赛托生物发布上半年业绩，由盈转亏5268.71万元

Group 1 - The core viewpoint of the article is that Saito Bio (300583.SZ) reported a decline in revenue and incurred a net loss for the first half of 2025 [1] - The company achieved operating revenue of 508 million yuan, representing a year-on-year decrease of 10.39% [1] - The net loss attributable to shareholders of the listed company was 52.6871 million yuan [1] - The net loss attributable to shareholders after deducting non-recurring gains and losses was 53.4816 million yuan [1] - The basic loss per share was 0.28 yuan [1]