163m2025-01-01 → 2025-06-30Cons.Net cash provided by used in investment activities
Financing cash flow¥621m2026-01-01 → 2026-06-30Cons.Net cash provided by used in financing activities
Financing cash flow¥6.1bn2025-01-01 → 2025-12-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥2.5bn2025-01-01 → 2025-06-30Cons.Net cash provided by used in financing activities
EPS (basic)¥97.542026-01-01 → 2026-06-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥79.472025-01-01 → 2025-12-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥86.22025-01-01 → 2025-06-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio34.4%at 2026-06-30Cons.Equity to asset ratio (5-year summary)
Equity ratio33.3%at 2025-12-31Cons.Equity to asset ratio (5-year summary)
Equity ratio42.7%at 2025-06-30Cons.Equity to asset ratio (5-year summary)

Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.

All source rows · 419
ItemContextValueUnit
Amendment flagFilingDateInstantfalse
Identification of document subject to amendmentFilingDateInstant-
Report amendment flagFilingDateInstantfalse
Xbrl amendment flagFilingDateInstantfalse
Business results of group (text)FilingDateInstantText · Plus
Description of business (text)FilingDateInstantText · Plus
Business risks (text)FilingDateInstantText · Plus
Management analysis of financial position operating results and cash flows (text)FilingDateInstantText · Plus
Critical contracts (text)FilingDateInstantText · Plus
Total number of shares (text)FilingDateInstantText · Plus
Issued shares total number of shares etc (text)FilingDateInstantText · Plus
Class issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)普通株式
Name of financial instruments exchange on which securities are listed or authorized financial instruments business association to which securities are registeredFilingDateInstant_OrdinaryShareMember
Original text (Japanese)東京証券取引所(スタンダード市場)
Description issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)完全議決権株式であり、権利関係に何ら限定のない当社の標準となる株式であります。なお、単元株式数は100株であります。
Details of employee share option program (text)FilingDateInstantText · Plus
Other information on share acquisition rights (text)FilingDateInstantText · Plus
Exercises etc of moving strike convertible bonds etc (text)FilingDateInstantText · Plus
Changes in number of issued shares stated capital etc (text)FilingDateInstantText · Plus
Major shareholders (text)FilingDateInstantText · Plus
Name major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)松﨑 隆司
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)東京都江東区
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)松浦 正二
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)東京都小平市
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)株式会社日本カストディ銀行(信託口)
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都中央区晴海一丁目8番12号
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)小澤 順子
Address major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)千葉県流山市
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)サンセイ従業員持株会
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内二丁目6番1号
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)菊池 由佳
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)茨城県つくばみらい市
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)小澤 勇介
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)千葉県柏市
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)小澤 謙伍
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)千葉県流山市
Name major shareholdersInterimInstant_No9MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No9MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)矢澤 美和
Address major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)東京都千代田区
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsInterimInstant_SharesWithNoVotingRightsMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember
Original text (Japanese)完全議決権株式であり、権利内容に何ら限定のない当社の標準となる株式であります。なお、単元株式数は100株であります。
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember
Original text (Japanese)1単元(100株)に満たない株式
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)株式会社サンセイランディック
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)東京都千代田区丸の内二丁目6番1号
Information about officers (text)FilingDateInstantText · Plus

Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.

Data checks · 14 of 14 passed
balance sheet identityconsolidated 2025-12-31pass
balance sheet identityconsolidated 2026-06-30pass
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-12-31pass
statement vs summary · net assetsconsolidated 2026-06-30pass
statement vs summary · net income attributable to parentconsolidated 2025-01-01/2025-06-30pass
statement vs summary · net income attributable to parentconsolidated 2026-01-01/2026-06-30pass
statement vs summary · operating cash flowconsolidated 2025-01-01/2025-06-30pass
statement vs summary · operating cash flowconsolidated 2026-01-01/2026-06-30pass
statement vs summary · revenueconsolidated 2025-01-01/2025-06-30pass
statement vs summary · revenueconsolidated 2026-01-01/2026-06-30pass
statement vs summary · total assetsconsolidated 2025-12-31pass
statement vs summary · total assetsconsolidated 2026-06-30pass