DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2025

Shares 1,914 Value ($000) $127 Avg Close $64.65 Range $54.11 - $72.08

Q3 2025

Shares 29,677 Value ($000) $1,997 Avg Close $79.14 Range $65.18 - $89.98

Q1 2025

Shares 6 Value ($000) $0 Avg Close $81.60 Range $66.25 - $93.25

Q4 2024

Shares 6 Value ($000) $0 Avg Close $74.04 Range $64.76 - $82.26

Q2 2024

Shares 5,013 Value ($000) $568 Avg Close $126.43 Range $108.71 - $141.99

Q1 2024

Shares 6,065 Value ($000) $841 Avg Close $125.70 Range $113.05 - $142.00

Q3 2023

Shares 27,705 Value ($000) $2,585 Avg Close $112.73 Range $85.31 - $139.55

Q2 2023

Shares 60 Value ($000) $8 Avg Close $120.95 Range $110.90 - $134.14

Q1 2023

Shares 60 Value ($000) $7 Avg Close $111.94 Range $102.50 - $123.14

Q4 2022

Shares 60 Value ($000) $7 Avg Close $109.79 Range $81.06 - $125.55

Q3 2022

Shares 25,705 Value ($000) $2,070 Avg Close $84.70 Range $73.93 - $94.60

Q2 2022

Shares 9,117 Value ($000) $679 Avg Close $91.26 Range $66.89 - $134.76

Q1 2022

Shares 3,777 Value ($000) $1,932 Avg Close $109.39 Range $91.43 - $133.20

Q4 2021

Shares 7,682 Value ($000) $4,125 Avg Close $143.69 Range $127.62 - $164.86

Q3 2021

Shares 40,669 Value ($000) $22,240 Avg Close $126.11 Range $105.19 - $144.75

Q2 2021

Shares 10,195 Value ($000) $4,353 Avg Close $96.03 Range $79.61 - $109.91

Q1 2021

Shares 82,840 Value ($000) $29,772 Avg Close $93.87 Range $84.28 - $105.85

Q4 2020

Shares 31,811 Value ($000) $11,761 Avg Close $89.29 Range $76.41 - $105.00

Q3 2020

Shares 29,150 Value ($000) $12,017 Avg Close $104.48 Range $93.91 - $114.06

Q2 2020

Shares 7,516 Value ($000) $3,047 Avg Close $89.45 Range $62.50 - $107.15

Q1 2020

Shares 6,138 Value ($000) $1,653 Avg Close $62.23 Range $45.52 - $76.68

Q3 2018

Shares 38 Value ($000) $5 Avg Close $31.00 Range $23.08 - $37.14

Q4 2017

Shares 6,551 Value ($000) $376 Avg Close $13.00 Range $10.94 - $15.59

Q3 2017

Shares 3,495 Value ($000) $171 Avg Close $17.68 Range $10.65 - $19.73

Q1 2017

Shares 294 Value ($000) $25 Avg Close $19.52 Range $14.42 - $22.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,914	$127	$64.65	$54.11 - $72.08
Q3 2025	29,677	$1,997	$79.14	$65.18 - $89.98
Q1 2025	6	$0	$81.60	$66.25 - $93.25
Q4 2024	6	$0	$74.04	$64.76 - $82.26
Q2 2024	5,013	$568	$126.43	$108.71 - $141.99
Q1 2024	6,065	$841	$125.70	$113.05 - $142.00
Q3 2023	27,705	$2,585	$112.73	$85.31 - $139.55
Q2 2023	60	$8	$120.95	$110.90 - $134.14
Q1 2023	60	$7	$111.94	$102.50 - $123.14
Q4 2022	60	$7	$109.79	$81.06 - $125.55
Q3 2022	25,705	$2,070	$84.70	$73.93 - $94.60
Q2 2022	9,117	$679	$91.26	$66.89 - $134.76
Q1 2022	3,777	$1,932	$109.39	$91.43 - $133.20
Q4 2021	7,682	$4,125	$143.69	$127.62 - $164.86
Q3 2021	40,669	$22,240	$126.11	$105.19 - $144.75
Q2 2021	10,195	$4,353	$96.03	$79.61 - $109.91
Q1 2021	82,840	$29,772	$93.87	$84.28 - $105.85
Q4 2020	31,811	$11,761	$89.29	$76.41 - $105.00
Q3 2020	29,150	$12,017	$104.48	$93.91 - $114.06
Q2 2020	7,516	$3,047	$89.45	$62.50 - $107.15
Q1 2020	6,138	$1,653	$62.23	$45.52 - $76.68
Q3 2018	38	$5	$31.00	$23.08 - $37.14
Q4 2017	6,551	$376	$13.00	$10.94 - $15.59
Q3 2017	3,495	$171	$17.68	$10.65 - $19.73
Q1 2017	294	$25	$19.52	$14.42 - $22.20