DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

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

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

Q4 2025

Shares 16,361 Value ($000) $1,086 Avg Close $64.65 Range $54.11 - $72.08

Q3 2025

Shares 3,204 Value ($000) $216 Avg Close $79.14 Range $65.18 - $89.98

Q1 2025

Shares 3,823 Value ($000) $261 Avg Close $81.60 Range $66.25 - $93.25

Q2 2024

Shares 15,189 Value ($000) $1,722 Avg Close $126.43 Range $108.71 - $141.99

Q1 2024

Shares 16,190 Value ($000) $2,246 Avg Close $125.70 Range $113.05 - $142.00

Q3 2023

Shares 17,664 Value ($000) $1,648 Avg Close $112.73 Range $85.31 - $139.55

Q1 2023

Shares 3,085 Value ($000) $358 Avg Close $111.94 Range $102.50 - $123.14

Q4 2022

Shares 12,872 Value ($000) $1,458 Avg Close $109.79 Range $81.06 - $125.55

Q3 2022

Shares 15,044 Value ($000) $1,212 Avg Close $84.70 Range $73.93 - $94.60

Q2 2022

Shares 15,419 Value ($000) $1,149 Avg Close $91.26 Range $66.89 - $134.76

Q1 2022

Shares 5,293 Value ($000) $2,708 Avg Close $109.39 Range $91.43 - $133.20

Q4 2021

Shares 1,540 Value ($000) $827 Avg Close $143.69 Range $127.62 - $164.86

Q3 2021

Shares 1,537 Value ($000) $841 Avg Close $126.11 Range $105.19 - $144.75

Q4 2020

Shares 943 Value ($000) $349 Avg Close $89.29 Range $76.41 - $105.00

Q3 2020

Shares 1,792 Value ($000) $739 Avg Close $104.48 Range $93.91 - $114.06

Q2 2020

Shares 1,311 Value ($000) $531 Avg Close $89.45 Range $62.50 - $107.15

Q1 2019

Shares 7,960 Value ($000) $948 Avg Close $35.14 Range $27.58 - $39.04

Q4 2018

Shares 10,843 Value ($000) $1,299 Avg Close $31.72 Range $26.26 - $38.03

Q3 2018

Shares 8,106 Value ($000) $1,159 Avg Close $31.00 Range $23.08 - $37.14

Q2 2018

Shares 10,876 Value ($000) $1,033 Avg Close $21.20 Range $17.38 - $25.52

Q1 2018

Shares 11,945 Value ($000) $886 Avg Close $14.79 Range $12.76 - $18.82

Q1 2016

Shares 1,421 Value ($000) $97 Avg Close $16.70 Range $11.98 - $20.97

Q4 2015

Shares 7 Value ($000) $1 Avg Close $20.81 Range $17.57 - $22.36

Q4 2014

Shares 700 Value ($000) $39 Avg Close $12.24 Range $9.69 - $14.58

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	16,361	$1,086	$64.65	$54.11 - $72.08
Q3 2025	3,204	$216	$79.14	$65.18 - $89.98
Q1 2025	3,823	$261	$81.60	$66.25 - $93.25
Q2 2024	15,189	$1,722	$126.43	$108.71 - $141.99
Q1 2024	16,190	$2,246	$125.70	$113.05 - $142.00
Q3 2023	17,664	$1,648	$112.73	$85.31 - $139.55
Q1 2023	3,085	$358	$111.94	$102.50 - $123.14
Q4 2022	12,872	$1,458	$109.79	$81.06 - $125.55
Q3 2022	15,044	$1,212	$84.70	$73.93 - $94.60
Q2 2022	15,419	$1,149	$91.26	$66.89 - $134.76
Q1 2022	5,293	$2,708	$109.39	$91.43 - $133.20
Q4 2021	1,540	$827	$143.69	$127.62 - $164.86
Q3 2021	1,537	$841	$126.11	$105.19 - $144.75
Q4 2020	943	$349	$89.29	$76.41 - $105.00
Q3 2020	1,792	$739	$104.48	$93.91 - $114.06
Q2 2020	1,311	$531	$89.45	$62.50 - $107.15
Q1 2019	7,960	$948	$35.14	$27.58 - $39.04
Q4 2018	10,843	$1,299	$31.72	$26.26 - $38.03
Q3 2018	8,106	$1,159	$31.00	$23.08 - $37.14
Q2 2018	10,876	$1,033	$21.20	$17.38 - $25.52
Q1 2018	11,945	$886	$14.79	$12.76 - $18.82
Q1 2016	1,421	$97	$16.70	$11.98 - $20.97
Q4 2015	7	$1	$20.81	$17.57 - $22.36
Q4 2014	700	$39	$12.24	$9.69 - $14.58