Collins Richard Alexander
SEC Form 4 insider trading activity
Collins Richard Alexander has filed 4 SEC Form 4 filings (5 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: Jun 1, 2026.
On the most recent filing, Collins Richard Alexander is listed as Director at DEXCOM INC. Inside the rolling window, Collins Richard Alexander reported no open-market purchases and 2 open-market sales totaling $389K in DXCM. The largest disclosed transaction in the window is a sale of 3,948 DXCM shares on Nov 10, 2025, worth $218K.
Companies traded
Other insiders at DXCM
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$389K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Collins Richard Alexander made?
Collins Richard Alexander has filed 4 SEC Form 4 filings (5 transaction rows) across 1 company since 2025.
Which companies does Collins Richard Alexander trade?
Collins Richard Alexander has filed SEC Form 4 disclosures for 1 company, including DXCM.
When was Collins Richard Alexander's most recent SEC Form 4 filing?
Collins Richard Alexander's most recent SEC Form 4 filing on Tracefour is dated Jun 1, 2026.
What is Collins Richard Alexander's total buy and sell value in the current window?
Inside the rolling retention window, Collins Richard Alexander bought $0 and sold $389K based on SEC Form 4 filings.
What was Collins Richard Alexander's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 3,948 DXCM shares on 2025-11-10, worth $218K, per SEC Form 4 filings.