Richard Alexander Collins

CIK: 0001700619

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (25.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (25.0%)

Compensation grants

Other (G, F, J, C, D, …)4 (50.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

DXCM

DEXCOM INC

Director

Discretionary Trading P&L

Holdings

Transaction History (8 total)

DXCM
DEXCOM INC
May 28, 2026
Award(A)
Direct
5.6K shares-
DXCM
DEXCOM INC
May 8, 2026
Gift(G)
Direct
5.1K shares-
DXCM
DEXCOM INC
May 8, 2026
Gift(G)
Indirect
5.1K shares-
DXCM
DEXCOM INC
Nov 14, 2025
Sale(S)
Indirect
2.9K shares at avg. $59.05$172K
DXCM
DEXCOM INC
Nov 10, 2025
Sale(S)
Indirect
3.9K shares at avg. $55.17$218K
DXCM
DEXCOM INC
May 8, 2025
Gift(G)
Direct
2.6K shares-
DXCM
DEXCOM INC
May 8, 2025
Gift(G)
Indirect
2.6K shares-
DXCM
DEXCOM INC
May 8, 2025
Award(A)
Direct
5.1K shares-

		Type	Shares	Price		Ownership
May 28, 2026	DXCM DEXCOM INC	Award(A)	5,605	-	$0	Direct
May 8, 2026	DXCM DEXCOM INC	Gift(G)	5,074	-	$0	Direct
May 8, 2026	DXCM DEXCOM INC	Gift(G)	5,074	-	$0	Indirect
Nov 14, 2025	DXCM DEXCOM INC	Sale(S)	2,906	$59.05	$171,599	Indirect
Nov 10, 2025	DXCM DEXCOM INC	Sale(S)	3,948	$55.17	$217,811	Indirect
May 8, 2025	DXCM DEXCOM INC	Gift(G)	2,632	-	-	Direct
May 8, 2025	DXCM DEXCOM INC	Gift(G)	2,632	-	-	Indirect
May 8, 2025	DXCM DEXCOM INC	Award(A)	5,074	-	-	Direct

1-8 of 8 transactions

About Collins Richard Alexander

Collins Richard Alexander (SEC CIK 0001700619) files insider reports with the SEC as Director of DEXCOM INC (DXCM).

Signal8 holds 5 ownership filings by Collins Richard Alexander, all Form 4s, filed between May 12, 2025 and Jun 1, 2026. Those filings report 8 transactions, from May 8, 2025 to May 28, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Collins Richard Alexander's filings is in SAN DIEGO, CA.

Recent filings by Collins Richard Alexander

May 28, 2026: Grant or award of DXCM shares (Form 4, code A).
May 8, 2026: Gifts of DXCM shares (2 lines, Form 4, code G).
Nov 14, 2025: Open-market sale of DXCM shares (Form 4, code S).
Nov 10, 2025: Open-market sale of DXCM shares (Form 4, code S).
May 8, 2025: Gifts of DXCM shares (2 lines, Form 4, code G).

Other insiders filing for DEXCOM INC (DXCM)

Ashley Euan A., Director
Stern Sadie, EVP Chief People & Culture Off
Brown Michael Jon, EVP Chief Legal Compliance Off
AUGUSTINOS NICHOLAS, Director
Sylvain Jereme M, EVP, Chief Financal Officer
Boehnlein Glenn S, Director

How to read Form 4 transaction codes