TANDEM DIABETES CARE INC

Ticker: TNDM CUSIP: 875372203 Class: EQTY

Calamos Advisors LLC's Holding History (CIK: 0001316507)

Note: Option positions (PUT/CALL) are excluded.

Q1 2022

Shares 20,349 Value ($000) $2,366 Avg Close $116.75 Range $100.00 - $150.64

Q4 2021

Shares 7,661 Value ($000) $1,153 Avg Close $134.98 Range $116.21 - $155.86

Q3 2020

Shares 42,160 Value ($000) $4,785 Avg Close $105.07 Range $91.93 - $116.89

Q2 2020

Shares 35,777 Value ($000) $3,539 Avg Close $79.79 Range $59.24 - $99.33

Q1 2020

Shares 30,914 Value ($000) $1,989 Avg Close $70.07 Range $43.69 - $91.65

Q3 2019

Shares 106,390 Value ($000) $6,274 Avg Close $63.83 Range $56.69 - $74.30

Q2 2019

Shares 136,347 Value ($000) $8,798 Avg Close $64.54 Range $51.37 - $72.19

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	20,349	$2,366	$116.75	$100.00 - $150.64
Q4 2021	7,661	$1,153	$134.98	$116.21 - $155.86
Q3 2020	42,160	$4,785	$105.07	$91.93 - $116.89
Q2 2020	35,777	$3,539	$79.79	$59.24 - $99.33
Q1 2020	30,914	$1,989	$70.07	$43.69 - $91.65
Q3 2019	106,390	$6,274	$63.83	$56.69 - $74.30
Q2 2019	136,347	$8,798	$64.54	$51.37 - $72.19