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 24 Jul 2026
Latest close 17.12 USDstored weekly close
1-week move +0.2%latest weekly bar
13-week move +5.4%medium-term context
Relative Strength -11.4Sharemaestro indicator
Fair value gap -33.5%price vs fair value
Trend signal 0smoothed trend state

Transaction History

Latest insider filings for TNDM

Showing 31-60 of 110
Date 20 May 2026
Insider CHA, MYOUNGILDirector
Side Acquisition
Shares 10220
Price 0.00
Value 0
Security Restricted Stock Unit
Date 20 May 2026
Insider HOWELL, PEYTON RDirector
Side Acquisition
Shares 10220
Price 0.00
Value 0
Security Restricted Stock Unit
Date 20 May 2026
Insider MALAGUEIRA, JOAO PAULO FALCAODirector
Side Acquisition
Shares 10220
Price 0.00
Value 0
Security Restricted Stock Unit
Date 20 May 2026
Insider MCGRODDY-GOETZ, KATHLEENDirector
Side Acquisition
Shares 10220
Price 0.00
Value 0
Security Restricted Stock Unit
Date 20 May 2026
Insider ROBERTSON, REBECCA BDirector
Side Acquisition
Shares 10220
Price 0.00
Value 0
Security Restricted Stock Unit
Date 20 May 2026
Insider SODHI, RAJWANTDirector
Side Acquisition
Shares 10220
Price 0.00
Value 0
Security Restricted Stock Unit
Date 20 May 2026
Insider TWOMEY, CHRISTOPHER JDirector
Side Acquisition
Shares 10220
Price 0.00
Value 0
Security Restricted Stock Unit
Date 15 May 2026
Insider SHERIDAN, JOHN FDirector, PRESIDENT & CEO
Side Disposal
Shares 18944
Price 12.82
Value 242862
Security Common Stock
Date 15 May 2026
Insider NOVARA, MARK DAVIDEVP & CHIEF COMMERCIAL OFFICER
Side Disposal
Shares 7854
Price 12.82
Value 100688
Security Common Stock
Date 15 May 2026
Insider GASSER, ELIZABETH ANNEEVP, Chief Strategy Officer
Side Disposal
Shares 4114
Price 12.82
Value 52741
Security Common Stock
Date 15 May 2026
Insider HANSEN, SHANNON MARIEEVP & Chief Legal Officer
Side Disposal
Shares 3901
Price 12.82
Value 50011
Security Common Stock
Date 15 May 2026
Insider VOSSELLER, LEIGHEVP & CHIEF FINANCIAL OFFICER
Side Disposal
Shares 3766
Price 12.82
Value 48280
Security Common Stock
Date 15 May 2026
Insider CARPENTER, RICKEVP & Chief Technology Officer
Side Disposal
Shares 3277
Price 12.82
Value 42011
Security Common Stock
Date 15 May 2026
Insider SHERIDAN, JOHN FDirector, PRESIDENT & CEO
Side Disposal
Shares 3044
Price 12.82
Value 39024
Security Common Stock
Date 15 May 2026
Insider SHERIDAN, JOHN FDirector, PRESIDENT & CEO
Side Disposal
Shares 2785
Price 12.82
Value 35704
Security Common Stock
Date 15 May 2026
Insider KYRILLOS, JEAN-CLAUDEEVP & Chief Operating Officer
Side Disposal
Shares 2139
Price 12.82
Value 27422
Security Common Stock
Date 15 May 2026
Insider MORRISON, SUSANEVP & Chief Admin. Officer
Side Disposal
Shares 1980
Price 12.82
Value 25384
Security Common Stock
Date 15 May 2026
Insider HANSEN, SHANNON MARIEEVP & Chief Legal Officer
Side Acquisition
Shares 1886
Price 10.90
Value 20557
Security Common Stock
Date 15 May 2026
Insider GASSER, ELIZABETH ANNEEVP, Chief Strategy Officer
Side Acquisition
Shares 1337
Price 10.90
Value 14573
Security Common Stock
Date 15 May 2026
Insider CARPENTER, RICKEVP & Chief Technology Officer
Side Acquisition
Shares 1336
Price 10.90
Value 14562
Security Common Stock
Date 15 May 2026
Insider MORRISON, SUSANEVP & Chief Admin. Officer
Side Acquisition
Shares 1336
Price 10.90
Value 14562
Security Common Stock
Date 15 May 2026
Insider SHERIDAN, JOHN FDirector, PRESIDENT & CEO
Side Acquisition
Shares 1336
Price 10.90
Value 14562
Security Common Stock
Date 15 May 2026
Insider VOSSELLER, LEIGHEVP & CHIEF FINANCIAL OFFICER
Side Acquisition
Shares 1336
Price 10.90
Value 14562
Security Common Stock
Date 15 May 2026
Insider GASSER, ELIZABETH ANNEEVP, Chief Strategy Officer
Side Disposal
Shares 807
Price 12.82
Value 10346
Security Common Stock
Date 15 May 2026
Insider CARPENTER, RICKEVP & Chief Technology Officer
Side Disposal
Shares 732
Price 12.82
Value 9384
Security Common Stock
Date 15 May 2026
Insider HANSEN, SHANNON MARIEEVP & Chief Legal Officer
Side Disposal
Shares 732
Price 12.82
Value 9384
Security Common Stock
Date 15 May 2026
Insider GASSER, ELIZABETH ANNEEVP, Chief Strategy Officer
Side Disposal
Shares 589
Price 12.82
Value 7551
Security Common Stock
Date 15 May 2026
Insider HANSEN, SHANNON MARIEEVP & Chief Legal Officer
Side Disposal
Shares 559
Price 12.82
Value 7166
Security Common Stock
Date 15 May 2026
Insider VOSSELLER, LEIGHEVP & CHIEF FINANCIAL OFFICER
Side Disposal
Shares 540
Price 12.82
Value 6923
Security Common Stock
Date 15 May 2026
Insider VOSSELLER, LEIGHEVP & CHIEF FINANCIAL OFFICER
Side Disposal
Shares 537
Price 12.82
Value 6884
Security Common Stock