Illumina, Inc. director Keith A. Meister reported an ownership change in Illumina common stock tied to his board compensation for the second quarter of 2026. The Form 4 reports that on June 30, 2026, Meister received Illumina common stock in lieu of cash retainer fees. According to the explanatory note, Meister had elected to receive 100% of his 2026 board and committee cash retainer fees in Illumina stock. The shares reported in this filing represent his second-quarter 2026 retainer fees. Illumina calculates the number of shares issued by dividing the cash compensation otherwise payable for the just-completed quarter by the volume-weighted average closing price of Illumina shares over that quarter, based on each trading day during the period. The filing text provided does not show the exact number of shares issued, the transaction price, the transaction code, or Meister’s total beneficial ownership after the transaction. The filing also notes that certain Illumina securities are held for the accounts of private investment funds collectively referred to as the “Corvex Funds,” for which Corvex Management LP serves as investment adviser. These include Corvex Master Fund LP and Corvex Select Equity Master Fund LP. Meister is treated as having an indirect beneficial interest because the general partner of Corvex is controlled by him. The report was signed on Meister’s behalf by Robert Maynes on July 2, 2026. The action reflects compensation-related stock issuance to a director rather than an open-market purchase or sale.