Simplex Trading, LLC Tandem Diabetes Care Inc Transaction History

Simplex Trading, LLC

$175 Billion
Q2 2025

A detailed history of Simplex Trading, LLC transactions in Tandem Diabetes Care Inc stock. As of the latest transaction made, Simplex Trading, LLC holds 10,434 shares of TNDM stock, worth $139,085. This represents 0.0% of its overall portfolio holdings.

Number of Shares

10,434

Previous 1,503 594.21%

Holding current value

$139,085

Previous $28,000 592.86%

% of portfolio

0.0%

Previous 0.0%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 05, 2025	BUY	$16.35 - $23.52 $146,021 - $210,057	8,931 Added 594.21%	10,434 $194,000
Q1 2025 May 12, 2025	BUY	$17.89 - $37.53 $26,888 - $56,407	1,503 New	1,503 $28,000
Q4 2023 Feb 02, 2024	BUY	$14.28 - $31.03 $282,758 - $614,425	19,801 New	19,801 $585,000
Q4 2022 Feb 02, 2023	BUY	$35.49 - $56.15 $643,469 - $1.02 Million	18,131 New	18,131 $814,000
Q2 2022 Aug 03, 2022	SELL	$53.22 - $123.09 $91,165 - $210,853	-1,713 Closed	0 $0
Q1 2022 May 02, 2022	BUY	$101.89 - $150.09 $174,537 - $257,104	1,713 New	1,713 $199,000
Q1 2021 Apr 26, 2021	SELL	$81.28 - $104.34 $349,341 - $448,453	-4,298 Closed	0 $0
Q4 2020 Feb 02, 2021	BUY	$86.4 - $121.75 $371,347 - $523,281	4,298 New	4,298 $411,000
Q3 2020 Oct 14, 2020	SELL	$95.43 - $116.09 $718,969 - $874,622	-7,534 Closed	0 $0
Q2 2020 Jul 13, 2020	SELL	$60.05 - $98.92 $726,064 - $1.2 Million	-12,091 Reduced 61.61%	7,534 $745,000
Q1 2020 Apr 29, 2020	BUY	$47.37 - $90.04 $379,575 - $721,490	8,013 Added 69.01%	19,625 $1.26 Million
Q4 2019 Feb 05, 2020	BUY	$53.13 - $71.19 $616,945 - $826,658	11,612 New	11,612 $692,000
Q2 2019 Jul 26, 2019	SELL	$54.41 - $71.7 $4,352 - $5,736	-80 Closed	0 $0
Q1 2019 Apr 18, 2019	BUY	$32.25 - $73.56 $2,580 - $5,884	80 New	80 $0
Q4 2018 Jan 16, 2019	SELL	$28.45 - $40.65 $5,690 - $8,130	-200 Closed	0 $0
Q3 2018 Oct 23, 2018	BUY	$21.39 - $51.17 $2,139 - $5,117	100 Added 100.0%	200 $8,000
Q2 2018 Jul 30, 2018	BUY	$4.9 - $23.64 $490 - $2,364	100 New	100 $2,000

Others Institutions Holding TNDM

# of Institutions

302

Shares Held

79M

Call Options Held

2.87M

Put Options Held

134K

View Full List

About TANDEM DIABETES CARE INC

Ticker TNDM
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 64,221,200
Market Cap $856M
Description
Tandem Diabetes Care, Inc., a medical device company, designs, develops, and commercializes various products for people with insulin-dependent diabetes in the United States and internationally. 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 c...

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Simplex Trading, LLC Tandem Diabetes Care Inc Transaction History