DexCom Ownership & Insider Activity

DexCom (DXCM) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.8% of shares outstanding. Institutional investors hold 71.5%. Over the past 90 days, insiders made 10 sales worth $6.6M.

Shares Outstanding

377.361M

Shares Float

326.909M

Insider Shares Owned

3.143M

Insider % Owned

0.8%

Institutional Shares Held

269.685M

Institutional % Held

71.5%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$6.6M total

Net Activity

Net Selling

Net Value (90d)

-$6.6M

DexCom Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 28, 2026	Sadie Stern	EVP CHIEF PEOPLE & CULTURE OFF	SELL	2.565K	$86.15	$221K
Sep 15, 2026	Michael Jon Brown	EVP CHIEF LEGAL COMPLIANCE OFF	SELL	1.700K	$84.04	$143K
Sep 14, 2026	Nicholas Augustinos	DIRECTOR	SELL	8.089K	$84.04	$680K
Sep 10, 2026	Jereme M Sylvain	EVP, CHIEF FINANCAL OFFICER	SELL	3.638K	$83.27	$303K
Aug 27, 2026	Sadie Stern	EVP CHIEF PEOPLE & CULTURE OFF	SELL	2.565K	$88.37	$227K
Aug 20, 2026	Kevin R Sayer	EXECUTIVE CHAIR	SELL	26.756K	$90.01	$2.4M
Aug 14, 2026	Michael Jon Brown	EVP CHIEF LEGAL COMPLIANCE OFF	SELL	1.700K	$91.93	$156K
Aug 12, 2026	Bridgette P Heller	DIRECTOR	SELL	1.012K	$88.29	$89K
Jul 31, 2026	Mark G Foletta	DIRECTOR	SELL	4.000K	$82.66	$331K
Jul 20, 2026	Kevin R Sayer	EXECUTIVE CHAIR	SELL	26.756K	$76.32	$2.0M
Jul 15, 2026	Michael Jon Brown	EVP CHIEF LEGAL COMPLIANCE OFF	SELL	1.700K	$74.42	$127K
Jul 6, 2026	Kevin R Sayer	EXECUTIVE CHAIR	SELL	26.756K	$72.00	$1.9M
Jun 15, 2026	Michael Jon Brown	EVP CHIEF LEGAL COMPLIANCE OFF	SELL	1.700K	$75.55	$128K
Jun 15, 2026	Mark G Foletta	DIRECTOR	SELL	4.000K	$74.13	$297K
Jun 3, 2026	Jon Coleman	EVP, CHIEF COMMERCIAL OFFICER	SELL	9.823K	$73.56	$723K
May 21, 2026	Kevin R Sayer	EXECUTIVE CHAIR	SELL	26.759K	$72.00	$1.9M
May 15, 2026	Michael Jon Brown	EVP, CHIEF LEGAL OFFICER	SELL	1.700K	$59.91	$102K
May 12, 2026	Bridgette P Heller	DIRECTOR	SELL	1.012K	$60.01	$61K

Date	Member	Party	Chamber	Action	Amount
May 7, 2026	Tina Smith	D	Senate	Sale	$100,001 - $250,000
Apr 29, 2026	Tina Smith	D	Senate	Sale (Partial)	$100,001 - $250,000
Jan 26, 2026	John Boozman	R	Senate	Purchase	$1,001 - $15,000
May 15, 2025	Robert Bresnahan	R	House	Purchase	$1,001 - $15,000
May 12, 2025	Jefferson Shreve	R	House	Sale	$15,001 - $50,000
May 8, 2025	Jefferson Shreve	R	House	Purchase	$15,001 - $50,000
Apr 8, 2025	Robert Bresnahan	R	House	Sale	$1,001 - $15,000
Apr 7, 2025	Jefferson Shreve	R	House	Sale	$15,001 - $50,000
Feb 25, 2025	Robert Bresnahan	R	House	Purchase	$1,001 - $15,000
Dec 31, 2024	Kevin Hern	R	House	Sale	$50,001 - $100,000