BillionToOne

1 serious warning sign in BillionToOne’s filings.

We look for five warning signs: doubt it can keep going, weak checks on its own accounts, a notice that its past accounts can't be relied on, a change of auditor, and one customer bringing in a big share of sales. We don't check lawsuits, investigations or debt yet.

We checked the auditor's report, internal controls, restatement notices, auditor changes and big customers in the 10-K filed 11 Mar 2026, plus the 10-Q filed 5 Aug 2026 and 4 later 8-Ks.

• Weak checks on its own accounts

  Serious

  The company said its checks on its own accounts did not work at the end of its latest quarter. Mistakes could slip into the numbers.

  “Based on such evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that these disclosure controls and procedures were not effective at the reasonable assurance level as of June 30, 2026 due to the material weaknesses in our internal control over financial reporting as described below.”

  Show the full paragraph

  Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)), as of the end of the period covered by this Quarterly Report on Form 10-Q. Based on such evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that these disclosure controls and procedures were not effective at the reasonable assurance level as of June 30, 2026 due to the material weaknesses in our internal control over financial reporting as described below.

  From the 10-Q filed 5 August 2026, Part I, Item 4. Controls and Procedures. Read it in the filing