AMGEN INC

Ticker: AMGN CUSIP: 031162100 Class: COM

Choate Investment Advisors's Holding History (CIK: 0001399794)

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

Q4 2025

Shares 14,575 Value ($000) $4,771 Avg Close $315.95 Range $281.00 - $346.38

Q3 2025

Shares 14,482 Value ($000) $4,087 Avg Close $286.59 Range $267.86 - $306.59

Q2 2025

Shares 16,227 Value ($000) $4,531 Avg Close $277.77 Range $255.23 - $307.44

Q1 2025

Shares 15,127 Value ($000) $4,713 Avg Close $287.24 Range $248.95 - $327.92

Q4 2024

Shares 15,990 Value ($000) $4,168 Avg Close $286.05 Range $245.31 - $316.26

Q3 2024

Shares 17,569 Value ($000) $5,661 Avg Close $313.17 Range $292.07 - $330.95

Q2 2024

Shares 17,924 Value ($000) $5,600 Avg Close $279.32 Range $246.97 - $311.17

Q1 2024

Shares 17,986 Value ($000) $5,114 Avg Close $276.08 Range $254.07 - $309.96

Q4 2023

Shares 18,984 Value ($000) $5,468 Avg Close $255.10 Range $232.90 - $271.72

Q3 2023

Shares 18,004 Value ($000) $4,839 Avg Close $231.86 Range $202.11 - $255.21

Q2 2023

Shares 17,601 Value ($000) $3,908 Avg Close $213.65 Range $195.88 - $235.05

Q1 2023

Shares 14,064 Value ($000) $3,400 Avg Close $224.03 Range $206.60 - $251.53

Q4 2022

Shares 14,103 Value ($000) $3,704 Avg Close $242.73 Range $204.31 - $267.70

Q3 2022

Shares 14,015 Value ($000) $3,159 Avg Close $217.87 Range $201.50 - $227.98

Q2 2022

Shares 14,166 Value ($000) $3,446 Avg Close $218.58 Range $201.93 - $231.00

Q1 2022

Shares 14,772 Value ($000) $3,573 Avg Close $203.29 Range $190.45 - $218.06

Q4 2021

Shares 15,052 Value ($000) $3,386 Avg Close $185.15 Range $174.95 - $203.49

Q3 2021

Shares 15,968 Value ($000) $3,395 Avg Close $200.25 Range $184.86 - $217.02

Q2 2021

Shares 16,629 Value ($000) $4,053 Avg Close $212.50 Range $198.84 - $224.64

Q1 2021

Shares 17,603 Value ($000) $4,380 Avg Close $204.69 Range $189.57 - $236.38

Q4 2020

Shares 17,476 Value ($000) $4,018 Avg Close $196.32 Range $178.44 - $219.36

Q3 2020

Shares 17,561 Value ($000) $4,463 Avg Close $209.54 Range $196.05 - $223.35

Q2 2020

Shares 17,823 Value ($000) $4,204 Avg Close $191.68 Range $162.60 - $206.00

Q1 2020

Shares 18,088 Value ($000) $3,667 Avg Close $182.24 Range $148.24 - $202.72

Q4 2019

Shares 19,014 Value ($000) $4,584 Avg Close $182.69 Range $155.91 - $203.67

Q3 2019

Shares 19,012 Value ($000) $3,679 Avg Close $158.01 Range $141.97 - $174.23

Q2 2019

Shares 19,773 Value ($000) $3,644 Avg Close $146.19 Range $135.21 - $160.07

Q1 2019

Shares 19,783 Value ($000) $3,758 Avg Close $154.67 Range $144.94 - $164.86

Q4 2018

Shares 22,509 Value ($000) $4,382 Avg Close $156.83 Range $143.85 - $168.62

Q3 2018

Shares 23,495 Value ($000) $4,870 Avg Close $157.37 Range $145.39 - $168.41

Q2 2018

Shares 23,209 Value ($000) $4,284 Avg Close $140.24 Range $128.97 - $149.68

Q1 2018

Shares 24,003 Value ($000) $4,092,031 Avg Close $144.43 Range $131.87 - $157.72

Q4 2017

Shares 24,266 Value ($000) $4,219,858 Avg Close $138.21 Range $131.02 - $147.91

Q3 2017

Shares 24,068 Value ($000) $4,487,479 Avg Close $137.50 Range $129.63 - $148.76

Q2 2017

Shares 24,720 Value ($000) $4,257,526 Avg Close $125.35 Range $117.66 - $135.67

Q1 2017

Shares 25,461 Value ($000) $4,177,386 Avg Close $127.19 Range $112.17 - $141.42

Q4 2016

Shares 25,656 Value ($000) $3,751,163 Avg Close $114.37 Range $101.21 - $127.75

Q3 2016

Shares 25,717 Value ($000) $4,289,853 Avg Close $127.72 Range $114.64 - $133.93

Q2 2016

Shares 25,460 Value ($000) $3,873,739 Avg Close $116.70 Range $108.29 - $123.20

Q1 2016

Shares 28,234 Value ($000) $4,233,123 Avg Close $110.79 Range $103.99 - $119.01

Q4 2015

Shares 25,823 Value ($000) $4,125,521 Avg Close $116.50 Range $100.25 - $122.74

Q3 2015

Shares 25,186 Value ($000) $3,483,727 Avg Close $116.24 Range $96.15 - $133.76

Q2 2015

Shares 24,936 Value ($000) $3,828,174 Avg Close $117.59 Range $110.98 - $127.09

Q1 2015

Shares 25,562 Value ($000) $4,086,086 Avg Close $115.04 Range $107.36 - $126.18

Q4 2014

Shares 26,053 Value ($000) $4,149,983 Avg Close $113.30 Range $92.62 - $126.09

Q3 2014

Shares 26,789 Value ($000) $3,762,783 Avg Close $94.52 Range $82.98 - $104.80

Q2 2014

Shares 28,650 Value ($000) $3,391,300 Avg Close $83.37 Range $77.69 - $91.37

Q1 2014

Shares 29,734 Value ($000) $3,667,424 Avg Close $86.89 Range $80.81 - $92.60

Q4 2013

Shares 31,831 Value ($000) $3,631,280 Avg Close $81.11 Range $75.24 - $85.16

Q3 2013

Shares 33,334 Value ($000) $3,730,908 Avg Close $76.98 Range $67.33 - $83.88

Q2 2013

Shares 32,621 Value ($000) $3,218,388 Avg Close $73.34 Range $66.69 - $81.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,575	$4,771	$315.95	$281.00 - $346.38
Q3 2025	14,482	$4,087	$286.59	$267.86 - $306.59
Q2 2025	16,227	$4,531	$277.77	$255.23 - $307.44
Q1 2025	15,127	$4,713	$287.24	$248.95 - $327.92
Q4 2024	15,990	$4,168	$286.05	$245.31 - $316.26
Q3 2024	17,569	$5,661	$313.17	$292.07 - $330.95
Q2 2024	17,924	$5,600	$279.32	$246.97 - $311.17
Q1 2024	17,986	$5,114	$276.08	$254.07 - $309.96
Q4 2023	18,984	$5,468	$255.10	$232.90 - $271.72
Q3 2023	18,004	$4,839	$231.86	$202.11 - $255.21
Q2 2023	17,601	$3,908	$213.65	$195.88 - $235.05
Q1 2023	14,064	$3,400	$224.03	$206.60 - $251.53
Q4 2022	14,103	$3,704	$242.73	$204.31 - $267.70
Q3 2022	14,015	$3,159	$217.87	$201.50 - $227.98
Q2 2022	14,166	$3,446	$218.58	$201.93 - $231.00
Q1 2022	14,772	$3,573	$203.29	$190.45 - $218.06
Q4 2021	15,052	$3,386	$185.15	$174.95 - $203.49
Q3 2021	15,968	$3,395	$200.25	$184.86 - $217.02
Q2 2021	16,629	$4,053	$212.50	$198.84 - $224.64
Q1 2021	17,603	$4,380	$204.69	$189.57 - $236.38
Q4 2020	17,476	$4,018	$196.32	$178.44 - $219.36
Q3 2020	17,561	$4,463	$209.54	$196.05 - $223.35
Q2 2020	17,823	$4,204	$191.68	$162.60 - $206.00
Q1 2020	18,088	$3,667	$182.24	$148.24 - $202.72
Q4 2019	19,014	$4,584	$182.69	$155.91 - $203.67
Q3 2019	19,012	$3,679	$158.01	$141.97 - $174.23
Q2 2019	19,773	$3,644	$146.19	$135.21 - $160.07
Q1 2019	19,783	$3,758	$154.67	$144.94 - $164.86
Q4 2018	22,509	$4,382	$156.83	$143.85 - $168.62
Q3 2018	23,495	$4,870	$157.37	$145.39 - $168.41
Q2 2018	23,209	$4,284	$140.24	$128.97 - $149.68
Q1 2018	24,003	$4,092,031	$144.43	$131.87 - $157.72
Q4 2017	24,266	$4,219,858	$138.21	$131.02 - $147.91
Q3 2017	24,068	$4,487,479	$137.50	$129.63 - $148.76
Q2 2017	24,720	$4,257,526	$125.35	$117.66 - $135.67
Q1 2017	25,461	$4,177,386	$127.19	$112.17 - $141.42
Q4 2016	25,656	$3,751,163	$114.37	$101.21 - $127.75
Q3 2016	25,717	$4,289,853	$127.72	$114.64 - $133.93
Q2 2016	25,460	$3,873,739	$116.70	$108.29 - $123.20
Q1 2016	28,234	$4,233,123	$110.79	$103.99 - $119.01
Q4 2015	25,823	$4,125,521	$116.50	$100.25 - $122.74
Q3 2015	25,186	$3,483,727	$116.24	$96.15 - $133.76
Q2 2015	24,936	$3,828,174	$117.59	$110.98 - $127.09
Q1 2015	25,562	$4,086,086	$115.04	$107.36 - $126.18
Q4 2014	26,053	$4,149,983	$113.30	$92.62 - $126.09
Q3 2014	26,789	$3,762,783	$94.52	$82.98 - $104.80
Q2 2014	28,650	$3,391,300	$83.37	$77.69 - $91.37
Q1 2014	29,734	$3,667,424	$86.89	$80.81 - $92.60
Q4 2013	31,831	$3,631,280	$81.11	$75.24 - $85.16
Q3 2013	33,334	$3,730,908	$76.98	$67.33 - $83.88
Q2 2013	32,621	$3,218,388	$73.34	$66.69 - $81.06