Latest Insider Transactions at Tandem Diabetes Care Inc (TNDM)
This section provides a real-time view of insider transactions for Tandem Diabetes Care Inc (TNDM). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of TANDEM DIABETES CARE INC to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of TANDEM DIABETES CARE INC's insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Oct 15
2025
|
Jean Claude Kyrillos EVP & Chief Operating Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,301
-5.49%
|
$18,214
$14.75 P/Share
|
|
Oct 15
2025
|
Jean Claude Kyrillos EVP & Chief Operating Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
3,636
+13.31%
|
-
|
|
Sep 15
2025
|
Mark David Novara EVP & CHIEF COMMERCIAL OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
3,866
-10.68%
|
$46,392
$12.09 P/Share
|
|
Sep 15
2025
|
Mark David Novara EVP & CHIEF COMMERCIAL OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
7,415
+17.0%
|
-
|
|
Sep 15
2025
|
Rick Carpenter Chief Technology Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
207
-0.91%
|
$2,484
$12.09 P/Share
|
|
Sep 15
2025
|
Rick Carpenter Chief Technology Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
406
+1.75%
|
-
|
|
Aug 15
2025
|
Susan Morrison EVP & Chief Admin. Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
744
-0.95%
|
$7,440
$10.82 P/Share
|
|
Aug 15
2025
|
Susan Morrison EVP & Chief Admin. Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
2,600
+3.22%
|
-
|
|
Aug 15
2025
|
Mark David Novara EVP & CHIEF COMMERCIAL OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
40
-0.14%
|
$400
$10.82 P/Share
|
|
Aug 15
2025
|
Mark David Novara EVP & CHIEF COMMERCIAL OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
76
+0.26%
|
-
|
|
Aug 15
2025
|
Elizabeth Anne Gasser EVP, Chief Strategy Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,393
-43.16%
|
$13,930
$10.82 P/Share
|
|
Aug 15
2025
|
Elizabeth Anne Gasser EVP, Chief Strategy Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
2,600
+43.97%
|
-
|
|
Aug 15
2025
|
Shannon Marie Hansen EVP & Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,098
-1.98%
|
$10,980
$10.82 P/Share
|
|
Aug 15
2025
|
Shannon Marie Hansen EVP & Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
3,065
+5.2%
|
-
|
|
Aug 15
2025
|
Leigh Vosseller EVP & CHIEF FINANCIAL OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,073
-1.5%
|
$10,730
$10.82 P/Share
|
|
Aug 15
2025
|
Leigh Vosseller EVP & CHIEF FINANCIAL OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
2,998
+4.02%
|
-
|
|
Aug 15
2025
|
Rick Carpenter Chief Technology Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,187
-2.61%
|
$11,870
$10.82 P/Share
|
|
Aug 15
2025
|
Rick Carpenter Chief Technology Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
2,335
+4.87%
|
-
|
|
Aug 15
2025
|
John F Sheridan PRESIDENT & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
5,817
-2.56%
|
$58,170
$10.82 P/Share
|
|
Aug 15
2025
|
John F Sheridan PRESIDENT & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
11,453
+4.8%
|
-
|
|
Aug 11
2025
|
John F Sheridan PRESIDENT & CEO |
BUY
Open market or private purchase
|
Direct |
10,000
+8.6%
|
$100,000
$10.23 P/Share
|
|
Aug 08
2025
|
Leigh Vosseller EVP & CHIEF FINANCIAL OFFICER |
BUY
Open market or private purchase
|
Indirect |
13,720
+34.91%
|
$137,200
$10.89 P/Share
|
|
Jul 15
2025
|
Jean Claude Kyrillos EVP & Chief Operating Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
5,205
-20.61%
|
$78,075
$15.2 P/Share
|
|
Jul 15
2025
|
Jean Claude Kyrillos EVP & Chief Operating Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
14,545
+36.55%
|
-
|
|
Jun 16
2025
|
Joao Paulo Falcao Malagueira Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,749
+11.32%
|
-
|
|
Jun 16
2025
|
Myoungil Cha Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,749
+11.32%
|
-
|
|
Jun 16
2025
|
Mark David Novara EVP & CHIEF COMMERCIAL OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
3,846
-11.79%
|
$76,920
$20.76 P/Share
|
|
Jun 16
2025
|
Mark David Novara EVP & CHIEF COMMERCIAL OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
7,414
+18.52%
|
-
|
|
Jun 16
2025
|
Rick Carpenter Chief Technology Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
207
-0.97%
|
$4,140
$20.76 P/Share
|
|
Jun 16
2025
|
Rick Carpenter Chief Technology Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
406
+1.86%
|
-
|
|
Jun 02
2025
|
Dick Allen Director |
SELL
Bona fide gift
|
Indirect |
1,000
-100.0%
|
$19,000
$19.88 P/Share
|
|
May 29
2025
|
Elizabeth Anne Gasser EVP, Chief Strategy Officer |
BUY
Other acquisition or disposition
|
Indirect |
11,200
+32.8%
|
-
|
|
May 29
2025
|
Elizabeth Anne Gasser EVP, Chief Strategy Officer |
SELL
Other acquisition or disposition
|
Direct |
11,200
-100.0%
|
-
|
|
May 22
2025
|
Dick Allen Director |
BUY
Exercise of conversion of derivative security
|
Direct |
4,387
+18.45%
|
$87,740
$20.64 P/Share
|
|
May 22
2025
|
Joao Paulo Falcao Malagueira Director |
BUY
Exercise of conversion of derivative security
|
Direct |
4,387
+26.85%
|
$87,740
$20.64 P/Share
|
|
May 22
2025
|
Christopher J Twomey Director |
BUY
Exercise of conversion of derivative security
|
Direct |
4,387
+21.87%
|
$87,740
$20.64 P/Share
|
|
May 22
2025
|
Peyton R Howell Director |
BUY
Exercise of conversion of derivative security
|
Direct |
4,387
+17.23%
|
$87,740
$20.64 P/Share
|
|
May 22
2025
|
Rebecca B Robertson Director |
BUY
Exercise of conversion of derivative security
|
Direct |
4,387
+24.14%
|
$87,740
$20.64 P/Share
|
|
May 22
2025
|
Myoungil Cha Director |
BUY
Exercise of conversion of derivative security
|
Direct |
4,387
+26.85%
|
$87,740
$20.64 P/Share
|
|
May 22
2025
|
Kathleen Mc Groddy Goetz Director |
BUY
Exercise of conversion of derivative security
|
Direct |
4,387
+19.73%
|
$87,740
$20.64 P/Share
|
|
May 22
2025
|
Rajwant Sodhi Director |
BUY
Exercise of conversion of derivative security
|
Direct |
4,387
+22.04%
|
$87,740
$20.64 P/Share
|
|
May 15
2025
|
Leigh Vosseller EVP & CHIEF FINANCIAL OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
2,907
-2.13%
|
$63,954
$22.7 P/Share
|
|
May 15
2025
|
Leigh Vosseller EVP & CHIEF FINANCIAL OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
8,121
+5.28%
|
-
|
|
May 15
2025
|
Leigh Vosseller EVP & CHIEF FINANCIAL OFFICER |
BUY
Grant, award, or other acquisition
|
Direct |
1,359
+4.54%
|
$20,385
$15.64 P/Share
|
|
May 15
2025
|
Jean Claude Kyrillos EVP & Chief Operating Officer |
BUY
Grant, award, or other acquisition
|
Direct |
171
+1.57%
|
$3,249
$19.3 P/Share
|
|
May 15
2025
|
John F Sheridan PRESIDENT & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
16,470
-4.06%
|
$362,340
$22.7 P/Share
|
|
May 15
2025
|
John F Sheridan PRESIDENT & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
32,429
+6.89%
|
$162,145
$5.68 P/Share
|
|
May 15
2025
|
John F Sheridan PRESIDENT & CEO |
BUY
Grant, award, or other acquisition
|
Direct |
1,359
+1.66%
|
$20,385
$15.64 P/Share
|
|
May 15
2025
|
Rick Carpenter Chief Technology Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
2,014
-3.21%
|
$44,308
$22.7 P/Share
|
|
May 15
2025
|
Rick Carpenter Chief Technology Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
5,622
+8.01%
|
-
|