AMGEN INC

Ticker: AMGN CUSIP: 031162100 Class: COM

HEADINVEST, LLC's Holding History (CIK: 0001372130)

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

Q4 2025

Shares 1,634 Value ($000) $535 Avg Close $315.95 Range $281.00 - $346.38

Q3 2023

Shares 509 Value ($000) $136 Avg Close $231.86 Range $202.11 - $255.21

Q1 2014

Shares 5,350 Value ($000) $660 Avg Close $86.89 Range $80.81 - $92.60

Q4 2013

Shares 5,350 Value ($000) $610 Avg Close $81.11 Range $75.24 - $85.16

Q3 2013

Shares 5,350 Value ($000) $599 Avg Close $76.98 Range $67.33 - $83.88

Q2 2013

Shares 5,350 Value ($000) $528 Avg Close $73.34 Range $66.69 - $81.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,634	$535	$315.95	$281.00 - $346.38
Q3 2023	509	$136	$231.86	$202.11 - $255.21
Q1 2014	5,350	$660	$86.89	$80.81 - $92.60
Q4 2013	5,350	$610	$81.11	$75.24 - $85.16
Q3 2013	5,350	$599	$76.98	$67.33 - $83.88
Q2 2013	5,350	$528	$73.34	$66.69 - $81.06