A Form 4 filed with the SEC on August 25, 2026 discloses that Jacob Steven Leach, President, CEO, and Director of DexCom Inc (NASDAQ:DXCM), had 1,451 shares of common stock withheld on August 22, 2026 to cover tax obligations related to the net settlement of restricted stock units.

Key Highlights

  • Transaction type: 1,451 shares disposed of (code F) at $92.34 per share to satisfy tax withholding on RSU net settlement, not a market sale.
  • Direct holdings after transaction: Leach directly beneficially owns 418,908 shares of common stock following the reported transaction.
  • Indirect holdings: An additional 47,296 shares are held indirectly through the Gregg Family Grandchildren's Trust UAD 12/30/2010, of which Leach's spouse is a trustee.
  • Unvested RSUs included: The 418,908 direct share figure includes 142,836 unvested restricted stock units across multiple grant dates.
  • RSU grant details: Unvested units include grants made March 8, 2024; March 8, 2025 (two separate tranches); and March 8, 2026, with vesting extending through March 8, 2029.
  • Filing signed: The form was signed by Jereme M. Sylvain as Attorney-in-Fact for Jacob Steven Leach on August 25, 2026.

DexCom CEO's RSU Tax Withholding and Beneficial Ownership Details

According to the filing, the August 22, 2026 transaction involved the issuer withholding 1,451 shares of DexCom common stock from Jacob Steven Leach to cover tax withholding and remittance obligations arising from the net settlement of restricted stock units. The filing explicitly notes this "does not represent a sale by the Reporting Person." The shares were disposed of at a price of $92.34 each under transaction code F.

Following the transaction, Leach directly beneficially owns 418,908 shares. The filing discloses that this total includes 142,836 unvested restricted stock units. Of those unvested units, 104,516 were granted on March 8, 2026 and are scheduled to vest through March 8, 2029; 23,937 were granted on March 8, 2025 and vest through March 8, 2028; 5,699 were granted on March 8, 2025 and vest through March 8, 2027; and 8,684 were granted on March 8, 2024 and vest through March 8, 2027.

In addition to his direct holdings, the filing reports that Leach indirectly beneficially owns 47,296 shares held by the Gregg Family Grandchildren's Trust UAD 12/30/2010. The filing states that Leach's spouse serves as trustee of that trust. No derivative securities transactions were reported in Table II of the filing.

What Was Disclosed

The Form 4 reports a single tax-withholding share disposition by DexCom's President and CEO on August 22, 2026, along with updated direct and indirect beneficial ownership totals and details on multiple outstanding unvested RSU grants.