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 | Hansen Shannon Marie EVP & Chief Legal Officer | Option exercise | +1,097 | 19,102 | ||
| 2025-08-15 | Hansen Shannon Marie EVP & Chief Legal Officer | Shares withheld for taxes | −393 | $10.82 | $4K | 18,709 |
| 2025-08-15 | Hansen Shannon Marie EVP & Chief Legal Officer | Option exercise · Restricted Stock Unit | −531 | 1,061 | ||
| 2025-08-15 | Hansen Shannon Marie EVP & Chief Legal Officer | Option exercise · Restricted Stock Unit | −1,437 | 4,311 | ||
| 2025-08-15 | Hansen Shannon Marie EVP & Chief Legal Officer | Option exercise · Restricted Stock Unit | −1,097 | 7,677 | ||
| 2025-08-15 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Option exercise | +1,503 | 1,503 | ||
| 2025-08-15 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Shares withheld for taxes | −805 | $10.82 | $9K | 698 |
| 2025-08-15 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Option exercise | +1,097 | 1,795 | ||
| 2025-08-15 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Shares withheld for taxes | −588 | $10.82 | $6K | 1,207 |
| 2025-08-15 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Option exercise · Restricted Stock Unit | −1,503 | 4,509 | ||
| 2025-08-15 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Option exercise · Restricted Stock Unit | −1,097 | 7,677 | ||
| 2025-08-11 | Sheridan John F PRESIDENT & CEO | Purchase | +10,000 | $10.23 | $102K | 106,327 |
| 2025-08-08 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Purchase | +13,720 | $10.89 | $149K | 25,580 |
| 2025-07-15 | Kyrillos Jean-Claude EVP & Chief Operating Officer | Option exercise | +14,545 | 25,254 | ||
| 2025-07-15 | Kyrillos Jean-Claude EVP & Chief Operating Officer | Shares withheld for taxes | −5,205 | $15.20 | $79K | 20,049 |
| 2025-07-15 | Kyrillos Jean-Claude EVP & Chief Operating Officer | Option exercise · Restricted Stock Unit | −14,545 | 29,089 | ||
| 2025-06-16 | Carpenter Rick Chief Technology Officer | Option exercise | +406 | 21,426 | ||
| 2025-06-16 | Carpenter Rick Chief Technology Officer | Shares withheld for taxes | −207 | $20.76 | $4K | 21,219 |
| 2025-06-16 | Carpenter Rick Chief Technology Officer | Option exercise · Restricted Stock Unit | −406 | 812 | ||
| 2025-06-16 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | Option exercise | +7,414 | 32,609 |
Page 16 of 22 · 432 trades