AMGEN INC

Ticker: AMGN CUSIP: 031162100 Class: COM

GRANDFIELD & DODD, LLC's Holding History (CIK: 0001308016)

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

Q4 2025

Shares 8,176 Value ($000) $2,676 Avg Close $315.95 Range $281.00 - $346.38

Q3 2025

Shares 8,176 Value ($000) $2,307 Avg Close $286.59 Range $267.86 - $306.59

Q2 2025

Shares 8,176 Value ($000) $2,283 Avg Close $277.77 Range $255.23 - $307.44

Q1 2025

Shares 8,018 Value ($000) $2,498 Avg Close $287.24 Range $248.95 - $327.92

Q4 2024

Shares 8,018 Value ($000) $2,090 Avg Close $286.05 Range $245.31 - $316.26

Q3 2024

Shares 8,293 Value ($000) $2,672 Avg Close $313.17 Range $292.07 - $330.95

Q2 2024

Shares 8,818 Value ($000) $2,755 Avg Close $279.32 Range $246.97 - $311.17

Q1 2024

Shares 8,818 Value ($000) $2,507 Avg Close $276.08 Range $254.07 - $309.96

Q4 2023

Shares 8,813 Value ($000) $2,538 Avg Close $255.10 Range $232.90 - $271.72

Q3 2023

Shares 9,293 Value ($000) $2,498 Avg Close $231.86 Range $202.11 - $255.21

Q2 2023

Shares 9,393 Value ($000) $2,085 Avg Close $213.65 Range $195.88 - $235.05

Q1 2023

Shares 10,389 Value ($000) $2,512 Avg Close $224.03 Range $206.60 - $251.53

Q4 2022

Shares 9,619 Value ($000) $2,526 Avg Close $242.73 Range $204.31 - $267.70

Q3 2022

Shares 9,678 Value ($000) $2,180 Avg Close $217.87 Range $201.50 - $227.98

Q2 2022

Shares 10,379 Value ($000) $2,530 Avg Close $218.58 Range $201.93 - $231.00

Q1 2022

Shares 10,537 Value ($000) $2,550 Avg Close $203.29 Range $190.45 - $218.06

Q4 2021

Shares 10,987 Value ($000) $2,470 Avg Close $185.15 Range $174.95 - $203.49

Q3 2021

Shares 12,043 Value ($000) $2,560 Avg Close $200.25 Range $184.86 - $217.02

Q2 2021

Shares 13,212 Value ($000) $3,220 Avg Close $212.50 Range $198.84 - $224.64

Q1 2021

Shares 13,553 Value ($000) $3,370 Avg Close $204.69 Range $189.57 - $236.38

Q4 2020

Shares 13,725 Value ($000) $3,160 Avg Close $196.32 Range $178.44 - $219.36

Q3 2020

Shares 14,610 Value ($000) $3,710 Avg Close $209.54 Range $196.05 - $223.35

Q2 2020

Shares 15,328 Value ($000) $3,620 Avg Close $191.68 Range $162.60 - $206.00

Q1 2020

Shares 19,610 Value ($000) $3,976 Avg Close $182.24 Range $148.24 - $202.72

Q4 2019

Shares 29,680 Value ($000) $7,155 Avg Close $182.69 Range $155.91 - $203.67

Q3 2019

Shares 30,132 Value ($000) $5,831 Avg Close $158.01 Range $141.97 - $174.23

Q2 2019

Shares 30,759 Value ($000) $5,668 Avg Close $146.19 Range $135.21 - $160.07

Q1 2019

Shares 32,548 Value ($000) $6,183 Avg Close $154.67 Range $144.94 - $164.86

Q4 2018

Shares 33,238 Value ($000) $6,470 Avg Close $156.83 Range $143.85 - $168.62

Q3 2018

Shares 34,282 Value ($000) $7,106 Avg Close $157.37 Range $145.39 - $168.41

Q2 2018

Shares 35,774 Value ($000) $6,604 Avg Close $140.24 Range $128.97 - $149.68

Q1 2018

Shares 37,757 Value ($000) $6,437 Avg Close $144.43 Range $131.87 - $157.72

Q4 2017

Shares 38,919 Value ($000) $6,768 Avg Close $138.21 Range $131.02 - $147.91

Q3 2017

Shares 41,196 Value ($000) $7,681 Avg Close $137.50 Range $129.63 - $148.76

Q2 2017

Shares 49,017 Value ($000) $8,442 Avg Close $125.35 Range $117.66 - $135.67

Q1 2017

Shares 57,375 Value ($000) $9,414 Avg Close $127.19 Range $112.17 - $141.42

Q4 2016

Shares 61,786 Value ($000) $9,034 Avg Close $114.37 Range $101.21 - $127.75

Q3 2016

Shares 64,046 Value ($000) $10,684 Avg Close $127.72 Range $114.64 - $133.93

Q2 2016

Shares 67,931 Value ($000) $10,336 Avg Close $116.70 Range $108.29 - $123.20

Q1 2016

Shares 75,181 Value ($000) $11,272 Avg Close $110.79 Range $103.99 - $119.01

Q4 2015

Shares 82,469 Value ($000) $13,387 Avg Close $116.50 Range $100.25 - $122.74

Q3 2015

Shares 84,487 Value ($000) $11,686 Avg Close $116.24 Range $96.15 - $133.76

Q2 2015

Shares 85,937 Value ($000) $13,193 Avg Close $117.59 Range $110.98 - $127.09

Q1 2015

Shares 94,822 Value ($000) $15,157 Avg Close $115.04 Range $107.36 - $126.18

Q4 2014

Shares 95,072 Value ($000) $15,144 Avg Close $113.30 Range $92.62 - $126.09

Q3 2014

Shares 102,742 Value ($000) $14,431 Avg Close $94.52 Range $82.98 - $104.80

Q2 2014

Shares 101,772 Value ($000) $12,047 Avg Close $83.37 Range $77.69 - $91.37

Q1 2014

Shares 101,647 Value ($000) $12,537 Avg Close $86.89 Range $80.81 - $92.60

Q4 2013

Shares 103,032 Value ($000) $11,754 Avg Close $81.11 Range $75.24 - $85.16

Q3 2013

Shares 104,482 Value ($000) $11,694 Avg Close $76.98 Range $67.33 - $83.88

Q2 2013

Shares 105,657 Value ($000) $10,424 Avg Close $73.34 Range $66.69 - $81.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,176	$2,676	$315.95	$281.00 - $346.38
Q3 2025	8,176	$2,307	$286.59	$267.86 - $306.59
Q2 2025	8,176	$2,283	$277.77	$255.23 - $307.44
Q1 2025	8,018	$2,498	$287.24	$248.95 - $327.92
Q4 2024	8,018	$2,090	$286.05	$245.31 - $316.26
Q3 2024	8,293	$2,672	$313.17	$292.07 - $330.95
Q2 2024	8,818	$2,755	$279.32	$246.97 - $311.17
Q1 2024	8,818	$2,507	$276.08	$254.07 - $309.96
Q4 2023	8,813	$2,538	$255.10	$232.90 - $271.72
Q3 2023	9,293	$2,498	$231.86	$202.11 - $255.21
Q2 2023	9,393	$2,085	$213.65	$195.88 - $235.05
Q1 2023	10,389	$2,512	$224.03	$206.60 - $251.53
Q4 2022	9,619	$2,526	$242.73	$204.31 - $267.70
Q3 2022	9,678	$2,180	$217.87	$201.50 - $227.98
Q2 2022	10,379	$2,530	$218.58	$201.93 - $231.00
Q1 2022	10,537	$2,550	$203.29	$190.45 - $218.06
Q4 2021	10,987	$2,470	$185.15	$174.95 - $203.49
Q3 2021	12,043	$2,560	$200.25	$184.86 - $217.02
Q2 2021	13,212	$3,220	$212.50	$198.84 - $224.64
Q1 2021	13,553	$3,370	$204.69	$189.57 - $236.38
Q4 2020	13,725	$3,160	$196.32	$178.44 - $219.36
Q3 2020	14,610	$3,710	$209.54	$196.05 - $223.35
Q2 2020	15,328	$3,620	$191.68	$162.60 - $206.00
Q1 2020	19,610	$3,976	$182.24	$148.24 - $202.72
Q4 2019	29,680	$7,155	$182.69	$155.91 - $203.67
Q3 2019	30,132	$5,831	$158.01	$141.97 - $174.23
Q2 2019	30,759	$5,668	$146.19	$135.21 - $160.07
Q1 2019	32,548	$6,183	$154.67	$144.94 - $164.86
Q4 2018	33,238	$6,470	$156.83	$143.85 - $168.62
Q3 2018	34,282	$7,106	$157.37	$145.39 - $168.41
Q2 2018	35,774	$6,604	$140.24	$128.97 - $149.68
Q1 2018	37,757	$6,437	$144.43	$131.87 - $157.72
Q4 2017	38,919	$6,768	$138.21	$131.02 - $147.91
Q3 2017	41,196	$7,681	$137.50	$129.63 - $148.76
Q2 2017	49,017	$8,442	$125.35	$117.66 - $135.67
Q1 2017	57,375	$9,414	$127.19	$112.17 - $141.42
Q4 2016	61,786	$9,034	$114.37	$101.21 - $127.75
Q3 2016	64,046	$10,684	$127.72	$114.64 - $133.93
Q2 2016	67,931	$10,336	$116.70	$108.29 - $123.20
Q1 2016	75,181	$11,272	$110.79	$103.99 - $119.01
Q4 2015	82,469	$13,387	$116.50	$100.25 - $122.74
Q3 2015	84,487	$11,686	$116.24	$96.15 - $133.76
Q2 2015	85,937	$13,193	$117.59	$110.98 - $127.09
Q1 2015	94,822	$15,157	$115.04	$107.36 - $126.18
Q4 2014	95,072	$15,144	$113.30	$92.62 - $126.09
Q3 2014	102,742	$14,431	$94.52	$82.98 - $104.80
Q2 2014	101,772	$12,047	$83.37	$77.69 - $91.37
Q1 2014	101,647	$12,537	$86.89	$80.81 - $92.60
Q4 2013	103,032	$11,754	$81.11	$75.24 - $85.16
Q3 2013	104,482	$11,694	$76.98	$67.33 - $83.88
Q2 2013	105,657	$10,424	$73.34	$66.69 - $81.06