DEXCOM, INC.

DXCM US2521311074

🆔
Registration No.
3030192
💰
Capitalization
Large-cap

Dexcom designs and commercializes continuous glucose monitoring systems for diabetic patients. CGM systems serve as an alternative to the traditional blood glucose meter process, and the company is evolving its CGM systems to provide integration with insulin pumps from Insulet and Tandem for automatic insulin delivery.

🏢
Founded
1999
🔗
Website
Annual Performance 1
2021 2022 2023 2024 2025
50% -13% 8% -37% 3%
Annual Insiders Turnover, USD 2

1 annual and historical performance metrics are recalculated on a daily basis;
2 represents the total value of insider transactions (both buying and selling);

Insider Activity
📊
Transactions
110
🙍
Insiders
16
Person Price Shares Total Published Completed
Malady Kyle
 80.86
USD 		667
Sold 		53,934
USD 		05/09/2025 05/09/2025
Stern Sadie
EX VP 		80.00
USD 		1,466
Sold 		117,280
USD 		04/09/2025 04/09/2025
Sylvain Jereme M
EX VP 		74.17
USD 		4,824
Sold 		357,796
USD 		02/09/2025 02/09/2025
Brown Michael Jon
EX VP 		80.29
USD 		500
Sold 		40,145
USD 		15/08/2025 15/08/2025
Foletta Mark G
 81.54
USD 		195
Sold 		15,900
USD 		15/08/2025 15/08/2025
Foletta Mark G
 81.02
USD 		2,555
Sold 		207,003
USD 		15/08/2025 15/08/2025
Stern Sadie
EX VP 		88.99
USD 		1,466
Sold 		130,459
USD 		28/07/2025 28/07/2025
Foletta Mark G
 85.17
USD 		2,742
Sold 		233,528
USD 		15/07/2025 15/07/2025
Foletta Mark G
 86.03
USD 		8
Sold 		688
USD 		15/07/2025 15/07/2025
Brown Michael Jon
EX VP 		86.03
USD 		500
Sold 		43,015
USD 		15/07/2025 15/07/2025

Integrated EOD Stock Data and Insider Transactions Chart

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The visibility of insider buy and sell transactions on this chart should not be the sole factor in your decision to buy or sell a particular stock. Always consider the following dynamic reports for a broader understanding of stock market activities:

 

Historical Performance
1M 3M 6M 1Y 3Y 5Y All Time
11% 20% -40% -36% -24% 333% 313%
Last 52W Low 52W High All-Time Low All-Time High β
66.03 59.83 89.53 59.83 89.53
Company Insiders
Person / Entity Transactions Turnover, USD Average, USD First Last
Sayer Kevin R 10 27,468,188.23 2,746,818.82 16/01/2024 12/03/2025
Stern Sadie 23 7,282,844.71 316,645.42 19/11/2023 04/09/2025
Brown Michael Jon 17 5,014,964.91 294,997.94 01/12/2023 15/08/2025
Sylvain Jereme M 14 5,014,888.11 358,206.29 18/12/2023 02/09/2025
Leach Jacob Steven 8 4,230,815.46 528,851.93 18/12/2023 12/03/2025
Dolan Matthew Vincent 7 2,132,919.86 304,702.84 12/03/2024 29/01/2025
Foletta Mark G 10 1,387,753.11 138,775.31 17/06/2024 15/08/2025
Augustinos Nicholas 3 1,007,033.54 335,677.85 15/12/2023 16/06/2025
Altman Steven R 5 899,460.60 179,892.12 15/11/2023 16/01/2024
Regan Barry J. 3 823,631.11 274,543.70 08/11/2023 18/12/2023
Lawver Teri L 1 640,332.57 640,332.57 12/03/2024 12/03/2024
Flynn Paul R 1 385,412.50 385,412.50 18/12/2023 18/12/2023
Heller Bridgette P 4 285,176.16 71,294.04 14/06/2024 17/03/2025
Naganathan Girish 1 254,160.75 254,160.75 09/11/2023 09/11/2023
Pacelli Steven Robert 2 80,782.05 40,391.03 23/10/2023 24/11/2023
Malady Kyle 1 53,933.62 53,933.62 05/09/2025 05/09/2025

Insiders marked in yellow represent long-term insiders. These are individuals who have engaged in transactions for over 3 years and have conducted at least 10 transactions or reached a cumulative turnover of $1M USD. When examining transaction clusters, we prioritize those conducted by long-term insiders for analysis.

Stock Advanced Metrics
Delta Correlation subscribe 🔒
Upper Bound of Standardized Transaction Amount (ubsta), USD 4 subscribe 🔒

4 represents the maximum expected transaction amount for a company's insiders, calculated based on historical data. It provides insight into the typical range of insider transaction amounts and helps in identifying unusually large transactions.

5 a proprietary metric reflecting the consistency of insider trading behavior within a company. A higher discipline index suggests more regular and predictable insider transactions.