Susan Morrison

CIK: 0001582970

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)23 (45.1%)

Derivative conversions

Awards (A)5 (9.8%)

Compensation grants

Other (G, F, J, C, D, …)23 (45.1%)

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 (51 total)

TNDM
TANDEM DIABETES CARE INC
Aug 15, 2026
Tax Payment(F)
Direct
314 shares at avg. $22.72$7K
TNDM
TANDEM DIABETES CARE INC
Aug 15, 2026
Exercise(M)
Direct
1.1K shares-
TNDM
TANDEM DIABETES CARE INC
Aug 15, 2026
Exercise(M)
Direct
1.7K shares-
TNDM
TANDEM DIABETES CARE INC
Aug 15, 2026
Tax Payment(F)
Direct
495 shares at avg. $22.72$11K
TNDM
TANDEM DIABETES CARE INC
May 29, 2026
Award(A)
Restricted Stock Unit
Direct
29.1K 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
Exercise(M)
Direct
1.1K shares-
TNDM
TANDEM DIABETES CARE INC
May 15, 2026
Tax Payment(F)
Direct
2K shares at avg. $12.82$25K
TNDM
TANDEM DIABETES CARE INC
May 15, 2026
Exercise(M)
Direct
1.5K shares-
TNDM
TANDEM DIABETES CARE INC
May 15, 2026
Exercise(M)
Direct
6.9K shares-
TNDM
TANDEM DIABETES CARE INC
May 15, 2026
Tax Payment(F)
Direct
314 shares at avg. $12.82$4K
TNDM
TANDEM DIABETES CARE INC
May 15, 2026
Tax Payment(F)
Direct
430 shares at avg. $12.82$6K
TNDM
TANDEM DIABETES CARE INC
Feb 17, 2026
Exercise(M)
Direct
1.1K shares-
TNDM
TANDEM DIABETES CARE INC
Feb 17, 2026
Tax Payment(F)
Direct
372 shares at avg. $18.95$7K
TNDM
TANDEM DIABETES CARE INC
Feb 17, 2026
Tax Payment(F)
Direct
510 shares at avg. $18.95$10K
TNDM
TANDEM DIABETES CARE INC
Feb 17, 2026
Exercise(M)
Direct
1.5K shares-
TNDM
TANDEM DIABETES CARE INC
Nov 17, 2025
Tax Payment(F)
Direct
430 shares at avg. $18.61$8K
TNDM
TANDEM DIABETES CARE INC
Nov 17, 2025
Exercise(M)
Direct
1.1K shares-
TNDM
TANDEM DIABETES CARE INC
Nov 17, 2025
Exercise(M)
Direct
1.5K shares-
TNDM
TANDEM DIABETES CARE INC
Nov 17, 2025
Tax Payment(F)
Direct
314 shares at avg. $18.61$6K
TNDM
TANDEM DIABETES CARE INC
Aug 15, 2025
Tax Payment(F)
Direct
430 shares at avg. $10.82$5K
TNDM
TANDEM DIABETES CARE INC
Aug 15, 2025
Exercise(M)
Direct
1.1K shares-
TNDM
TANDEM DIABETES CARE INC
Aug 15, 2025
Exercise(M)
Direct
1.5K shares-
TNDM
TANDEM DIABETES CARE INC
Aug 15, 2025
Tax Payment(F)
Direct
314 shares at avg. $10.82$3K
TNDM
TANDEM DIABETES CARE INC
May 30, 2025
Award(A)
Performance Stock Unit
Direct
20.8K shares-

		Type	Shares	Price		Ownership
Aug 15, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	314	$22.72	$7,134	Direct
Aug 15, 2026	TNDM TANDEM DIABETES CARE INC	Exercise(M)	1,097	-	$0	Direct
Aug 15, 2026	TNDM TANDEM DIABETES CARE INC	Exercise(M)	1,730	-	$0	Direct
Aug 15, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	495	$22.72	$11,246	Direct
May 29, 2026	TNDM TANDEM DIABETES CARE INC	Award(A) Restricted Stock Unit	29,136	-	-	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	Exercise(M)	1,097	-	$0	Direct
May 15, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	1,980	$12.82	$25,384	Direct
May 15, 2026	TNDM TANDEM DIABETES CARE INC	Exercise(M)	1,503	-	$0	Direct
May 15, 2026	TNDM TANDEM DIABETES CARE INC	Exercise(M)	6,923	-	$0	Direct
May 15, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	314	$12.82	$4,025	Direct
May 15, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	430	$12.82	$5,513	Direct
Feb 17, 2026	TNDM TANDEM DIABETES CARE INC	Exercise(M)	1,097	-	$0	Direct
Feb 17, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	372	$18.95	$7,049	Direct
Feb 17, 2026	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	510	$18.95	$9,665	Direct
Feb 17, 2026	TNDM TANDEM DIABETES CARE INC	Exercise(M)	1,503	-	$0	Direct
Nov 17, 2025	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	430	$18.61	$8,002	Direct
Nov 17, 2025	TNDM TANDEM DIABETES CARE INC	Exercise(M)	1,096	-	-	Direct
Nov 17, 2025	TNDM TANDEM DIABETES CARE INC	Exercise(M)	1,503	-	-	Direct
Nov 17, 2025	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	314	$18.61	$5,844	Direct
Aug 15, 2025	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	430	$10.82	$4,653	Direct
Aug 15, 2025	TNDM TANDEM DIABETES CARE INC	Exercise(M)	1,097	-	-	Direct
Aug 15, 2025	TNDM TANDEM DIABETES CARE INC	Exercise(M)	1,503	-	-	Direct
Aug 15, 2025	TNDM TANDEM DIABETES CARE INC	Tax Payment(F)	314	$10.82	$3,397	Direct
May 30, 2025	TNDM TANDEM DIABETES CARE INC	Award(A) Performance Stock Unit	20,768	-	-	Direct

1-25 of 51 transactions

About Morrison Susan

Morrison Susan (SEC CIK 0001582970) files insider reports with the SEC as EVP & Chief Admin. Officer of TANDEM DIABETES CARE INC (TNDM).

Signal8 holds 11 ownership filings by Morrison Susan, all Form 4s, filed between Nov 19, 2024 and Aug 18, 2026. Those filings report 51 transactions, from Nov 15, 2024 to Aug 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Morrison Susan's filings is in SAN DIEGO, CA.

Recent filings by Morrison Susan

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

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
Gasser Elizabeth Anne, EVP, Chief Strategy Officer
Carpenter Rick, EVP & Chief Technology Officer

How to read Form 4 transaction codes