{"filing":{"accession_number":"0001213900-26-080010","cik":"0001975641","ticker":"ZYBT","company_name":"Zhengye Biotechnology Holding Ltd","form":"6-K","filing_date":"2026-07-21","report_date":null,"primary_document":"ea0298686-6k_zhengye.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1975641/000121390026080010/ea0298686-6k_zhengye.htm"},"events":[{"id":19115,"run_id":17203,"accession_number":"0001213900-26-080010","anchor_item_number":"EX-99.1","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.72,"summary":"This press release addresses \"unusual trading activity\" in the Company's securities, with the Company confirming it is \"not aware of any material non-public information\" that would explain the price and volume movements. While the Company states its business continues in the ordinary course with no undisclosed corporate developments, the fact that management felt compelled to issue a public statement in response to significant trading volatility—and to confirm the absence of material non-public information—suggests an event material to investors' assessment of the registrant. The disclosure does not fit neatly into any specific event category (not an earnings release, executive change, M\u0026A, restatement, or other named type), but the trading anomaly and management's response would affect a reasonable investor's evaluation of the stock and the company's transparency.","company_name":"Zhengye Biotechnology Holding Ltd","ticker":"ZYBT","filing_date":"2026-07-21","form":"6-K","submitted_at":null,"items":[{"id":18113,"accession_number":"0001213900-26-080010","item_number":"EX-99.1","item_title":"ea029868601ex99-1.htm","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.72,"reasoning":"This press release addresses \"unusual trading activity\" in the Company's securities, with the Company confirming it is \"not aware of any material non-public information\" that would explain the price and volume movements. While the Company states its business continues in the ordinary course with no undisclosed corporate developments, the fact that management felt compelled to issue a public statement in response to significant trading volatility—and to confirm the absence of material non-public information—suggests an event material to investors' assessment of the registrant. The disclosure does not fit neatly into any specific event category (not an earnings release, executive change, M\u0026A, restatement, or other named type), but the trading anomaly and management's response would affect a reasonable investor's evaluation of the stock and the company's transparency.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-21T20:11:51.327381+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":18113,"accession_number":"0001213900-26-080010","item_number":"EX-99.1","item_title":"ea029868601ex99-1.htm","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.72,"reasoning":"This press release addresses \"unusual trading activity\" in the Company's securities, with the Company confirming it is \"not aware of any material non-public information\" that would explain the price and volume movements. While the Company states its business continues in the ordinary course with no undisclosed corporate developments, the fact that management felt compelled to issue a public statement in response to significant trading volatility—and to confirm the absence of material non-public information—suggests an event material to investors' assessment of the registrant. The disclosure does not fit neatly into any specific event category (not an earnings release, executive change, M\u0026A, restatement, or other named type), but the trading anomaly and management's response would affect a reasonable investor's evaluation of the stock and the company's transparency.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-21T20:11:51.327381+00:00","company_name":"Zhengye Biotechnology Holding Ltd","ticker":"ZYBT","filing_date":"2026-07-21"}]}