Company Insider Tape

DexCom, Inc. insider transactions

Executive and director filing history, acquisition and disposal balance, executive concentration, cadence, and stored market context.

Symbol DXCM Latest filing 20 Jul 2026

Company Read

Net disposal

DXCM has 35 stored insider filings. Acquisitions account for 40.0% of classified filings and disposals account for 60.0%. The largest stored filing is $2.0M from SAYER, KEVIN R.

Latest filing 20 Jul 2026most recent stored row
Largest filing $2.0Mreported transaction value
Total filings 35stored transaction rows
Acquisition value $014 acquisitions
Disposal value $8.4M21 disposals
Net value $-8.4Macquisitions minus disposals

Filing cadence

Last 12 active months
Apr 2026 1
May 2026 26
Jun 2026 5
Jul 2026 3

Acquisitions 40.0% · Disposals 60.0%

Apr 2026 $107.2K
May 2026 $3.0M
Jun 2026 $1.1M
Jul 2026 $4.1M

Executive concentration

By filing count
FOLETTA, MARK G Director · 5 filings
SAYER, KEVIN R Director, Executive Chair · 3 filings
COLEMAN, JON EVP, Chief Commercial Officer · 3 filings
BROWN, MICHAEL JON EVP Chief Legal Compliance Off · 3 filings
ALTMAN, STEVEN R Director · 3 filings
AUGUSTINOS, NICHOLAS Director · 3 filings
COLLINS, RICHARD ALEXANDER Director · 3 filings
BROWN, MICHAEL JON EVP, Chief Legal Officer · 2 filings

Market Context

DXCM weekly market snapshot

Week 24 Jul 2026
Latest close 1235.00 MXNstored weekly close
1-week move -9.1%latest weekly bar
13-week move -0.5%medium-term context
Relative Strength -4.1Sharemaestro indicator
Fair value gap -21.5%price vs fair value
Trend signal 0smoothed trend state

Transaction History

Latest insider filings for DXCM

Showing 1-30 of 35
Date 20 Jul 2026
Insider SAYER, KEVIN RDirector, Executive Chair
Side Disposal
Shares 26756
Price 76.32
Value 2041999
Security Common Stock
Date 15 Jul 2026
Insider BROWN, MICHAEL JONEVP Chief Legal Compliance Off
Side Disposal
Shares 1700
Price 74.42
Value 126514
Security Common Stock
Date 6 Jul 2026
Insider SAYER, KEVIN RDirector, Executive Chair
Side Disposal
Shares 26756
Price 72.00
Value 1926432
Security Common Stock
Date 15 Jun 2026
Insider FOLETTA, MARK GDirector
Side Disposal
Shares 3801
Price 74.10
Value 281651
Security Common Stock
Date 15 Jun 2026
Insider BROWN, MICHAEL JONEVP Chief Legal Compliance Off
Side Disposal
Shares 1700
Price 75.55
Value 128435
Security Common Stock
Date 15 Jun 2026
Insider FOLETTA, MARK GDirector
Side Disposal
Shares 199
Price 74.82
Value 14889
Security Common Stock
Date 4 Jun 2026
Insider COLEMAN, JONEVP, Chief Commercial Officer
Side Disposal
Shares 4911
Price 74.13
Value 364052
Security Common Stock
Date 3 Jun 2026
Insider COLEMAN, JONEVP, Chief Commercial Officer
Side Disposal
Shares 4912
Price 73.00
Value 358576
Security Common Stock
Date 28 May 2026
Insider ALTMAN, STEVEN RDirector
Side Acquisition
Shares 5565
Price 0.00
Value 0
Security Common Stock
Date 28 May 2026
Insider ASHLEY, EUAN A.Director
Side Acquisition
Shares 5565
Price 0.00
Value 0
Security Common Stock
Date 28 May 2026
Insider AUGUSTINOS, NICHOLASDirector
Side Acquisition
Shares 5575
Price 0.00
Value 0
Security Common Stock
Date 28 May 2026
Insider COLLINS, RICHARD ALEXANDERDirector
Side Acquisition
Shares 5605
Price 0.00
Value 0
Security Common Stock
Date 28 May 2026
Insider DRISCOLL, RIMMADirector
Side Acquisition
Shares 5605
Price 0.00
Value 0
Security Common Stock
Date 28 May 2026
Insider FOLETTA, MARK GDirector
Side Acquisition
Shares 6331
Price 0.00
Value 0
Security Common Stock
Date 28 May 2026
Insider GALA, RENEE DDirector
Side Acquisition
Shares 5605
Price 0.00
Value 0
Security Common Stock
Date 28 May 2026
Insider HELLER, BRIDGETTE PDirector
Side Acquisition
Shares 5575
Price 0.00
Value 0
Security Common Stock
Date 28 May 2026
Insider MALADY, KYLEDirector
Side Acquisition
Shares 5575
Price 0.00
Value 0
Security Common Stock
Date 28 May 2026
Insider OSTERLOH, ALBERT FREDERICK IVDirector
Side Acquisition
Shares 1630
Price 0.00
Value 0
Security Common Stock
Date 22 May 2026
Insider COLEMAN, JONEVP, Chief Commercial Officer
Side Disposal
Shares 7362
Price 71.90
Value 529328
Security Common Stock
Date 22 May 2026
Insider BROWN, MICHAEL JONEVP Chief Legal Compliance Off
Side Disposal
Shares 1451
Price 71.90
Value 104327
Security Common Stock
Date 22 May 2026
Insider LEACH, JACOB STEVENDirector, President, CEO, and Director
Side Disposal
Shares 1451
Price 71.90
Value 104327
Security Common Stock
Date 22 May 2026
Insider STERN, SADIEEVP Chief People & Culture Off
Side Disposal
Shares 1451
Price 71.90
Value 104327
Security Common Stock
Date 22 May 2026
Insider SYLVAIN, JEREME MEVP, Chief Financal Officer
Side Disposal
Shares 1451
Price 71.90
Value 104327
Security Common Stock
Date 21 May 2026
Insider SAYER, KEVIN RDirector, Executive Chair
Side Disposal
Shares 26759
Price 72.00
Value 1926648
Security Common Stock
Date 15 May 2026
Insider BROWN, MICHAEL JONEVP, Chief Legal Officer
Side Disposal
Shares 1700
Price 59.91
Value 101847
Security Common Stock
Date 12 May 2026
Insider HELLER, BRIDGETTE PDirector
Side Disposal
Shares 1012
Price 60.01
Value 60730
Security Common Stock
Date 8 May 2026
Insider ALTMAN, STEVEN RDirector
Side Disposal
Shares 5037
Price 0.00
Value 0
Security Common Stock
Date 8 May 2026
Insider ALTMAN, STEVEN RDirector
Side Acquisition
Shares 5037
Price 0.00
Value 0
Security Common Stock
Date 8 May 2026
Insider AUGUSTINOS, NICHOLASDirector
Side Acquisition
Shares 5046
Price 0.00
Value 0
Security Common Stock
Date 8 May 2026
Insider AUGUSTINOS, NICHOLASDirector
Side Disposal
Shares 5046
Price 0.00
Value 0
Security Common Stock