Jonathan P. DiVincenzo, President and Chief Operating Officer of Bio-Rad Laboratories, Inc., filed a Form 4 on November 10, 2026, disclosing a sale of Bio-Rad Class A Common Stock on November 9, 2026.

Key Highlights

  • Reporting person: Jonathan P. DiVincenzo, President and COO of Bio-Rad Laboratories, Inc.
  • Transaction: Disposition (transaction code S) of 919 shares of Bio-Rad A Common Stock on November 9, 2026.
  • Sale price: $390.47 per share, as reported in the filing.
  • Remaining holdings: DiVincenzo directly held 1,962 shares of Bio-Rad A Common Stock following the transaction.
  • Ownership form: All reported shares are held directly (D) by the reporting person.
  • No derivative transactions: Table II of the filing contains no reported derivative security transactions.

DiVincenzo's November 9, 2026 Share Sale: Filing Details

According to the Form 4 filed with the U.S. Securities and Exchange Commission, Jonathan P. DiVincenzo, identified as President and COO of Bio-Rad Laboratories, Inc. (NASDAQ:BIO, BIO.B), reported a single open-market sale of 919 shares of Bio-Rad A Common Stock on November 9, 2026, at a price of $390.47 per share. The transaction is coded "S," indicating a sale, and the shares are listed as disposed of (D) in Table I of the filing.

Following the reported transaction, the filing states that DiVincenzo directly held 1,962 shares of Bio-Rad A Common Stock. No indirect ownership or derivative securities positions were reported in connection with this filing. The form was signed by Jonathan P. DiVincenzo and dated November 10, 2026, the day after the transaction date.

The filing does not indicate that the transaction was made pursuant to a Rule 10b5-1(c) plan, as the corresponding checkbox on the form was not checked. No explanation of responses or remarks were provided by the reporting person.

What Was Disclosed

The filing disclosed a sale of 919 shares of Bio-Rad A Common Stock by the company's President and COO at $390.47 per share on November 9, 2026, leaving the officer with a reported direct holding of 1,962 shares.