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 |
|---|---|---|---|---|---|---|
| 2025-11-17 | Sheridan John F PRESIDENT & CEO | Shares withheld for taxes | −2,779 | $18.61 | $52K | 114,656 |
| 2025-11-17 | Sheridan John F PRESIDENT & CEO | Option exercise | +5,982 | 120,638 | ||
| 2025-11-17 | Sheridan John F PRESIDENT & CEO | Shares withheld for taxes | −3,038 | $18.61 | $57K | 117,600 |
| 2025-11-17 | Sheridan John F PRESIDENT & CEO | Option exercise · Restricted Stock Unit | −5,472 | 10,943 | ||
| 2025-11-17 | Sheridan John F PRESIDENT & CEO | Option exercise · Restricted Stock Unit | −5,982 | 35,894 | ||
| 2025-11-17 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Grant or award | +586 | $15.59 | $9K | 1,793 |
| 2025-11-17 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Option exercise | +1,503 | 3,296 | ||
| 2025-11-17 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Shares withheld for taxes | −805 | $18.61 | $15K | 2,491 |
| 2025-11-17 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Option exercise | +1,096 | 3,587 | ||
| 2025-11-17 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Shares withheld for taxes | −587 | $18.61 | $11K | 3,000 |
| 2025-11-17 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Option exercise · Restricted Stock Unit | −1,503 | 3,006 | ||
| 2025-11-17 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Option exercise · Restricted Stock Unit | −1,096 | 6,581 | ||
| 2025-11-17 | Carpenter Rick Chief Technology Officer | Grant or award | +339 | $15.59 | $5K | 22,905 |
| 2025-11-17 | Carpenter Rick Chief Technology Officer | Option exercise | +1,437 | 24,342 | ||
| 2025-11-17 | Carpenter Rick Chief Technology Officer | Shares withheld for taxes | −730 | $18.61 | $14K | 23,612 |
| 2025-11-17 | Carpenter Rick Chief Technology Officer | Option exercise | +897 | 24,509 | ||
| 2025-11-17 | Carpenter Rick Chief Technology Officer | Shares withheld for taxes | −456 | $18.61 | $8K | 24,053 |
| 2025-11-17 | Carpenter Rick Chief Technology Officer | Option exercise · Restricted Stock Unit | −1,437 | 2,874 | ||
| 2025-11-17 | Carpenter Rick Chief Technology Officer | Option exercise · Restricted Stock Unit | −897 | 5,384 | ||
| 2025-11-17 | Novara Mark David EVP & CHIEF COMMERCIAL OFFICER | Option exercise | +76 | 32,424 |
Page 12 of 22 · 432 trades