List of insiders holdings for TANDEM DIABETES CARE INC:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- 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>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | DOMAIN PARTERS VII L P 10% Owner | 2014-02-06 14:52:01 | 3,541,409 0 | 3,541,409 | Form 13G |
| 2 | HLM VENTURE PARTNERS II L.P. HLM Venture Associates II LLC CAHILL EDWARD L GRUA PETER J RAY RUSSELL T Previously a 10% Owner | 2013-11-26 16:03:59 | 1,739,154 0 | 1,739,154 | Form 13D |
| 3 | Halak Brian K 10% Owner | 2013-11-19 18:48:11 | 0 412,749 | 412,749 | Form 4 |
| 4 | DOVEY BRIAN H 10% Owner | 2013-11-19 18:40:46 | 0 412,749 | 412,749 | Form 4 |
| 5 | SCHOEMAKER KATHLEEN K 10% Owner | 2013-11-19 18:44:48 | 0 412,749 | 412,749 | Form 4 |
| 6 | VITULLO NICOLE 10% Owner | 2013-11-19 18:48:08 | 0 412,749 | 412,749 | Form 4 |
| 7 | BLAIR JAMES C 10% Owner | 2013-11-19 18:22:38 | 0 412,749 | 412,749 | Form 4 |
| 8 | Delphi Management Partners VIII L.L.C. DELPHI VENTURES VIII LP Delphi BioInvestments VIII LP PAKIANATHAN DEEPIKA ROEDER DOUGLAS A DOUGLASS DAVID L BOCHNOWSKI JAMES J 10% Owner | 2018-02-13 14:02:27 | 373,603 0 | 373,603 | Form 13D |
| 9 | Sheridan John F PRESIDENT & CEO | 2026-08-18 16:28:33 | 247,744 0 | 247,744 | Form 4 |
| 10 | BLICKENSTAFF KIM D Director | 2024-11-22 16:08:12 | 0 165,190 | 165,190 | Form 4 |
| 11 | Cajigas John EVP, CFO & TREASURER | 2017-05-18 17:01:39 | 123,353 41,463 | 164,816 | Form 4 |
| 12 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | 2026-08-18 16:28:49 | 74,894 25,580 | 100,474 | Form 4 |
| 13 | Morrison Susan EVP & Chief Admin. Officer | 2026-08-18 16:28:15 | 68,193 0 | 68,193 | Form 4 |
| 14 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | 2026-05-19 16:02:03 | 61,613 0 | 61,613 | Form 4 |
| 15 | Allen Dick Chair Emeritus | 2026-05-22 21:36:52 | 38,366 22,757 | 61,123 | Form 4 |
| 16 | DP VII ASSOCIATES LP 10% Owner | 2013-11-19 18:26:48 | 60,398 0 | 60,398 | Form 4 |
| 17 | Anacone Robert EVP & CHIEF COMMERICAL OFFICER | 2015-05-22 20:20:38 | 56,400 0 | 56,400 | Form 4 |
| 18 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | 2026-08-18 16:27:36 | 18,104 33,109 | 51,213 | Form 4 |
| 19 | Hansen Shannon Marie EVP & Chief Legal Officer | 2026-08-18 16:26:50 | 48,358 1,935 | 50,293 | Form 4 |
| 20 | TWOMEY CHRISTOPHER J Director | 2026-05-22 16:06:15 | 34,654 12,680 | 47,334 | Form 4 |
| 21 | Carpenter Rick EVP & Chief Technology Officer | 2026-08-18 16:27:16 | 46,108 0 | 46,108 | Form 4 |
| 22 | Howell Peyton R Director | 2026-05-22 16:13:10 | 40,056 0 | 40,056 | Form 4 |
| 23 | Kyrillos Jean-Claude EVP & Chief Operating Officer | 2026-08-18 16:27:53 | 37,357 0 | 37,357 | Form 4 |
| 24 | McGroddy-Goetz Kathleen Director | 2026-05-22 16:07:51 | 36,832 0 | 36,832 | Form 4 |
| 25 | Sodhi Rajwant Director | 2026-05-22 16:08:57 | 34,500 0 | 34,500 | Form 4 |
| 26 | Leal James Chief Manufacturing Officer | 2024-05-28 18:44:56 | 33,133 0 | 33,133 | Form 4 |
| 27 | ROBERTSON REBECCA B Director | 2026-05-22 16:06:48 | 32,762 0 | 32,762 | Form 4 |
| 28 | Malagueira Joao Paulo Falcao Director | 2026-05-22 16:11:51 | 32,678 0 | 32,678 | Form 4 |
| 29 | Cha Myoungil Director | 2026-05-22 16:04:42 | 32,678 0 | 32,678 | Form 4 |
| 30 | GREENE HOWARD E JR Director | 2019-08-06 16:13:23 | 0 30,000 | 30,000 | Form 4 |
| 31 | Cohen Fred E Director | 2018-11-19 18:22:44 | 25,000 0 | 25,000 | Form 4 |
| 32 | ANHALT HENRY Director | 2016-03-14 20:51:45 | 25,000 0 | 25,000 | Form 4 |
| 33 | TREU JESSE I Director 10% Owner | 2016-11-17 16:18:42 | 17,000 0 | 17,000 | Form 4 |
| 34 | SMITH LONNIE M Director | 2015-11-17 17:21:23 | 17,000 0 | 17,000 | Form 4 |
| 35 | HANSEN BRIAN B EVP & CHIEF COMMERCIAL OFFICER | 2023-11-29 16:09:10 | 13,435 0 | 13,435 | Form 4 |
| 36 | ROEDER DOUGLAS A Director | 2022-05-19 19:58:25 | 2,205 5,658 | 7,863 | Form 4 |
| 37 | BERGER DAVID B EVP & Chief Operating Officer | 2023-11-29 16:10:14 | 7,151 242 | 7,393 | Form 4 |
| 38 | CAHILL EDWARD L Director | 2021-01-05 16:51:34 | 5,874 0 | 5,874 | Form 4 |
| 39 | Beaver Sandra Director | 2026-05-22 16:10:36 | 5,110 0 | 5,110 | Form 4 |
| 40 | Valencia Richard P. Director | 2019-06-20 18:44:32 | 3,732 0 | 3,732 | Form 4 |
| 41 | TPG Group Holdings (SBS) Advisors Inc. BONDERMAN DAVID COULTER JAMES G 10% Owner | 2021-02-12 16:51:33 | 0 0 | 0 | Form 13G |