{"url_path":"/sec/goss/8-k/2026-09-11/item-8-01","section_key":"item-8-01","section_title":"Item 8.01 Other Events.","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-09-11","source_url":"https://www.sec.gov/Archives/edgar/data/1728117/0001728117-26-000094-index.html","accession_number":"0001728117-26-000094","cik":"0001728117","ticker":"GOSS","issuer_name":"Gossamer Bio, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1728117/0001728117-26-000094-index.html","primary_entity_key":"0001728117","primary_entity_name":"Gossamer Bio, Inc."},"word_count":377,"has_tables":true,"body_markdown":"Item 8.01 Other Events.\n\nOn September 11, 2026, the Company issued a press release announcing the effectiveness of the Reverse Stock Split and Authorized Share Reduction. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.\n\n* * *\n\nNote Regarding Forward-Looking Statements.\n\nThe Company cautions you that statements contained in this report regarding matters that are not historical facts are forward-looking statements. These statements are based on the Company’s current beliefs and expectations. Such forward-looking statements include, but are not limited to, statements regarding: the expected commencement of trading of the Common Stock on a split-adjusted basis, the anticipated impact of the Reverse Stock Split on the Company’s ability to regain compliance with the Nasdaq minimum bid price requirement, and the continued listing of the Common Stock on the Nasdaq Global Select Market. The inclusion of forward-looking statements should not be regarded as a representation by Gossamer that any of its plans will be achieved. Actual results may differ from those set forth in this report due to the risks and uncertainties inherent in Gossamer’s business, including, without limitation: the Reverse Stock Split may not result in a sustained increase in the price of the Company’s Common Stock and may not satisfy the Nasdaq minimum bid price requirement; the reverse stock split may impact our results of operations, business operations and reputation as well as the trading prices and volatility of the common stock; unstable market and economic conditions and changes in healthcare legislation, tariffs and trade policies may adversely affect the Company’s business and financial condition and the broader economy and biotechnology industry; and other risks described in the Company’s filings with the Securities and Exchange Commission (“SEC”), including under the heading “Risk Factors” in the Company’s annual report on Form 10-K and any subsequent filings with the SEC. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof, and Gossamer undertakes no obligation to update such statements to reflect events that occur or circumstances that exist after the date hereof. All forward-looking statements are qualified in their entirety by this cautionary statement, which is made under the safe harbor provisions of the Private Securities Litigation Reform Act of 1995."}