TANDEM DIABETES CARE INC (TNDM) Stock Ownership

NASDAQ:TNDM • US8753722037

Current stock price

20.84 USD
+0.74 (+3.68%)
Last:

TNDM Ownership information

TNDM Ownership Chart.TNDM Ownership Chart: showing Insider, Institutional ownership and shares available to the public.TNDM Ownership.InsiderInstitutional



Shares Outstanding68.33M
Float67.82M
Float Short Interest Percentage15.53%
Owners (insider)0.74%
Owners (institutional)112.71%
Owners (insider) change6.82%
Owners (institutional) change0%
TNDM Institutional Ownership HistoryTNDM Institutional Ownership HistoryTNDM Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 Mar 2026 20M 40M 60M 80M
TNDM Historical Insider Transactions ChartTNDM Historical Insider Buy and Sell Transactions ChartTNDM Historical Insider Transactions May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 0 10K 20K 30K 40K 50K
DateNameTypeSharesPriceAmount
Mar 17, 2026Novara Mark DavidOpen Market Sale18723.05$ 4,310.35
Mar 16, 2026Novara Mark DavidOption Excercise74140.00$ 0.00
Mar 16, 2026Novara Mark DavidOption Excercise554021.59$ 119,608.60
Mar 5, 2026Novara Mark DavidOpen Market Sale222.81$ 45.62
Feb 17, 2026Carpenter RickOption Excercise23340.00$ 0.00
Feb 17, 2026Carpenter RickOption Excercise131218.95$ 24,862.40
Feb 17, 2026Gasser Elizabeth AnneOption Excercise26000.00$ 0.00
Feb 17, 2026Gasser Elizabeth AnneOption Excercise153418.95$ 29,069.30
Feb 17, 2026Morrison SusanOption Excercise26000.00$ 0.00
Feb 17, 2026Morrison SusanOption Excercise88218.95$ 16,713.90
Feb 17, 2026Novara Mark DavidOption Excercise770.00$ 0.00
Feb 17, 2026Novara Mark DavidOption Excercise6218.95$ 1,174.90
Feb 17, 2026Sheridan John FOption Excercise114540.00$ 0.00
Feb 17, 2026Sheridan John FOption Excercise436318.95$ 82,678.85
Feb 17, 2026Vosseller LeighOption Excercise29980.00$ 0.00
Feb 17, 2026Vosseller LeighOption Excercise123518.95$ 23,403.25
Feb 17, 2026Hansen Shannon MarieOption Excercise30650.00$ 0.00
Feb 17, 2026Hansen Shannon MarieOption Excercise126318.95$ 23,933.85
Jan 15, 2026Kyrillos Jean-ClaudeOption Excercise36360.00$ 0.00
Jan 15, 2026Kyrillos Jean-ClaudeOption Excercise211821.07$ 44,626.26
Dec 15, 2025Carpenter RickOption Excercise20722.11$ 4,576.77
Dec 15, 2025Novara Mark DavidOption Excercise74150.00$ 0.00
Dec 15, 2025Novara Mark DavidOption Excercise384322.11$ 84,968.73
Dec 15, 2025Carpenter RickOption Excercise4060.00$ 0.00
Dec 4, 2025Gasser Elizabeth AnneOther Disposition60000.00$ 0.00
Nov 17, 2025Morrison SusanOption Excercise25990.00$ 0.00
Nov 17, 2025Morrison SusanOption Excercise74418.61$ 13,845.84
Nov 17, 2025Sheridan John FOption Excercise114540.00$ 0.00
Nov 17, 2025Sheridan John FOption Excercise581718.61$ 108,254.37
Nov 17, 2025Gasser Elizabeth AnneGrant58615.59$ 9,135.74
Nov 17, 2025Gasser Elizabeth AnneOption Excercise25990.00$ 0.00
Nov 17, 2025Gasser Elizabeth AnneOption Excercise139218.61$ 25,905.12
Nov 17, 2025Kyrillos Jean-ClaudeGrant16015.59$ 2,494.40
Nov 17, 2025Vosseller LeighOption Excercise29990.00$ 0.00
Nov 17, 2025Vosseller LeighOption Excercise107418.61$ 19,987.14
Nov 17, 2025Hansen Shannon MarieGrant80015.59$ 12,472.00
Nov 17, 2025Hansen Shannon MarieOption Excercise30630.00$ 0.00
Nov 17, 2025Hansen Shannon MarieOption Excercise109818.61$ 20,433.78
Nov 17, 2025Carpenter RickGrant33915.59$ 5,285.01
Nov 17, 2025Carpenter RickOption Excercise23340.00$ 0.00
Nov 17, 2025Carpenter RickOption Excercise118618.61$ 22,071.46
Nov 17, 2025Novara Mark DavidOption Excercise760.00$ 0.00
Nov 17, 2025Novara Mark DavidOption Excercise4018.61$ 744.40
Oct 15, 2025Kyrillos Jean-ClaudeOption Excercise36360.00$ 0.00
Oct 15, 2025Kyrillos Jean-ClaudeOption Excercise130114.75$ 19,189.75
Sep 15, 2025Carpenter RickOption Excercise4060.00$ 0.00
Sep 15, 2025Carpenter RickOption Excercise20712.09$ 2,502.63
Sep 15, 2025Novara Mark DavidOption Excercise74150.00$ 0.00
Sep 15, 2025Novara Mark DavidOption Excercise386612.09$ 46,739.94
Aug 11, 2025Sheridan John FOpen Market Purchase1000010.23$ 102,318.00
Aug 8, 2025Vosseller LeighOpen Market Purchase1372010.89$ 149,403.94
Jul 15, 2025Kyrillos Jean-ClaudeOption Excercise145450.00$ 0.00
Jul 15, 2025Kyrillos Jean-ClaudeOption Excercise520515.20$ 79,116.00
Jun 16, 2025Cha MyoungilOption Excercise17490.00$ 0.00
Jun 16, 2025Carpenter RickOption Excercise4060.00$ 0.00
Jun 16, 2025Carpenter RickOption Excercise20720.76$ 4,297.32
Jun 16, 2025Novara Mark DavidOption Excercise74140.00$ 0.00
Jun 16, 2025Novara Mark DavidOption Excercise384620.76$ 79,842.96
Jun 16, 2025Malagueira Joao Paulo FalcaoOption Excercise17490.00$ 0.00
Jun 2, 2025Allen DickOther Disposition100019.88$ 19,880.00
May 29, 2025Gasser Elizabeth AnneOther Disposition224000.00$ 0.00
May 22, 2025Sodhi RajwantOption Excercise438720.64$ 90,547.68
May 22, 2025McGroddy-Goetz KathleenOption Excercise438720.64$ 90,547.68
May 22, 2025Cha MyoungilOption Excercise438720.64$ 90,547.68
May 22, 2025ROBERTSON REBECCA BOption Excercise438720.64$ 90,547.68
May 22, 2025Howell Peyton ROption Excercise438720.64$ 90,547.68
May 22, 2025TWOMEY CHRISTOPHER JOption Excercise438720.64$ 90,547.68
May 22, 2025Malagueira Joao Paulo FalcaoOption Excercise438720.64$ 90,547.68
May 22, 2025Allen DickOption Excercise438720.64$ 90,547.68
May 15, 2025Morrison SusanGrant135915.64$ 21,254.76
May 15, 2025Morrison SusanOption Excercise65260.00$ 0.00
May 15, 2025Morrison SusanOption Excercise186822.70$ 42,403.60
May 15, 2025Gasser Elizabeth AnneGrant114715.64$ 17,939.08
May 15, 2025Gasser Elizabeth AnneOption Excercise65260.00$ 0.00
May 15, 2025Gasser Elizabeth AnneOption Excercise349622.70$ 79,359.20
May 15, 2025Carpenter RickGrant102015.64$ 15,952.80
May 15, 2025Carpenter RickOption Excercise56220.00$ 0.00
May 15, 2025Carpenter RickOption Excercise201422.70$ 45,717.80
May 15, 2025Sheridan John FGrant135915.64$ 21,254.76
May 15, 2025Sheridan John FOption Excercise324293.83$ 124,214.40
May 15, 2025Sheridan John FOption Excercise1647022.70$ 373,869.00
May 15, 2025Kyrillos Jean-ClaudeGrant17119.30$ 3,300.30
May 15, 2025Vosseller LeighGrant135915.64$ 21,254.76
May 15, 2025Vosseller LeighOption Excercise81210.00$ 0.00
May 15, 2025Vosseller LeighOption Excercise290722.70$ 65,988.90
May 15, 2025Hansen Shannon MarieOption Excercise63550.00$ 0.00
May 15, 2025Hansen Shannon MarieOption Excercise227522.70$ 51,642.50
May 15, 2025Novara Mark DavidGrant87019.30$ 16,791.00
May 15, 2025Novara Mark DavidOption Excercise3040.00$ 0.00
May 15, 2025Novara Mark DavidOption Excercise11322.70$ 2,565.10