AMGEN INC

Ticker: AMGN CUSIP: 031162100 Class: COM

Clarkston Capital Partners, LLC's Holding History (CIK: 0001562855)

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

Q4 2025

Shares 646 Value ($000) $211 Avg Close $315.95 Range $281.00 - $346.38

Q1 2025

Shares 646 Value ($000) $201 Avg Close $287.24 Range $248.95 - $327.92

Q3 2024

Shares 646 Value ($000) $208 Avg Close $313.17 Range $292.07 - $330.95

Q2 2024

Shares 646 Value ($000) $202 Avg Close $279.32 Range $246.97 - $311.17

Q4 2023

Shares 796 Value ($000) $229 Avg Close $255.10 Range $232.90 - $271.72

Q4 2019

Shares 900 Value ($000) $217 Avg Close $182.69 Range $155.91 - $203.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	646	$211	$315.95	$281.00 - $346.38
Q1 2025	646	$201	$287.24	$248.95 - $327.92
Q3 2024	646	$208	$313.17	$292.07 - $330.95
Q2 2024	646	$202	$279.32	$246.97 - $311.17
Q4 2023	796	$229	$255.10	$232.90 - $271.72
Q4 2019	900	$217	$182.69	$155.91 - $203.67