AMGEN INC

Ticker: AMGN CUSIP: 031162100 Class: COM

OBSIDIAN CIO, LLC's Holding History (CIK: 0001843581)

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

Q4 2025

Shares 219 Value ($000) $72 Avg Close $315.95 Range $281.00 - $346.38

Q3 2025

Shares 739 Value ($000) $208 Avg Close $286.59 Range $267.86 - $306.59

Q2 2025

Shares 774 Value ($000) $216 Avg Close $277.77 Range $255.23 - $307.44

Q1 2025

Shares 663 Value ($000) $207 Avg Close $287.24 Range $248.95 - $327.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	219	$72	$315.95	$281.00 - $346.38
Q3 2025	739	$208	$286.59	$267.86 - $306.59
Q2 2025	774	$216	$277.77	$255.23 - $307.44
Q1 2025	663	$207	$287.24	$248.95 - $327.92