Ribomic Inc. (4591) Reports Earnings: Operating Loss of 273 Million Yen

Ribomic Inc. (4591) has released its latest financial results, reporting net sales of 4 million yen, an operating loss of 273 million yen, an ordinary loss of 270 million yen, and a net loss of 270 million yen. Earnings per share (EPS) stood at -4.87 yen.

From a financial and valuation perspective, the equity ratio is 94.8%, interest-bearing debt is 0.0 billion yen, Return on Equity (ROE) is -38.93%, and Return on Assets (ROA) is -37.17%, reflecting ongoing profitability challenges characteristic of its development stage. Furthermore, EBITDA was -1.2 billion yen due to sustained investments in research and development, while retained earnings as of June 30, 2026 stood at approximately -3.460 billion yen.

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Correction (September 19, 2026)：The affected figures and reporting-period labels were corrected after checking the source disclosure. Source disclosure