Tandem Diabetes Care, Inc. (TNDM)

NasdaqGM • Currently down 0.53 (-2.59%) in today's trading session

1 member of Congress has disclosed 2 trades in Tandem Diabetes Care, Inc. (TNDM) via STOCK Act filings. The most recent disclosure was a purchase by Gilbert Cisneros on 3 March 2026. Aggregate disclosed activity totals roughly $16K in purchases (midpoint estimates from bracketed disclosure amounts).

Tandem Diabetes Care, Inc. is currently trading at $19.90, positioned at 46% of its 52-week range ($11.46 – $29.65).

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Current Price
$19.90
24h Change
-0.53 (-2.59%)
52 Week Range
$11.46–$29.65
View on NASDAQ

Tandem Diabetes Care, Inc. Price History and Technical Analysis

Interactive Chart

Congressional Trading Activity for TNDM

Select to highlight on chart
2 transactions
Compliance: 100%
Gilbert Cisneros3 Mar 20267 Apr 2026PurchaseStock$1,001 - $15,000-21.13%
Gilbert Cisneros4 Mar 20257 Apr 2025PurchaseStock$1,001 - $15,000N/A

Select transactions to view their annotations on the chart

Stock Overview

Market Data

Market Cap

$1.36B

Volume

1.36M

Beta

1.56

P/E Ratio

-21.40

Fundamentals

EPS

$-0.93

Div. Yield

-

Open

$20.04

Day Range

$19.49 – $20.36

Company Information

Sector
Healthcare
Industry
Medical - Devices
Exchange
NASDAQ · USD
Country
US
CEO
John F. Sheridan
IPO Date
2013-11-14
Website
www.tandemdiabetes.com

Tandem Diabetes Care, Inc., a medical technology firm, specializes in creating, developing, and marketing solutions for individuals globally who manage insulin-dependent diabetes. At the core of its offerings is the t:slim X2 insulin delivery system,...

Earnings

Next Report

Q3 2026

5 Nov

EPS Est.

$-0.26

Rev. Est.

$266.1M

Days Until

59

Recent Quarters

Q2 20266 Aug
EPS$-0.31
Beat 3.4%
Q1 20267 May
EPS$-0.30
Beat 34.8%
Q4 202519 Feb
EPS$-0.01
Beat 80.0%
Q3 20256 Nov
EPS$-0.31
Beat 0.0%
Q2 20256 Aug
EPS$-0.48
Miss 20.0%
Q1 202530 Apr
EPS$-0.67
Miss 11.7%
Q4 202426 Feb
EPS$0.01
Beat 104.3%
Q3 20246 Nov
EPS$-0.35
Beat 12.5%
Q2 20241 Aug
EPS$-0.48
Beat 11.1%
Q1 20242 May
EPS$-0.63
Beat 17.1%
Q4 202321 Feb
EPS$-0.27
Miss 8.0%
Q3 20231 Nov
EPS$-0.38
Miss 11.8%
Q2 20233 Aug
EPS$-0.55
Miss 1.9%
Q1 20233 May
EPS$-1.92
Miss 242.9%
Q4 202222 Feb
EPS$-0.01
Beat 50.0%
Q3 20222 Nov
EPS$-0.76
Miss 1420.0%
Q2 20223 Aug
EPS$-0.24
Miss 1300.0%
Q1 20224 May
EPS$-0.23
Miss 228.6%
Q4 202122 Feb
EPS$0.16
Miss 23.8%
Q3 20213 Nov
EPS$0.09
Beat 50.0%
Q2 20214 Aug
EPS$0.06
Beat 175.0%
Q1 20215 May
EPS$-0.08
Beat 50.0%
Q4 202024 Feb
EPS$0.22
Beat 83.3%
Q3 20205 Nov
EPS$-0.15
Miss 87.5%
Q2 202030 Jul
EPS$-0.45
Miss 87.5%
Q1 202030 Apr
EPS$-0.25
Miss 47.1%
Q4 201924 Feb
EPS$0.04
Beat 180.0%
Q3 20194 Nov
EPS$-0.05
Beat 75.0%
Q2 20191 Aug
EPS$-0.03
Beat 88.0%
Q1 201930 Apr
EPS$-0.40
Miss 42.9%
Q4 201826 Feb
EPS$0.02
Beat 110.0%
Q3 20181 Nov
EPS$-0.62
Miss 82.3%
Q2 201830 Jul
EPS$-1.17
Miss 234.3%
Q1 201826 Apr
EPS$-1.03
Miss 74.6%
Q4 20171 Mar
EPS$-1.22
Beat 6.2%
Q3 201726 Oct
EPS$-3.59
Beat 4.0%
Q2 201727 Jul
EPS$-4.30
Beat 9.5%
Q1 201727 Apr
EPS$-7.70
Miss 22.0%
Q4 20168 Mar
EPS$-5.55
Beat 14.5%
Q3 20161 Nov
EPS$-7.40
Miss 27.1%
Q2 201628 Jul
EPS$-6.00
Beat 7.3%
Q1 201628 Apr
EPS$-6.80
Beat 1.3%
Q4 201524 Feb
EPS$-4.00
Beat 21.9%
Q3 201529 Oct
EPS$-6.50
Beat 18.9%
Q2 201530 Jul
EPS$-6.50
Beat 9.0%
Q1 201530 Apr
EPS$-8.30
Miss 7.8%
Q4 201424 Feb
EPS$-7.80
Beat 3.9%
Q3 20146 Nov
EPS$-8.50
Miss 3.9%
Q2 201431 Jul
EPS$-8.30
Beat 8.6%
Q1 20146 May
EPS$-9.60
Miss 35.6%
Q4 20136 Mar
EPS$-16.00
Miss 22.1%
Q1 201330 Jun
EPS$-12.20
Q4 201231 Mar
EPS$-8.90
Q3 201231 Dec
EPS$-6.82
Q2 201230 Sept
EPS$-5.99

No dividend data available for this stock.

Stock Splits

Split History

10 Oct 2017Reverse Split
Ratio1:10

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Frequently Asked Questions about TNDM

Which members of Congress have traded TNDM?
1 member of Congress has disclosed 2 trade in Tandem Diabetes Care, Inc. (TNDM) under the STOCK Act: Gilbert Cisneros.
When was TNDM most recently disclosed by Congress?
The most recent TNDM disclosure was a purchase by Gilbert Cisneros on 3 March 2026.
What is the total disclosed congressional trading volume for TNDM?
Members of Congress have disclosed approximately $16K in TNDM purchases (midpoint estimate derived from the bracketed amount ranges used in STOCK Act filings).
How can I track new congressional trades in TNDM?
This TNDM page updates as soon as new STOCK Act disclosures are filed for Tandem Diabetes Care, Inc.. Every trade, politician, transaction date and amount range is surfaced above, typically within hours of the official filing appearing on the House or Senate disclosure portals.
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