DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

SummitTX Capital, L.P.'s Holding History (CIK: 0002052310)

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

Q4 2025

Shares 3,554 Value ($000) $236 Avg Close $64.65 Range $54.11 - $72.08

Q3 2025

Shares 33,174 Value ($000) $2,232 Avg Close $79.14 Range $65.18 - $89.98

Q2 2025

Shares 36,495 Value ($000) $3,186 Avg Close $78.38 Range $57.52 - $88.32

Q1 2025

Shares 20,011 Value ($000) $1,367 Avg Close $81.60 Range $66.25 - $93.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,554	$236	$64.65	$54.11 - $72.08
Q3 2025	33,174	$2,232	$79.14	$65.18 - $89.98
Q2 2025	36,495	$3,186	$78.38	$57.52 - $88.32
Q1 2025	20,011	$1,367	$81.60	$66.25 - $93.25