Insider Transactions in Q3 2025 at Tandem Diabetes Care Inc (TNDM)
Insider Transaction List (Q3 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
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%
|
-
|