DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2022

Shares 13,963 Value ($000) $7,143 Avg Close $109.39 Range $91.43 - $133.20

Q4 2021

Shares 14,510 Value ($000) $7,791 Avg Close $143.69 Range $127.62 - $164.86

Q3 2021

Shares 14,824 Value ($000) $8,106 Avg Close $126.11 Range $105.19 - $144.75

Q2 2021

Shares 15,252 Value ($000) $6,513 Avg Close $96.03 Range $79.61 - $109.91

Q1 2021

Shares 15,994 Value ($000) $5,748 Avg Close $93.87 Range $84.28 - $105.85

Q4 2020

Shares 16,106 Value ($000) $5,955 Avg Close $89.29 Range $76.41 - $105.00

Q3 2020

Shares 16,292 Value ($000) $6,716 Avg Close $104.48 Range $93.91 - $114.06

Q2 2020

Shares 23,306 Value ($000) $9,448 Avg Close $89.45 Range $62.50 - $107.15

Q1 2020

Shares 3,654 Value ($000) $984 Avg Close $62.23 Range $45.52 - $76.68

Q1 2019

Shares 2,644 Value ($000) $315 Avg Close $35.14 Range $27.58 - $39.04

Q4 2018

Shares 30,816 Value ($000) $3,692 Avg Close $31.72 Range $26.26 - $38.03

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	13,963	$7,143	$109.39	$91.43 - $133.20
Q4 2021	14,510	$7,791	$143.69	$127.62 - $164.86
Q3 2021	14,824	$8,106	$126.11	$105.19 - $144.75
Q2 2021	15,252	$6,513	$96.03	$79.61 - $109.91
Q1 2021	15,994	$5,748	$93.87	$84.28 - $105.85
Q4 2020	16,106	$5,955	$89.29	$76.41 - $105.00
Q3 2020	16,292	$6,716	$104.48	$93.91 - $114.06
Q2 2020	23,306	$9,448	$89.45	$62.50 - $107.15
Q1 2020	3,654	$984	$62.23	$45.52 - $76.68
Q1 2019	2,644	$315	$35.14	$27.58 - $39.04
Q4 2018	30,816	$3,692	$31.72	$26.26 - $38.03