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 |
|---|---|---|---|---|---|---|
| 2025-08-15 | Sheridan John F PRESIDENT & CEO | Option exercise | +5,982 | 115,001 | ||
| 2025-08-15 | Sheridan John F PRESIDENT & CEO | Shares withheld for taxes | −3,038 | $10.82 | $33K | 111,963 |
| 2025-08-15 | Sheridan John F PRESIDENT & CEO | Option exercise · Restricted Stock Unit | −5,471 | 16,415 | ||
| 2025-08-15 | Sheridan John F PRESIDENT & CEO | Option exercise · Restricted Stock Unit | −5,982 | 41,876 | ||
| 2025-08-15 | Carpenter Rick Chief Technology Officer | Option exercise | +1,437 | 22,656 | ||
| 2025-08-15 | Carpenter Rick Chief Technology Officer | Shares withheld for taxes | −730 | $10.82 | $8K | 21,926 |
| 2025-08-15 | Carpenter Rick Chief Technology Officer | Option exercise | +898 | 22,824 | ||
| 2025-08-15 | Carpenter Rick Chief Technology Officer | Shares withheld for taxes | −457 | $10.82 | $5K | 22,367 |
| 2025-08-15 | Carpenter Rick Chief Technology Officer | Option exercise · Restricted Stock Unit | −1,437 | 4,311 | ||
| 2025-08-15 | Carpenter Rick Chief Technology Officer | Option exercise · Restricted Stock Unit | −898 | 6,281 | ||
| 2025-08-15 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Option exercise | +1,503 | 35,301 | ||
| 2025-08-15 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Shares withheld for taxes | −538 | $10.82 | $6K | 34,763 |
| 2025-08-15 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Option exercise | +1,495 | 36,258 | ||
| 2025-08-15 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Shares withheld for taxes | −535 | $10.82 | $6K | 35,723 |
| 2025-08-15 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Option exercise · Restricted Stock Unit | −1,503 | 4,509 | ||
| 2025-08-15 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Option exercise · Restricted Stock Unit | −1,495 | 10,469 | ||
| 2025-08-15 | Hansen Shannon Marie EVP & Chief Legal Officer | Option exercise | +531 | 17,273 | ||
| 2025-08-15 | Hansen Shannon Marie EVP & Chief Legal Officer | Shares withheld for taxes | −190 | $10.82 | $2K | 17,083 |
| 2025-08-15 | Hansen Shannon Marie EVP & Chief Legal Officer | Option exercise | +1,437 | 18,520 | ||
| 2025-08-15 | Hansen Shannon Marie EVP & Chief Legal Officer | Shares withheld for taxes | −515 | $10.82 | $6K | 18,005 |
Page 15 of 22 · 432 trades