Transaction · 0001093557-26-000181

Stern Sadie

Stern Sadie, ECP, CO, reported an open-market or private sale at DEXCOM INC involving 2565.000000 shares for an estimated $220974.75. Reported holdings after the transaction were 123478.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SECP, CO
DXCMDEXCOM INC
Filing timeSep 30
Trade dateSep 28, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded2.04%Shares sold ÷ (holdings after + shares sold). Estimated position before: 126,043 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$86.64
Pre-filing
1mo ago +4.8%1w ago +2.9%1d ago -0.0%
Returns since
7d30d90d180d1y

DXCM price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
DXCM since 2026-09-30Filed today · pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001093557-26-000181
Common Stock
Transaction date
Sep 28, 2026
Filed Sep 30, 2026, 08:15 PM · 2d delay
Shares
2.56k sh
$86.15 per share
Estimated value
-$220k
Computed from shares × price
Holdings after
123k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Direct Ownership 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

EVP Chief People & Culture Off

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    On May 28, 2026, Ms. Stern adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by Ms. Stern. The shares set forth above were sold pursuant to the 10b5-1 Plan.

  2. F2

    Included in this number are 71,903 unvested restricted stock units, 39,019 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 19,948 of which were granted on March 8, 2025 an…

Original filing · 0001093557-26-000181
Related transactions

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Same reporting owner
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