Rick Carpenter

CIK: 0001513889

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)24 (43.6%)

Derivative conversions

Awards (A)7 (12.7%)

Compensation grants

Other (G, F, J, C, D, …)24 (43.6%)

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

Companies & Roles (1)

TNDM

TANDEM DIABETES CARE INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (55 total)

TNDM
TANDEM DIABETES CARE INC
Aug 15, 2026
Exercise(M)
Direct
1.6K shares-
TNDM
TANDEM DIABETES CARE INC
Aug 15, 2026
Exercise(M)
Direct
897 shares-
TNDM
TANDEM DIABETES CARE INC
Aug 15, 2026
Tax Payment(F)
Direct
457 shares at avg. $22.72$10K
TNDM
TANDEM DIABETES CARE INC
Aug 15, 2026
Tax Payment(F)
Direct
820 shares at avg. $22.72$19K
TNDM
TANDEM DIABETES CARE INC
May 29, 2026
Award(A)
Restricted Stock Unit
Direct
26K shares-
TNDM
TANDEM DIABETES CARE INC
May 15, 2026
Tax Payment(F)
Direct
457 shares at avg. $12.82$6K
TNDM
TANDEM DIABETES CARE INC
May 15, 2026
Tax Payment(F)
Direct
3.3K shares at avg. $12.82$42K
TNDM
TANDEM DIABETES CARE INC
May 15, 2026
Exercise(M)
Direct
1.4K shares-
TNDM
TANDEM DIABETES CARE INC
May 15, 2026
Exercise(M)
Direct
6.4K shares-
TNDM
TANDEM DIABETES CARE INC
May 15, 2026
Exercise(M)
Direct
898 shares-
TNDM
TANDEM DIABETES CARE INC
May 15, 2026
Award(A)
Direct
1.3K shares at avg. $10.90$15K
TNDM
TANDEM DIABETES CARE INC
May 15, 2026
Tax Payment(F)
Direct
732 shares at avg. $12.82$9K
TNDM
TANDEM DIABETES CARE INC
Feb 17, 2026
Exercise(M)
Direct
897 shares-
TNDM
TANDEM DIABETES CARE INC
Feb 17, 2026
Tax Payment(F)
Direct
504 shares at avg. $18.95$10K
TNDM
TANDEM DIABETES CARE INC
Feb 17, 2026
Exercise(M)
Direct
1.4K shares-
TNDM
TANDEM DIABETES CARE INC
Feb 17, 2026
Tax Payment(F)
Direct
808 shares at avg. $18.95$15K
TNDM
TANDEM DIABETES CARE INC
Dec 15, 2025
Exercise(M)
Direct
406 shares-
TNDM
TANDEM DIABETES CARE INC
Dec 15, 2025
Tax Payment(F)
Direct
207 shares at avg. $22.11$5K
TNDM
TANDEM DIABETES CARE INC
Nov 17, 2025
Tax Payment(F)
Direct
730 shares at avg. $18.61$14K
TNDM
TANDEM DIABETES CARE INC
Nov 17, 2025
Exercise(M)
Direct
897 shares-
TNDM
TANDEM DIABETES CARE INC
Nov 17, 2025
Exercise(M)
Direct
1.4K shares-
TNDM
TANDEM DIABETES CARE INC
Nov 17, 2025
Tax Payment(F)
Direct
456 shares at avg. $18.61$8K
TNDM
TANDEM DIABETES CARE INC
Nov 17, 2025
Award(A)
Direct
339 shares at avg. $15.59$5K
TNDM
TANDEM DIABETES CARE INC
Sep 15, 2025
Tax Payment(F)
Direct
207 shares at avg. $12.09$3K
TNDM
TANDEM DIABETES CARE INC
Sep 15, 2025
Exercise(M)
Direct
406 shares-

		Type	Shares	Price		Ownership
Aug 15, 2026	TNDM TANDEM DIABETES CARE INC	Exercise(M)	1,610	-	$0	Direct
Aug 15, 2026	TNDM TANDEM DIABETES CARE INC	Exercise(M)	897	-	$0	Direct
Aug 15, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	457	$22.72	$10,383	Direct
Aug 15, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	820	$22.72	$18,630	Direct
May 29, 2026	TNDM TANDEM DIABETES CARE INC	Award(A) Restricted Stock Unit	26,003	-	-	Direct
May 15, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	457	$12.82	$5,859	Direct
May 15, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	3,277	$12.82	$42,011	Direct
May 15, 2026	TNDM TANDEM DIABETES CARE INC	Exercise(M)	1,437	-	$0	Direct
May 15, 2026	TNDM TANDEM DIABETES CARE INC	Exercise(M)	6,439	-	$0	Direct
May 15, 2026	TNDM TANDEM DIABETES CARE INC	Exercise(M)	898	-	$0	Direct
May 15, 2026	TNDM TANDEM DIABETES CARE INC	Award(A)	1,336	$10.90	$14,562	Direct
May 15, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	732	$12.82	$9,384	Direct
Feb 17, 2026	TNDM TANDEM DIABETES CARE INC	Exercise(M)	897	-	$0	Direct
Feb 17, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	504	$18.95	$9,551	Direct
Feb 17, 2026	TNDM TANDEM DIABETES CARE INC	Exercise(M)	1,437	-	$0	Direct
Feb 17, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	808	$18.95	$15,312	Direct
Dec 15, 2025	TNDM TANDEM DIABETES CARE INC	Exercise(M)	406	-	-	Direct
Dec 15, 2025	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	207	$22.11	$4,577	Direct
Nov 17, 2025	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	730	$18.61	$13,585	Direct
Nov 17, 2025	TNDM TANDEM DIABETES CARE INC	Exercise(M)	897	-	-	Direct
Nov 17, 2025	TNDM TANDEM DIABETES CARE INC	Exercise(M)	1,437	-	-	Direct
Nov 17, 2025	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	456	$18.61	$8,486	Direct
Nov 17, 2025	TNDM TANDEM DIABETES CARE INC	Award(A)	339	$15.59	$5,285	Direct
Sep 15, 2025	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	207	$12.09	$2,503	Direct
Sep 15, 2025	TNDM TANDEM DIABETES CARE INC	Exercise(M)	406	-	-	Direct

1-25 of 55 transactions

About Carpenter Rick

Carpenter Rick (SEC CIK 0001513889) files insider reports with the SEC as EVP & Chief Technology Officer of TANDEM DIABETES CARE INC (TNDM).

Signal8 holds 16 ownership filings by Carpenter Rick, all Form 4s, filed between Sep 18, 2024 and Aug 18, 2026. Those filings report 55 transactions, from Sep 16, 2024 to Aug 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Carpenter Rick's filings is in SAN DIEGO, CA.

Recent filings by Carpenter Rick

Aug 15, 2026: Option exercises of TNDM shares (2 lines, Form 4, code M).
Aug 15, 2026: Tax withholdings of TNDM shares (2 lines, Form 4, code F).
May 29, 2026: Grant or award of TNDM derivative securities (Form 4, code A).
May 15, 2026: Tax withholdings of TNDM shares (2 lines, Form 4, code F).
May 15, 2026: Option exercises of TNDM shares (3 lines, Form 4, code M).

Other insiders filing for TANDEM DIABETES CARE INC (TNDM)

TWOMEY CHRISTOPHER J, Director
Kyrillos Jean-Claude, EVP & Chief Operating Officer
Vosseller Leigh, EVP & CHIEF FINANCIAL OFFICER
Sheridan John F, PRESIDENT & CEO
Morrison Susan, EVP & Chief Admin. Officer
Gasser Elizabeth Anne, EVP, Chief Strategy Officer

How to read Form 4 transaction codes