Collins Richard Alexander

Track

Insider profile

Performance

Overall performance
3.3
Performance over holding periods
3.3
30 days 90 days 120 days
Average return 20% 8.2% 15.1%
Success rate 100% 68% 82%
Transactions
1 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Collins Richard Alexander's trades of DexCom Inc's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
US DexCom Inc (DXCM)
Transaction date
Planned sale
Price
233.16
Quantity 6,695 -19.3%
Value US$4,384,400
US DexCom Inc (DXCM)
Transaction date
Proposed sale
Price
458.63
Quantity 5,177
Value US$648,795
US DexCom Inc (DXCM)
Transaction date
Proposed sale
Price
234.21
Quantity 91,820
Value US$988,322
US DexCom Inc (DXCM)
Transaction date
Planned sale
Price
55.17
Quantity 3,948 -9.4%
Value US$217,811
US DexCom Inc (DXCM)
Transaction date
Sale
Price
647.05
Quantity 1,500 -17.2%
Value US$970,575
US DexCom Inc (DXCM)
Transaction date
Planned sale
Price
284.40
Quantity 4,000 -43.0%
Value US$1,137,600
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-11-17 2025-11-14
US DexCom Inc (DXCM)
PlS Planned sale
6,695 -19.3%
233.16
US$4,384,400 		6,695 -19.3% 233.16 US$4,384,400
2025-11-14 2025-11-14
US DexCom Inc (DXCM)
PrS Proposed sale
5,177
458.63
US$648,795 		5,177 458.63 US$648,795
2025-11-10 2025-11-10
US DexCom Inc (DXCM)
PrS Proposed sale
91,820
234.21
US$988,322 		91,820 234.21 US$988,322
2025-11-10 2025-11-10
US DexCom Inc (DXCM)
PlS Planned sale
3,948 -9.4%
55.17
US$217,811 		3,948 -9.4% 55.17 US$217,811
2021-11-29 2021-11-03
US DexCom Inc (DXCM)
S Sale
1,500 -17.2%
647.05
US$970,575 		1,500 -17.2% 647.05 US$970,575
2020-02-20 2020-02-18
US DexCom Inc (DXCM)
PlS Planned sale
4,000 -43.0%
284.40
US$1,137,600 		4,000 -43.0% 284.40 US$1,137,600