DXCM Insider Trading

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Insider Trading History
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Insider Ownership Percentage: 0.28%

Insider Buying (Last 12 Months): $1,001,728.00

Insider Selling (Last 12 Months): $9,553,730.64

DexCom Insider Trading History Chart

DexCom Share Price & Price History

^$89.35

▲ +1.42 (1.61%)

As of 09/18/2026 04:00 PM ET

Days: 30 | 90 | 365

DexCom Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
9/15/2026	Michael Jon Brown	EVP	Sell	1,700	$84.04	$142,868.00	99,885
9/15/2026	Nicholas Augustinos	Director	Sell	6,539	$84.04	$549,537.56	29,293
9/14/2026	Nicholas Augustinos	Director	Sell	1,550	$84.02	$130,231.00	35,832
9/10/2026	Jereme M Sylvain	EVP	Sell	3,638	$83.27	$302,936.26	146,828
8/27/2026	Sadie Stern	EVP	Sell	2,565	$88.37	$226,669.05	126,043
8/3/2026	Mark G. Foletta	Director	Sell	2,000	$85.32	$170,640.00	48,852
7/31/2026	Mark G. Foletta	Director	Sell	2,000	$80.00	$160,000.00	50,852
7/20/2026	Kevin R Sayer	Insider	Sell	26,756	$76.32	$2,042,017.92	328,970
7/6/2026	Kevin R Sayer	Insider	Sell	26,756	$72.00	$1,926,432.00	355,726
6/15/2026	Mark G. Foletta	Director	Sell	4,000	$74.13	$296,520.00	52,852
6/15/2026	Michael Jon Brown	EVP	Sell	1,700	$75.55	$128,435.00	106,353
6/4/2026	Jon Coleman	EVP	Sell	4,911	$74.13	$364,052.43	95,450
6/3/2026	Jon Coleman	EVP	Sell	4,912	$73.00	$358,576.00	100,361
5/21/2026	Kevin R Sayer	Insider	Sell	26,759	$72.00	$1,926,648.00	382,482
5/15/2026	Michael Jon Brown	EVP	Sell	1,700	$59.91	$101,847.00	109,504
5/12/2026	Bridgette P Heller	Director	Sell	1,012	$60.01	$60,730.12	25,007
4/15/2026	Michael Jon Brown	EVP	Sell	1,700	$63.04	$107,168.00	111,204
3/16/2026	Michael Jon Brown	EVP	Sell	1,700	$64.85	$110,245.00	112,904
11/14/2025	Richard Alexander Collins	Director	Sell	2,906	$59.05	$171,599.30	35,088
11/12/2025	Bridgette P Heller	Director	Sell	1,012	$58.07	$58,766.84	27,031
11/10/2025	Jacob Steven Leach	COO	Buy	18,200	$55.04	$1,001,728.00	331,697
11/10/2025	Richard Alexander Collins	Director	Sell	3,948	$55.17	$217,811.16	37,994
9/5/2025	Kyle Malady	Director	Sell	667	$80.86	$53,933.62	22,667
9/4/2025	Sadie Stern	EVP	Sell	1,466	$80.00	$117,280.00	105,223
8/15/2025	Mark G. Foletta	Director	Sell	2,750	$81.06	$222,915.00	51,121
8/15/2025	Michael Jon Brown	EVP	Sell	500	$80.29	$40,145.00	94,102
7/28/2025	Sadie Stern	EVP	Sell	1,466	$88.99	$130,459.34	106,689
6/26/2025	Sadie Stern	EVP	Sell	1,466	$85.06	$124,697.96	108,155
6/16/2025	Mark G. Foletta	Director	Sell	2,750	$83.13	$228,607.50	56,621
6/16/2025	Michael Jon Brown	EVP	Sell	500	$82.80	$41,400.00	95,102
6/16/2025	Nicholas Augustinos	Director	Sell	3,672	$82.80	$304,041.60	33,411
6/13/2025	Nicholas Augustinos	Director	Sell	2,618	$81.69	$213,864.42	37,083
5/27/2025	Sadie Stern	EVP	Sell	6,184	$85.11	$526,320.24	109,621
5/23/2025	Michael Jon Brown	EVP	Sell	10,000	$84.28	$842,800.00	95,602
3/17/2025	Bridgette P Heller	Director	Sell	352	$70.33	$24,756.16	22,997
3/12/2025	Jacob Steven Leach	COO	Sell	14,076	$70.38	$990,668.88	313,497
3/12/2025	Kevin R Sayer	CEO	Sell	32,498	$70.38	$2,287,209.24	372,029
3/12/2025	Michael Jon Brown	EVP	Sell	13,000	$70.38	$914,940.00	105,602
3/10/2025	Jereme M Sylvain	EVP	Sell	7,000	$73.83	$516,810.00	135,482
1/29/2025	Jacob Steven Leach	COO	Sell	2,634	$86.91	$228,920.94	268,644
1/29/2025	Jereme M Sylvain	EVP	Sell	2,090	$86.91	$181,641.90	83,526
1/29/2025	Kevin R Sayer	CEO	Sell	33,359	$86.91	$2,899,230.69	319,037
11/20/2024	Sadie Stern	EVP	Sell	4,259	$74.73	$318,275.07	71,192
9/9/2024	Jacob Steven Leach	COO	Sell	746	$69.15	$51,585.90	264,915
9/9/2024	Sadie Stern	EVP	Sell	426	$69.15	$29,457.90	75,451
7/31/2024	Michael Jon Brown	EVP	Sell	652	$69.55	$45,346.60	66,249
6/28/2024	Michael Jon Brown	EVP	Sell	659	$114.29	$75,317.11	66,901
6/14/2024	Bridgette P Heller	Director	Sell	1,000	$113.55	$113,550.00	25,349
6/10/2024	Jereme M Sylvain	CFO	Sell	745	$115.05	$85,712.25	84,948
6/10/2024	Sadie Stern	EVP	Sell	427	$115.05	$49,126.35	75,877
5/31/2024	Michael Jon Brown	EVP	Sell	652	$119.24	$77,744.48	67,560
4/30/2024	Michael Jon Brown	EVP	Sell	629	$126.25	$79,411.25	68,212
4/15/2024	Matthew Vincent Dolan	EVP	Sell	1,990	$137.81	$274,241.90	42,377
4/8/2024	Kevin R Sayer	CEO	Sell	49,633	$138.30	$6,864,243.90	283,893
3/28/2024	Michael Jon Brown	EVP	Sell	2,624	$140.04	$367,464.96	68,682
3/25/2024	Sadie Stern	EVP	Sell	4,137	$140.00	$579,180.00	76,304
3/12/2024	Jacob Steven Leach	COO	Sell	14,639	$134.41	$1,967,627.99	273,913
3/12/2024	Jereme M Sylvain	CFO	Sell	11,661	$134.41	$1,567,355.01	85,534
3/12/2024	Kevin R Sayer	CEO	Sell	81,007	$133.36	$10,803,093.52	333,526
3/12/2024	Sadie Stern	EVP	Sell	20,321	$133.61	$2,715,088.81	80,441
2/20/2024	Jereme M Sylvain	CFO	Sell	3,363	$116.73	$392,562.99	71,142
1/16/2024	Jacob Steven Leach	COO	Sell	3,978	$123.63	$491,800.14	262,499
1/16/2024	Jereme M Sylvain	CFO	Sell	2,734	$123.63	$338,004.42	74,505
1/16/2024	Kevin R Sayer	CEO	Sell	37,325	$123.63	$4,614,489.75	362,841
1/16/2024	Sadie Stern	EVP	Sell	2,902	$123.63	$358,774.26	79,051
1/16/2024	Steven R. Altman	Director	Sell	1,568	$122.86	$192,644.48	53,132
12/12/2023	Steven R. Altman	Director	Sell	3,000	$120.00	$360,000.00	56,700
12/11/2023	Sadie Stern	EVP	Sell	392	$117.66	$46,122.72	76,008
12/1/2023	Michael Jon Brown	EVP	Sell	3,612	$114.56	$413,790.72	58,394
11/24/2023	Steven Robert Pacelli	Director	Sell	411	$110.80	$45,538.80	124,775
11/22/2023	Sadie Stern	EVP	Sell	1,176	$110.00	$129,360.00	76,400
11/15/2023	Steven R. Altman	Director	Sell	1,000	$101.26	$101,260.00	59,700
11/8/2023	Barry J. Regan	EVP	Sell	2,019	$95.22	$192,249.18	64,250
10/23/2023	Steven Robert Pacelli	Director	Sell	411	$85.75	$35,243.25	125,186
10/16/2023	Steven R. Altman	Director	Sell	1,000	$77.58	$77,580.00	60,700
9/22/2023	Steven Robert Pacelli	Director	Sell	411	$88.40	$36,332.40	125,597

SEC Filings (Institutional Ownership Changes) for DexCom (NASDAQ:DXCM)

97.75% of DexCom stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

DexCom Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
9/15/2026	Reynders McVeigh Capital Management LLC	3,390	$0.23M	0.0%	-8.6%	0.001%
9/9/2026	Sequoia Financial Advisors LLC	19,116	$1.29M	0.0%	+15.1%	0.005%
9/9/2026	Tidal Investments LLC	65,922	$4.44M	0.0%	+6.5%	0.017%
9/9/2026	Van Hulzen Asset Management LLC	3,420	$0.23M	0.0%	N/A	0.001%
9/9/2026	Scholtz & Company LLC	77,334	$5.21M	2.6%	+12.7%	0.020%
9/9/2026	National Pension Service	660,309	$44.47M	0.0%	+3.9%	0.175%
9/9/2026	WINTON GROUP Ltd	136,493	$9.19M	0.3%	+226.1%	0.036%
9/9/2026	Engineers Gate Manager LP	33,400	$2.25M	0.0%	+15.3%	0.009%
9/9/2026	Integrated Wealth Concepts LLC	9,716	$0.65M	0.0%	+6.8%	0.003%
9/9/2026	NewEdge Advisors LLC	29,455	$1.98M	0.0%	+9.5%	0.008%
9/9/2026	Baird Financial Group Inc.	293,946	$19.80M	0.0%	-36.9%	0.078%
9/8/2026	Allworth Financial LP	7,668	$0.52M	0.0%	+22.8%	0.002%
9/8/2026	Arizona State Retirement System	110,345	$7.43M	0.0%	+4.1%	0.029%
9/8/2026	Waverly Advisors LLC	64,920	$4.37M	0.0%	+18.6%	0.017%
9/8/2026	Empirical Finance LLC	12,972	$0.87M	0.0%	+3.7%	0.003%
9/8/2026	Nykredit A S	119,636	$8.06M	0.0%	N/A	0.032%
8/27/2026	Corient Private Wealth LP	130,738	$8.81M	0.0%	+3.1%	0.035%
8/26/2026	Brown Financial Advisors	17,222	$1.16M	0.4%	+13.7%	0.005%
8/26/2026	HighTower Advisors LLC	106,580	$7.18M	0.0%	-9.7%	0.028%
8/25/2026	Groupe la Francaise	75,630	$5.10M	0.1%	-98.8%	0.020%
8/25/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	538,750	$36.29M	0.2%	N/A	0.143%
8/23/2026	Wedmont Private Capital	3,406	$0.23M	0.0%	-17.4%	0.001%
8/23/2026	HB Wealth Management LLC	8,707	$0.59M	0.0%	+16.5%	0.002%
8/23/2026	Saudi Central Bank	26,941	$1.81M	0.0%	+87.1%	0.007%
8/22/2026	Plan A Wealth LLC	3,436	$0.23M	0.1%	N/A	0.001%
8/22/2026	Syon Capital LLC	6,139	$0.41M	0.0%	-6.7%	0.002%
8/22/2026	denkapparat Operations GmbH	7,070	$0.48M	0.2%	N/A	0.002%
8/22/2026	TD Waterhouse Canada Inc.	6,704	$0.46M	0.0%	+40.4%	0.002%
8/22/2026	Kampmann Melissa S.	36,343	$2.45M	1.8%	-1.2%	0.010%
8/22/2026	Concurrent Investment Advisors LLC	5,432	$0.37M	0.0%	-18.0%	0.001%
8/22/2026	NEOS Investment Management LLC	321,866	$21.68M	0.1%	+19.3%	0.085%
8/21/2026	Paragon Private Wealth Management LLC	10,567	$0.71M	0.2%	N/A	0.003%
8/21/2026	Continuum Advisory LLC	1,146	$77K	0.0%	N/A	0.000%
8/21/2026	Alamar Capital Management LLC	12,080	$0.81M	0.4%	-11.2%	0.003%
8/21/2026	Nykredit A S	141,032	$9.50M	0.0%	N/A	0.037%
8/21/2026	B. Metzler seel. Sohn & Co. AG	47,413	$3.19M	0.0%	+2.3%	0.013%
8/21/2026	Natural Investments LLC	10,232	$0.69M	0.2%	+46.5%	0.003%
8/20/2026	Nwam LLC	7,965	$0.54M	0.0%	+12.5%	0.002%
8/20/2026	Rehmann Capital Advisory Group	5,213	$0.35M	0.0%	+7.4%	0.001%
8/20/2026	Montanova Capital LLC	101,980	$6.87M	0.1%	+221.9%	0.027%
8/20/2026	Grandeur Peak Global Advisors LLC	46,068	$3.10M	0.8%	+1.5%	0.012%
8/20/2026	Headlands Technologies LLC	5,556	$0.37M	0.0%	-63.9%	0.001%
8/20/2026	Quantitative Investment Management LLC	27,549	$1.86M	0.2%	N/A	0.007%
8/20/2026	Ancora Advisors LLC	976	$66K	0.0%	+354.0%	0.000%
8/20/2026	Two Sigma Securities LLC	8,895	$0.60M	0.1%	+173.6%	0.002%
8/20/2026	Flputnam Investment Management Co.	15,705	$1.06M	0.0%	N/A	0.004%
8/20/2026	Northwestern Mutual Wealth Management Co.	9,487	$0.64M	0.0%	-1.9%	0.003%
8/20/2026	Wedbush Securities Inc.	14,903	$1M	0.0%	+9.7%	0.004%
8/20/2026	Greenleaf Trust	2,996	$0.20M	0.0%	N/A	0.001%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	11,261,876	$758.49M	0.1%	+15.6%	2.984%
8/19/2026	New Mexico Educational Retirement Board	19,100	$1.29M	0.0%	+5.5%	0.005%
8/19/2026	Royal London Asset Management Ltd.	186,879	$12.59M	0.0%	-0.2%	0.050%
8/19/2026	Mufg Securities Americas Inc.	11,622	$0.78M	0.0%	+9.1%	0.003%
8/19/2026	Van ECK Associates Corp	137,854	$9.28M	0.0%	+1.8%	0.037%
8/19/2026	Nissay Asset Management Corp Japan	115,276	$7.76M	0.0%	+6.4%	0.031%
8/19/2026	Wellington Management Group LLP	8,527,471	$574.33M	0.1%	-8.6%	2.260%
8/18/2026	Beacon Pointe Advisors LLC	7,303	$0.49M	0.0%	N/A	0.002%
8/18/2026	Livforsakringsbolaget Skandia Omsesidigt	3,087	$0.21M	0.0%	N/A	0.001%
8/18/2026	Rakuten Investment Management Inc.	92,912	$6.50M	0.0%	N/A	0.025%
8/18/2026	Bridger Management LLC	101,893	$6.86M	4.6%	N/A	0.027%
8/18/2026	Empowered Funds LLC	25,177	$1.70M	0.0%	N/A	0.007%
8/18/2026	United Capital Financial Advisors LLC	19,104	$1.29M	0.0%	N/A	0.005%
8/18/2026	Grandeur Peak Global Advisors LLC	46,068	$3.10M	0.6%	N/A	0.012%
8/18/2026	Centaurus Financial Inc.	15,971	$1.08M	0.0%	N/A	0.004%
8/18/2026	Formula Growth Ltd.	13,744	$0.93M	0.3%	N/A	0.004%
8/18/2026	Public Employees Retirement System of Ohio	207,036	$13.94M	0.0%	N/A	0.055%
8/17/2026	Corient Private Wealth LP	124,723	$8.40M	0.0%	N/A	0.033%
8/17/2026	Parallax Volatility Advisers L.P.	3,435	$0.23M	0.0%	N/A	0.001%
8/17/2026	Bamco Inc. NY	245,000	$16.50M	0.0%	N/A	0.065%
8/15/2026	Magnolia Capital Advisors LLC	10,910	$0.74M	0.1%	N/A	0.003%
8/15/2026	American Capital Management Inc.	235,152	$15.84M	0.7%	N/A	0.062%
8/15/2026	Caisse de depot et placement du Quebec	151,149	$10.18M	0.0%	N/A	0.040%
8/15/2026	Man Group plc	394,449	$26.57M	0.0%	N/A	0.105%
8/15/2026	Polar Asset Management Partners Inc.	3,209	$0.22M	0.0%	N/A	0.001%
8/15/2026	Jupiter Topco LLC	1,138,783	$76.70M	0.0%	N/A	0.302%
8/14/2026	EFG International AG	13,201	$0.89M	0.0%	N/A	0.003%
8/14/2026	Ancora Advisors LLC	976	$66K	0.0%	N/A	0.000%
8/14/2026	Primecap Management Co. CA	192,000	$12.93M	0.0%	N/A	0.051%
8/14/2026	Canada Pension Plan Investment Board	1,054,792	$71.04M	0.0%	N/A	0.280%
8/14/2026	Parkman Healthcare Partners LLC	534,767	$36.02M	3.7%	N/A	0.142%
8/14/2026	Legal & General Group Plc	2,572,193	$173.24M	0.0%	N/A	0.682%
8/14/2026	Sone Capital Management LLC	33,380	$2.25M	0.2%	N/A	0.009%
8/14/2026	Van Hulzen Asset Management LLC	3,420	$0.23M	0.0%	N/A	0.001%
8/14/2026	Vega Investment Solutions	2,401	$0.16M	0.0%	N/A	0.001%
8/14/2026	Algert Global LLC	51,579	$3.47M	0.0%	+750.3%	0.014%
8/13/2026	Cibc World Market Inc.	99,181	$6.68M	0.0%	N/A	0.026%
8/13/2026	OMERS ADMINISTRATION Corp	64,845	$4.37M	0.0%	N/A	0.017%
8/13/2026	Osmosis Investment Management UK Ltd	9,635	$0.65M	0.0%	N/A	0.003%
8/13/2026	Sanctuary Advisors LLC	44,017	$2.97M	0.0%	N/A	0.012%
8/13/2026	Connor Clark & Lunn Investment Management Ltd.	5,303	$0.36M	0.0%	N/A	0.001%
8/13/2026	True Freedom Investing LLC	53,078	$3.33M	0.3%	N/A	0.014%
8/13/2026	Bank of Nova Scotia	1,266,285	$85.28M	0.1%	N/A	0.336%
8/12/2026	Daiichi Life Insurance Co. Ltd.	13,244	$0.89M	0.0%	N/A	0.004%
8/12/2026	Commerce Bank	21,120	$1.42M	0.0%	N/A	0.006%
8/12/2026	Northwestern Mutual Wealth Management Co.	9,487	$0.64M	0.0%	N/A	0.003%
8/12/2026	Evolve Private Wealth LLC	2,999	$0.20M	0.0%	N/A	0.001%
8/12/2026	Westpac Banking Corp	3,969	$0.27M	0.0%	N/A	0.001%
8/12/2026	William Blair Investment Management LLC	173,453	$11.68M	0.0%	N/A	0.046%
8/12/2026	Korea Investment CORP	632,639	$42.61M	0.1%	N/A	0.168%
8/12/2026	EP Wealth Advisors LLC	4,425	$0.30M	0.0%	N/A	0.001%

Data available starting January 2016

DexCom, Inc., a medical device company, focuses on the design, development, and commercialization of continuous glucose monitoring (CGM) systems in the United States and internationally. The company provides its systems for use by people with diabetes, as well as for use by healthcare providers. Its products include Dexcom G6 and Dexcom G7, integrated CGM systems for diabetes management; Dexcom Share, a remote monitoring system; Dexcom Real-Time API, which enables authorized third-party software developers to integrate real-time CGM data into their digital health apps and devices; and Dexcom ONE, that is designed to replace finger stick blood glucose testing for diabetes treatment decisions. It has also submitted FDA review for Dexcom Stelo for people with type 2 diabetes. The company has a collaboration and license agreement with Verily Life Sciences LLC and Verily Ireland Limited to develop blood-based or interstitial glucose monitoring products. It markets its products directly to endocrinologists, physicians, and diabetes educators. The company was incorporated in 1999 and is headquartered in San Diego, California.

Today's Range

Now: $89.35

$87.39

$89.92

50 Day Range

MA: $84.10

$70.48

$92.34

52 Week Range

Now: $89.35

$54.11

$92.59

Volume

14,572,963 shs

Average Volume

3,298,896 shs

Market Capitalization

$33.72 billion

P/E Ratio

35.32

Dividend Yield

N/A

Beta

1.42

Who are the company insiders with the largest holdings of DexCom?: DexCom's top insider investors include:
Terrance H Gregg (Insider)
Terrance H Gregg (Chairman)
Terrance H Gregg (Chairman)
Kevin R Sayer (CEO)
Terrance Gregg (CEO)
Kevin R Sayer (Insider)
Jacob Steven Leach (COO)
Jacob Steven Leach (EVP)
Steven Robert Pacelli (EVP)
Jorge Valdes (Insider)
Learn More about top insider investors at DexCom.
Who are the major institutional investors of DexCom?: DexCom's top institutional investors include:
UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC — 2.98%
Wellington Management Group LLP — 2.26%
Legal & General Group Plc — 0.68%
Deutsche Bank AG — 0.65%
Mitsubishi UFJ Asset Management Co. Ltd. — 0.35%
Bank of Nova Scotia — 0.34%
Learn More about top institutional investors of DexCom stock.
Which major investors are selling DexCom stock?: During the previous quarter, DXCM stock was sold by these institutional investors:
Groupe la Francaise
Assenagon Asset Management S.A.
Wellington Management Group LLP
Baird Financial Group Inc.
Beacon Investment Advisory Services Inc.
HighTower Advisors LLC
Headlands Technologies LLC
Handelsbanken Fonder AB
In the previous year, company insiders that have sold DexCom company stock include:
Kevin R Sayer (Insider)
Jereme M Sylvain (EVP)
Sadie Stern (EVP)
Michael Jon Brown (EVP)
Jon Coleman (EVP)
Mark G Foletta (Director)
Richard Alexander Collins (Director)
Nicholas Augustinos (Director)
Bridgette P Heller (Director)
Learn More investors selling DexCom stock.
Which major investors are buying DexCom stock?: In the last quarter, DXCM stock was acquired by institutional investors including:
Legal & General Group Plc
Deutsche Bank AG
UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Mitsubishi UFJ Asset Management Co. Ltd.
Bank of Nova Scotia
Jupiter Topco LLC
Canada Pension Plan Investment Board
Korea Investment CORP