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 |
|---|---|---|---|---|---|---|
| 2026-08-15 | Hansen Shannon Marie EVP & Chief Legal Officer | Shares withheld for taxes | −559 | $22.72 | $13K | 30,709 |
| 2026-08-15 | Hansen Shannon Marie EVP & Chief Legal Officer | Option exercise | +1,917 | 32,626 | ||
| 2026-08-15 | Hansen Shannon Marie EVP & Chief Legal Officer | Shares withheld for taxes | −976 | $22.72 | $22K | 31,650 |
| 2026-08-15 | Hansen Shannon Marie EVP & Chief Legal Officer | Option exercise · Restricted Stock Unit | −1,097 | 3,290 | ||
| 2026-08-15 | Hansen Shannon Marie EVP & Chief Legal Officer | Option exercise · Restricted Stock Unit | −1,917 | 13,418 | ||
| 2026-07-15 | Kyrillos Jean-Claude EVP & Chief Operating Officer | Option exercise | +3,636 | 31,741 | ||
| 2026-07-15 | Kyrillos Jean-Claude EVP & Chief Operating Officer | Shares withheld for taxes | −1,926 | $15.28 | $29K | 29,815 |
| 2026-07-15 | Kyrillos Jean-Claude EVP & Chief Operating Officer | Option exercise · Restricted Stock Unit | −3,636 | 14,545 | ||
| 2026-06-02 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Gift | −7,160 | 0 | ||
| 2026-06-02 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Gift | +7,160 | 33,109 | ||
| 2026-05-29 | Sheridan John F PRESIDENT & CEO | Grant or award · Restricted Stock Unit | +191,103 | 191,103 | ||
| 2026-05-29 | Gasser Elizabeth Anne EVP, Chief Strategy Officer | Grant or award · Restricted Stock Unit | +29,136 | 29,136 | ||
| 2026-05-29 | Vosseller Leigh EVP & CHIEF FINANCIAL OFFICER | Grant or award · Restricted Stock Unit | +62,657 | 62,657 | ||
| 2026-05-29 | Kyrillos Jean-Claude EVP & Chief Operating Officer | Grant or award · Restricted Stock Unit | +29,136 | 29,136 | ||
| 2026-05-29 | Morrison Susan EVP & Chief Admin. Officer | Grant or award · Restricted Stock Unit | +29,136 | 29,136 | ||
| 2026-05-29 | Carpenter Rick EVP & Chief Technology Officer | Grant or award · Restricted Stock Unit | +26,003 | 26,003 | ||
| 2026-05-29 | Hansen Shannon Marie EVP & Chief Legal Officer | Grant or award · Restricted Stock Unit | +29,136 | 29,136 | ||
| 2026-05-21 | Allen Dick Chair Emeritus | Option exercise | +8,759 | 28,146 | ||
| 2026-05-21 | Allen Dick Chair Emeritus | Option exercise · Restricted Stock Unit | −8,759 | 0 | ||
| 2026-05-21 | Howell Peyton R Director | Option exercise | +8,759 | 29,836 |
Page 3 of 22 · 432 trades