Company · CIK 0001438133 · SIC 3841 — Surgical & Medical Instruments & Apparatus · Nasdaq
TANDEM DIABETES CARE INC · TNDM
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 15, 2026 FMForm 4 → | Aug 18, 4:28 pm EDT | Leigh VossellerEVP & CHIEF FINANCIAL OFFICER | 5,599 | $22.72 | $33,603 | 52,040 | — | |
| Aug 15, 2026 FMForm 4 → | Aug 18, 4:28 pm EDT | John F SheridanPRESIDENT & CEO, Director | 24,015 | $22.72 | $184,009 | 160,260 | — | |
| Aug 15, 2026 FMForm 4 → | Aug 18, 4:28 pm EDT | Susan MorrisonEVP & Chief Admin. Officer | 3,636 | $22.72 | $18,380 | 52,788 | — | |
| Aug 15, 2026 FMForm 4 → | Aug 18, 4:27 pm EDT | Jean-Claude KyrillosEVP & Chief Operating Officer | 1,545 | $22.72 | $12,155 | 30,290 | — | |
| Aug 15, 2026 FMForm 4 → | Aug 18, 4:27 pm EDT | Elizabeth Anne GasserEVP, Chief Strategy Officer | 4,632 | $22.72 | $36,761 | 1,396 | — | |
| Aug 15, 2026 FMForm 4 → | Aug 18, 4:27 pm EDT | Rick CarpenterEVP & Chief Technology Officer | 3,784 | $22.72 | $29,013 | 32,148 | — | |
| Aug 15, 2026 FMForm 4 → | Aug 18, 4:26 pm EDT | Shannon Marie HansenEVP & Chief Legal Officer | 4,549 | $22.72 | $34,875 | 31,650 | — | |
| Jul 15, 2026 FMForm 4 → | Jul 17, 4:07 pm EDT | Jean-Claude KyrillosEVP & Chief Operating Officer | 5,562 | $15.28 | $29,429 | 29,815 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 15, 2026 MForm 4 → | Aug 18, 4:28 pm EDT | Leigh VossellerEVP & CHIEF FINANCIAL OFFICER | 4,120 | — | — | 18,368 | — | |
| Aug 15, 2026 MForm 4 → | Aug 18, 4:28 pm EDT | John F SheridanPRESIDENT & CEO, Director | 15,916 | — | — | 69,537 | — | |
| Aug 15, 2026 MForm 4 → | Aug 18, 4:28 pm EDT | Susan MorrisonEVP & Chief Admin. Officer | 2,827 | — | — | 12,115 | — | |
| Aug 15, 2026 MForm 4 → | Aug 18, 4:27 pm EDT | Jean-Claude KyrillosEVP & Chief Operating Officer | 1,010 | — | — | 7,067 | — | |
| Aug 15, 2026 MForm 4 → | Aug 18, 4:27 pm EDT | Elizabeth Anne GasserEVP, Chief Strategy Officer | 3,014 | — | — | 13,418 | — | |
| Aug 15, 2026 MForm 4 → | Aug 18, 4:27 pm EDT | Rick CarpenterEVP & Chief Technology Officer | 2,507 | — | — | 11,268 | — | |
| Aug 15, 2026 MForm 4 → | Aug 18, 4:26 pm EDT | Shannon Marie HansenEVP & Chief Legal Officer | 3,014 | — | — | 13,418 | — | |
| Jul 15, 2026 MForm 4 → | Jul 17, 4:07 pm EDT | Jean-Claude KyrillosEVP & Chief Operating Officer | 3,636 | — | — | 14,545 | — |