AMGEN INC

Ticker: AMGN CUSIP: 031162100 Class: COM

Great Diamond Partners, LLC's Holding History (CIK: 0001801112)

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

Q4 2025

Shares 10,371 Value ($000) $3,395 Avg Close $315.95 Range $281.00 - $346.38

Q3 2025

Shares 10,547 Value ($000) $2,976 Avg Close $286.59 Range $267.86 - $306.59

Q2 2025

Shares 10,573 Value ($000) $2,952 Avg Close $277.77 Range $255.23 - $307.44

Q1 2025

Shares 10,528 Value ($000) $3,280 Avg Close $287.24 Range $248.95 - $327.92

Q4 2024

Shares 14,202 Value ($000) $3,702 Avg Close $286.05 Range $245.31 - $316.26

Q3 2024

Shares 14,427 Value ($000) $4,649 Avg Close $313.17 Range $292.07 - $330.95

Q2 2024

Shares 14,973 Value ($000) $4,678 Avg Close $279.32 Range $246.97 - $311.17

Q1 2024

Shares 15,017 Value ($000) $4,270 Avg Close $276.08 Range $254.07 - $309.96

Q4 2023

Shares 15,177 Value ($000) $4,371 Avg Close $255.10 Range $232.90 - $271.72

Q3 2023

Shares 15,201 Value ($000) $4,085 Avg Close $231.86 Range $202.11 - $255.21

Q2 2023

Shares 15,173 Value ($000) $3,369 Avg Close $213.65 Range $195.88 - $235.05

Q1 2023

Shares 15,233 Value ($000) $3,683 Avg Close $224.03 Range $206.60 - $251.53

Q4 2022

Shares 15,914 Value ($000) $4,180 Avg Close $242.73 Range $204.31 - $267.70

Q3 2022

Shares 15,957 Value ($000) $3,596 Avg Close $217.87 Range $201.50 - $227.98

Q2 2022

Shares 16,002 Value ($000) $3,893 Avg Close $218.58 Range $201.93 - $231.00

Q1 2022

Shares 15,987 Value ($000) $3,865 Avg Close $203.29 Range $190.45 - $218.06

Q4 2021

Shares 15,591 Value ($000) $3,507 Avg Close $185.15 Range $174.95 - $203.49

Q3 2021

Shares 17,931 Value ($000) $3,813 Avg Close $200.25 Range $184.86 - $217.02

Q2 2021

Shares 17,574 Value ($000) $4,283 Avg Close $212.50 Range $198.84 - $224.64

Q1 2021

Shares 17,643 Value ($000) $4,389 Avg Close $204.69 Range $189.57 - $236.38

Q4 2020

Shares 19,879 Value ($000) $4,568 Avg Close $196.32 Range $178.44 - $219.36

Q3 2020

Shares 21,158 Value ($000) $5,377 Avg Close $209.54 Range $196.05 - $223.35

Q2 2020

Shares 21,130 Value ($000) $4,983 Avg Close $191.68 Range $162.60 - $206.00

Q1 2020

Shares 25,690 Value ($000) $5,208 Avg Close $182.24 Range $148.24 - $202.72

Q4 2019

Shares 26,129 Value ($000) $6,298 Avg Close $182.69 Range $155.91 - $203.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,371	$3,395	$315.95	$281.00 - $346.38
Q3 2025	10,547	$2,976	$286.59	$267.86 - $306.59
Q2 2025	10,573	$2,952	$277.77	$255.23 - $307.44
Q1 2025	10,528	$3,280	$287.24	$248.95 - $327.92
Q4 2024	14,202	$3,702	$286.05	$245.31 - $316.26
Q3 2024	14,427	$4,649	$313.17	$292.07 - $330.95
Q2 2024	14,973	$4,678	$279.32	$246.97 - $311.17
Q1 2024	15,017	$4,270	$276.08	$254.07 - $309.96
Q4 2023	15,177	$4,371	$255.10	$232.90 - $271.72
Q3 2023	15,201	$4,085	$231.86	$202.11 - $255.21
Q2 2023	15,173	$3,369	$213.65	$195.88 - $235.05
Q1 2023	15,233	$3,683	$224.03	$206.60 - $251.53
Q4 2022	15,914	$4,180	$242.73	$204.31 - $267.70
Q3 2022	15,957	$3,596	$217.87	$201.50 - $227.98
Q2 2022	16,002	$3,893	$218.58	$201.93 - $231.00
Q1 2022	15,987	$3,865	$203.29	$190.45 - $218.06
Q4 2021	15,591	$3,507	$185.15	$174.95 - $203.49
Q3 2021	17,931	$3,813	$200.25	$184.86 - $217.02
Q2 2021	17,574	$4,283	$212.50	$198.84 - $224.64
Q1 2021	17,643	$4,389	$204.69	$189.57 - $236.38
Q4 2020	19,879	$4,568	$196.32	$178.44 - $219.36
Q3 2020	21,158	$5,377	$209.54	$196.05 - $223.35
Q2 2020	21,130	$4,983	$191.68	$162.60 - $206.00
Q1 2020	25,690	$5,208	$182.24	$148.24 - $202.72
Q4 2019	26,129	$6,298	$182.69	$155.91 - $203.67