DXCM Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 0.28%

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

Insider Selling (Last 12 Months): $10,121,681.69

DexCom Insider Trading History Chart

DexCom Share Price & Price History

^$83.72

▼ -1.041 (-1.23%)

As of 11/3/2026 12:59 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
10/27/2026	Sadie Stern	EVP	Sell	2,565	$78.62	$201,660.30	120,913
10/15/2026	Michael Jon Brown	EVP	Sell	1,700	$85.48	$145,316.00	98,185
9/28/2026	Sadie Stern	EVP	Sell	2,565	$86.15	$220,974.75	123,478
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

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
11/3/2026	Alps Advisors Inc.	19,417	$1.68M	0.0%	-13.3%	0.005%
11/3/2026	Alamar Capital Management LLC	11,760	$1.02M	0.5%	-2.6%	0.003%
11/2/2026	Alta Advisers Ltd	2,821	$0.24M	0.0%	N/A	0.001%
11/2/2026	Kestra Advisory Services LLC	12,786	$1.10M	0.0%	+133.4%	0.003%
11/2/2026	Inscription Capital LLC	5,205	$0.45M	0.0%	-6.3%	0.001%
11/2/2026	Commonwealth Equity Services LLC	70,241	$6.06M	0.0%	+18.0%	0.019%
10/31/2026	Chicago Partners Investment Group LLC	10,817	$0.84M	0.0%	+3.9%	0.003%
10/31/2026	Covestor Ltd	1,282	$0.11M	0.1%	+79.6%	0.000%
10/31/2026	Ascent Group LLC	4,230	$0.37M	0.0%	-67.3%	0.001%
10/31/2026	Caldwell Trust Co	13,732	$1.19M	0.1%	+1.8%	0.004%
10/30/2026	Rakuten Investment Management Inc.	101,020	$8.75M	0.0%	+8.7%	0.027%
10/30/2026	Lyell Wealth Management LP	11,935	$1.03M	0.1%	-9.2%	0.003%
10/30/2026	Oregon Public Employees Retirement Fund	46,396	$4M	0.0%	-2.2%	0.012%
10/30/2026	Factory Mutual Insurance Co.	563,383	$48.61M	0.4%	+4.8%	0.149%
10/30/2026	GraniteShares Advisors LLC	5,409	$0.47M	0.3%	-13.6%	0.001%
10/30/2026	Greenfield Seitz Capital Management LLC	15,718	$1.36M	0.4%	-2.7%	0.004%
10/30/2026	Signature Equity Partners LLC	436	$38K	0.0%	+97.3%	0.000%
10/29/2026	One Way Holdings LLC	269,752	$23.28M	1.0%	-5.4%	0.071%
10/29/2026	True Freedom Investing LLC	51,737	$4.46M	0.7%	-2.5%	0.014%
10/29/2026	Bank Julius Baer & Co. Ltd Zurich	42,669	$3.68M	0.0%	+23.2%	0.011%
10/29/2026	Pinkerton Wealth LLC	51,701	$4.46M	0.7%	-2.5%	0.014%
10/29/2026	Nippon Life Global Investors Americas Inc.	82,170	$7.09M	0.3%	+53.9%	0.022%
10/29/2026	Sumitomo Mitsui Trust Group Inc.	922,710	$79.62M	0.0%	-3.6%	0.245%
10/29/2026	Mirae Asset Global Investments Co. Ltd.	278,822	$24.06M	0.0%	N/A	0.074%
10/29/2026	Profund Advisors LLC	28,294	$2.44M	0.1%	-8.8%	0.007%
10/29/2026	ProShare Advisors LLC	429,663	$37.08M	0.1%	+1.3%	0.114%
10/29/2026	Vise Technologies Inc.	7,485	$0.65M	0.0%	+58.6%	0.002%
10/29/2026	Invera Wealth Advisors LLC	13,617	$1.18M	0.6%	-3.4%	0.004%
10/29/2026	MGO One Seven LLC	41,714	$3.60M	0.1%	-3.5%	0.011%
10/29/2026	Avestar Capital LLC	3,750	$0.32M	0.0%	N/A	0.001%
10/29/2026	State of Wyoming	1,799	$0.16M	0.0%	-7.5%	0.000%
10/28/2026	Lebenthal Global Advisors LLC	19,049	$1.64M	0.2%	+37.5%	0.005%
10/28/2026	CHICAGO TRUST Co NA	36,388	$3.14M	0.4%	-1.3%	0.010%
10/28/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	609,412	$52.59M	0.3%	+13.1%	0.161%
10/28/2026	Interchange Capital Partners LLC	4,865	$0.42M	0.1%	+9.7%	0.001%
10/28/2026	Financial Network Wealth Advisors LLC	588	$51K	0.1%	+154.5%	0.000%
10/28/2026	China Universal Asset Management Co. Ltd.	16,316	$1.41M	0.1%	+15.6%	0.004%
10/28/2026	D.A. Davidson & CO.	27,532	$2.38M	0.0%	-1.6%	0.007%
10/28/2026	BOKF NA	19,202	$1.66M	0.0%	+78.7%	0.000%
10/28/2026	Motley Fool Asset Management LLC	195,487	$16.87M	0.6%	-4.9%	0.000%
10/28/2026	Pinnacle Wealth Planning Services Inc.	572	$49K	0.0%	+89.4%	0.000%
10/28/2026	VestGen Advisors LLC	18,847	$1.63M	0.1%	N/A	0.000%
10/27/2026	Laurel Wealth Advisors LLC	728	$63K	0.0%	N/A	0.000%
10/27/2026	Smith Group Asset Management LLC	433,114	$37.37M	2.4%	-38.2%	0.115%
10/27/2026	Great Lakes Retirement Inc.	18,899	$1.63M	0.1%	+7.1%	0.005%
10/27/2026	Generali Asset Management SPA SGR	27,337	$2.36M	0.0%	+32.0%	0.007%
10/27/2026	Asset Management One Co. Ltd.	254,102	$21.93M	0.1%	-0.3%	0.067%
10/27/2026	Latitude Advisors LLC	373	$32K	0.0%	N/A	0.000%
10/26/2026	Oppenheimer & Co. Inc.	3,102	$0.27M	0.0%	-21.5%	0.001%
10/26/2026	Verdence Capital Advisors LLC	5,094	$0.44M	0.0%	N/A	0.001%
10/26/2026	Flagship Harbor Advisors LLC	12,240	$1.06M	0.0%	-17.8%	0.003%
10/26/2026	Peterson Wealth Services	9,198	$0.79M	0.2%	-1.5%	0.002%
10/24/2026	Apollon Wealth Management LLC	94,315	$8.14M	0.1%	-29.6%	0.025%
10/24/2026	Hilton Head Capital Partners LLC	380	$33K	0.0%	+242.3%	0.000%
10/24/2026	Kingswood Wealth Advisors LLC	2,601	$0.22M	0.0%	N/A	0.001%
10/24/2026	IRON Financial LLC	2,570	$0.22M	0.1%	N/A	0.001%
10/24/2026	Paladin Wealth LLC	6,405	$0.55M	0.3%	-31.4%	0.002%
10/24/2026	Provident Investment Management Inc.	369,810	$31.91M	3.2%	-3.1%	0.098%
10/23/2026	Radnor Capital Management LLC	12,910	$1.11M	0.1%	N/A	0.003%
10/23/2026	MN Wealth Advisors LLC	2,994	$0.26M	0.1%	-10.3%	0.001%
10/23/2026	Signaturefd LLC	5,673	$0.49M	0.0%	+7.5%	0.002%
10/23/2026	Simplicity Wealth LLC	3,169	$0.27M	0.0%	+5.4%	0.001%
10/23/2026	Taylor Frigon Capital Management LLC	31,662	$2.73M	1.4%	-5.5%	0.008%
10/23/2026	Gibbs Wealth Management	9,084	$0.78M	0.1%	+147.7%	0.002%
10/23/2026	Wedbush Securities Inc.	15,286	$1.32M	0.0%	+2.6%	0.004%
10/23/2026	Fifth Third Wealth Advisors LLC	5,510	$0.48M	0.0%	+2.8%	0.001%
10/23/2026	Sterling Capital Management LLC	77,267	$6.67M	0.1%	-8.9%	0.020%
10/23/2026	Inspire Investing LLC	23,281	$2.01M	0.1%	-17.7%	0.006%
10/22/2026	Yousif Capital Management LLC	46,757	$4.04M	0.0%	+2.4%	0.012%
10/22/2026	Brookstone Capital Management	29,639	$2.56M	0.0%	+449.8%	0.008%
10/22/2026	Isthmus Partners LLC	185,580	$16.01M	1.5%	-0.4%	0.049%
10/22/2026	Root Financial Partners LLC	2,242	$0.19M	0.0%	N/A	0.001%
10/22/2026	E. Ohman J or Asset Management AB	104,030	$8.98M	0.2%	-8.1%	0.028%
10/22/2026	Marion Wealth Management	3,934	$0.34M	0.1%	-4.0%	0.001%
10/22/2026	Cardinal Capital Management	60,036	$5.18M	0.6%	+5.5%	0.016%
10/21/2026	Crossmark Global Holdings Inc.	69,499	$6M	0.1%	+2.9%	0.018%
10/21/2026	Quadrant Capital Group LLC	3,351	$0.29M	0.0%	-40.3%	0.001%
10/21/2026	Pinnacle Associates Ltd.	2,691	$0.23M	0.0%	N/A	0.001%
10/21/2026	Nisa Investment Advisors LLC	63,911	$5.52M	0.0%	+3.3%	0.017%
10/21/2026	Robeco Institutional Asset Management B.V.	133,195	$11.49M	0.0%	+1.4%	0.035%
10/20/2026	Bank Pictet & Cie Europe AG	152,301	$13.14M	0.2%	-5.3%	0.040%
10/20/2026	Net Worth Advisory Group	5,807	$0.50M	0.1%	+83.0%	0.002%
10/20/2026	Sumitomo Mitsui DS Asset Management Company Ltd	51,166	$4.42M	0.0%	-0.3%	0.014%
10/20/2026	Jeppson Wealth Management LLC	2,782	$0.24M	0.1%	N/A	0.001%
10/19/2026	BDF Gestion	18,890	$1.63M	0.2%	N/A	0.005%
10/17/2026	IFP Advisors Inc	1,556	$0.13M	0.0%	-9.2%	0.000%
10/17/2026	USA Financial Formulas	8,659	$0.75M	0.1%	N/A	0.002%
10/16/2026	Vontobel Holding Ltd.	13,171	$1.14M	0.0%	-53.2%	0.003%
10/16/2026	TD Waterhouse Canada Inc.	7,873	$0.68M	0.0%	+17.4%	0.002%
10/16/2026	Banque Pictet & Cie SA	36,657	$3.16M	0.0%	-12.2%	0.010%
10/16/2026	Howard Capital Management LLC	2,488	$0.22M	0.0%	-79.6%	0.001%
10/16/2026	Goelzer Investment Management Inc.	22,651	$1.96M	0.1%	-3.3%	0.006%
10/15/2026	V Square Quantitative Management LLC	4,301	$0.37M	0.0%	+8.6%	0.001%
10/15/2026	Assenagon Asset Management S.A.	271,350	$23.42M	0.0%	-60.9%	0.072%
10/15/2026	State of Alaska Department of Revenue	35,749	$3.08M	0.0%	-5.4%	0.009%
10/15/2026	Curated Wealth Partners LLC	3,860	$0.33M	0.0%	N/A	0.001%
10/15/2026	Mather Group LLC.	563	$49K	0.0%	+27.7%	0.000%
10/15/2026	Fortitude Family Office LLC	760	$66K	0.0%	+293.8%	0.000%
10/14/2026	Western Financial Corp CA	15,125	$1.31M	0.4%	N/A	0.004%
10/14/2026	Sanders Morris Harris LLC	4,000	$0.35M	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: $83.72

$83.49

$85.18

50 Day Range

MA: $85.67

$77.94

$91.06

52 Week Range

Now: $83.72

$54.11

$92.59

Volume

1,098,922 shs

Average Volume

5,009,867 shs

Market Capitalization

$31.59 billion

P/E Ratio

32.81

Dividend Yield

N/A

Beta

1.48

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:
Sumitomo Mitsui Trust Group Inc. — 0.24%
VIRGINIA RETIREMENT SYSTEMS ET Al — 0.16%
Factory Mutual Insurance Co. — 0.15%
Smith Group Asset Management LLC — 0.11%
ProShare Advisors LLC — 0.11%
Provident Investment Management Inc. — 0.10%
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:
Assenagon Asset Management S.A.
Smith Group Asset Management LLC
Gradient Investments LLC
Apollon Wealth Management LLC
Sumitomo Mitsui Trust Group Inc.
Bell Asset Management Ltd
One Way Holdings LLC
Vontobel Holding Ltd.
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:
Mirae Asset Global Investments Co. Ltd.
HWG Holdings LP
VIRGINIA RETIREMENT SYSTEMS ET Al
Bright Rock Capital Management LLC
Nippon Life Global Investors Americas Inc.
Factory Mutual Insurance Co.
Brookstone Capital Management
BDF Gestion