Collins Richard Alexander
Director
1 company
Insider Signal Score
59
GoodTrades Analyzed
3
12M Win Rate
100.0%
Avg 3M Return
-3.4%
Avg 12M Return
+27.3%
Collins Richard Alexander is a Director at DXCM. Recent filings cover 0 purchases and 4 sales. Those positions are worth an estimated $475K at current prices.
Our model assigns Collins Richard Alexander a middling insider score of 59/100, based on 3 past trades. Over a 12-month horizon, 100.0% of those trades were profitable, with an average 12-month return of +27.3%.
Collins Richard Alexander's largest disclosed position is in DXCM as Director, worth about $475K. The recent filings there lean toward selling, a net 12,354 shares.
Holdings by Company
DXCMMay 28, 2026
Current Shares5.6K
Value$475.0K
Net Activity-12,354
Bought: 0Sold: 12.4K
Transaction History
Showing 4 filings
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 14, 2025 | DXCM Dexcom Inc | Director | Sell | 2,906 | $59.05 | $171,599.30 | -7.6% | +12.1% | - | |
| Nov 10, 2025 | DXCM Dexcom Inc | Director | Sell | 3,948 | $55.17 | $217,811.16 | -9.4% | +27.9% | - | |
| Nov 3, 2021 | DXCM Dexcom Inc | Director | Sell | 1,500 | $647.05 | $970,575.00 | -17.2% | -29.8% | -27.3% | |
| Feb 18, 2020 | DXCM Dexcom Inc | Director | Sell | 4,000 | $284.40 | $1,137,600.00 | -43.0% | - | - |