CIK 0001438133 · Large accelerated filer
TANDEM DIABETES CARE INC
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- TNDM
- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 204327508
- Phone
- 858-366-6900
- Business address
- 12400 HIGH BLUFF DRIVE, San Diego, CA, 92130
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $32,555
- in 1 filing, $33K under 10b5-1 plans
Net −$32,555. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-05-15 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Option exercise | +10,496 | 51,829 | ||
| 2026-05-15 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Shares withheld for taxes | −3,766 | $12.82 | $48K | 48,063 |
| 2026-05-15 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Grant or award | +1,336 | $10.90 | $15K | 49,399 |
| 2026-05-15 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Option exercise · Restricted Stock Unit | −1,503 | 0 | ||
| 2026-05-15 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Option exercise · Restricted Stock Unit | −1,496 | 5,982 | ||
| 2026-05-15 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Option exercise · Restricted Stock Unit | −10,496 | 20,992 | ||
| 2026-05-15 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | Option exercise | +76 | 37,732 | ||
| 2026-05-15 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | Shares withheld for taxes | −57 | $12.82 | $731 | 37,675 |
| 2026-05-15 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | Option exercise | +10,496 | 48,171 | ||
| 2026-05-15 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | Shares withheld for taxes | −7,854 | $12.82 | $101K | 40,317 |
| 2026-05-15 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | Option exercise · Restricted Stock Unit | −76 | 304 | ||
| 2026-05-15 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | Option exercise · Restricted Stock Unit | −10,496 | 20,992 | ||
| 2026-04-15 | Kyrillos Jean-Claude EVP & Chief Operating Officer | Option exercise | +3,636 | 27,698 | ||
| 2026-04-15 | Kyrillos Jean-Claude EVP & Chief Operating Officer | Shares withheld for taxes | −1,926 | $20.66 | $40K | 25,772 |
| 2026-04-15 | Kyrillos Jean-Claude EVP & Chief Operating Officer | Option exercise · Restricted Stock Unit | −3,636 | 18,181 | ||
| 2026-03-17 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | Sale | −187 | $23.05 | $4K | 37,656 |
| 2026-03-16 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | Option exercise | +7,414 | 43,383 | ||
| 2026-03-16 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | Shares withheld for taxes | −5,540 | $21.59 | $120K | 37,843 |
| 2026-03-16 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | Option exercise · Restricted Stock Unit | −7,414 | 22,244 | ||
| 2026-03-05 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | Sale 10b5-1 | −2 | $22.81 | $46 | 35,969 |
Page 8 of 22 · 432 trades