DEXCOM INC 4

Dexcom EVP and Chief Legal Compliance Officer Michael Jon Brown sold 1,700 shares of Dexcom Inc. common stock at $91.93 per share under a 10b5-1 plan, leaving him with 102,953 shares outstanding.

On August 14, 2026, Dexcom Inc. EVP and Chief Legal Compliance Officer Michael Jon Brown sold 1,700 shares of Dexcom common stock at an average price of approximately $91.93 per share, for total proceeds of about $156,281. Following this planned sale, which was executed under a previously adopted Rule 10b5-1 trading plan dated November 26, 2025, Brown’s direct holdings totaled 102,953 shares of Dexcom common stock, including 74,753 unvested restricted stock units that will vest in tranches between 2027 and 2029. The transaction appears to be part of an orderly, pre-programmed diversification strategy rather than an opportunistic trade, and Brown remains a significant shareholder through his remaining equity position.

Filing Facts

CIK

1093557

Ticker

DXCM

Form

4

Source Type

sec

Accession

0001093557-26-000149

Alert Tier

5