Tandem Diabetes Care, Inc. (TNDM)
Nasdaq: TNDM · Surgical & Medical Instruments & Apparatus · San Diego, CA · filing with the SEC since 2008
Who runs Tandem Diabetes Care, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Sheridan John F
PRESIDENT & CEO. First filing Nov 2013, latest Aug 18, 2026, 18 filings in all.
Officers reporting now
8
of 17 people with a filing in the last fifteen months
Directors reporting now
9
29 people on the record since 2013
Officerssales are open-market, Oct 29, 2025 to Oct 29, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Kyrillos Jean-Claude | EVP & Chief Operating Officer | Jun 2024 | Oct 19, 2026 | none |
| Sheridan John F | PRESIDENT & CEO | Nov 2013 | Aug 18, 2026 | none |
| Vosseller Leigh | EVP & CHIEF FINANCIAL OFFICER | Jan 2018 | Aug 18, 2026 | none |
| Carpenter Rick | EVP & Chief Technology Officer | Nov 2021 | Aug 18, 2026 | none |
| Gasser Elizabeth Anne | EVP, Chief Strategy Officer | Jun 2021 | Aug 18, 2026 | none |
| Hansen Shannon Marie | EVP & Chief Legal Officer | Feb 2022 | Aug 18, 2026 | none |
| Morrison Susan | EVP & Chief Admin. Officer | Nov 2013 | Aug 18, 2026 | none |
| Novara Mark David | EVP & CHIEF COMMERCIAL OFFICER | Nov 2023 | May 19, 2026 | 2 · $0.00 |
Directorssales are open-market, Oct 29, 2025 to Oct 29, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Twomey Christopher J | director | Nov 2013 | Oct 29, 2026 | 1 · $0.00 |
| Allen Dick | director | Nov 2013 | May 22, 2026 | none |
| Beaver Sandra | director | Nov 2025 | May 22, 2026 | none |
| Cha Myoungil | director | Jun 2022 | May 22, 2026 | none |
| Howell Peyton R | director | Aug 2020 | May 22, 2026 | none |
| Malagueira Joao Paulo Falcao | director | Jul 2022 | May 22, 2026 | none |
| Mcgroddy-Goetz Kathleen | director | Jun 2020 | May 22, 2026 | none |
| Robertson Rebecca B | director | Jan 2019 | May 22, 2026 | none |
| Sodhi Rajwant | director | Jan 2021 | May 22, 2026 | none |
Earlier names on the record12, newest filing first
Blickenstaff Kim D · officer · last filing Nov 2024Leal James · officer · last filing May 2024Berger David B · officer · last filing Nov 2023Hansen Brian B · officer · last filing Nov 2023Roeder Douglas A · director · last filing May 2022Cahill Edward L · director · last filing Jan 2021Greene Howard E Jr · director · last filing Aug 2019Valencia Richard P. · director · last filing Jun 2019Cohen Fred E · director · last filing Nov 2018Cajigas John · officer · last filing May 2017Treu Jesse I · director · last filing Nov 2016Anhalt Henry · director · last filing Mar 2016
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.