Twomey Christopher J
Director
Exercise
Calculated transaction value
$32.3K
1,700 shares @ $19
Traded
Oct 27, 2026
Filed
Oct 29, 2026
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Tandem Diabetes Care
TNDM
ManufacturingInstruments
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
66 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Twomey Christopher J Director | Oct 29, 2026 2-day lag | Exercise Oct 27, 2026 | $32.3K Filed shares x price | SEC Form 4 View filing | |
| Twomey Christopher J Director | Oct 29, 2026 2-day lag | Exercise Oct 27, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Twomey Christopher J Director | Oct 29, 2026 2-day lag | Sale Oct 27, 2026 | $32.55K Filed shares x price | SEC Form 4 View filing | |
| Kyrillos Jean-claude EVP & Chief Operating Officer | Oct 19, 2026 4-day lag | Exercise Oct 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Kyrillos Jean-claude EVP & Chief Operating Officer | Oct 19, 2026 4-day lag | Disposition Oct 15, 2026 | $31.82K Filed shares x price | SEC Form 4 View filing | |
| Kyrillos Jean-claude EVP & Chief Operating Officer | Oct 19, 2026 4-day lag | Exercise Oct 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Hon. Gilbert Cisneros U.S. House member | Oct 12, 2026 13-day lag | Buy Sep 29, 2026 | $1K - $15K Reported range | House PTR View filing | |
| Donald J Trump Executive branch official | Sep 22, 2026 55-day lag | Sale Jul 29, 2026 | $15K - $50K Reported range | OGE 278-T View filing | |
| Donald J Trump Executive branch official | Sep 22, 2026 67-day lag | Buy Jul 17, 2026 | $15K - $50K Reported range | OGE 278-T View filing | |
| Carpenter Rick EVP & Chief Technology Officer | Aug 18, 2026 3-day lag | Disposition Aug 15, 2026 | $10.38K Filed shares x price | SEC Form 4 View filing | |
| Hansen Shannon Marie EVP & Chief Legal Officer | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Hansen Shannon Marie EVP & Chief Legal Officer | Aug 18, 2026 3-day lag | Disposition Aug 15, 2026 | $22.17K Filed shares x price | SEC Form 4 View filing | |
| Carpenter Rick EVP & Chief Technology Officer | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Carpenter Rick EVP & Chief Technology Officer | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Hansen Shannon Marie EVP & Chief Legal Officer | Aug 18, 2026 3-day lag | Disposition Aug 15, 2026 | $12.7K Filed shares x price | SEC Form 4 View filing | |
| Hansen Shannon Marie EVP & Chief Legal Officer | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Carpenter Rick EVP & Chief Technology Officer | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Hansen Shannon Marie EVP & Chief Legal Officer | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Carpenter Rick EVP & Chief Technology Officer | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Carpenter Rick EVP & Chief Technology Officer | Aug 18, 2026 3-day lag | Disposition Aug 15, 2026 | $18.63K Filed shares x price | SEC Form 4 View filing | |
| Hansen Shannon Marie EVP & Chief Legal Officer | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Vosseller Leigh EVP & Chief Financial Officer | Aug 18, 2026 3-day lag | Disposition Aug 15, 2026 | $12.2K Filed shares x price | SEC Form 4 View filing | |
| Vosseller Leigh EVP & Chief Financial Officer | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Vosseller Leigh EVP & Chief Financial Officer | Aug 18, 2026 3-day lag | Disposition Aug 15, 2026 | $21.4K Filed shares x price | SEC Form 4 View filing | |
| Vosseller Leigh EVP & Chief Financial Officer | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Vosseller Leigh EVP & Chief Financial Officer | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Vosseller Leigh EVP & Chief Financial Officer | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Sheridan John F President & CEO | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Sheridan John F President & CEO | Aug 18, 2026 3-day lag | Disposition Aug 15, 2026 | $114.85K Filed shares x price | SEC Form 4 View filing | |
| Sheridan John F President & CEO | Aug 18, 2026 3-day lag | Exercise Aug 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing |
Twomey Christopher J
Director
Exercise
Calculated transaction value
$0
1,700 shares @ $0
Traded
Oct 27, 2026
Filed
Oct 29, 2026
Twomey Christopher J
Director
Sale
Calculated transaction value
$32.55K
1,700 shares @ $19.15
Traded
Oct 27, 2026
Filed
Oct 29, 2026
Kyrillos Jean-claude
EVP & Chief Operating Officer
Exercise
Calculated transaction value
$0
3,637 shares @ $0
Traded
Oct 15, 2026
Filed
Oct 19, 2026
Kyrillos Jean-claude
EVP & Chief Operating Officer
Disposition
Calculated transaction value
$31.82K
1,926 shares @ $16.52
Traded
Oct 15, 2026
Filed
Oct 19, 2026
Kyrillos Jean-claude
EVP & Chief Operating Officer
Exercise
Calculated transaction value
$0
3,637 shares @ $0
Traded
Oct 15, 2026
Filed
Oct 19, 2026
Hon. Gilbert Cisneros
U.S. House member
Buy
Reported value range
$1K - $15K
Not reported
Traded
Sep 29, 2026
Filed
Oct 12, 2026
Donald J Trump
Executive branch official
Sale
Reported value range
$15K - $50K
Not reported
Traded
Jul 29, 2026
Filed
Sep 22, 2026
Donald J Trump
Executive branch official
Buy
Reported value range
$15K - $50K
Not reported
Traded
Jul 17, 2026
Filed
Sep 22, 2026
Carpenter Rick
EVP & Chief Technology Officer
Disposition
Calculated transaction value
$10.38K
457 shares @ $22.72
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Hansen Shannon Marie
EVP & Chief Legal Officer
Exercise
Calculated transaction value
$0
1,097 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Hansen Shannon Marie
EVP & Chief Legal Officer
Disposition
Calculated transaction value
$22.17K
976 shares @ $22.72
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Carpenter Rick
EVP & Chief Technology Officer
Exercise
Calculated transaction value
$0
1,610 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Carpenter Rick
EVP & Chief Technology Officer
Exercise
Calculated transaction value
$0
897 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Hansen Shannon Marie
EVP & Chief Legal Officer
Disposition
Calculated transaction value
$12.7K
559 shares @ $22.72
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Hansen Shannon Marie
EVP & Chief Legal Officer
Exercise
Calculated transaction value
$0
1,097 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Carpenter Rick
EVP & Chief Technology Officer
Exercise
Calculated transaction value
$0
1,610 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Hansen Shannon Marie
EVP & Chief Legal Officer
Exercise
Calculated transaction value
$0
1,917 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Carpenter Rick
EVP & Chief Technology Officer
Exercise
Calculated transaction value
$0
897 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Carpenter Rick
EVP & Chief Technology Officer
Disposition
Calculated transaction value
$18.63K
820 shares @ $22.72
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Hansen Shannon Marie
EVP & Chief Legal Officer
Exercise
Calculated transaction value
$0
1,917 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Vosseller Leigh
EVP & Chief Financial Officer
Disposition
Calculated transaction value
$12.2K
537 shares @ $22.72
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Vosseller Leigh
EVP & Chief Financial Officer
Exercise
Calculated transaction value
$0
2,624 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Vosseller Leigh
EVP & Chief Financial Officer
Disposition
Calculated transaction value
$21.4K
942 shares @ $22.72
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Vosseller Leigh
EVP & Chief Financial Officer
Exercise
Calculated transaction value
$0
1,496 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Vosseller Leigh
EVP & Chief Financial Officer
Exercise
Calculated transaction value
$0
1,496 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Vosseller Leigh
EVP & Chief Financial Officer
Exercise
Calculated transaction value
$0
2,624 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Sheridan John F
President & CEO
Exercise
Calculated transaction value
$0
9,934 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Sheridan John F
President & CEO
Disposition
Calculated transaction value
$114.85K
5,055 shares @ $22.72
Traded
Aug 15, 2026
Filed
Aug 18, 2026
Sheridan John F
President & CEO
Exercise
Calculated transaction value
$0
5,982 shares @ $0
Traded
Aug 15, 2026
Filed
Aug 18, 2026