Lumida
/TNDM
⌘K
Tandem Diabetes Care Inc

Tandem Diabetes Care Inc

TNDM
$17.11USD-6.55%-1.20 today

MARKET CAP

1.2B

P/E (TTM)

FWD P/E

DAY RANGE

$17 – $19

52W RANGE

$11
$30

AI Summary

Stalk
TrimMedium

TNDM remains in a clear medium-term downtrend following a decisive support failure and series of lower lows. While RSI is oversold and price is extended below key EMAs and SMAs, sellers maintain control and further downside toward the next structural floor is likely. Execution of bearish positions should be deferred until a corrective bounce back into the $19.40–$19.80 former support zone, where resistance can be reestablished.

  • Q1 2026 revenue rose 7% YoY to $247 M alongside 29K pump shipments.
  • Mobi tubeless system and Control IQ for Type 2 to double addressable market.
  • Profitability weak with negative earnings yield and poor returns.
Full analysis →
Insider Trades129 trades
DateSideTickerInsiderRoleSharesPriceMkt Cap52W High52W LowValue% ChgRuleAI View
Jul 15, 2026SellTNDMJean-Claude KyrillosEVP & Chief Operating Officer1,926$15.28$1.2B-42.29%+49.30%$29.4K-4.16%Buy Now
Jun 2, 2026SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer14,320$18.60$1.2B-42.29%+49.30%$266.4K+0.00%Buy Now
May 15, 2026SellTNDMJean-Claude KyrillosEVP & Chief Operating Officer2,573$12.50$1.2B-42.29%+49.30%$32.2K-2.60%16bBuy Now
May 15, 2026SellTNDMSusan MorrisonEVP & Chief Admin. Officer4,060$12.19$1.2B-42.29%+49.30%$49.5K-0.67%16bBuy Now
May 15, 2026SellTNDMRick CarpenterEVP & Chief Technology Officer5,802$12.38$1.2B-42.29%+49.30%$71.8K-2.36%16bBuy Now
May 15, 2026SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER6,179$12.40$1.2B-42.29%+49.30%$76.6K-1.67%16bBuy Now
May 15, 2026SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer6,847$12.45$1.2B-42.29%+49.30%$85.2K-10.20%16bBuy Now
May 15, 2026SellTNDMShannon Marie HansenEVP & Chief Legal Officer7,078$12.31$1.2B-42.29%+49.30%$87.1K-2.54%16bBuy Now
May 15, 2026SellTNDMMark David NovaraEVP & CHIEF COMMERCIAL OFFICER7,911$12.82$1.2B-42.29%+49.30%$101.4K-7.38%Buy Now
May 15, 2026SellTNDMJohn F SheridanPRESIDENT & CEO26,109$12.72$1.2B-42.29%+49.30%$332.2K-3.41%16bBuy Now
Apr 15, 2026SellTNDMJean-Claude KyrillosEVP & Chief Operating Officer1,926$20.66$1.2B-42.29%+49.30%$39.8K-4.20%Buy Now
Mar 16, 2026SellTNDMMark David NovaraEVP & CHIEF COMMERCIAL OFFICER5,727$21.64$1.2B-42.29%+49.30%$123.9K-5.53%10b5-1Buy Now
Mar 5, 2026SellTNDMMark David NovaraEVP & CHIEF COMMERCIAL OFFICER2$22.81$1.2B-42.29%+49.30%$45.62-0.01%10b5-1Buy Now
Feb 17, 2026SellTNDMMark David NovaraEVP & CHIEF COMMERCIAL OFFICER62$18.95$1.2B-42.29%+49.30%$1.2K-0.17%Buy Now
Feb 17, 2026SellTNDMSusan MorrisonEVP & Chief Admin. Officer882$18.95$1.2B-42.29%+49.30%$16.7K-0.95%Buy Now
Feb 17, 2026SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER1,235$18.95$1.2B-42.29%+49.30%$23.4K-1.40%Buy Now
Feb 17, 2026SellTNDMShannon Marie HansenEVP & Chief Legal Officer1,263$18.95$1.2B-42.29%+49.30%$23.9K-1.66%Buy Now
Feb 17, 2026SellTNDMRick CarpenterChief Technology Officer1,312$18.95$1.2B-42.29%+49.30%$24.9K-2.29%Buy Now
Feb 17, 2026SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer1,534$18.95$1.2B-42.29%+49.30%$29.1K-15.03%Buy Now
Feb 17, 2026SellTNDMJohn F SheridanPRESIDENT & CEO4,363$18.95$1.2B-42.29%+49.30%$82.7K-1.53%Buy Now
Jan 15, 2026SellTNDMJean-Claude KyrillosEVP & Chief Operating Officer2,118$21.07$1.2B-42.29%+49.30%$44.6K-4.41%Buy Now
Dec 15, 2025SellTNDMRick CarpenterChief Technology Officer207$22.11$1.2B-42.29%+49.30%$4.6K-0.85%Buy Now
Dec 15, 2025SellTNDMMark David NovaraEVP & CHIEF COMMERCIAL OFFICER3,843$22.11$1.2B-42.29%+49.30%$85.0K-5.53%Buy Now
Nov 17, 2025SellTNDMMark David NovaraEVP & CHIEF COMMERCIAL OFFICER40$18.61$1.2B-42.29%+49.30%$744.4-0.12%Buy Now
Nov 17, 2025BuyTNDMJean-Claude KyrillosEVP & Chief Operating Officer160$15.59$1.2B-42.29%+49.30%$2.5K+0.71%Buy Now
Nov 17, 2025SellTNDMSusan MorrisonEVP & Chief Admin. Officer744$18.61$1.2B-42.29%+49.30%$13.8K-0.81%Buy Now
Nov 17, 2025SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER1,074$18.61$1.2B-42.29%+49.30%$20.0K-1.23%Buy Now
Nov 17, 2025SellTNDMRick CarpenterChief Technology Officer1,525$17.94$1.2B-42.29%+49.30%$27.4K-1.06%Buy Now
Nov 17, 2025SellTNDMShannon Marie HansenEVP & Chief Legal Officer1,898$17.34$1.2B-42.29%+49.30%$32.9K-0.32%Buy Now
Nov 17, 2025SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer1,978$17.72$1.2B-42.29%+49.30%$35.0K-4.56%Buy Now
Nov 17, 2025SellTNDMJohn F SheridanPRESIDENT & CEO5,817$18.61$1.2B-42.29%+49.30%$108.3K-2.04%Buy Now
Oct 15, 2025SellTNDMJean-Claude KyrillosEVP & Chief Operating Officer1,301$14.75$1.2B-42.29%+49.30%$19.2K-2.65%Buy Now
Sep 15, 2025SellTNDMRick CarpenterChief Technology Officer207$12.09$1.2B-42.29%+49.30%$2.5K-0.89%Buy Now
Sep 15, 2025SellTNDMMark David NovaraEVP & CHIEF COMMERCIAL OFFICER3,866$12.09$1.2B-42.29%+49.30%$46.7K-5.28%Buy Now
Aug 15, 2025SellTNDMMark David NovaraEVP & CHIEF COMMERCIAL OFFICER40$10.82$1.2B-42.29%+49.30%$432.8-0.14%Buy Now
Aug 15, 2025SellTNDMSusan MorrisonEVP & Chief Admin. Officer744$10.82$1.2B-42.29%+49.30%$8.1K-0.82%Buy Now
Aug 15, 2025SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER1,073$10.82$1.2B-42.29%+49.30%$11.6K-1.24%Buy Now
Aug 15, 2025SellTNDMShannon Marie HansenEVP & Chief Legal Officer1,098$10.82$1.2B-42.29%+49.30%$11.9K-1.62%Buy Now
Aug 15, 2025SellTNDMRick CarpenterChief Technology Officer1,187$10.82$1.2B-42.29%+49.30%$12.8K-2.12%Buy Now
Aug 15, 2025SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer1,393$10.82$1.2B-42.29%+49.30%$15.1K-9.00%Buy Now
Aug 15, 2025SellTNDMJohn F SheridanPRESIDENT & CEO5,817$10.82$1.2B-42.29%+49.30%$62.9K-2.04%Buy Now
Aug 11, 2025BuyTNDMJohn F SheridanPRESIDENT & CEO10,000$10.23$1.2B-42.29%+49.30%$102.3K+10.38%Buy Now
Aug 8, 2025BuyTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER13,720$10.89$1.2B-42.29%+49.30%$149.4K+115.68%Buy Now
Jul 15, 2025SellTNDMJean-Claude KyrillosEVP & Chief Operating Officer5,205$15.20$1.2B-42.29%+49.30%$79.1K-9.58%Buy Now
Jun 16, 2025SellTNDMRick CarpenterChief Technology Officer207$20.76$1.2B-42.29%+49.30%$4.3K-0.93%Buy Now
Jun 16, 2025SellTNDMMark David NovaraEVP & CHIEF COMMERCIAL OFFICER3,846$20.76$1.2B-42.29%+49.30%$79.8K-4.99%Buy Now
May 15, 2025BuyTNDMJean-Claude KyrillosEVP & Chief Operating Officer171$19.30$1.2B-42.29%+49.30%$3.3K+1.62%Buy Now
May 15, 2025BuyTNDMMark David NovaraEVP & CHIEF COMMERCIAL OFFICER983$19.69$1.2B-42.29%+49.30%$19.4K+1.51%Buy Now
May 15, 2025SellTNDMShannon Marie HansenEVP & Chief Legal Officer2,275$22.70$1.2B-42.29%+49.30%$51.6K-3.67%Buy Now
May 15, 2025SellTNDMRick CarpenterChief Technology Officer3,034$20.33$1.2B-42.29%+49.30%$61.7K-1.12%Buy Now
May 15, 2025SellTNDMSusan MorrisonEVP & Chief Admin. Officer3,227$19.73$1.2B-42.29%+49.30%$63.7K-0.28%Buy Now
May 15, 2025SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER4,266$20.45$1.2B-42.29%+49.30%$87.2K-0.91%Buy Now
May 15, 2025SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer4,643$20.96$1.2B-42.29%+49.30%$97.3K-3.77%Buy Now
May 15, 2025SellTNDMJohn F SheridanPRESIDENT & CEO23,301$22.29$1.2B-42.29%+49.30%$519.3K-1.63%Buy Now
Mar 17, 2025SellTNDMRick CarpenterChief Technology Officer146$19.17$1.2B-42.29%+49.30%$2.8K-0.82%Buy Now
Mar 17, 2025SellTNDMMark David NovaraEVP & CHIEF COMMERCIAL OFFICER2,739$19.17$1.2B-42.29%+49.30%$52.5K-3.48%Buy Now
Mar 7, 2025BuyTNDMJean-Claude KyrillosEVP & Chief Operating Officer10,538$18.12$1.2B-42.29%+49.30%$191.0KBuy Now
Feb 25, 2025SellTNDMSusan MorrisonEVP & Chief Admin. Officer2,027$33.34$1.2B-42.29%+49.30%$67.6K-3.35%Buy Now
Feb 25, 2025SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER2,521$33.34$1.2B-42.29%+49.30%$84.1K-4.71%Buy Now
Feb 25, 2025SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer3,748$33.34$1.2B-42.29%+49.30%$125.0K-24.53%Buy Now
Feb 25, 2025SellTNDMJohn F SheridanPRESIDENT & CEO13,427$33.34$1.2B-42.29%+49.30%$447.7K-8.64%Buy Now
Feb 18, 2025SellTNDMSusan MorrisonEVP & Chief Admin. Officer727$33.47$1.2B-42.29%+49.30%$24.3K-0.85%Buy Now
Feb 18, 2025SellTNDMShannon Marie HansenEVP & Chief Legal Officer810$33.47$1.2B-42.29%+49.30%$27.1K-2.34%Buy Now
Feb 18, 2025SellTNDMRick CarpenterChief Technology Officer836$33.47$1.2B-42.29%+49.30%$28.0K-2.09%Buy Now
Feb 18, 2025SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER880$33.47$1.2B-42.29%+49.30%$29.5K-1.17%Buy Now
Feb 18, 2025SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer1,261$33.47$1.2B-42.29%+49.30%$42.2K-6.44%Buy Now
Feb 18, 2025SellTNDMJohn F SheridanPRESIDENT & CEO3,182$33.47$1.2B-42.29%+49.30%$106.5K-1.56%Buy Now
Dec 16, 2024SellTNDMRick CarpenterChief Technology Officer145$32.66$1.2B-42.29%+49.30%$4.7K-0.87%Buy Now
Dec 16, 2024SellTNDMMark David NovaraEVP & CHIEF COMMERCIAL OFFICER10,732$32.66$1.2B-42.29%+49.30%$350.5K-11.99%Buy Now
Nov 15, 2024BuyTNDMMark David NovaraEVP & CHIEF COMMERCIAL OFFICER532$23.24$1.2B-42.29%+49.30%$12.4KBuy Now
Nov 15, 2024SellTNDMSusan MorrisonEVP & Chief Admin. Officer613$27.34$1.2B-42.29%+49.30%$16.8K-0.74%Buy Now
Nov 15, 2024SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER765$27.34$1.2B-42.29%+49.30%$20.9K-1.04%Buy Now
Nov 15, 2024SellTNDMShannon Marie HansenEVP & Chief Legal Officer1,264$22.15$1.2B-42.29%+49.30%$28.0K-0.32%16bBuy Now
Nov 15, 2024SellTNDMRick CarpenterChief Technology Officer1,289$22.23$1.2B-42.29%+49.30%$28.7K-0.31%16bBuy Now
Nov 15, 2024SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer1,764$23.23$1.2B-42.29%+49.30%$41.0K-2.56%16bBuy Now
Nov 15, 2024SellTNDMJohn F SheridanPRESIDENT & CEO4,690$26.39$1.2B-42.29%+49.30%$123.8K-1.56%Buy Now
Sep 16, 2024SellTNDMRick CarpenterChief Technology Officer145$43.97$1.2B-42.29%+49.30%$6.4K-0.97%Buy Now
Aug 15, 2024SellTNDMSusan MorrisonEVP & Chief Admin. Officer613$43.82$1.2B-42.29%+49.30%$26.9K-0.76%Buy Now
Aug 15, 2024SellTNDMShannon Marie HansenEVP & Chief Legal Officer703$43.82$1.2B-42.29%+49.30%$30.8K-2.17%Buy Now
Aug 15, 2024SellTNDMRick CarpenterChief Technology Officer726$43.82$1.2B-42.29%+49.30%$31.8K-1.98%Buy Now
Aug 15, 2024SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER766$43.82$1.2B-42.29%+49.30%$33.6K-1.07%Buy Now
Aug 15, 2024SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer766$43.82$1.2B-42.29%+49.30%$33.6K-5.08%Buy Now
Aug 15, 2024SellTNDMJohn F SheridanPRESIDENT & CEO4,310$43.82$1.2B-42.29%+49.30%$188.9K-2.22%Buy Now
Jun 17, 2024SellTNDMRick CarpenterChief Technology Officer145$45.33$1.2B-42.29%+49.30%$6.6K-1.05%Buy Now
May 28, 2024SellTNDMSusan MorrisonEVP & Chief Admin. Officer117$51.73$1.2B-42.29%+49.30%$6.1K-0.24%Buy Now
May 28, 2024SellTNDMJames LealChief Manufacturing Officer129$51.73$1.2B-42.29%+49.30%$6.7K-0.39%Buy Now
May 28, 2024SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer134$51.73$1.2B-42.29%+49.30%$6.9K-0.35%Buy Now
May 28, 2024SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER145$51.73$1.2B-42.29%+49.30%$7.5K-0.26%Buy Now
May 28, 2024SellTNDMJohn F SheridanPRESIDENT & CEO416$51.73$1.2B-42.29%+49.30%$21.5K-0.22%Buy Now
May 15, 2024SellTNDMSusan MorrisonEVP & Chief Admin. Officer3,263$34.15$1.2B-42.29%+49.30%$111.4K-0.62%Buy Now
May 15, 2024SellTNDMShannon Marie HansenChief Legal Officer3,040$39.03$1.2B-42.29%+49.30%$118.7K-4.22%Buy Now
May 15, 2024SellTNDMRick CarpenterChief Technology Officer3,060$39.12$1.2B-42.29%+49.30%$119.7K-3.62%Buy Now
May 15, 2024SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer3,187$39.28$1.2B-42.29%+49.30%$125.2K-3.13%Buy Now
May 15, 2024SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER3,732$35.82$1.2B-42.29%+49.30%$133.7K-1.31%Buy Now
May 15, 2024SellTNDMJames LealChief Manufacturing Officer4,322$43.04$1.2B-42.29%+49.30%$186.0K-3.57%Buy Now
May 15, 2024SellTNDMJohn F SheridanPRESIDENT & CEO11,588$44.69$1.2B-42.29%+49.30%$517.9K-4.69%Buy Now
Mar 15, 2024SellTNDMRick CarpenterChief Technology Officer145$28.62$1.2B-42.29%+49.30%$4.1K-1.60%Buy Now
Feb 27, 2024SellTNDMSusan MorrisonEVP & Chief Admin. Officer113$27.34$1.2B-42.29%+49.30%$3.1K-0.71%Buy Now
Feb 27, 2024SellTNDMJames LealChief Manufacturing Officer125$27.34$1.2B-42.29%+49.30%$3.4K-1.11%Buy Now
Feb 27, 2024SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer130$27.34$1.2B-42.29%+49.30%$3.6K-1.88%Buy Now
Feb 27, 2024SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER142$27.34$1.2B-42.29%+49.30%$3.9K-1.05%Buy Now
Feb 27, 2024SellTNDMJohn F SheridanPRESIDENT & CEO293$27.34$1.2B-42.29%+49.30%$8.0K-0.95%Buy Now
Feb 15, 2024SellTNDMShannon Marie HansenChief Legal Officer218$24.29$1.2B-42.29%+49.30%$5.3K-2.71%Buy Now
Feb 15, 2024SellTNDMSusan MorrisonEVP & Chief Admin. Officer218$24.29$1.2B-42.29%+49.30%$5.3K-0.65%Buy Now
Feb 15, 2024SellTNDMRick CarpenterChief Technology Officer245$24.29$1.2B-42.29%+49.30%$6.0K-2.70%Buy Now
Feb 15, 2024SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer262$24.29$1.2B-42.29%+49.30%$6.4K-1.69%Buy Now
Feb 15, 2024SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER262$24.29$1.2B-42.29%+49.30%$6.4K-0.92%Buy Now
Feb 15, 2024SellTNDMJames LealChief Manufacturing Officer454$24.29$1.2B-42.29%+49.30%$11.0K-1.74%Buy Now
Feb 15, 2024SellTNDMJohn F SheridanPRESIDENT & CEO1,242$24.29$1.2B-42.29%+49.30%$30.2K-1.68%Buy Now
Dec 15, 2023SellTNDMRick CarpenterChief Technology Officer141$28.63$1.2B-42.29%+49.30%$4.0K-1.59%Buy Now
Nov 27, 2023SellTNDMSusan MorrisonEVP & Chief Admin. Officer116$19.47$1.2B-42.29%+49.30%$2.3K-0.74%Buy Now
Nov 27, 2023SellTNDMElizabeth Anne GasserEVP, Chief Strategy Officer129$19.47$1.2B-42.29%+49.30%$2.5K-1.93%Buy Now
Nov 27, 2023SellTNDMJames LealChief Manufacturing Officer129$19.47$1.2B-42.29%+49.30%$2.5K-1.19%Buy Now
Nov 27, 2023SellTNDMBrian B HansenEVP & CHIEF COMMERCIAL OFFICER135$19.47$1.2B-42.29%+49.30%$2.6K-0.99%Buy Now
Nov 27, 2023SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER141$19.47$1.2B-42.29%+49.30%$2.7K-1.06%Buy Now
Nov 27, 2023SellTNDMDavid B BergerEVP & Chief Operating Officer141$19.47$1.2B-42.29%+49.30%$2.7K-1.93%Buy Now
Nov 27, 2023SellTNDMJohn F SheridanPRESIDENT & CEO284$19.47$1.2B-42.29%+49.30%$5.5K-0.96%Buy Now
Nov 15, 2023SellTNDMSusan MorrisonEVP & Chief Admin. Officer182$18.20$1.2B-42.29%+49.30%$3.3K-0.56%Buy Now
Nov 15, 2023SellTNDMShannon Marie HansenChief Legal Officer184$18.20$1.2B-42.29%+49.30%$3.3K-2.24%Buy Now
Nov 15, 2023SellTNDMBrian B HansenEVP & CHIEF COMMERCIAL OFFICER212$18.19$1.2B-42.29%+49.30%$3.9K-0.52%Buy Now
Nov 15, 2023SellTNDMDavid B BergerEVP & Chief Operating Officer221$18.20$1.2B-42.29%+49.30%$4.0K-1.39%Buy Now
Nov 15, 2023SellTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER222$18.19$1.2B-42.29%+49.30%$4.0K-0.56%Buy Now
Nov 15, 2023BuyTNDMRick CarpenterChief Technology Officer448$16.73$1.2B-42.29%+49.30%$7.5K+0.25%Buy Now
Nov 15, 2023SellTNDMJames LealChief Manufacturing Officer419$18.10$1.2B-42.29%+49.30%$7.6K-1.11%Buy Now
Nov 15, 2023BuyTNDMElizabeth Anne GasserEVP, Chief Strategy Officer786$16.24$1.2B-42.29%+49.30%$12.8K+1.77%Buy Now
Nov 15, 2023SellTNDMJohn F SheridanPRESIDENT & CEO1,146$17.97$1.2B-42.29%+49.30%$20.6K-0.98%Buy Now
Nov 8, 2023BuyTNDMShannon Marie HansenChief Legal Officer1,935$15.44$1.2B-42.29%+49.30%$29.9KBuy Now
Nov 8, 2023BuyTNDMLeigh VossellerEVP & CHIEF FINANCIAL OFFICER6,200$15.39$1.2B-42.29%+49.30%$95.4K+109.54%Buy Now
Sep 15, 2023SellTNDMRick CarpenterChief Technical Officer141$21.75$1.2B-42.29%+49.30%$3.1K-1.68%Buy Now