TANDEM DIABETES CARE INC

Ticker: TNDM CUSIP: 875372203 Class: EQTY

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q3 2025

Shares 18,754 Value ($000) $228 Avg Close $13.54 Range $9.98 - $18.13

Q1 2025

Shares 38,159 Value ($000) $731 Avg Close $29.26 Range $17.64 - $38.28

Q4 2024

Shares 97,690 Value ($000) $3,519 Avg Close $33.83 Range $27.15 - $42.70

Q3 2024

Shares 68,110 Value ($000) $2,889 Avg Close $42.40 Range $34.60 - $48.24

Q2 2024

Shares 37,921 Value ($000) $1,528 Avg Close $41.72 Range $30.12 - $53.69

Q1 2024

Shares 76,030 Value ($000) $2,692 Avg Close $26.79 Range $21.85 - $36.09

Q4 2023

Shares 7,925 Value ($000) $234 Avg Close $20.75 Range $13.82 - $31.45

Q1 2023

Shares 6,514 Value ($000) $265 Avg Close $41.40 Range $35.27 - $47.17

Q4 2022

Shares 9,673 Value ($000) $435 Avg Close $45.27 Range $33.52 - $58.82

Q3 2022

Shares 15,217 Value ($000) $728 Avg Close $54.82 Range $42.90 - $70.81

Q2 2022

Shares 9,136 Value ($000) $541 Avg Close $82.09 Range $52.69 - $123.96

Q1 2022

Shares 16,237 Value ($000) $1,888 Avg Close $116.75 Range $100.00 - $150.64

Q4 2021

Shares 3,845 Value ($000) $579 Avg Close $134.98 Range $116.21 - $155.86

Q3 2021

Shares 3,519 Value ($000) $420 Avg Close $110.18 Range $92.17 - $130.73

Q2 2021

Shares 11,245 Value ($000) $1,095 Avg Close $89.17 Range $76.19 - $100.80

Q2 2020

Shares 1,031 Value ($000) $102 Avg Close $79.79 Range $59.24 - $99.33

Q4 2019

Shares 4,696 Value ($000) $280 Avg Close $61.67 Range $52.31 - $71.99

Q3 2019

Shares 194 Value ($000) $11 Avg Close $63.83 Range $56.69 - $74.30

Q2 2019

Shares 112 Value ($000) $7 Avg Close $64.54 Range $51.37 - $72.19

Q1 2019

Shares 11,050 Value ($000) $702 Avg Close $52.53 Range $32.00 - $74.81

Q4 2018

Shares 17,472 Value ($000) $663 Avg Close $35.31 Range $26.40 - $44.10

Q3 2018

Shares 1,081 Value ($000) $46 Avg Close $34.92 Range $20.08 - $52.55

Q2 2018

Shares 2,471 Value ($000) $54 Avg Close $12.30 Range $4.75 - $25.50

Q1 2018

Shares 8,840 Value ($000) $44 Avg Close $3.22 Range $2.14 - $5.23

Q4 2017

Shares 37 Value ($000) $0 Avg Close $3.14 Range $2.15 - $8.88

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	18,754	$228	$13.54	$9.98 - $18.13
Q1 2025	38,159	$731	$29.26	$17.64 - $38.28
Q4 2024	97,690	$3,519	$33.83	$27.15 - $42.70
Q3 2024	68,110	$2,889	$42.40	$34.60 - $48.24
Q2 2024	37,921	$1,528	$41.72	$30.12 - $53.69
Q1 2024	76,030	$2,692	$26.79	$21.85 - $36.09
Q4 2023	7,925	$234	$20.75	$13.82 - $31.45
Q1 2023	6,514	$265	$41.40	$35.27 - $47.17
Q4 2022	9,673	$435	$45.27	$33.52 - $58.82
Q3 2022	15,217	$728	$54.82	$42.90 - $70.81
Q2 2022	9,136	$541	$82.09	$52.69 - $123.96
Q1 2022	16,237	$1,888	$116.75	$100.00 - $150.64
Q4 2021	3,845	$579	$134.98	$116.21 - $155.86
Q3 2021	3,519	$420	$110.18	$92.17 - $130.73
Q2 2021	11,245	$1,095	$89.17	$76.19 - $100.80
Q2 2020	1,031	$102	$79.79	$59.24 - $99.33
Q4 2019	4,696	$280	$61.67	$52.31 - $71.99
Q3 2019	194	$11	$63.83	$56.69 - $74.30
Q2 2019	112	$7	$64.54	$51.37 - $72.19
Q1 2019	11,050	$702	$52.53	$32.00 - $74.81
Q4 2018	17,472	$663	$35.31	$26.40 - $44.10
Q3 2018	1,081	$46	$34.92	$20.08 - $52.55
Q2 2018	2,471	$54	$12.30	$4.75 - $25.50
Q1 2018	8,840	$44	$3.22	$2.14 - $5.23
Q4 2017	37	$0	$3.14	$2.15 - $8.88