Mark Foletta

Track

Insider profile

Currently holds positions in Forte Biosciences Inc, Amylin Pharmaceuticals LLC, AMN Healthcare Services Inc and DexCom Inc

Performance

Overall performance
3.7
Performance over holding periods
3.7
30 days 90 days 120 days
Average return 15% 8.2% 15.1%
Success rate 100% 68% 82%
Transactions
4 50% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Chief Financial Officer, Executive Vice President Forte Biosciences Inc Feb. 1, 2017 -
Chief Financial Officer, Senior Vice President - Finance Amylin Pharmaceuticals LLC March 1, 2006 -
Independent Director AMN Healthcare Services Inc Dec. 12, 2012 -
Lead Independent Director DexCom Inc Nov. 1, 2015 -
Independent Director Regulus Therapeutics Inc Jan. 31, 2013 - April 1, 2018
Interim Chief Financial Officer Biocept Inc Aug. 21, 2015 - July 27, 2016
Independent Director DexCom Inc Nov. 19, 2014 - Nov. 1, 2015
Mark Foletta's trades of DexCom Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-08-18 2025-08-15
US DexCom Inc (DXCM)
S Sale
56,154 -26.4%
130.55
US$684,727 		56,154 -26.4% 130.55 US$684,727
2025-08-18 2025-08-15
US DexCom Inc (DXCM)
PlS Planned sale
97,931 -7.9%
100.63
US$3,718,296 		97,931 -7.9% 100.63 US$3,718,296
2025-08-15 2025-08-15
US DexCom Inc (DXCM)
PrS Proposed sale
45,366
373.88
US$2,071,423 		45,366 373.88 US$2,071,423
2025-07-17 2025-07-15
US DexCom Inc (DXCM)
S Sale
8 -0.0%
86.03
US$688 		8 -0.0% 86.03 US$688
2025-07-17 2025-07-15
US DexCom Inc (DXCM)
PlS Planned sale
2,742 -4.8%
85.17
US$233,528 		2,742 -4.8% 85.17 US$233,528
2025-07-15 2025-07-15
US DexCom Inc (DXCM)
PrS Proposed sale
2,750
86.03
US$236,582 		2,750 86.03 US$236,582
2025-06-18 2025-06-16
US DexCom Inc (DXCM)
PlS Planned sale
2,750 -4.6%
83.13
US$228,605 		2,750 -4.6% 83.13 US$228,605
2025-06-16 2025-06-16
US DexCom Inc (DXCM)
PrS Proposed sale
2,750
82.80
US$227,700 		2,750 82.80 US$227,700
2024-06-20 2024-06-18
US DexCom Inc (DXCM)
PlS Planned sale
299 -0.5%
117.25
US$35,056 		299 -0.5% 117.25 US$35,056
2024-06-20 2024-06-18
US DexCom Inc (DXCM)
PlS Planned sale
3,007 -5.0%
116.75
US$351,065 		3,007 -5.0% 116.75 US$351,065
2024-06-18 2024-06-18
US DexCom Inc (DXCM)
PrS Proposed sale
3,306
116.53
US$385,248 		3,306 116.53 US$385,248
2024-06-20 2024-06-17
US DexCom Inc (DXCM)
PlS Planned sale
475 -0.8%
117.77
US$55,942 		475 -0.8% 117.77 US$55,942
2024-06-20 2024-06-17
US DexCom Inc (DXCM)
PlS Planned sale
2,212 -3.5%
117.16
US$259,159 		2,212 -3.5% 117.16 US$259,159
2024-06-20 2024-06-17
US DexCom Inc (DXCM)
PlS Planned sale
7 -0.0%
115.18
US$806 		7 -0.0% 115.18 US$806
2024-06-17 2024-06-17
US DexCom Inc (DXCM)
PrS Proposed sale
2,694
115.18
US$310,295 		2,694 115.18 US$310,295
2024-03-01 2024-02-29
B Purchase
500 +6.2%
56.90
US$28,450 		500 +6.2% 56.90 US$28,450
2023-05-25 2023-05-25
US DexCom Inc (DXCM)
PrS Proposed sale
10,000
113.65
US$1,136,528 		10,000 113.65 US$1,136,528
2023-04-25 2023-04-21
PlS Planned sale
1,458 -15.3%
88.78
US$129,441 		1,458 -15.3% 88.78 US$129,441
2023-04-13 2023-04-11
PlS Planned sale
1,053 -11.5%
84.63
US$89,115 		1,053 -11.5% 84.63 US$89,115
2023-04-13 2023-04-11
PlS Planned sale
4,989 -35.3%
84.29
US$420,523 		4,989 -35.3% 84.29 US$420,523
2021-12-02 2021-12-01
US DexCom Inc (DXCM)
PlS Planned sale
41 -0.3%
569.54
US$23,351 		41 -0.3% 569.54 US$23,351
2021-12-02 2021-12-01
US DexCom Inc (DXCM)
PlS Planned sale
2 -0.0%
567.35
US$1,135 		2 -0.0% 567.35 US$1,135
2021-12-02 2021-12-01
US DexCom Inc (DXCM)
PlS Planned sale
87 -0.7%
565.51
US$49,200 		87 -0.7% 565.51 US$49,200
2021-12-02 2021-12-01
US DexCom Inc (DXCM)
PlS Planned sale
65 -0.5%
564.24
US$36,675 		65 -0.5% 564.24 US$36,675
2021-12-02 2021-12-01
US DexCom Inc (DXCM)
PlS Planned sale
116 -0.9%
562.79
US$65,283 		116 -0.9% 562.79 US$65,283
2021-12-02 2021-12-01
US DexCom Inc (DXCM)
PlS Planned sale
78 -0.6%
561.85
US$43,824 		78 -0.6% 561.85 US$43,824
2021-12-02 2021-12-01
US DexCom Inc (DXCM)
PlS Planned sale
70 -0.5%
558.78
US$39,115 		70 -0.5% 558.78 US$39,115
2021-12-02 2021-12-01
US DexCom Inc (DXCM)
PlS Planned sale
41 -0.3%
556.89
US$22,832 		41 -0.3% 556.89 US$22,832
2021-11-02 2021-11-01
US DexCom Inc (DXCM)
PlS Planned sale
40 -0.3%
634.01
US$25,360 		40 -0.3% 634.01 US$25,360
2021-11-02 2021-11-01
US DexCom Inc (DXCM)
PlS Planned sale
40 -0.3%
631.26
US$25,250 		40 -0.3% 631.26 US$25,250
2021-11-02 2021-11-01
US DexCom Inc (DXCM)
PlS Planned sale
42 -0.3%
629.33
US$26,432 		42 -0.3% 629.33 US$26,432
2021-11-02 2021-11-01
US DexCom Inc (DXCM)
PlS Planned sale
76 -0.6%
628.41
US$47,759 		76 -0.6% 628.41 US$47,759
2021-11-02 2021-11-01
US DexCom Inc (DXCM)
PlS Planned sale
56 -0.4%
627.79
US$35,156 		56 -0.4% 627.79 US$35,156
2021-11-02 2021-11-01
US DexCom Inc (DXCM)
PlS Planned sale
7 -0.1%
626.05
US$4,382 		7 -0.1% 626.05 US$4,382
2021-11-02 2021-11-01
US DexCom Inc (DXCM)
PlS Planned sale
124 -0.9%
625.32
US$77,540 		124 -0.9% 625.32 US$77,540
2021-11-02 2021-11-01
US DexCom Inc (DXCM)
PlS Planned sale
43 -0.3%
624.10
US$26,836 		43 -0.3% 624.10 US$26,836
2021-11-02 2021-11-01
US DexCom Inc (DXCM)
PlS Planned sale
13 -0.1%
622.63
US$8,094 		13 -0.1% 622.63 US$8,094
2021-11-02 2021-11-01
US DexCom Inc (DXCM)
PlS Planned sale
14 -0.1%
619.32
US$8,670 		14 -0.1% 619.32 US$8,670
2021-11-02 2021-11-01
US DexCom Inc (DXCM)
PlS Planned sale
45 -0.3%
615.13
US$27,681 		45 -0.3% 615.13 US$27,681
2021-10-05 2021-10-01
US DexCom Inc (DXCM)
PlS Planned sale
1 -0.0%
551.58
US$552 		1 -0.0% 551.58 US$552
2021-10-05 2021-10-01
US DexCom Inc (DXCM)
PlS Planned sale
51 -0.4%
547.06
US$27,900 		51 -0.4% 547.06 US$27,900
2021-10-05 2021-10-01
US DexCom Inc (DXCM)
PlS Planned sale
181 -1.3%
544.39
US$98,535 		181 -1.3% 544.39 US$98,535
2021-10-05 2021-10-01
US DexCom Inc (DXCM)
PlS Planned sale
126 -0.9%
543.15
US$68,437 		126 -0.9% 543.15 US$68,437
2021-10-05 2021-10-01
US DexCom Inc (DXCM)
PlS Planned sale
88 -0.6%
540.93
US$47,602 		88 -0.6% 540.93 US$47,602
2021-10-05 2021-10-01
US DexCom Inc (DXCM)
PlS Planned sale
6 -0.0%
539.10
US$3,235 		6 -0.0% 539.10 US$3,235