Osterloh Albert Frederick IV 4

4 · DEXCOM INC · Filed Jun 1, 2026

AI-generated summary of this filing

Updated Jun 1, 2026

DexCom (DXCM) Director Albert Osterloh Receives RSU Award

What Happened

Albert Frederick Osterloh IV, a director of DexCom, Inc. (DXCM), was granted 1,630 restricted stock units (RSUs) on May 28, 2026. The award was recorded at $0.00 per share (RSUs represent a contingent right to receive one share upon settlement).

Key Details

Transaction date and terms: May 28, 2026 — Grant/award of 1,630 RSUs at $0.00 per RSU (no cash purchase).
Vesting: 100% of the 1,630 RSUs vest on the earlier of the one-year anniversary of the grant (May 28, 2027) or DexCom’s 2027 Annual Meeting of Stockholders. (Footnote F1)
Shares owned after transaction: Filing indicates 8,691 unvested RSUs in total beneficially held, which includes the 1,630 RSUs granted May 28, 2026 and 7,061 RSUs granted Feb 26, 2026 that vest through Feb 26, 2029. (Footnote F2)
Timeliness: Form 4 was filed on June 1, 2026 covering the May 28, 2026 grant; this filing is within the SEC’s two-business-day reporting window.

Context

This was an equity award (compensation/retention grant), not an open-market purchase or sale. RSUs are not immediate cash inflows — they convert to common shares upon vesting/settlement and do not necessarily indicate buying or selling sentiment.

Form 4

Period: 2026-05-28

Director

Transactions

Footnotes (2)

[F1]The RSU Award was granted on May 28, 2026 and 100% of the RSU Award will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders. Each share is represented by a restricted stock unit (RSU) that represents a contingent right to receive one share of DexCom, Inc. Common Stock upon settlement.
[F2]Included in this number are 8,691 unvested restricted stock units, 1,630 of which were granted on May 28, 2026 and will vest on the earlier of the one year anniversary of the grant date or the date of DexCom, Inc.'s 2027 Annual Meeting of Stockholders, and 7,061 of which were granted on February 26, 2026 and shall vest through February 26, 2029.

Signature

/s/ Jereme M. Sylvain, as Attorney-in-Fact for Albert Frederick (Rick) Osterloh IV|2026-06-01

1 file