TANDEM DIABETES CARE INC (TNDM) - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for TANDEM DIABETES CARE INC
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2025-08-11
Purchase
2025-08-11
6:15 pm
TANDEM DIABETES CARE INCTNDMSheridan John F
PRESIDENT & CEO
10,000$10.23$102,318106,327
(Direct)
View
2025-08-08
Purchase
2025-08-11
5:18 pm
TANDEM DIABETES CARE INCTNDMVosseller Leigh
EVP & CHIEF FINANCIAL OFFICER
13,720$10.89$149,40459,378
(Indirect
Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2025-12-15
Tax Withholding
2025-12-17
4:02 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMNovara Mark David
EVP & CHIEF COMMERCIAL OFFICER
3,843$22.1165,614
(Direct)
View
2025-12-15
Exercise
2025-12-17
4:02 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMNovara Mark David
EVP & CHIEF COMMERCIAL OFFICER
7,415$065,614
(Direct)
View
2025-12-15
Tax Withholding
2025-12-17
4:01 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMCarpenter Rick
Chief Technology Officer
207$22.1124,252
(Direct)
View
2025-12-15
Exercise
2025-12-17
4:01 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMCarpenter Rick
Chief Technology Officer
406$024,252
(Direct)
View
2025-12-04
Other
2025-12-08
4:02 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMGasser Elizabeth Anne
EVP, Chief Strategy Officer
3,000$031,949
(Direct)
View
2025-11-07
Option Award
2025-11-25
4:10 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMBeaver Sandra
Director
20,242$020,242
(Direct)
View

Ownership
2025-11-25
4:09 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMBeaver Sandra
Director
0$00
(Direct)
View
2025-11-17
Exercise
2025-11-19
4:07 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMMorrison Susan
EVP & Chief Admin. Officer
2,599$050,504
(Direct)
View
2025-11-17
Tax Withholding
2025-11-19
4:07 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMMorrison Susan
EVP & Chief Admin. Officer
744$18.6150,504
(Direct)
View
2025-11-17
Exercise
2025-11-19
4:07 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMSheridan John F
PRESIDENT & CEO
11,454$0164,437
(Direct)
View
2025-11-17
Tax Withholding
2025-11-19
4:07 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMSheridan John F
PRESIDENT & CEO
5,817$18.61164,437
(Direct)
View
2025-11-17
Exercise
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMGasser Elizabeth Anne
EVP, Chief Strategy Officer
2,599$035,536
(Direct)
View
2025-11-17
Option Award
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMGasser Elizabeth Anne
EVP, Chief Strategy Officer
586$15.5935,536
(Direct)
View
2025-11-17
Tax Withholding
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMGasser Elizabeth Anne
EVP, Chief Strategy Officer
1,392$18.6135,536
(Direct)
View
2025-11-17
Exercise
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMCarpenter Rick
Chief Technology Officer
2,334$032,311
(Direct)
View
2025-11-17
Option Award
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMCarpenter Rick
Chief Technology Officer
339$15.5932,311
(Direct)
View
2025-11-17
Tax Withholding
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMCarpenter Rick
Chief Technology Officer
1,186$18.6132,311
(Direct)
View
2025-11-17
Exercise
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMNovara Mark David
EVP & CHIEF COMMERCIAL OFFICER
76$032,841
(Direct)
View
2025-11-17
Tax Withholding
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMNovara Mark David
EVP & CHIEF COMMERCIAL OFFICER
40$18.6132,841
(Direct)
View
2025-11-17
Option Award
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMKyrillos Jean-Claude
EVP & Chief Operating Officer
160$15.5922,544
(Direct)
View
2025-11-17
Exercise
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMVosseller Leigh
EVP & CHIEF FINANCIAL OFFICER
2,999$075,207
(Direct)
View
2025-11-17
Tax Withholding
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMVosseller Leigh
EVP & CHIEF FINANCIAL OFFICER
1,074$18.6175,207
(Direct)
View
2025-11-17
Exercise
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMHansen Shannon Marie
EVP & Chief Legal Officer
3,063$033,395
(Direct)
View
2025-11-17
Option Award
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMHansen Shannon Marie
EVP & Chief Legal Officer
800$15.5933,395
(Direct)
View
2025-11-17
Tax Withholding
2025-11-19
4:06 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMHansen Shannon Marie
EVP & Chief Legal Officer
1,098$18.6133,395
(Direct)
View
2025-10-15
Exercise
2025-10-17
4:21 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMKyrillos Jean-Claude
EVP & Chief Operating Officer
3,636$047,837
(Direct)
View
2025-10-15
Tax Withholding
2025-10-17
4:21 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMKyrillos Jean-Claude
EVP & Chief Operating Officer
1,301$14.7547,837
(Direct)
View
2025-09-15
Exercise
2025-09-16
4:47 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMCarpenter Rick
Chief Technology Officer
406$022,972
(Direct)
View
2025-09-15
Tax Withholding
2025-09-16
4:47 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMCarpenter Rick
Chief Technology Officer
207$12.0922,972
(Direct)
View
2025-09-15
Exercise
2025-09-16
4:47 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMNovara Mark David
EVP & CHIEF COMMERCIAL OFFICER
7,415$069,421
(Direct)
View
2025-09-15
Tax Withholding
2025-09-16
4:47 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMNovara Mark David
EVP & CHIEF COMMERCIAL OFFICER
3,866$12.0969,421
(Direct)
View
2025-08-15
Exercise
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMNovara Mark David
EVP & CHIEF COMMERCIAL OFFICER
76$029,332
(Direct)
View
2025-08-15
Tax Withholding
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMNovara Mark David
EVP & CHIEF COMMERCIAL OFFICER
40$10.8229,332
(Direct)
View
2025-08-15
Exercise
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMMorrison Susan
EVP & Chief Admin. Officer
2,600$051,248
(Direct)
View
2025-08-15
Tax Withholding
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMMorrison Susan
EVP & Chief Admin. Officer
744$10.8251,248
(Direct)
View
2025-08-15
Exercise
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMSheridan John F
PRESIDENT & CEO
11,453$0170,254
(Direct)
View
2025-08-15
Tax Withholding
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMSheridan John F
PRESIDENT & CEO
5,817$10.82170,254
(Direct)
View
2025-08-15
Exercise
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMCarpenter Rick
Chief Technology Officer
2,335$032,959
(Direct)
View
2025-08-15
Tax Withholding
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMCarpenter Rick
Chief Technology Officer
1,187$10.8232,959
(Direct)
View
2025-08-15
Exercise
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMVosseller Leigh
EVP & CHIEF FINANCIAL OFFICER
2,998$076,281
(Direct)
View
2025-08-15
Tax Withholding
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMVosseller Leigh
EVP & CHIEF FINANCIAL OFFICER
1,073$10.8276,281
(Direct)
View
2025-08-15
Exercise
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMHansen Shannon Marie
EVP & Chief Legal Officer
3,065$033,693
(Direct)
View
2025-08-15
Tax Withholding
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMHansen Shannon Marie
EVP & Chief Legal Officer
1,098$10.8233,693
(Direct)
View
2025-08-15
Exercise
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMGasser Elizabeth Anne
EVP, Chief Strategy Officer
2,600$036,342
(Direct)
View
2025-08-15
Tax Withholding
2025-08-19
6:14 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMGasser Elizabeth Anne
EVP, Chief Strategy Officer
1,393$10.8236,342
(Direct)
View
2025-07-15
Exercise
2025-07-17
4:11 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMKyrillos Jean-Claude
EVP & Chief Operating Officer
14,545$049,138
(Direct)
View
2025-07-15
Tax Withholding
2025-07-17
4:11 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMKyrillos Jean-Claude
EVP & Chief Operating Officer
5,205$15.249,138
(Direct)
View
2025-06-16
Exercise
2025-06-18
4:08 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMCarpenter Rick
Chief Technology Officer
406$022,031
(Direct)
View
2025-06-16
Tax Withholding
2025-06-18
4:08 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMCarpenter Rick
Chief Technology Officer
207$20.7622,031
(Direct)
View
2025-06-16
Exercise
2025-06-18
4:08 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMNovara Mark David
EVP & CHIEF COMMERCIAL OFFICER
7,414$073,251
(Direct)
View
2025-06-16
Tax Withholding
2025-06-18
4:08 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMNovara Mark David
EVP & CHIEF COMMERCIAL OFFICER
3,846$20.7673,251
(Direct)
View
2025-06-16
Exercise
2025-06-18
4:08 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMCha Myoungil
Director
1,749$013,699
(Direct)
View
2025-06-16
Exercise
2025-06-18
4:07 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMMalagueira Joao Paulo Falcao
Director
1,749$013,699
(Direct)
View
2025-05-30
Option Award
2025-06-05
5:30 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMVosseller Leigh
EVP & CHIEF FINANCIAL OFFICER
62,974$0108,632
(Direct)
View
2025-05-30
Option Award
2025-06-05
5:26 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMNovara Mark David
EVP & CHIEF COMMERCIAL OFFICER
62,974$088,169
(Direct)
View
2025-05-30
Option Award
2025-06-05
5:25 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMKyrillos Jean-Claude
EVP & Chief Operating Officer
24,229$034,938
(Direct)
View
2025-05-30
Option Award
2025-06-05
5:25 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMMorrison Susan
EVP & Chief Admin. Officer
41,536$078,742
(Direct)
View
2025-05-30
Option Award
2025-06-05
5:24 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMHansen Shannon Marie
EVP & Chief Legal Officer
46,002$064,679
(Direct)
View
2025-05-30
Option Award
2025-06-05
5:24 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMSheridan John F
PRESIDENT & CEO
238,410$0334,737
(Direct)
View
2025-05-30
Option Award
2025-06-05
5:22 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMGasser Elizabeth Anne
EVP, Chief Strategy Officer
46,002$068,951
(Direct)
View
2025-05-30
Option Award
2025-06-05
5:20 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMCarpenter Rick
Chief Technology Officer
38,633$059,653
(Direct)
View
2025-06-02
Gift
2025-06-04
4:25 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMAllen Dick
Director
1,000$19.8842,144
(Indirect)
View
2025-05-29
Other
2025-06-02
4:03 pm
N/A
N/A
TANDEM DIABETES CARE INCTNDMGasser Elizabeth Anne
EVP, Chief Strategy Officer
11,200$045,349
(Direct)
View
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