D

DXCM

DXCM

UnknownUnknown

Company information not available. Track real-time insider trading activity, SEC Form 4 filings, and executive stock transactions.

Insider Sentiment
Based on recent trading activity
0%Bearish
Buy/Sell Ratio0% buys
BearishBullish

Insider Buys

0

$0

Insider Sales

1

$221K

Total Volume

$221K

42 transactions

Net Activity

$221K

Net selling

Proprietary Ratings
Calculated from Form 4 transactions
35Confidence

Sentiment Rating

Moderate Distribution

CEO Conviction Index

No Recent Signal

Key Drivers

  • •Heavy distribution: sales represent 100% of total transaction value.
Score Methodology

The Insider Confidence Score (1-100) measures executive conviction. Starting from a neutral 50, it adjusts based on:

  • +15Strong Buy Ratio: Purchases > 70% of volume (or up to -15 for heavy sales).
  • +20Cluster Buying: ≥3 unique insiders buying within a 30-day window.
  • +15CEO Buying: CEO committing own capital shows high conviction.
  • +10CFO Buying: CFO purchasing shares shows financial alignment.
Sector & Industry
Unknown Comparison
Industry Buy Conviction50%
DXCM Buy Conviction0%
Industry Rank#4 of 294
Volume Contribution0.0%
Total Industry Activity$0

DXCM has an insider buy conviction of 0%, compared to the Unknown sector buy average of 50%. DXCM ranks #4 in insider activity out of 294 tracked companies in its industry.

Top Insiders
Most active traders
S
1

Stern Sadie

EVP Chief People, Culture Off

0 buys1 sells

$221K total

M
2

Multiple Insiders

S - Sale Insiders

0 buys41 sells

$0 total

Insider Trading Summary
Automated trend commentary

Over the last 90 days, corporate insiders at DXCM (DXCM) engaged in a total of 42 transactions reported via SEC Form 4 filings. Among these, 0 were open-market purchases and 1 were sales. The total volume of insider trading reached $221K.

The net insider activity for DXCM shows a net selling bias of $221K. This activity represents a 0% buy ratio, suggesting that insiders are currently bearish on the company's near-term outlook relative to recent history.

The most notable individual transaction was a Sale by Stern Sadie (EVP Chief People, Culture Off), who traded 2.6K shares valued at $221K on Sep 28, 2026.

Trading History
DXCM insider transactions from SEC Form 4 filings
DateInsiderTypeSharesPriceValueFiling

Sep 28, 2026

3 days ago

Stern Sadie

EVP Chief People, Culture Off

EVP
Sell2.6K$86.15$221K

Sep 28, 2026

3 days ago

Multiple Insiders

S - Sale Insiders

Insider
Sell123.5K$-2565.00$0

Sep 15, 2026

2 weeks ago

Multiple Insiders

S - Sale Insiders

Insider
Sell99.9K$-1700.00$0

Sep 14, 2026

2 weeks ago

Multiple Insiders

S - Sale Insiders

Insider
Sell34.9K$-8089.00$0

Sep 10, 2026

3 weeks ago

Multiple Insiders

S - Sale Insiders

Insider
Sell146.8K$-3638.00$0

Aug 27, 2026

1 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell126.0K$-2565.00$0

Aug 20, 2026

1 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell302.2K$-26756.00$0

Aug 14, 2026

1 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell103.0K$-1700.00$0

Aug 12, 2026

1 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell29.6K$-1012.00$0

Jul 31, 2026

2 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell55.2K$-4000.00$0

Jul 20, 2026

2 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell329.0K$-26756.00$0

Jul 15, 2026

2 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell104.7K$-1700.00$0

Jul 6, 2026

2 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell355.7K$-26756.00$0

Jun 15, 2026

3 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell106.4K$-1700.00$0

Jun 3, 2026

4 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell95.5K$-9823.00$0

May 21, 2026

4 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell382.5K$-26759.00$0

May 15, 2026

4 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell109.5K$-1700.00$0

May 12, 2026

4 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell25.0K$-1012.00$0

Apr 15, 2026

5 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell111.2K$-1700.00$0

Mar 16, 2026

6 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell112.9K$-1700.00$0

Feb 12, 2026

7 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell26.0K$-1012.00$0

Nov 14, 2025

10 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell40.2K$-2906.00$0

Nov 12, 2025

10 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell27.0K$-1012.00$0

Nov 10, 2025

10 months ago

Multiple Insiders

P - Purchase Insiders

Insider
Sell379.0K$18200.00$0

Sep 5, 2025

13 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell22.7K$-667.00$0

Sep 4, 2025

13 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell105.2K$-1466.00$0

Sep 2, 2025

13 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell118.7K$-4824.00$0

Aug 15, 2025

13 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell94.1K$-500.00$0

Jul 28, 2025

14 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell106.7K$-1466.00$0

Jul 15, 2025

14 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell59.6K$-2750.00$0

Jun 26, 2025

15 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell108.2K$-1466.00$0

Jun 16, 2025

15 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell62.4K$-2750.00$0

Jun 13, 2025

15 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell38.5K$-6290.00$0

May 23, 2025

16 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell95.6K$-10000.00$0

May 27, 2025

16 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell109.6K$-6184.00$0

Mar 17, 2025

18 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell23.0K$-352.00$0

Mar 12, 2025

18 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell360.8K$-14076.00$0

Mar 10, 2025

19 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell135.5K$-7000.00$0

Jan 29, 2025

20 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell83.5K$-2090.00$0

Dec 16, 2024

21 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell70.8K$-424.00$0

Nov 20, 2024

22 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell71.2K$-4259.00$0

Nov 15, 2024

22 months ago

Multiple Insiders

S - Sale Insiders

Insider
Sell80.8K$-3500.00$0

FAQs About DXCM Insider Trading

Answers to common questions regarding corporate filings and executive sentiment for DXCM.

Based on SEC Form 4 disclosures, the Insider Confidence Score for DXCM is currently 35/100, which reflects a moderate distribution bias. This calculation accounts for a total of 0 purchases and 1 sales by company executives over the last 90 days.

The CEO Conviction Index for DXCM is rated as "No Recent Signal". Executive buying is typically a strong vote of confidence as C-level leaders have the most intimate knowledge of their firm's prospects. Officer selling, on the other hand, is often routine and does not automatically signal operational weakness.

No. Insider tracking is a highly informative technical signal that indicates executive sentiment, but it should not be the sole basis for a transaction. Investors should combine this filing analysis with company financials, sector trends, and risk management criteria.