DEXCOM INC 4

DexCom insider Nicholas Augustinos made a charitable gift of 1,075 shares of DexCom Inc. common stock from trust-held shares.

On August 12, 2026, reporting person Nicholas Augustinos, an insider of DexCom, Inc., made a charitable gift of 1,075 shares of DexCom common stock, coded as a Form 4 transaction type “G” (bona fide gift). The donated shares were held indirectly through the Kirschner/Augustinos Revocable Trust, for which the reporting person serves as trustee, and were transferred to a charitable donor advised fund. Following this donation, the trust’s indirect holdings reported on the form total 37,382 shares, while an additional 5,575 shares are held directly. No sale or purchase for cash consideration occurred; this filing reflects a non‑cash transfer for philanthropic purposes rather than a market transaction, and the remaining ownership position in DexCom stock remains substantial.

Filing Facts

CIK

1093557

Ticker

DXCM

Form

4

Source Type

sec

Accession

0001093557-26-000147

Alert Tier

4