DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q1 2019

Shares 51,800 Value ($000) $6,169 Avg Close $35.14 Range $27.58 - $39.04

Q4 2018

Shares 51,800 Value ($000) $6,205 Avg Close $31.72 Range $26.26 - $38.03

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	51,800	$6,169	$35.14	$27.58 - $39.04
Q4 2018	51,800	$6,205	$31.72	$26.26 - $38.03