Insider Trading for TNDM
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired751.8K
Past 100 transactions
Shares Disposed118.9K
Past 100 transactions
Net Position632.9K
Overall insider sentiment: bullish
Recent Activity (30 Days)
Acquisitions: 48.8K shares
Dispositions: 36.5K shares
Net: 12.4K shares
Insiders have been net buyers recently, potentially signaling confidence in the company's short-term prospects.
Quarterly Activity (3 Months)
Acquisitions: 681.8K shares
Dispositions: 118.9K shares
Net: 562.9K shares
Insiders have been net buyers over the quarter, suggesting potential confidence in medium-term business fundamentals.
Key Insider Activity: May 21, 2025 to Aug 15, 2025
Vosseller Leigh
ExecutiveVice President
+75.6K shares
9 transactions
Cha Myoungil
DirectorDirector
+8.8K shares
5 transactions
Malagueira Joao Paulo Falcao
DirectorDirector
+8.8K shares
5 transactions
Sodhi Rajwant
DirectorDirector
+8.8K shares
3 transactions
McGroddy-Goetz Kathleen
DirectorDirector
+8.8K shares
3 transactions
Transaction Details
Show Less| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Aug 15, 2025 | Novara Mark David | EVice President | Exercise | 76 | $0.00 | $0.00 | 28.8K | View |
| Aug 15, 2025 | Novara Mark David | EVice President | Payment In Kind | 40 | $10.82 | $432.80 | 28.8K | View |
| Aug 15, 2025 | Novara Mark David | EVice President | Exercise | 76 | $0.00 | $0.00 | 533 | View |
| Aug 15, 2025 | Morrison Susan | EVice President | Exercise | 1.1K | $0.00 | $0.00 | 39.4K | View |
| Aug 15, 2025 | Morrison Susan | EVice President | Payment In Kind | 314 | $10.82 | $3,397.48 | 39.1K | View |
| Aug 15, 2025 | Morrison Susan | EVice President | Exercise | 1.5K | $0.00 | $0.00 | 38.7K | View |
| Aug 15, 2025 | Morrison Susan | EVice President | Payment In Kind | 430 | $10.82 | $4,652.60 | 38.3K | View |
| Aug 15, 2025 | Morrison Susan | EVice President | Exercise | 1.1K | $0.00 | $0.00 | 7.7K | View |
| Aug 15, 2025 | Morrison Susan | EVice President | Exercise | 1.5K | $0.00 | $0.00 | 4.5K | View |
| Aug 15, 2025 | Sheridan John F | EChief Executive Officer | Exercise | 6.0K | $0.00 | $0.00 | 115.0K | View |
| Aug 15, 2025 | Sheridan John F | EChief Executive Officer | Payment In Kind | 3.0K | $10.82 | $32,871.16 | 112.0K | View |
| Aug 15, 2025 | Sheridan John F | EChief Executive Officer | Exercise | 5.5K | $0.00 | $0.00 | 111.8K | View |
| Aug 15, 2025 | Sheridan John F | EChief Executive Officer | Payment In Kind | 2.8K | $10.82 | $30,068.78 | 109.0K | View |
| Aug 15, 2025 | Sheridan John F | EChief Executive Officer | Exercise | 6.0K | $0.00 | $0.00 | 41.9K | View |
| Aug 15, 2025 | Sheridan John F | EChief Executive Officer | Exercise | 5.5K | $0.00 | $0.00 | 16.4K | View |
| Aug 15, 2025 | Carpenter Rick | ECorporate Officer | Exercise | 898 | $0.00 | $0.00 | 22.8K | View |
| Aug 15, 2025 | Carpenter Rick | ECorporate Officer | Exercise | 1.4K | $0.00 | $0.00 | 22.7K | View |
| Aug 15, 2025 | Carpenter Rick | ECorporate Officer | Payment In Kind | 457 | $10.82 | $4,944.74 | 22.4K | View |
| Aug 15, 2025 | Carpenter Rick | ECorporate Officer | Payment In Kind | 730 | $10.82 | $7,898.60 | 21.9K | View |
| Aug 15, 2025 | Carpenter Rick | ECorporate Officer | Exercise | 898 | $0.00 | $0.00 | 6.3K | View |
| Aug 15, 2025 | Carpenter Rick | ECorporate Officer | Exercise | 1.4K | $0.00 | $0.00 | 4.3K | View |
| Aug 15, 2025 | Vosseller Leigh | EVice President | Exercise | 1.5K | $0.00 | $0.00 | 36.3K | View |
| Aug 15, 2025 | Vosseller Leigh | EVice President | Payment In Kind | 535 | $10.82 | $5,788.70 | 35.7K | View |
| Aug 15, 2025 | Vosseller Leigh | EVice President | Exercise | 1.5K | $0.00 | $0.00 | 35.3K | View |
| Aug 15, 2025 | Vosseller Leigh | EVice President | Payment In Kind | 538 | $10.82 | $5,821.16 | 34.8K | View |
| Aug 15, 2025 | Vosseller Leigh | EVice President | Exercise | 1.5K | $0.00 | $0.00 | 10.5K | View |
| Aug 15, 2025 | Vosseller Leigh | EVice President | Exercise | 1.5K | $0.00 | $0.00 | 4.5K | View |
| Aug 15, 2025 | Hansen Shannon Marie | EVice President | Exercise | 1.1K | $0.00 | $0.00 | 19.1K | View |
| Aug 15, 2025 | Hansen Shannon Marie | EVice President | Payment In Kind | 393 | $10.82 | $4,252.26 | 18.7K | View |
| Aug 15, 2025 | Hansen Shannon Marie | EVice President | Exercise | 1.4K | $0.00 | $0.00 | 18.5K | View |
| Aug 15, 2025 | Hansen Shannon Marie | EVice President | Payment In Kind | 515 | $10.82 | $5,572.30 | 18.0K | View |
| Aug 15, 2025 | Hansen Shannon Marie | EVice President | Exercise | 531 | $0.00 | $0.00 | 17.3K | View |
| Aug 15, 2025 | Hansen Shannon Marie | EVice President | Payment In Kind | 190 | $10.82 | $2,055.80 | 17.1K | View |
| Aug 15, 2025 | Hansen Shannon Marie | EVice President | Exercise | 1.1K | $0.00 | $0.00 | 7.7K | View |
| Aug 15, 2025 | Hansen Shannon Marie | EVice President | Exercise | 1.4K | $0.00 | $0.00 | 4.3K | View |
| Aug 15, 2025 | Hansen Shannon Marie | EVice President | Exercise | 531 | $0.00 | $0.00 | 1.1K | View |
| Aug 15, 2025 | Gasser Elizabeth Anne | EVice President | Exercise | 1.1K | $0.00 | $0.00 | 7.7K | View |
| Aug 15, 2025 | Gasser Elizabeth Anne | EVice President | Exercise | 1.5K | $0.00 | $0.00 | 4.5K | View |
| Aug 15, 2025 | Gasser Elizabeth Anne | EVice President | Exercise | 1.1K | $0.00 | $0.00 | 1.8K | View |
| Aug 15, 2025 | Gasser Elizabeth Anne | EVice President | Exercise | 1.5K | $0.00 | $0.00 | 1.5K | View |
| Aug 15, 2025 | Gasser Elizabeth Anne | EVice President | Payment In Kind | 588 | $10.82 | $6,362.16 | 1.2K | View |
| Aug 15, 2025 | Gasser Elizabeth Anne | EVice President | Payment In Kind | 805 | $10.82 | $8,710.10 | 698 | View |
| Aug 11, 2025 | Sheridan John F | EChief Executive Officer | Purchase | 10.0K | $10.23 | $102,318.00 | 106.3K | View |
| Aug 8, 2025 | Vosseller Leigh | EVice President | Purchase | 13.7K | $10.89 | $149,403.94 | 25.6K | View |
| Jul 15, 2025 | Kyrillos Jean-Claude | EVice President | Exercise | 14.5K | $0.00 | $0.00 | 29.1K | View |
| Jul 15, 2025 | Kyrillos Jean-Claude | EVice President | Exercise | 14.5K | $0.00 | $0.00 | 25.3K | View |
| Jul 15, 2025 | Kyrillos Jean-Claude | EVice President | Payment In Kind | 5.2K | $15.20 | $79,116.00 | 20.0K | View |
| Jun 16, 2025 | Carpenter Rick | ECorporate Officer | Exercise | 406 | $0.00 | $0.00 | 21.4K | View |
| Jun 16, 2025 | Carpenter Rick | ECorporate Officer | Payment In Kind | 207 | $20.76 | $4,297.32 | 21.2K | View |
| Jun 16, 2025 | Carpenter Rick | ECorporate Officer | Exercise | 406 | $0.00 | $0.00 | 812 | View |
| Jun 16, 2025 | Novara Mark David | EVice President | Exercise | 7.4K | $0.00 | $0.00 | 44.5K | View |
| Jun 16, 2025 | Novara Mark David | EVice President | Exercise | 7.4K | $0.00 | $0.00 | 32.6K | View |
| Jun 16, 2025 | Novara Mark David | EVice President | Payment In Kind | 3.8K | $20.76 | $79,842.96 | 28.8K | View |
| Jun 16, 2025 | Cha Myoungil | DDirector | Exercise | 1.7K | $0.00 | $0.00 | 13.7K | View |
| Jun 16, 2025 | Cha Myoungil | DDirector | Exercise | 1.7K | $0.00 | $0.00 | 0 | View |
| Jun 16, 2025 | Malagueira Joao Paulo Falcao | DDirector | Exercise | 1.7K | $0.00 | $0.00 | 13.7K | View |
| Jun 16, 2025 | Malagueira Joao Paulo Falcao | DDirector | Exercise | 1.7K | $0.00 | $0.00 | 0 | View |
| Jun 2, 2025 | Allen Dick | DDirector | Gift | 1.0K | $19.88 | $19,880.00 | 0 | View |
| May 30, 2025 | Vosseller Leigh | EVice President | Award/Grant | 31.5K | $0.00 | $0.00 | 31.5K | View |
| May 30, 2025 | Vosseller Leigh | EVice President | Award/Grant | 31.5K | $0.00 | $0.00 | 31.5K | View |
| May 30, 2025 | Novara Mark David | EVice President | Award/Grant | 31.5K | $0.00 | $0.00 | 31.5K | View |
| May 30, 2025 | Novara Mark David | EVice President | Award/Grant | 31.5K | $0.00 | $0.00 | 31.5K | View |
| May 30, 2025 | Kyrillos Jean-Claude | EVice President | Award/Grant | 12.1K | $0.00 | $0.00 | 12.1K | View |
| May 30, 2025 | Kyrillos Jean-Claude | EVice President | Award/Grant | 12.1K | $0.00 | $0.00 | 12.1K | View |
| May 30, 2025 | Morrison Susan | EVice President | Award/Grant | 20.8K | $0.00 | $0.00 | 20.8K | View |
| May 30, 2025 | Morrison Susan | EVice President | Award/Grant | 20.8K | $0.00 | $0.00 | 20.8K | View |
| May 30, 2025 | Hansen Shannon Marie | EVice President | Award/Grant | 23.0K | $0.00 | $0.00 | 23.0K | View |
| May 30, 2025 | Hansen Shannon Marie | EVice President | Award/Grant | 23.0K | $0.00 | $0.00 | 23.0K | View |
| May 30, 2025 | Sheridan John F | EChief Executive Officer | Award/Grant | 119.2K | $0.00 | $0.00 | 119.2K | View |
| May 30, 2025 | Sheridan John F | EChief Executive Officer | Award/Grant | 119.2K | $0.00 | $0.00 | 119.2K | View |
| May 30, 2025 | Gasser Elizabeth Anne | EVice President | Award/Grant | 23.0K | $0.00 | $0.00 | 23.0K | View |
| May 30, 2025 | Gasser Elizabeth Anne | EVice President | Award/Grant | 23.0K | $0.00 | $0.00 | 23.0K | View |
| May 30, 2025 | Carpenter Rick | ECorporate Officer | Award/Grant | 19.3K | $0.00 | $0.00 | 19.3K | View |
| May 30, 2025 | Carpenter Rick | ECorporate Officer | Award/Grant | 19.3K | $0.00 | $0.00 | 19.3K | View |
| May 29, 2025 | Gasser Elizabeth Anne | EVice President | J-Other | 11.2K | $0.00 | $0.00 | 22.9K | View |
| May 29, 2025 | Gasser Elizabeth Anne | EVice President | J-Other | 11.2K | $0.00 | $0.00 | 0 | View |
| May 22, 2025 | Sodhi Rajwant | DDirector | Exercise | 4.4K | $20.64 | $90,547.68 | 15.5K | View |
| May 22, 2025 | Sodhi Rajwant | DDirector | Exercise | 4.4K | $0.00 | $0.00 | 0 | View |
| May 22, 2025 | McGroddy-Goetz Kathleen | DDirector | Exercise | 4.4K | $20.64 | $90,547.68 | 17.9K | View |
| May 22, 2025 | McGroddy-Goetz Kathleen | DDirector | Exercise | 4.4K | $0.00 | $0.00 | 0 | View |
| May 22, 2025 | Cha Myoungil | DDirector | Exercise | 4.4K | $20.64 | $90,547.68 | 11.9K | View |
| May 22, 2025 | Cha Myoungil | DDirector | Exercise | 4.4K | $0.00 | $0.00 | 0 | View |
| May 22, 2025 | ROBERTSON REBECCA B | DDirector | Exercise | 4.4K | $20.64 | $90,547.68 | 13.8K | View |
| May 22, 2025 | ROBERTSON REBECCA B | DDirector | Exercise | 4.4K | $0.00 | $0.00 | 0 | View |
| May 22, 2025 | Howell Peyton R | DDirector | Exercise | 4.4K | $20.64 | $90,547.68 | 21.1K | View |
| May 22, 2025 | Howell Peyton R | DDirector | Exercise | 4.4K | $0.00 | $0.00 | 0 | View |
| May 22, 2025 | TWOMEY CHRISTOPHER J | DDirector | Exercise | 4.4K | $20.64 | $90,547.68 | 15.7K | View |
| May 22, 2025 | TWOMEY CHRISTOPHER J | DDirector | Exercise | 4.4K | $0.00 | $0.00 | 0 | View |
| May 22, 2025 | Malagueira Joao Paulo Falcao | DDirector | Exercise | 4.4K | $20.64 | $90,547.68 | 11.9K | View |
| May 22, 2025 | Malagueira Joao Paulo Falcao | DDirector | Exercise | 4.4K | $0.00 | $0.00 | 0 | View |
| May 22, 2025 | Allen Dick | DDirector | Exercise | 4.4K | $20.64 | $90,547.68 | 19.4K | View |
| May 22, 2025 | Allen Dick | DDirector | Exercise | 4.4K | $0.00 | $0.00 | 0 | View |
| May 21, 2025 | Sodhi Rajwant | DDirector | Award/Grant | 8.8K | $0.00 | $0.00 | 8.8K | View |
| May 21, 2025 | McGroddy-Goetz Kathleen | DDirector | Award/Grant | 8.8K | $0.00 | $0.00 | 8.8K | View |
| May 21, 2025 | Cha Myoungil | DDirector | Award/Grant | 8.8K | $0.00 | $0.00 | 8.8K | View |
| May 21, 2025 | ROBERTSON REBECCA B | DDirector | Award/Grant | 8.8K | $0.00 | $0.00 | 8.8K | View |
| May 21, 2025 | Howell Peyton R | DDirector | Award/Grant | 8.8K | $0.00 | $0.00 | 8.8K | View |
| May 21, 2025 | TWOMEY CHRISTOPHER J | DDirector | Award/Grant | 8.8K | $0.00 | $0.00 | 8.8K | View |
| May 21, 2025 | Malagueira Joao Paulo Falcao | DDirector | Award/Grant | 8.8K | $0.00 | $0.00 | 8.8K | View |
| May 21, 2025 | Allen Dick | DDirector | Award/Grant | 8.8K | $0.00 | $0.00 | 8.8K | View |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net buyers of TNDM stock, which is typically a strong positive signal.