Insider trade

Director sold ~$172K of DXCM shares in the open market

Traded Nov 14, 2025 · Filed Nov 17, 2025

DexcomDXCM

~$172K
Reported value · 2,906 sh @ $59.05: 35K
Holds after · shares reported: +48.5%
stock since the trade · S&P 500 +13.7%, $58.06 → $86.23 on Oct 1

Why it stands out

A board member of Dexcom sold $172K of Dexcom shares. It was planned long ago, so it says very little.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Nov 14, 2025
Reporting period: Not applicable
Filed with the SEC: Nov 17, 2025

DirectorIndirect holding$100K–$500KPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$171,599

Shares × reported transaction price

Timing vs results

15 days after results of Oct 30, 2025, 59 days before results of Jan 12, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $58.06 on Nov 14, 2025, 6% above its 52-week low and 36% below its high, after a 13% drop over the previous 30 trading days

52-week range $54.84 (Nov 10, 2025) to $90.75 (Feb 24, 2025), 9% of the way up, from 250 adjusted closes. 30 trading days earlier: $67.05 on Oct 3, 2025. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

Securities lawsuit open at the trade date

A securities lawsuit naming the company as a defendant was filed on Nov 10, 2025 in the U.S. District Court, S.D. New York. A filing is an allegation, not a finding.

5 such cases were open. Oakland County Employees Retirement System v. DexCom, Inc., docket 1:25-cv-09370, via CourtListener (court records). Nature of suit 850, company named as first defendant

After it was reported

After	Stock	S&P 500	Difference
7 days	+2.5%	+2.3%	+0.3%
30 days	+9.5%	+2.5%	+7.1%
90 days	+17.1%	+3.5%	+13.6%
180 days	+8.2%	+11.9%	-3.7%

Past results only. Not a forecast.

Source receipt

Record ID: 0001093557-25-000288
Filed / recorded: Nov 17, 2025, 10:52 PM UTC
Added to OQRO: Oct 2, 2026, 12:27 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: DEXCOM INC
Issuer CIK: 1093557
Ticker: DXCM
Reporting person: Richard Alexander Collins
Relationship: Director
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Nov 14, 2025
Transaction code: S
Shares / units: 2,906
Price per share: $59.05
Acquired / disposed: Disposed (D)
Shares owned after: 35,088
Ownership form: Indirect — by Trust
Amendment: No

Footnotes from the filing

On August 7, 2025, the Richard A. Collins Revocable Trust (the "Trust") adopted a 10b5-1 Plan. This 10b5-1 Plan allows the orderly disposition of shares owned by the Trust. The shares set forth above were sold pursuant to the 10b5-1 Plan.
Shares are held by the Richard A. Collins Revocable Trust, with respect to which the reporting person is a trustee.