Jeffrey Moy

Insider

First SEC filing: Nov. 21, 2008 · Latest: Nov. 21, 2008

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

DXCM selling March 11, 2020

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 62 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

62 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Sept. 9, 2020	DXCM	J	6,967	—	—	19,684 Direct	-26.14%	Disposed	(price as of 2026-08-20)
Sept. 9, 2020	DXCM	J	6,967	—	—	38,364 Indirect	+22.19%	Acquired	(price as of 2026-08-20)
Sept. 9, 2020	DXCM	D	1,003	$398.30	$399,495	37,361 Indirect	-2.61%	Disposed	-8.6% (price as of 2026-08-20)
Sept. 9, 2020	DXCM	D	2,577	$398.30	$1,026,419	34,784 Indirect	-6.90%	Disposed	-8.6% (price as of 2026-08-20)
March 11, 2020	DXCM	S	5,956	$265.43	$1,580,901	31,397 Indirect	-15.95%	Disposed	37.2% (price as of 2026-08-20)
March 11, 2020	DXCM	S	166	$250.19	$41,532	37,353 Indirect	-0.44%	Disposed	45.6% (price as of 2026-08-20)
March 11, 2020	DXCM	S	81	$245.44	$19,881	37,519 Indirect	-0.22%	Disposed	48.4% (price as of 2026-08-20)
March 11, 2020	DXCM	J	12,568	—	—	37,600 Indirect	+50.21%	Acquired	(price as of 2026-08-20)
March 11, 2020	DXCM	J	12,568	—	—	26,651 Direct	-32.05%	Disposed	(price as of 2026-08-20)
March 8, 2020	DXCM	A	8,811	—	—	39,219 Direct	+28.98%	Acquired	(price as of 2026-08-20)
March 2, 2020	DXCM	S 10b5-1	362	$278.10	$100,672	25,032 Indirect	-1.43%	Disposed	31.0% (price as of 2026-08-20)
Feb. 18, 2020	DXCM	S 10b5-1	800	$286.54	$229,232	28,715 Indirect	-2.71%	Disposed	27.1% (price as of 2026-08-20)
Feb. 18, 2020	DXCM	S 10b5-1	400	$287.41	$114,964	28,315 Indirect	-1.39%	Disposed	26.7% (price as of 2026-08-20)
Feb. 18, 2020	DXCM	S 10b5-1	2,795	$288.99	$807,727	25,520 Indirect	-9.87%	Disposed	26.0% (price as of 2026-08-20)
Feb. 18, 2020	DXCM	S 10b5-1	100	$290.98	$29,098	25,220 Indirect	-0.39%	Disposed	25.2% (price as of 2026-08-20)
Feb. 18, 2020	DXCM	S 10b5-1	200	$289.84	$57,968	25,320 Indirect	-0.78%	Disposed	25.7% (price as of 2026-08-20)
Feb. 18, 2020	DXCM	S 10b5-1	1,694	$284.23	$481,486	29,515 Indirect	-5.43%	Disposed	28.1% (price as of 2026-08-20)
Feb. 18, 2020	DXCM	S 10b5-1	610	$283.37	$172,856	31,209 Indirect	-1.92%	Disposed	28.5% (price as of 2026-08-20)
Sept. 11, 2019	DXCM	J	4,461	—	—	31,819 Indirect	+16.31%	Acquired	(price as of 2026-08-20)
Sept. 11, 2019	DXCM	J	4,461	—	—	30,408 Direct	-12.79%	Disposed	(price as of 2026-08-20)
Sept. 9, 2019	DXCM	S	4,351	$150.11	$653,129	34,869 Direct	-11.09%	Disposed	142.6% (price as of 2026-08-20)
Sept. 9, 2019	DXCM	S	250	$145.37	$36,342	39,220 Direct	-0.63%	Disposed	150.5% (price as of 2026-08-20)
March 12, 2019	DXCM	S	1,594	$142.79	$227,607	27,358 Indirect	-5.51%	Disposed	155.1% (price as of 2026-08-20)
March 12, 2019	DXCM	S	5,001	$142.79	$714,093	28,952 Indirect	-14.73%	Disposed	155.1% (price as of 2026-08-20)
March 12, 2019	DXCM	S	1,936	$142.79	$276,441	33,953 Indirect	-5.39%	Disposed	155.1% (price as of 2026-08-20)
March 12, 2019	DXCM	J	10,031	—	—	35,889 Indirect	+38.79%	Acquired	(price as of 2026-08-20)
March 12, 2019	DXCM	J	3,647	—	—	25,858 Indirect	+16.42%	Acquired	(price as of 2026-08-20)
March 12, 2019	DXCM	J	5,500	—	—	22,211 Indirect	+32.91%	Acquired	(price as of 2026-08-20)
March 12, 2019	DXCM	J	10,031	—	—	39,432 Direct	-20.28%	Disposed	(price as of 2026-08-20)
March 12, 2019	DXCM	J	3,647	—	—	49,463 Direct	-6.87%	Disposed	(price as of 2026-08-20)
March 12, 2019	DXCM	J	5,500	—	—	53,110 Direct	-9.38%	Disposed	(price as of 2026-08-20)
March 8, 2019	DXCM	A	11,714	—	—	58,610 Direct	+24.98%	Acquired	(price as of 2026-08-20)
Sept. 10, 2018	DXCM	S 10b5-1	5,736	$143.35	$822,256	16,711 Indirect	-25.55%	Disposed	154.1% (price as of 2026-08-20)
Sept. 10, 2018	DXCM	J	17,386	—	—	22,447 Indirect	+343.53%	Acquired	(price as of 2026-08-20)
Sept. 10, 2018	DXCM	J	17,386	—	—	46,534 Direct	-27.20%	Disposed	(price as of 2026-08-20)
Sept. 10, 2018	DXCM	S 10b5-1	2,762	$143.76	$397,065	63,920 Direct	-4.14%	Disposed	153.3% (price as of 2026-08-20)
Sept. 10, 2018	DXCM	S 10b5-1	1,832	$143.76	$263,368	66,682 Direct	-2.67%	Disposed	153.3% (price as of 2026-08-20)
Aug. 1, 2018	DXCM	S 10b5-1	5,831	$94.13	$548,872	5,061 Indirect	-53.53%	Disposed	286.9% (price as of 2026-08-20)
June 28, 2018	DXCM	S 10b5-1	23,767	$93.11	$2,212,945	10,892 Indirect	-68.57%	Disposed	291.2% (price as of 2026-08-20)
June 28, 2018	DXCM	S 10b5-1	26,205	$92.26	$2,417,673	34,659 Indirect	-43.06%	Disposed	294.8% (price as of 2026-08-20)
June 28, 2018	DXCM	S 10b5-1	9,221	$91.49	$843,629	60,864 Indirect	-13.16%	Disposed	298.1% (price as of 2026-08-20)
June 8, 2018	DXCM	G	315	—	—	70,085 Indirect	-0.45%	Disposed	(price as of 2026-08-20)
March 12, 2018	DXCM	D	2,992	$60.73	$181,704	68,511 Direct	-4.18%	Disposed	499.7% (price as of 2026-08-20)
March 12, 2018	DXCM	D	2,402	$60.73	$145,873	71,503 Direct	-3.25%	Disposed	499.7% (price as of 2026-08-20)
March 12, 2018	DXCM	D	1,929	$60.73	$117,148	73,905 Direct	-2.54%	Disposed	499.7% (price as of 2026-08-20)
March 8, 2018	DXCM	A	30,093	—	—	75,834 Direct	+65.79%	Acquired	(price as of 2026-08-20)
Sept. 11, 2017	DXCM	D	3,523	$71.81	$252,987	70,400 Indirect	-4.77%	Disposed	407.2% (price as of 2026-08-20)
Sept. 11, 2017	DXCM	D	2,907	$71.81	$208,752	73,923 Indirect	-3.78%	Disposed	407.2% (price as of 2026-08-20)
Sept. 11, 2017	DXCM	J	6,666	$71.26	$475,019	76,830 Indirect	+9.50%	Acquired	411.1% (price as of 2026-08-20)
Sept. 11, 2017	DXCM	J	5,500	$71.26	$391,930	70,164 Indirect	+8.51%	Acquired	411.1% (price as of 2026-08-20)
Sept. 11, 2017	DXCM	J	6,666	$71.26	$475,019	45,410 Direct	-12.80%	Disposed	411.1% (price as of 2026-08-20)
Sept. 11, 2017	DXCM	J	5,500	$71.26	$391,930	52,076 Direct	-9.55%	Disposed	411.1% (price as of 2026-08-20)
March 10, 2017	DXCM	D	5,813	$77.55	$450,798	64,664 Indirect	-8.25%	Disposed	369.6% (price as of 2026-08-20)
March 10, 2017	DXCM	D	2,867	$77.55	$222,336	70,477 Indirect	-3.91%	Disposed	369.6% (price as of 2026-08-20)
March 10, 2017	DXCM	D	3,213	$77.55	$249,168	73,344 Indirect	-4.20%	Disposed	369.6% (price as of 2026-08-20)
March 10, 2017	DXCM	J	11,000	$78.24	$860,640	76,557 Indirect	+16.78%	Acquired	365.5% (price as of 2026-08-20)
March 10, 2017	DXCM	J	6,667	$78.24	$521,626	65,557 Indirect	+11.32%	Acquired	365.5% (price as of 2026-08-20)
March 10, 2017	DXCM	J	8,334	$78.24	$652,052	58,890 Indirect	+16.48%	Acquired	365.5% (price as of 2026-08-20)
March 10, 2017	DXCM	J	11,000	$78.24	$860,640	57,486 Direct	-16.06%	Disposed	365.5% (price as of 2026-08-20)
March 10, 2017	DXCM	J	6,667	$78.24	$521,626	68,486 Direct	-8.87%	Disposed	365.5% (price as of 2026-08-20)
March 10, 2017	DXCM	J	8,334	$78.24	$652,052	75,153 Direct	-9.98%	Disposed	365.5% (price as of 2026-08-20)
March 8, 2017	DXCM	A	21,883	—	—	83,487 Direct	+35.52%	Acquired	(price as of 2026-08-20)
Sept. 13, 2016	DXCM	G	290	—	—	50,556 Indirect	-0.57%	Disposed	(price as of 2026-08-20)
Sept. 9, 2016	DXCM	D	3,556	$93.72	$333,268	50,846 Indirect	-6.54%	Disposed	288.6% (price as of 2026-08-20)
Sept. 9, 2016	DXCM	D	4,445	$93.72	$416,585	54,402 Indirect	-7.55%	Disposed	288.6% (price as of 2026-08-20)
Sept. 9, 2016	DXCM	J	6,666	$65.80	$438,623	58,847 Indirect	+12.77%	Acquired	453.5% (price as of 2026-08-20)
Sept. 9, 2016	DXCM	J	8,333	$95.80	$798,301	52,181 Indirect	+19.00%	Acquired	280.2% (price as of 2026-08-20)
Sept. 9, 2016	DXCM	J	6,666	$95.80	$638,603	61,334 Direct	-9.80%	Disposed	280.2% (price as of 2026-08-20)
Sept. 9, 2016	DXCM	J	8,333	$95.80	$798,301	68,000 Direct	-10.92%	Disposed	280.2% (price as of 2026-08-20)
Aug. 1, 2016	DXCM	S 10b5-1	10,000	$93.00	$930,000	12,599 Indirect	-44.25%	Disposed	291.6% (price as of 2026-08-20)
July 29, 2016	DXCM	S 10b5-1	5,000	$91.00	$455,000	22,599 Indirect	-18.12%	Disposed	300.2% (price as of 2026-08-20)
July 22, 2016	DXCM	S 10b5-1	10,000	$88.48	$884,800	27,599 Indirect	-26.60%	Disposed	311.6% (price as of 2026-08-20)
July 19, 2016	DXCM	S 10b5-1	7,843	$83.00	$650,969	76,333 Direct	-9.32%	Disposed	338.8% (price as of 2026-08-20)
July 19, 2016	DXCM	S 10b5-1	5,000	$85.00	$425,000	37,599 Indirect	-11.74%	Disposed	328.5% (price as of 2026-08-20)
June 29, 2016	DXCM	S 10b5-1	4,557	$80.00	$364,560	50,442 Indirect	-8.29%	Disposed	355.3% (price as of 2026-08-20)
June 20, 2016	DXCM	S 10b5-1	7,209	$77.00	$555,093	54,999 Indirect	-11.59%	Disposed	373.0% (price as of 2026-08-20)
June 9, 2016	DXCM	S 10b5-1	6,910	$74.00	$511,340	62,208 Indirect	-10.00%	Disposed	392.2% (price as of 2026-08-20)
June 8, 2016	DXCM	S 10b5-1	6,866	$71.00	$487,486	69,118 Indirect	-9.04%	Disposed	413.0% (price as of 2026-08-20)
March 14, 2016	DXCM	D	4,430	$63.96	$283,343	75,984 Indirect	-5.51%	Disposed	469.4% (price as of 2026-08-20)
March 11, 2016	DXCM	J	8,334	$65.15	$542,960	80,414 Indirect	+11.56%	Acquired	459.0% (price as of 2026-08-20)
March 11, 2016	DXCM	J	8,334	$65.15	$542,960	76,333 Direct	-9.84%	Disposed	459.0% (price as of 2026-08-20)
March 10, 2016	DXCM	D	6,532	$63.18	$412,692	72,080 Indirect	-8.31%	Disposed	476.4% (price as of 2026-08-20)
March 10, 2016	DXCM	D	3,321	$63.18	$209,821	78,612 Indirect	-4.05%	Disposed	476.4% (price as of 2026-08-20)
March 8, 2016	DXCM	J	13,334	$66.10	$881,377	81,933 Indirect	+19.44%	Acquired	451.0% (price as of 2026-08-20)
March 8, 2016	DXCM	J	8,333	$66.10	$550,811	68,599 Indirect	+13.83%	Acquired	451.0% (price as of 2026-08-20)
March 8, 2016	DXCM	J	13,334	$66.10	$881,377	84,667 Direct	-13.61%	Disposed	451.0% (price as of 2026-08-20)
March 8, 2016	DXCM	J	8,333	$66.10	$550,811	98,001 Direct	-7.84%	Disposed	451.0% (price as of 2026-08-20)
March 8, 2016	DXCM	A	33,000	—	—	106,334 Direct	+45.00%	Acquired	(price as of 2026-08-20)
Sept. 14, 2015	DXCM	D	4,416	$95.93	$423,627	59,982 Indirect	-6.86%	Disposed	279.7% (price as of 2026-08-20)
Sept. 14, 2015	DXCM	J	8,333	$97.41	$811,718	64,398 Indirect	+14.86%	Acquired	273.9% (price as of 2026-08-20)
Sept. 14, 2015	DXCM	J	8,333	$97.41	$811,718	73,334 Direct	-10.20%	Disposed	273.9% (price as of 2026-08-20)
Sept. 9, 2015	DXCM	J	8,333	$91.05	$758,720	81,667 Direct	-9.26%	Disposed	300.0% (price as of 2026-08-20)
Sept. 9, 2015	DXCM	J	8,333	$91.05	$758,720	60,469 Indirect	+15.98%	Acquired	300.0% (price as of 2026-08-20)
Sept. 9, 2015	DXCM	D	4,404	$90.90	$400,324	56,065 Indirect	-7.28%	Disposed	300.7% (price as of 2026-08-20)
Sept. 1, 2015	DXCM	S 10b5-1	8,881	$90.61	$804,707	52,136 Indirect	-14.55%	Disposed	301.9% (price as of 2026-08-20)
Aug. 18, 2015	DXCM	S 10b5-1	6,029	$97.49	$587,767	61,017 Indirect	-8.99%	Disposed	273.6% (price as of 2026-08-20)
Aug. 4, 2015	DXCM	S 10b5-1	5,276	$85.18	$449,410	67,046 Indirect	-7.30%	Disposed	327.6% (price as of 2026-08-20)
July 21, 2015	DXCM	S 10b5-1	3,786	$83.48	$316,055	72,322 Indirect	-4.97%	Disposed	336.3% (price as of 2026-08-20)
July 7, 2015	DXCM	S 10b5-1	5,000	$79.32	$396,600	76,108 Indirect	-6.16%	Disposed	359.2% (price as of 2026-08-20)
June 23, 2015	DXCM	S 10b5-1	5,154	$77.54	$399,641	81,108 Indirect	-5.97%	Disposed	369.7% (price as of 2026-08-20)

Showing latest 100 of 222 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
April 27, 2015	DXCM	Incentive Stock Option (right to buy)	Common Stock (5,000)	$9.36	Sept. 20, 2017	5,000	Disposed
April 13, 2015	DXCM	Incentive Stock Option (right to buy)	Common Stock (5,000)	$9.36	Sept. 20, 2017	5,000	Disposed
April 10, 2015	DXCM	Incentive Stock Option (right to buy)	Common Stock (1,956)	$9.80	March 12, 2020	1,956	Disposed
April 10, 2015	DXCM	Incentive Stock Option (right to buy)	Common Stock (5,000)	$9.36	Sept. 20, 2017	5,000	Disposed
April 10, 2015	DXCM	Incentive Stock Option (right to buy)	Common Stock (3,000)	$9.36	Sept. 20, 2017	3,000	Disposed
April 10, 2015	DXCM	Incentive Stock Option (right to buy)	Common Stock (810)	$7.63	May 19, 2018	810	Disposed
March 2, 2015	DXCM	Incentive Stock Option (right to buy)	Common Stock (5,000)	$9.80	March 12, 2020	5,000	Disposed
Feb. 17, 2015	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (5,044)	$9.80	March 12, 2020	5,044	Disposed
Feb. 2, 2015	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (5,000)	$9.80	March 12, 2020	5,000	Disposed
Jan. 20, 2015	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (5,000)	$9.80	March 12, 2020	5,000	Disposed
Jan. 5, 2015	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (5,000)	$9.80	March 12, 2020	5,000	Disposed
Nov. 11, 2014	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (4,000)	$9.80	March 12, 2020	4,000	Disposed
Aug. 26, 2014	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$9.80	March 12, 2020	10,000	Disposed
Aug. 26, 2014	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (6,663)	$6.33	Sept. 24, 2018	6,663	Disposed
April 25, 2014	DXCM	Incentive Stock Option (right to buy)	Common Stock (2,000)	$9.36	Sept. 20, 2017	2,000	Disposed
April 25, 2014	DXCM	Incentive Stock Option (right to buy)	Common Stock (3,097)	$7.63	May 19, 2018	3,097	Disposed
April 7, 2014	DXCM	Incentive Stock Option (right to buy)	Common Stock (6,463)	$6.33	Sept. 24, 2018	6,463	Disposed
April 7, 2014	DXCM	Incentive Stock Option (right to buy)	Common Stock (1)	$3.19	Dec. 11, 2018	1	Disposed
March 27, 2014	DXCM	Incentive Stock Option (right to buy)	Common Stock (15,000)	$6.33	Sept. 24, 2018	15,000	Disposed
March 5, 2014	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (5,000)	$6.33	Sept. 24, 2018	5,000	Disposed
March 4, 2014	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (5,000)	$6.33	Sept. 24, 2018	5,000	Disposed
Feb. 28, 2014	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$6.33	Sept. 24, 2018	2,500	Disposed
Feb. 26, 2014	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (2,500)	$6.33	Sept. 24, 2018	2,500	Disposed
Feb. 26, 2014	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (8,750)	$3.19	Dec. 11, 2018	8,750	Disposed
May 15, 2013	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (5,000)	$3.19	Dec. 11, 2018	5,000	Disposed
May 13, 2010	DXCM	Incentive Stock Option (right to buy)	Common Stock (3,593)	$7.63	May 19, 2018	3,593	Disposed
May 13, 2010	DXCM	Incentive Stock Option (right to buy)	Common Stock (3,013)	$6.33	Sept. 24, 2018	3,013	Disposed
March 12, 2010	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (34,044)	$9.80	March 12, 2020	34,044	Acquired
March 12, 2010	DXCM	Incentive Stock Option (right to buy)	Common Stock (6,956)	$9.80	March 12, 2020	6,956	Acquired
Oct. 9, 2009	DXCM	Incentive Stock Option (right to buy)	Common Stock (3,861)	$6.33	Sept. 24, 2018	3,861	Disposed
Dec. 11, 2008	DXCM	Non-Qualified Stock Option (right to buy)	Common Stock (44,999)	$3.19	Dec. 11, 2018	44,999	Acquired
Dec. 11, 2008	DXCM	Incentive Stock Option (right to buy)	Common Stock (1)	$3.19	Dec. 11, 2018	1	Acquired
Sept. 25, 2008	DXCM	Non-Qualified Stock Option (Right to Buy)	Common Stock (21,663)	$6.33	Sept. 24, 2018	21,663	Acquired
Sept. 25, 2008	DXCM	Incentive Stock Option (Right to Buy)	Common Stock (28,337)	$6.33	Sept. 24, 2018	28,337	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 3 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Nov. 21, 2008	DXCM	Common Stock	1,903	Direct
Sept. 29, 2008	DXCM	Incentive Stock Option (Right to Buy)→ Common Stock (20,000)	20,000	Direct
Sept. 29, 2008	DXCM	Incentive Stock Option (Right to Buy)→ Common Stock (7,500)	7,500	Direct