Insider Trading activities at Dexcom Inc (DXCM)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Dexcom Inc (DXCM) since 2014 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Dexcom Inc. Table 2 shows the detailed insider transactions. This company's CIK number is 1093557.

Total stock buying since 2014: $1,746,350.
Total stock sales since 2014: $785,755,539.
Total stock option exercises since 2014: $16,751,908.

1 2 3 4 5 6

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at *Dexcom Inc* (*DXCM*).
	Insider Buying		Insider Sales		Option Exercises
Year	Shares	Value	Shares	Value	Shares	Value
2025	0	$0	177,442	$13,869,196	0	$0
2024	0	$0	290,565	$37,445,869	0	$0
2023	0	$0	239,577	$27,218,371	0	$0
2022	0	$0	76,614	$22,696,065	0	$0
2021	0	$0	299,457	$128,341,957	0	$0
2020	0	$0	438,604	$143,140,207	20,385	$199,543
2019	0	$0	427,888	$64,727,520	30,603	$153,065
2018	0	$0	576,502	$64,666,028	197,834	$1,158,125
2017	35,000	$1,746,350	364,657	$27,002,321	208,503	$1,718,699
2016	0	$0	1,234,804	$98,963,335	387,003	$2,212,500
2015	0	$0	2,059,653	$157,458,815	1,352,001	$11,309,976
2014	0	$0	7,500	$225,855	0	$0

Table 2. Monthly summary of insider trading at *Dexcom Inc* (*DXCM*).
Trading Period	Insider Buying		Insider Sales		Option Exercises
year-month	Shares	Value	Shares	Value	Shares	Value
2025-09	0	$0	4,824	$357,796	0	$0
2025-08	0	$0	3,250	$263,662	0	$0
2025-07	0	$0	17,716	$1,522,519	0	$0
2025-06	0	$0	11,006	$912,606	0	$0
2025-05	0	$0	16,184	$1,369,170	0	$0
2025-03	0	$0	83,103	$5,848,768	0	$0
2025-01	0	$0	41,359	$3,594,675	0	$0
2024-12	0	$0	2,912	$223,844	0	$0
2024-11	0	$0	7,759	$582,560	0	$0
2024-09	0	$0	2,918	$202,627	0	$0
2024-08	0	$0	686	$48,020	0	$0
2024-07	0	$0	652	$45,346	0	$0
2024-06	0	$0	9,576	$1,110,609	0	$0
2024-05	0	$0	3,075	$384,447	0	$0
2024-04	0	$0	52,252	$7,219,633	0	$0
2024-03	0	$0	158,865	$21,240,680	0	$0
2024-02	0	$0	3,363	$392,562	0	$0
2024-01	0	$0	48,507	$5,995,541	0	$0
2023-12	0	$0	9,980	$1,194,363	0	$0
2023-11	0	$0	7,331	$722,563	0	$0
2023-10	0	$0	411	$35,243	0	$0
2023-09	0	$0	2,067	$207,492	0	$0
2023-08	0	$0	2,647	$279,863	0	$0
2023-07	0	$0	7,824	$1,042,900	0	$0

Table 3. Detailed insider trading at *Dexcom Inc* (*DXCM*)
Trade Date	Insider Name	Trade Type	Shares	Price ($)	Value ($)
2025-09-02	Sylvain Jereme M (EVP, Chief Financal Officer)	Sale	4,824	74.17	357,796
2025-08-15	Brown Michael Jon (EVP, Chief Legal Officer)	Sale	500	80.29	40,145
2025-08-15	Foletta Mark G (Director)	Sale	2,750	81.28	223,517
2025-07-28	Stern Sadie (EVP, Chief HR Officer)	Sale	1,466	88.99	130,459
2025-07-15	Brown Michael Jon (EVP, Chief Legal Officer)	Sale	1,500	86.03	129,045
2025-07-15	Foletta Mark G (Director)	Sale	8,250	85.60	706,191
2025-06-26	Stern Sadie (EVP, Chief HR Officer)	Sale	1,466	85.06	124,697
2025-06-16	Brown Michael Jon (EVP, Chief Legal Officer)	Sale	500	82.80	41,400
2025-06-16	Augustinos Nicholas (Director)	Sale	3,672	82.80	304,041
2025-06-16	Foletta Mark G (Director)	Sale	2,750	83.13	228,604
2025-06-13	Augustinos Nicholas (Director)	Sale	2,618	81.69	213,864
2025-05-27	Stern Sadie (EVP, Chief HR Officer)	Sale	6,184	85.11	526,320
2025-05-23	Brown Michael Jon (EVP, Chief Legal Officer)	Sale	10,000	84.28	842,850
2025-03-17	Heller Bridgette P (Director)	Sale	352	70.33	24,756
2025-03-12	Brown Michael Jon (EVP, Chief Legal Officer)	Sale	13,000	70.38	914,939
2025-03-12	Stern Sadie (EVP, Chief HR Officer)	Sale	11,176	70.38	786,566
2025-03-12	Leach Jacob Steven (EVP, Chief Operating Officer)	Sale	14,076	70.38	990,668
2025-03-12	Sylvain Jereme M (EVP, Chief Financal Officer)	Sale	12,001	70.38	844,630
2025-03-12	Sayer Kevin R (Chairman, CEO & President)	Sale	32,498	70.38	2,287,209
2025-01-29	Dolan Matthew Vincent (EVP, Strategy & Corporate Dev)	Sale	1,183	86.91	102,819
2025-01-29	Stern Sadie (EVP, Chief HR Officer)	Sale	2,093	86.91	181,911
2025-01-29	Leach Jacob Steven (EVP, Chief Operating Officer)	Sale	2,634	86.91	228,931
2025-01-29	Sylvain Jereme M (EVP, Chief Financal Officer)	Sale	2,090	86.91	181,650
2025-01-29	Sayer Kevin R (Chairman, CEO & President)	Sale	33,359	86.91	2,899,364
2024-12-16	Stern Sadie (EVP, Chief HR Officer)	Sale	424	76.87	32,592
2024-12-16	Leach Jacob Steven (EVP, Chief Operating Officer)	Sale	744	76.87	57,191
2024-12-16	Sylvain Jereme M (EVP, Chief Financal Officer)	Sale	744	76.87	57,191
2024-12-16	Heller Bridgette P (Director)	Sale	1,000	76.87	76,870
2024-11-20	Stern Sadie (EVP, Chief HR Officer)	Sale	4,259	74.73	318,275
2024-11-15	Sylvain Jereme M (EVP, Chief Financal Officer)	Sale	3,500	75.51	264,285
2024-09-16	Heller Bridgette P (Director)	Sale	1,000	70.00	70,000
2024-09-09	Stern Sadie (EVP, Chief HR Officer)	Sale	426	69.15	29,457
2024-09-09	Leach Jacob Steven (EVP, Chief Operating Officer)	Sale	746	69.15	51,585
2024-09-09	Sylvain Jereme M (EVP, Chief Financal Officer)	Sale	746	69.15	51,585
2024-08-30	Brown Michael Jon (EVP, Chief Legal Officer)	Sale	686	70.00	48,020
2024-07-31	Brown Michael Jon (EVP, Chief Legal Officer)	Sale	652	69.55	45,346
2024-06-28	Brown Michael Jon (EVP Chief Legal Officer)	Sale	659	114.29	75,317
2024-06-18	Foletta Mark G (Director)	Sale	3,306	117.00	386,792
2024-06-17	Foletta Mark G (Director)	Sale	2,694	116.70	314,400
2024-06-14	Heller Bridgette P (Director)	Sale	1,000	113.55	113,550
2024-06-10	Stern Sadie (EVP Chief HR Officer)	Sale	427	115.05	49,126
2024-06-10	Leach Jacob Steven (EVP Chief Operating Officer)	Sale	745	115.05	85,712
2024-06-10	Sylvain Jereme M (EVP Chief Financial Officer)	Sale	745	115.05	85,712
2024-05-31	Brown Michael Jon (EVP Chief Legal Officer)	Sale	652	119.24	77,744
2024-05-15	Dolan Matthew Vincent (EVP Strategy and Corporate Dev)	Sale	2,423	126.58	306,703
2024-04-30	Brown Michael Jon (EVP Chief Legal Officer)	Sale	629	126.25	79,411
2024-04-15	Dolan Matthew Vincent (EVP Strategy and Corporate Dev)	Sale	1,990	137.81	274,241
2024-04-08	Sayer Kevin R (President CEO and Chairman)	Sale	49,633	138.34	6,865,981
2024-03-28	Brown Michael Jon (EVP Chief Legal Officer)	Sale	2,624	140.37	368,338
2024-03-25	Stern Sadie (EVP Chief Human Resources)	Sale	4,137	140.00	579,180
2024-03-15	Dolan Matthew Vincent (EVP Strategy & Corp Dev)	Sale	4,203	130.45	548,277
2024-03-12	Lawver Teri L (EVP Chief Commercial Officer)	Sale	4,764	134.41	640,334
2024-03-12	Dolan Matthew Vincent (EVP Strategy and Corporate)	Sale	6,710	134.41	901,897
2024-03-12	Brown Michael Jon (EVP Chief Legal Officer)	Sale	8,799	134.41	1,182,682
2024-03-12	Stern Sadie (EVP Chief Human Resources)	Sale	20,321	132.67	2,695,966
2024-03-12	Leach Jacob Steven (EVP Chief Operating Officer)	Sale	14,639	134.41	1,967,642
2024-03-12	Sylvain Jereme M (EVP Chief Financial Officer)	Sale	11,661	134.41	1,567,366
2024-03-12	Sayer Kevin R (President CEO and Chairman)	Sale	81,007	133.19	10,788,998
2024-02-20	Sylvain Jereme M (EVP Chief Financial Officer)	Sale	3,363	116.73	392,562
2024-01-16	Stern Sadie (EVP Chief Human Resources)	Sale	2,902	123.64	358,788
2024-01-16	Leach Jacob Steven (EVP Chief Operating Officer)	Sale	3,978	123.64	491,820
2024-01-16	Sylvain Jereme M (EVP Chief Financial Officer)	Sale	2,734	123.64	338,018
2024-01-16	Sayer Kevin R (President, CEO and Chairman)	Sale	37,325	123.64	4,614,676
2024-01-16	Altman Steven R (Director)	Sale	1,568	122.60	192,239
2023-12-15	Augustinos Nicholas (Director)	Sale	3,976	123.02	489,127
2023-12-15	Altman Steven R (Director)	Sale	2,000	122.77	245,548
2023-12-11	Stern Sadie (EVP Chief Human Resources Officer)	Sale	392	117.66	46,122
2023-12-01	Brown Michael Jon (EVP Chief Legal Officer)	Sale	3,612	114.50	413,566
2023-11-24	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	411	110.80	45,538
2023-11-22	Stern Sadie (EVP Chief Human Resources Officer)	Sale	1,176	110.00	129,360
2023-11-15	Altman Steven R (Director)	Sale	1,000	101.26	101,256
2023-11-09	Naganathan Girish (EVP Chief Technology Officer)	Sale	2,725	93.27	254,160
2023-11-08	Regan Barry J. (EVP Operations)	Sale	2,019	95.22	192,249
2023-10-23	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	411	85.75	35,243
2023-09-22	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	411	88.40	36,332
2023-09-15	Altman Steven R (Director)	Sale	1,000	101.50	101,495
2023-09-12	Heller Bridgette P (Director)	Sale	600	106.56	63,936
2023-09-01	Dolan Matthew Vincent (SVP Corporate Strategy-Develop)	Sale	56	102.32	5,729
2023-08-23	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	411	107.03	43,989
2023-08-22	Sylvain Jereme M (EVP Chief Financial Officer)	Sale	1,844	104.38	192,476
2023-08-09	Stern Sadie (EVP Chief Human Resources Officer)	Sale	392	110.71	43,398
2023-07-24	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	412	130.58	53,798
2023-07-14	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	5,031	136.00	684,216
2023-07-10	Stern Sadie (EVP Chief Human Resources Officer)	Sale	392	128.05	50,195
2023-07-10	Regan Barry J. (EVP Operations)	Sale	1,989	128.05	254,691
2023-06-23	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	412	125.92	51,879
2023-06-15	Selvaraj Shelly Ramasamy (SVP Chief Information Officer)	Sale	2,115	130.00	274,952
2023-05-23	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	412	118.65	48,883
2023-05-22	Sylvain Jereme M (EVP Chief Financial Officer)	Sale	2,400	117.58	282,192
2023-05-09	Stern Sadie (EVP Chief Human Resources Officer)	Sale	393	120.19	47,234
2023-04-27	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	5,031	126.00	633,906
2023-04-24	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	412	124.68	51,368
2023-04-20	Selvaraj Shelly Ramasamy (SVP Chief Information Officer)	Sale	2,007	125.00	250,875
2023-04-20	Regan Barry J. (EVP Operations)	Sale	2,214	124.50	275,643
2023-04-20	Leach Jacob Steven (EVP Chief Technology Officer)	Sale	30,764	125.00	3,845,500
2023-04-17	Flynn Paul R (EVP Global Revenue)	Sale	2,781	120.00	333,720
2023-04-10	Stern Sadie (EVP Chief Human Resources Officer)	Sale	393	112.35	44,153
2023-04-03	Brown Michael Jon (EVP Chief Legal Officer)	Sale	3,612	115.06	415,607
2023-04-03	Sayer Kevin R (President CEO and Chairman of)	Sale	20,812	114.64	2,385,887
2023-03-23	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	5,442	116.40	633,448
2023-03-14	Stern Sadie (EVP Chief Human Resources Officer)	Sale	393	111.86	43,960
2023-03-13	Dolan Matthew Vincent (SVP Corporate Strategy-Develop)	Sale	6,229	106.27	661,955
2023-03-13	Flynn Paul R (EVP Global Revenue)	Sale	2,782	106.27	295,643
2023-03-13	Regan Barry J. (EVP Operations)	Sale	2,010	106.27	213,602
2023-03-06	Dolan Matthew Vincent (SVP Corporate Strategy-Develop)	Sale	226	114.40	25,854
2023-03-06	Leach Jacob Steven (EVP Chief Technology Officer)	Sale	18,144	114.79	2,082,749
2023-03-01	Sayer Kevin R (President CEO and Chairman of)	Sale	38,464	110.12	4,235,617
2023-02-23	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	412	111.64	45,995
2023-02-22	Sylvain Jereme M (EVP Chief Financial Officer)	Sale	2,400	114.54	274,896
2023-01-30	Regan Barry J. (EVP Operations)	Sale	2,213	106.12	234,843
2023-01-30	Sayer Kevin R (President CEO and Chairman of)	Sale	56,844	106.35	6,045,586
2022-12-23	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	412	112.57	46,378
2022-12-08	Flynn Paul R (EVP Global Revenue)	Sale	17,976	123.50	2,220,036
2022-11-21	Sylvain Jereme M (EVP Chief Financial Officer)	Sale	2,400	112.62	270,288
2022-09-01	Dolan Matthew Vincent (SVP Corporate Strategy-Develop)	Sale	10	81.63	816
2022-08-23	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	1,000	84.21	84,210
2022-07-25	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	1,000	83.07	83,070
2022-06-23	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	1,000	72.55	72,550
2022-06-06	Sylvain Jereme M (EVP Chief Financial Officer)	Sale	600	301.57	180,942
2022-05-24	Pacelli Steven Robert (EVP Managing Director Dexcom V)	Sale	250	296.33	74,082
2022-05-09	Patterson Chad (EVP Global Marketing)	Sale	777	342.77	266,332
2022-04-25	Pacelli Steven Robert (Managing Dir., Dexcom Ventures)	Sale	250	439.94	109,985
2022-04-11	Patterson Chad (EVP, Global Marketing)	Sale	776	498.75	387,030
2022-03-29	Regan Barry J. (EVP Global Operations)	Sale	1,106	500.00	553,000
2022-03-23	Pacelli Steven Robert (Managing Dir., Dexcom Ventures)	Sale	250	459.98	114,995
2022-03-17	Dolan Matthew Vincent (SVP Corporate Development)	Sale	484	450.00	217,800
2022-03-16	Dolan Matthew Vincent (SVP Corporate Development)	Sale	686	425.00	291,550
2022-03-15	Dolan Matthew Vincent (SVP Corporate Development)	Sale	1,016	412.41	419,008
2022-03-15	Sayer Kevin R (Chairman, CEO & President)	Sale	3,000	410.78	1,232,331
2022-03-10	Patterson Chad (EVP, Global Marketing)	Sale	776	401.27	311,385
2022-03-10	Selvaraj Shelly Ramasamy (SVP Chief Information Officer)	Sale	2,366	401.27	949,404
2022-03-04	Sylvain Jereme M (EVP, Chief Financial Officer)	Sale	600	422.94	253,764
2022-03-01	Patterson Chad (EVP, Global Marketing)	Sale	46	413.97	19,042
2022-02-23	Pacelli Steven Robert (Managing Dir., Dexcom Ventures)	Sale	250	394.33	98,582
2022-02-14	Sayer Kevin R (Chairman, CEO & President)	Sale	3,000	418.04	1,254,120
2022-02-10	Kahn Barbara (Director)	Sale	4,666	442.28	2,063,683
2022-01-24	Pacelli Steven Robert (Managing Dir., Dexcom Ventures)	Sale	250	416.77	104,192
2022-01-18	Sayer Kevin R (Chairman, CEO & President)	Sale	22,674	436.94	9,907,064
2021-12-23	Pacelli Steven Robert (Managing Dir., Dexcom Ventures)	Sale	250	573.91	143,477
2021-12-15	Sayer Kevin R (Chairman, CEO & President)	Sale	3,000	536.15	1,608,459
2021-12-13	Regan Barry J. (EVP Operations)	Sale	1,214	563.93	684,611
2021-12-06	Sylvain Jereme M (EVP, Chief Financial Officer)	Sale	600	517.59	310,554
2021-12-01	Foletta Mark G (Director)	Sale	500	563.37	281,684
2021-11-23	Stern Sadie (EVP Chief Human Resources Officer)	Sale	1,195	612.26	731,650
2021-11-23	Pacelli Steven Robert (Managing Dir., Dexcom Ventures)	Sale	250	612.26	153,065
2021-11-22	Stern Sadie (EVP Chief Human Resources Officer)	Sale	856	638.65	546,684
2021-11-22	Regan Barry J. (EVP Operations)	Sale	837	638.65	534,550
2021-11-15	Sayer Kevin R (Chairman, CEO & President)	Sale	3,000	648.50	1,945,488
2021-11-03	Collins Richard Alexander (Director)	Sale	1,500	647.05	970,574
2021-11-01	Foletta Mark G (Director)	Sale	500	625.76	312,879

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Insider trading activities including stock purchases, stock sales, and option exercises of DXCM listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Dexcom Inc (symbol DXCM, CIK number 1093557) see the Securities and Exchange Commission (SEC) website.

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