Company Insider Tape

Tandem Diabetes Care Inc insider transactions

Executive and director filing history, acquisition and disposal balance, executive concentration, cadence, and stored market context.

Symbol TNDM Latest filing 15 Jul 2026

Company Read

Net disposal

TNDM has 110 stored insider filings. Acquisitions account for 50.0% of classified filings and disposals account for 50.0%. The largest stored filing is $242.9K from SHERIDAN, JOHN F.

Latest filing 15 Jul 2026most recent stored row
Largest filing $242.9Kreported transaction value
Total filings 110stored transaction rows
Acquisition value $98.1K55 acquisitions
Disposal value $807.1K55 disposals
Net value $-709.0Kacquisitions minus disposals

Filing cadence

Last 12 active months
Apr 2026 3
May 2026 102
Jun 2026 2
Jul 2026 3

Acquisitions 50.0% · Disposals 50.0%

Apr 2026 $39.8K
May 2026 $836.0K
Jun 2026 $0
Jul 2026 $29.4K

Executive concentration

By filing count
GASSER, ELIZABETH ANNE EVP, Chief Strategy Officer · 13 filings
SHERIDAN, JOHN F Director, PRESIDENT & CEO · 11 filings
KYRILLOS, JEAN-CLAUDE EVP & Chief Operating Officer · 11 filings
HANSEN, SHANNON MARIE EVP & Chief Legal Officer · 11 filings
VOSSELLER, LEIGH EVP & CHIEF FINANCIAL OFFICER · 11 filings
CARPENTER, RICK EVP & Chief Technology Officer · 11 filings
MORRISON, SUSAN EVP & Chief Admin. Officer · 11 filings
NOVARA, MARK DAVID EVP & CHIEF COMMERCIAL OFFICER · 6 filings

Market Context

TNDM weekly market snapshot

Week 31 Jul 2026
Latest close 19.50 USDstored weekly close
1-week move +13.9%latest weekly bar
13-week move +27.3%medium-term context
Relative Strength 0.3Sharemaestro indicator
Fair value gap -24.0%price vs fair value
Trend signal 0smoothed trend state

Transaction History

Latest insider filings for TNDM

Showing 91-110 of 110
Date 15 May 2026
Insider MORRISON, SUSANEVP & Chief Admin. Officer
Side Acquisition
Shares 6923
Price 0.00
Value 0
Security Common Stock
Date 15 May 2026
Insider NOVARA, MARK DAVIDEVP & CHIEF COMMERCIAL OFFICER
Side Acquisition
Shares 10496
Price 0.00
Value 0
Security Common Stock
Date 15 May 2026
Insider NOVARA, MARK DAVIDEVP & CHIEF COMMERCIAL OFFICER
Side Disposal
Shares 10496
Price 0.00
Value 0
Security Restricted Stock Unit
Date 15 May 2026
Insider NOVARA, MARK DAVIDEVP & CHIEF COMMERCIAL OFFICER
Side Acquisition
Shares 76
Price 0.00
Value 0
Security Common Stock
Date 15 May 2026
Insider NOVARA, MARK DAVIDEVP & CHIEF COMMERCIAL OFFICER
Side Disposal
Shares 76
Price 0.00
Value 0
Security Restricted Stock Unit
Date 15 May 2026
Insider SHERIDAN, JOHN FDirector, PRESIDENT & CEO
Side Disposal
Shares 5982
Price 0.00
Value 0
Security Restricted Stock Unit
Date 15 May 2026
Insider SHERIDAN, JOHN FDirector, PRESIDENT & CEO
Side Disposal
Shares 5472
Price 0.00
Value 0
Security Restricted Stock Unit
Date 15 May 2026
Insider SHERIDAN, JOHN FDirector, PRESIDENT & CEO
Side Acquisition
Shares 5982
Price 0.00
Value 0
Security Common Stock
Date 15 May 2026
Insider SHERIDAN, JOHN FDirector, PRESIDENT & CEO
Side Acquisition
Shares 39735
Price 0.00
Value 0
Security Common Stock
Date 15 May 2026
Insider SHERIDAN, JOHN FDirector, PRESIDENT & CEO
Side Acquisition
Shares 5472
Price 0.00
Value 0
Security Common Stock
Date 15 May 2026
Insider SHERIDAN, JOHN FDirector, PRESIDENT & CEO
Side Disposal
Shares 39735
Price 0.00
Value 0
Security Restricted Stock Unit
Date 15 May 2026
Insider VOSSELLER, LEIGHEVP & CHIEF FINANCIAL OFFICER
Side Disposal
Shares 1496
Price 0.00
Value 0
Security Restricted Stock Unit
Date 15 May 2026
Insider VOSSELLER, LEIGHEVP & CHIEF FINANCIAL OFFICER
Side Acquisition
Shares 1503
Price 0.00
Value 0
Security Common Stock
Date 15 May 2026
Insider VOSSELLER, LEIGHEVP & CHIEF FINANCIAL OFFICER
Side Disposal
Shares 10496
Price 0.00
Value 0
Security Restricted Stock Unit
Date 15 May 2026
Insider VOSSELLER, LEIGHEVP & CHIEF FINANCIAL OFFICER
Side Acquisition
Shares 1496
Price 0.00
Value 0
Security Common Stock
Date 15 May 2026
Insider VOSSELLER, LEIGHEVP & CHIEF FINANCIAL OFFICER
Side Disposal
Shares 1503
Price 0.00
Value 0
Security Restricted Stock Unit
Date 15 May 2026
Insider VOSSELLER, LEIGHEVP & CHIEF FINANCIAL OFFICER
Side Acquisition
Shares 10496
Price 0.00
Value 0
Security Common Stock
Date 15 Apr 2026
Insider KYRILLOS, JEAN-CLAUDEEVP & Chief Operating Officer
Side Disposal
Shares 1926
Price 20.66
Value 39791
Security Common Stock
Date 15 Apr 2026
Insider KYRILLOS, JEAN-CLAUDEEVP & Chief Operating Officer
Side Disposal
Shares 3636
Price 0.00
Value 0
Security Restricted Stock Unit
Date 15 Apr 2026
Insider KYRILLOS, JEAN-CLAUDEEVP & Chief Operating Officer
Side Acquisition
Shares 3636
Price 0.00
Value 0
Security Common Stock