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TNDM Insider Trading (Tandem Diabetes Care)

Insider Ownership Percentage: 6.00%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $88,475,049.28

Tandem Diabetes Care Insider Trading History Chart

Tandem Diabetes Care Share Price & Price History

$87.99
▼ -0.01 (-0.01%)
As of 04/9/2021 01:00 AM ET
Days: 30 | 90 | 365
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A new president’s policies always influence key stocks.
Here’s where top billionaires are investing.
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Tandem Diabetes Care Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/16/2021Kim D BlickenstaffDirectorSell200,000$87.27$17,454,000.00
3/11/2021David B BergerEVPSell8,646$90.22$780,042.1213,212  
12/15/2020Kim D BlickenstaffDirectorSell13,598$92.48$1,257,543.04  
12/11/2020Kim D BlickenstaffDirectorSell9,150$93.00$850,950.00  
12/9/2020Kim D BlickenstaffDirectorSell15,850$94.91$1,504,323.50  
12/1/2020Kim D BlickenstaffDirectorSell25,000$97.01$2,425,250.001,500  
11/12/2020Kim D BlickenstaffDirectorSell16,802$106.88$1,795,797.76  
10/13/2020David B BergerEVPSell5,000$119.25$596,250.009,566  
10/13/2020John F SheridanCEOSell15,000$121.31$1,819,650.0018,756  
10/13/2020Leigh VossellerCFOSell10,000$120.87$1,208,700.0014,520  
10/7/2020Brian B HansenEVPSell15,000$117.76$1,766,400.0019,665  
9/29/2020Brian B HansenEVPSell4,489$112.75$506,134.759,154  
9/16/2020Brian B HansenEVPSell10,525$113.00$1,189,325.0015,190  
9/16/2020John F SheridanCEOSell401$110.37$44,258.3713,355  
9/3/2020Brian B HansenEVPSell39,132$111.36$4,357,739.5213,811  
9/2/2020Rebecca B RobertsonDirectorSell9,500$114.14$1,084,330.009,500  
9/1/2020Susan MorrisonEVPSell20,000$114.00$2,280,000.0013,778  
8/28/2020Susan MorrisonEVPSell7,522$114.00$857,508.0013,778  
8/18/2020Kim D BlickenstaffDirectorSell38,250$103.49$3,958,492.50  
8/10/2020Kim D BlickenstaffDirectorSell8,882$103.88$922,662.16  
8/7/2020Kim D BlickenstaffDirectorSell161,244$106.23$17,128,950.12  
8/3/2020Brian B HansenEVPSell23,954$105.86$2,535,770.4412,545  
8/3/2020John F SheridanCEOSell33,200$102.21$3,393,372.005,423  
7/31/2020Christopher J TwomeyDirectorSell7,500$110.04$825,300.00  
7/31/2020Leigh VossellerCFOSell10,000$110.03$1,100,300.0014,520  
7/31/2020Susan MorrisonEVPSell50,000$108.58$5,429,000.0036,256  
7/6/2020David B BergerEVPSell2,000$101.65$203,300.005,886  
7/6/2020Leigh VossellerCFOSell10,000$105.04$1,050,400.0014,520  
7/2/2020Christopher J TwomeyDirectorSell7,500$100.28$752,100.00  
7/2/2020Leigh VossellerCFOSell20,000$97.74$1,954,800.0014,520  
6/30/2020Kim D BlickenstaffDirectorSell50,000$95.57$4,778,500.00  
6/30/2020Leigh VossellerCFOSell10,000$95.04$950,400.0014,520  
5/7/2020Dick AllenDirectorSell3,500$89.00$311,500.00  
5/7/2020Leigh VossellerCFOSell10,000$90.07$900,700.0013,265  
5/4/2020David B BergerEVPSell2,000$78.33$156,660.003,961  
4/30/2020Christopher J TwomeyDirectorSell4,308$80.00$344,640.00  
4/6/2020David B BergerEVPSell2,000$67.59$135,180.005,311  
2/26/2020Dick AllenDirectorSell2,979$78.82$234,804.78  
1/30/2020Brian B HansenEVPSell20,945$77.62$1,625,750.907,046  
1/29/2020Dick AllenDirectorSell10,371$75.93$787,470.031,671  
1/29/2020Kim D BlickenstaffChairmanSell50,000$75.92$3,796,000.00  
1/29/2020Leigh VossellerCFOSell10,000$75.93$759,300.0012,882  
1/16/2020David B BergerEVPSell8,000$67.83$542,640.0011,311  
12/16/2019Kim D BlickenstaffChairmanSell200,000$59.85$11,970,000.00  
11/25/2019John F SheridanCEOSell462$70.00$32,340.002,963  
11/25/2019Leigh VossellerCFOSell10,000$70.35$703,500.0013,265  
11/18/2019Leigh VossellerCFOSell10,000$65.41$654,100.0013,265  
11/4/2019Brian B HansenEVPSell15,000$62.01$930,150.0017,991  
9/6/2019John F SheridanCEOSell9,538$70.03$667,946.1412,039  
9/3/2019David B BergerEVPSell2,000$72.00$144,000.005,311  
8/29/2019Kim D BlickenstaffChairmanSell100,000$70.96$7,096,000.00  
8/28/2019Douglas A RoederDirectorSell308,297$70.32$21,679,445.04  
8/27/2019Brian B HansenEVPSell6,969$70.00$487,830.009,960  
8/13/2019Edward L CahillDirectorSell1,417$63.03$89,313.515,399  
8/12/2019Brian B HansenEVPSell15,000$62.97$944,550.0017,991  
8/5/2019David B BergerEVPSell2,000$62.56$125,120.005,311  
8/5/2019Howard E Greene JrDirectorSell10,000$61.50$615,000.00  
8/2/2019Brian B HansenEVPSell5,000$70.01$350,050.007,991  
8/2/2019Douglas A RoederDirectorSell9,471$70.01$663,064.71  
7/11/2019Brian B HansenEVPSell13,031$70.04$912,691.2416,022  
7/11/2019Douglas A RoederDirectorSell13,347$70.08$935,357.76  
7/3/2019David B BergerEVPSell2,000$63.60$127,200.005,311  
6/13/2019Douglas A RoederDirectorSell35,688$70.07$2,500,658.16  
6/3/2019David B BergerEVPSell2,000$67.76$135,520.005,311  
5/16/2019Leigh VossellerCFOSell10,000$70.45$704,500.0012,009  
5/3/2019David B BergerEVPSell2,000$63.09$126,180.003,765  
5/3/2019Leigh VossellerCFOSell10,000$65.14$651,400.0012,009  
5/2/2019Dick AllenDirectorSell17,000$61.34$1,042,780.00  
4/3/2019David B BergerEVPSell2,000$62.60$125,200.003,765  
3/15/2019Brian B HansenEVPSell10,000$72.00$720,000.0011,381  
3/11/2019Kim D BlickenstaffInsiderSell200,000$64.95$12,990,000.00  
3/8/2019Dick AllenDirectorSell6,300$62.73$395,199.00  
3/1/2019Susan MorrisonCAOSell60,000$67.79$4,067,400.0053,745  
2/28/2019Howard E Greene JrDirectorSell10,000$65.39$653,900.00  
2/27/2019John F SheridanEVPSell20,000$62.03$1,240,600.0018,999  
1/25/2019John F SheridanEVPSell20,000$45.26$905,200.0020,666  
1/15/2019Brian B HansenEVPSell25,000$41.54$1,038,500.0026,381  
1/8/2019David B BergerEVPSell10,000$40.08$400,800.0011,765  
1/2/2019John F SheridanEVPSell20,788$35.76$743,378.88  
12/12/2018Brian B HansenEVPSell25,000$37.75$943,750.0026,381  
12/6/2018David B BergerEVPSell11,493$34.54$396,968.2211,765  
11/7/2018Kim D BlickenstaffCEOSell198,000$37.01$7,327,980.00  
11/5/2018Richard P ValenciaDirectorBuy1,300$37.75$49,075.00  
8/3/2018Richard P ValenciaDirectorBuy1,754$28.50$49,989.001,754  
See Full Table

SEC Filings (Institutional Ownership Changes) for Tandem Diabetes Care (NASDAQ:TNDM)

88.60% of Tandem Diabetes Care stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Tandem Diabetes Care Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in Company
4/7/2021Hodges Capital Management Inc.15,790$1.39M0.2%-6.2%0.025%
3/10/2021Los Angeles Capital Management LLC2,607$0.25M0.0%-22.9%0.004%
3/9/2021Amundi Pioneer Asset Management Inc.1,100$0.11M0.0%-97.9%0.002%
3/8/2021Dimensional Fund Advisors LP63,323$6.06M0.0%+9.5%0.101%
3/4/2021Eaton Vance Management342,526$32.77M0.1%+22.8%0.548%
3/2/2021Norges Bank617,583$59.09M0.0%N/A1.014%
3/1/2021UBS Asset Management Americas Inc.208,927$19.99M0.0%+2.8%0.343%
2/25/2021Dimensional Fund Advisors LP63,323$6.06M0.0%+9.5%0.104%
2/25/2021Hsbc Holdings PLC8,530$0.81M0.0%+11.3%0.014%
2/23/2021WCM Investment Management LLC72,108$6.90M0.0%+0.3%0.118%
2/23/2021Principal Financial Group Inc.24,105$2.31M0.0%-7.1%0.040%
2/22/2021Retirement Group LLC1,999$0.20M0.1%N/A0.003%
2/19/2021JPMorgan Chase & Co.44,631$4.27M0.0%-68.0%0.073%
2/18/2021Strategic Wealth Partners Ltd.5,639$0.54M0.2%+187.3%0.009%
2/18/2021Truist Financial Corp6,078$0.58M0.0%-5.5%0.010%
2/17/2021Canada Pension Plan Investment Board4,124$0.40M0.0%+22.6%0.007%
2/17/2021Cetera Advisors LLC6,066$0.58M0.0%+57.4%0.010%
2/16/2021Morgan Stanley480,957$46.02M0.0%+422.5%0.790%
2/16/2021Paloma Partners Management Co2,729$0.26M0.0%-80.3%0.004%
2/16/2021Knights of Columbus Asset Advisors LLC24,853$2.38M0.3%+100.6%0.041%
2/16/2021Nuveen Asset Management LLC380,291$36.39M0.0%+9.7%0.624%
2/16/2021Brown Capital Management LLC1,223,209$117.04M0.8%+0.4%2.008%
2/16/2021WCM Investment Management LLC72,108$6.90M0.0%+0.3%0.118%
2/16/2021Pier Capital LLC66,080$6.32M0.7%+3.6%0.108%
2/16/2021Price T Rowe Associates Inc. MD1,371,380$131.21M0.0%+3.2%2.252%
2/16/2021Amundi Pioneer Asset Management Inc.1,100$0.11M0.0%-97.9%0.002%
2/16/2021Virginia Retirement Systems ET AL8,700$0.83M0.0%-5.4%0.014%
2/16/2021Engineers Gate Manager LP31,650$3.03M0.1%+98.0%0.052%
2/16/2021Apis Capital Advisors LLC17,000$1.63M1.6%N/A0.028%
2/16/2021Capital International Ltd.37,510$3.59M0.2%+128.5%0.062%
2/16/2021Charles Schwab Investment Management Inc.440,843$42.18M0.0%+3.6%0.724%
2/13/2021Essex Investment Management Co. LLC29,251$2.80M0.3%-15.7%0.048%
2/12/2021Stifel Financial Corp24,711$2.37M0.0%-7.1%0.041%
2/12/2021Federated Hermes Inc.1,273,925$121.89M0.2%-2.4%2.092%
2/12/2021Raymond James Financial Services Advisors Inc.6,732$0.64M0.0%-33.6%0.011%
2/12/2021LPL Financial LLC21,834$2.09M0.0%-3.5%0.036%
2/12/2021Amalgamated Bank11,721$1.12M0.0%+2.0%0.019%
2/12/2021Public Employees Retirement System of Ohio31,082$2.97M0.0%+27.3%0.051%
2/12/2021Montag A & Associates Inc.325$31K0.0%N/A0.001%
2/12/2021Credit Suisse AG1,405,725$134.50M0.1%+88.2%2.308%
2/12/2021Cibc World Markets Corp54,200$5.19M0.0%N/A0.089%
2/12/2021Eaton Vance Management342,526$32.77M0.1%+22.8%0.562%
2/12/2021Vontobel Holding Ltd.3,930$0.40M0.0%N/A0.006%
2/12/2021Kennedy Capital Management Inc.59,858$5.73M0.1%+29.1%0.098%
2/12/2021Next Century Growth Investors LLC102,582$9.82M0.8%-14.8%0.168%
2/12/2021Jackson Square Partners LLC3,186,987$304.93M1.2%N/A5.233%
2/12/2021M&T Bank Corp5,292$0.51M0.0%-20.6%0.009%
2/12/2021Mercer Global Advisors Inc. ADV11,197$1.07M0.0%+4.1%0.018%
2/11/2021Fuller & Thaler Asset Management Inc.85,780$8.21M0.1%+2.2%0.141%
2/11/2021Trexquant Investment LP3,090$0.30M0.0%-82.8%0.005%
2/11/2021Northern Trust Corp294,842$28.21M0.0%+0.1%0.484%
2/11/2021Columbia Asset Management6,180$0.59M0.1%-16.3%0.010%
2/11/2021First Mercantile Trust Co.3,855$0.37M0.0%-10.4%0.006%
2/11/2021Barclays PLC95,996$9.19M0.0%+11.9%0.158%
2/11/2021Teacher Retirement System of Texas5,211$0.50M0.0%+61.2%0.009%
2/11/2021Westpac Banking Corp69,369$6.64M0.1%-6.2%0.114%
2/11/2021Oppenheimer & Co. Inc.5,439$0.52M0.0%-37.5%0.009%
2/10/2021Rhumbline Advisers65,935$6.31M0.0%-1.0%0.108%
2/10/2021Renaissance Technologies LLC316,427$30.28M0.0%-28.6%0.520%
2/10/2021Stephens Investment Management Group LLC586,506$56.12M0.8%-2.2%0.963%
2/10/2021Nicholas Company Inc.91,143$8.72M0.2%+62.0%0.150%
2/10/2021Cookson Peirce & Co. Inc.3,150$0.30M0.0%N/A0.005%
2/10/2021Baillie Gifford & Co.295,445$28.27M0.0%+0.1%0.485%
2/10/2021Aviva PLC11,625$1.11M0.0%-44.8%0.019%
2/9/2021Greenwood Capital Associates LLC6,109$0.59M0.1%+11.8%0.010%
2/9/2021Duality Advisers LP9,258$0.89M0.1%N/A0.015%
2/9/2021Seven Eight Capital LP3,114$0.30M0.1%-71.9%0.005%
2/9/2021Bank of New York Mellon Corp224,349$21.47M0.0%-0.3%0.368%
2/9/2021Arkadios Wealth Advisors1,131$0.11M0.0%N/A0.002%
2/9/2021Illinois Municipal Retirement Fund10,851$1.04M0.0%+86.8%0.018%
2/9/2021Sigma Planning Corp3,986$0.38M0.0%+6.5%0.007%
2/9/2021Lord Abbett & CO. LLC138,971$13.30M0.0%-67.4%0.228%
2/9/2021Chartwell Investment Partners LLC17,514$1.68M0.1%-18.5%0.029%
2/9/2021CI Investments Inc.5,352$0.51M0.0%+90.7%0.009%
2/9/2021Landscape Capital Management L.L.C.12,692$1.21M0.2%N/A0.021%
2/8/2021Royce & Associates LP67,086$6.42M0.1%+90.1%0.110%
2/8/2021Vident Investment Advisory LLC5,000$0.48M0.0%N/A0.008%
2/8/2021Beacon Investment Advisory Services Inc.9,404$0.90M0.0%+49.0%0.015%
2/8/2021State Board of Administration of Florida Retirement System76,088$7.28M0.0%+8.0%0.125%
2/8/2021New York State Common Retirement Fund263,485$25.21M0.0%-6.5%0.433%
2/8/2021Resources Investment Advisors LLC.5,413$0.52M0.0%-35.0%0.009%
2/8/2021Sei Investments Co.552,088$52.83M0.1%+1,022.5%0.906%
2/8/2021Delphi Management Partners VIII L.L.C.1,000,000$95.68M62.9%N/A1.642%
2/8/2021FIL Ltd139,573$13.36M0.0%+36.0%0.223%
2/8/2021Russell Investments Group Ltd.87,373$8.35M0.0%-45.5%0.143%
2/6/2021Jennison Associates LLC546,576$52.30M0.0%-3.2%0.897%
2/5/2021Banque Cantonale Vaudoise2,929$0.28M0.0%+5.9%0.005%
2/5/2021BlackRock Inc.3,479,490$332.92M0.0%+1.6%5.713%
2/5/2021Aperio Group LLC2,771$0.27M0.0%-19.5%0.005%
2/5/2021Swiss National Bank130,800$12.52M0.0%+1.1%0.215%
2/5/2021Redwood Investments LLC118,397$11.33M1.0%-11.6%0.194%
2/5/2021Sumitomo Mitsui Trust Holdings Inc.3,076$0.29M0.0%-78.2%0.005%
2/5/2021SG Americas Securities LLC51,981$4.97M0.0%+50.6%0.085%
2/5/2021US Bancorp DE795$76K0.0%+16.4%0.001%
2/4/2021Foundry Partners LLC19,569$1.87M0.1%-36.0%0.032%
2/4/2021Cambridge Investment Research Advisors Inc.7,560$0.72M0.0%+128.3%0.012%
2/4/2021State of Wisconsin Investment Board64,466$6.17M0.0%-10.1%0.106%
2/3/2021State of New Jersey Common Pension Fund D37,126$3.55M0.0%-4.7%0.061%
2/2/2021Treasurer of the State of North Carolina22,250$2.13M0.0%+2.3%0.037%
2/2/2021California Public Employees Retirement System133,719$12.79M0.0%+7.4%0.220%
Data available starting January 2016

See Full Table
Tandem Diabetes Care logo
Tandem Diabetes Care, Inc., a medical device company, designs, develops, and commercializes various products for people with insulin-dependent diabetes in the United States. The company's flagship product is the t:slim X2 insulin delivery system, a pump platform that comprises t:slim X2 pump, its 300-unit disposable insulin cartridge, and an infusion set. It also provides t:slim X2 insulin with Basal-IQ and control IQ technology; t:slim X2 with G5 Integration; and Tandem Device Updater, a tool that allows users to update their pump's software. In addition, the company offers t:connect, a web-based data management application, which provides a visual way to display diabetes therapy management data from the pump, continuous glucose monitoring, and supported blood glucose meters for users, their caregivers, and their healthcare providers; and Sugarmate, a mobile app for people with diabetes who use insulin. Its products in development include t:sport insulin delivery system; and connected (mobile) health offerings. Tandem Diabetes Care, Inc. has a development and commercialization agreement with Dexcom, Inc. The company was formerly known as Phluid Inc. and changed its name to Tandem Diabetes Care, Inc. in January 2008. Tandem Diabetes Care, Inc. was incorporated in 2006 and is headquartered in San Diego, California.
Read More

Today's Range

Now: $87.99
$86.77
$88.23

50 Day Range

MA: $89.15
$81.28
$99.68

52 Week Range

Now: $87.99
$64.52
$123.74

Volume

676,442 shs

Average Volume

792,313 shs

Market Capitalization

$5.50 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.31

Who are the company insiders with the largest holdings of Tandem Diabetes Care?

Tandem Diabetes Care's top insider investors include:
  1. Susan Morrison (EVP)
  2. Brian B Hansen (EVP)
  3. John F Sheridan (CEO)
  4. Leigh Vosseller (CFO)
  5. David B Berger (EVP)
  6. Rebecca B Robertson (Director)
  7. Edward L Cahill (Director)
  8. Dick Allen (Director)
  9. Kim D Blickenstaff (Director)
  10. Christopher J Twomey (Director)
  11. Douglas A Roeder (Director)
  12. Howard E Greene Jr (Director)
  13. Kim D Blickenstaff (Chairman)

Who are the major institutional investors of Tandem Diabetes Care?

Tandem Diabetes Care's top institutional investors include:
  1. Hodges Capital Management Inc. — 0.03%

Which institutional investors are selling Tandem Diabetes Care stock?

In the last quarter, TNDM stock was sold by these institutional investors:
  1. Hodges Capital Management Inc.
In the last year, company insiders that have sold Tandem Diabetes Care company stock include:
  1. Susan Morrison (EVP)
  2. Brian B Hansen (EVP)
  3. John F Sheridan (CEO)
  4. Leigh Vosseller (CFO)
  5. David B Berger (EVP)
  6. Rebecca B Robertson (Director)
  7. Edward L Cahill (Director)
  8. Dick Allen (Director)
  9. Kim D Blickenstaff (Director)
Tiny Gold Firm Stuns Wall Street with High-Grade Gold Discovery
Surrounded by the operations of NYSE-listed gold giants, see how this tiny exploration firm planted its flag in the sweet spot of an emerging gold area-play in Canada’s richest mineral belt. Trading below US$0.25 per share and hitting high-grade gold with each turn of the drill, what’s not to like?
Get the details here...
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