Quentin Blackford

(Mr. Quentin Blackford)

Currently holds positions in DexCom Inc, AxoGen Inc and Alphatec Holdings Inc

Performance

4.2
Average Return

-12.5%

30 Days

8.2%

90 Days

15.1%

120 Days
Success Rate

50%

30 Days

68%

90 Days

82%

120 Days

Positions

Position Company Period
Chief Financial Officer, Chief Operating Officer DexCom Inc Oct. 1, 2019 -
Director AxoGen Inc May 15, 2019 -
Independent Director Alphatec Holdings Inc Oct. 1, 2017 -
Chief Financial Officer, Executive Vice President DexCom Inc Sept. 1, 2017 - Oct. 1, 2019
Chief Financial Officer, Executive Vice President Head of Strategy and Corporate Integrity NuVasive Inc Aug. 1, 2014 - Aug. 25, 2017
Executive Vice President - Finance and Investor Relations NuVasive Inc Feb. 1, 2014 - Aug. 1, 2014
Quentin Blackford's trades of iRhythm Technologies Inc's stock


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-03-04 2025-03-03
S Sale
8,145 -3.8%
108.77
USD 885,932 		8,145 -3.8% 108.77 USD 885,932
2025-02-27 2025-02-26
S Sale
22,252 -9.3%
112.13
USD 2,495,117 		22,252 -9.3% 112.13 USD 2,495,117
2024-11-05 2024-11-04
S Sale
16,145 -9.2%
77.41
USD 1,249,784 		16,145 -9.2% 77.41 USD 1,249,784
2024-03-08 2024-03-07
B Purchase
20,000 +3.6%
12.83
USD 256,600 		20,000 +3.6% 12.83 USD 256,600
2024-03-05 2024-03-04
S Sale
4,221 -2.3%
111.14
USD 469,122 		4,221 -2.3% 111.14 USD 469,122
2024-03-01 2024-02-29
S Sale
24,701 -12.1%
121.96
USD 3,012,534 		24,701 -12.1% 121.96 USD 3,012,534
2022-11-04 2022-11-02
S Sale
12,415 -12.2%
122.50
USD 1,520,838 		12,415 -12.2% 122.50 USD 1,520,838
2022-11-04 2022-11-02
S Sale
284 -0.3%
118.17
USD 33,560 		284 -0.3% 118.17 USD 33,560
2021-03-12 2021-03-10
US DexCom Inc (DXCM)
S Sale
6,509 -12.6%
362.22
USD 2,357,688 		6,509 -12.6% 362.22 USD 2,357,688
2020-09-11 2020-09-10
US DexCom Inc (DXCM)
PS Planned sale
171 -0.4%
405.33
USD 69,311 		171 -0.4% 405.33 USD 69,311
2020-09-11 2020-09-10
US DexCom Inc (DXCM)
PS Planned sale
272 -0.6%
403.87
USD 109,854 		272 -0.6% 403.87 USD 109,854
2020-09-11 2020-09-10
US DexCom Inc (DXCM)
PS Planned sale
2,159 -4.6%
402.72
USD 869,471 		2,159 -4.6% 402.72 USD 869,471
2020-09-11 2020-09-10
US DexCom Inc (DXCM)
PS Planned sale
3,157 -6.3%
401.79
USD 1,268,455 		3,157 -6.3% 401.79 USD 1,268,455
2020-09-11 2020-09-10
US DexCom Inc (DXCM)
PS Planned sale
3,017 -5.7%
399.91
USD 1,206,536 		3,017 -5.7% 399.91 USD 1,206,536
2020-09-11 2020-09-10
US DexCom Inc (DXCM)
PS Planned sale
1,594 -2.9%
398.98
USD 635,978 		1,594 -2.9% 398.98 USD 635,978
2020-09-11 2020-09-10
US DexCom Inc (DXCM)
PS Planned sale
1,300 -2.3%
397.76
USD 517,090 		1,300 -2.3% 397.76 USD 517,090
2020-09-11 2020-09-10
US DexCom Inc (DXCM)
PS Planned sale
523 -0.9%
397.03
USD 207,647 		523 -0.9% 397.03 USD 207,647
2020-09-11 2020-09-09
US DexCom Inc (DXCM)
S Sale
1,579 -2.7%
398.30
USD 628,919 		1,579 -2.7% 398.30 USD 628,919
2020-09-11 2020-09-09
US DexCom Inc (DXCM)
S Sale
3,297 -5.4%
398.30
USD 1,313,202 		3,297 -5.4% 398.30 USD 1,313,202
2020-09-11 2020-09-09
US DexCom Inc (DXCM)
S Sale
8,010 -11.6%
398.30
USD 3,190,399 		8,010 -11.6% 398.30 USD 3,190,399
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
100 -0.1%
244.78
USD 24,478 		100 -0.1% 244.78 USD 24,478
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
400 -0.6%
244.01
USD 97,604 		400 -0.6% 244.01 USD 97,604
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
500 -0.7%
241.06
USD 120,532 		500 -0.7% 241.06 USD 120,532
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
1,100 -1.5%
239.63
USD 263,596 		1,100 -1.5% 239.63 USD 263,596
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
600 -0.8%
238.29
USD 142,972 		600 -0.8% 238.29 USD 142,972
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
641 -0.9%
237.10
USD 151,980 		641 -0.9% 237.10 USD 151,980
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
472 -0.6%
235.90
USD 111,344 		472 -0.6% 235.90 USD 111,344
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
300 -0.4%
234.23
USD 70,270 		300 -0.4% 234.23 USD 70,270
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
200 -0.3%
232.00
USD 46,400 		200 -0.3% 232.00 USD 46,400
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
200 -0.3%
228.86
USD 45,772 		200 -0.3% 228.86 USD 45,772
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
400 -0.5%
227.56
USD 91,025 		400 -0.5% 227.56 USD 91,025
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
457 -0.6%
223.62
USD 102,196 		457 -0.6% 223.62 USD 102,196
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
S Sale
200 -0.3%
220.50
USD 44,100 		200 -0.3% 220.50 USD 44,100
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
200 -0.3%
219.37
USD 43,873 		200 -0.3% 219.37 USD 43,873
2020-03-13 2020-03-12
US DexCom Inc (DXCM)
PS Planned sale
583 -0.8%
218.84
USD 127,582 		583 -0.8% 218.84 USD 127,582
2020-03-13 2020-03-11
US DexCom Inc (DXCM)
S Sale
5,963 -7.3%
265.43
USD 1,582,735 		5,963 -7.3% 265.43 USD 1,582,735
2020-03-13 2020-03-11
US DexCom Inc (DXCM)
S Sale
129 -0.2%
251.03
USD 32,383 		129 -0.2% 251.03 USD 32,383
2020-03-13 2020-03-11
US DexCom Inc (DXCM)
S Sale
116 -0.1%
246.61
USD 28,607 		116 -0.1% 246.61 USD 28,607
2020-03-10 2020-03-09
US DexCom Inc (DXCM)
PS Planned sale
891 -1.1%
261.00
USD 232,551 		891 -1.1% 261.00 USD 232,551
2019-09-12 2019-09-10
US DexCom Inc (DXCM)
PS Planned sale
600 -0.9%
144.57
USD 86,742 		600 -0.9% 144.57 USD 86,742
2019-09-12 2019-09-10
US DexCom Inc (DXCM)
PS Planned sale
406 -0.6%
143.57
USD 58,288 		406 -0.6% 143.57 USD 58,288
2019-09-12 2019-09-10
US DexCom Inc (DXCM)
PS Planned sale
1,289 -1.8%
142.16
USD 183,247 		1,289 -1.8% 142.16 USD 183,247
2019-09-12 2019-09-10
US DexCom Inc (DXCM)
PS Planned sale
3,725 -4.9%
141.62
USD 527,517 		3,725 -4.9% 141.62 USD 527,517
2019-09-12 2019-09-10
US DexCom Inc (DXCM)
PS Planned sale
2,500 -3.2%
140.47
USD 351,181 		2,500 -3.2% 140.47 USD 351,181
2019-09-12 2019-09-10
US DexCom Inc (DXCM)
PS Planned sale
1,800 -2.2%
139.29
USD 250,716 		1,800 -2.2% 139.29 USD 250,716
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