Company: BLLN
Filing Date: 2025-11-10
Form Type: 8-K
Source: 0001193125-25-274195
Chunk: 0

Company: BillionToOne, Inc.
Filing Date: 2025-11-10
Form: 8-K
Item: Item 5.03
Chunk 0
---
Item 5.03      Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.  

On November 7, 2025, BillionToOne, Inc. (the “ Company”) filed its amended and restated certificate of incorporation (the “ Certificate of Incorporation”) with the Secretary of State of the State of Delaware, and its amended and restated bylaws (the “ Bylaws”) became effective, in connection with the closing of the initial public offering (the “ IPO”) of shares of the Company’s Class A common stock, par value $0.00001 per share (the “ Class A Common Stock”). As described in the final prospectus, dated November 5, 2025 (the “ Prospectus”), relating to the Registration Statement on FormS-1(FileNo. 333-290761), as amended, and filed with the Securities and Exchange Commission on November 6, 2025, pursuant to Rule 424(b) under the Securities Act of 1933, as amended, the Company’s board of directors and shareholders previously approved the amendment and restatement of these documents to be effective upon the completion of the IPO. A description of certain provisions of the Certificate of Incorporation and the Bylaws is set forth in the section titled “ Description of Capital Stock” in the Prospectus.