DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

Headlands Technologies LLC's Holding History (CIK: 0001570271)

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

Q4 2025

Shares 13,006 Value ($000) $863 Avg Close $64.65 Range $54.11 - $72.08

Q3 2025

Shares 19,746 Value ($000) $1,329 Avg Close $79.14 Range $65.18 - $89.98

Q1 2025

Shares 24,587 Value ($000) $1,679 Avg Close $81.60 Range $66.25 - $93.25

Q4 2024

Shares 6,248 Value ($000) $486 Avg Close $74.04 Range $64.76 - $82.26

Q3 2024

Shares 14,868 Value ($000) $997 Avg Close $82.12 Range $62.34 - $117.19

Q3 2023

Shares 1,589 Value ($000) $148 Avg Close $112.73 Range $85.31 - $139.55

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,006	$863	$64.65	$54.11 - $72.08
Q3 2025	19,746	$1,329	$79.14	$65.18 - $89.98
Q1 2025	24,587	$1,679	$81.60	$66.25 - $93.25
Q4 2024	6,248	$486	$74.04	$64.76 - $82.26
Q3 2024	14,868	$997	$82.12	$62.34 - $117.19
Q3 2023	1,589	$148	$112.73	$85.31 - $139.55