AMGEN INC

Ticker: AMGN CUSIP: 031162100 Class: COM

BERKSHIRE ASSET MANAGEMENT LLC/PA's Holding History (CIK: 0000949012)

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

Q4 2025

Shares 27,236 Value ($000) $8,915 Avg Close $315.95 Range $281.00 - $346.38

Q3 2025

Shares 26,880 Value ($000) $7,585 Avg Close $286.59 Range $267.86 - $306.59

Q2 2025

Shares 27,529 Value ($000) $7,686 Avg Close $277.77 Range $255.23 - $307.44

Q1 2025

Shares 27,931 Value ($000) $7,599 Avg Close $287.24 Range $248.95 - $327.92

Q4 2024

Shares 28,621 Value ($000) $7,883 Avg Close $286.05 Range $245.31 - $316.26

Q3 2024

Shares 29,474 Value ($000) $9,209 Avg Close $313.17 Range $292.07 - $330.95

Q2 2024

Shares 29,474 Value ($000) $9,209 Avg Close $279.32 Range $246.97 - $311.17

Q1 2024

Shares 29,439 Value ($000) $8,370 Avg Close $276.08 Range $254.07 - $309.96

Q4 2023

Shares 29,675 Value ($000) $8,547 Avg Close $255.10 Range $232.90 - $271.72

Q3 2023

Shares 29,872 Value ($000) $8,028 Avg Close $231.86 Range $202.11 - $255.21

Q2 2023

Shares 30,232 Value ($000) $6,712 Avg Close $213.65 Range $195.88 - $235.05

Q1 2023

Shares 29,767 Value ($000) $7,196 Avg Close $224.03 Range $206.60 - $251.53

Q4 2022

Shares 29,998 Value ($000) $7,879 Avg Close $242.73 Range $204.31 - $267.70

Q3 2022

Shares 30,200 Value ($000) $6,807 Avg Close $217.87 Range $201.50 - $227.98

Q2 2022

Shares 116,463 Value ($000) $28,335 Avg Close $218.58 Range $201.93 - $231.00

Q1 2022

Shares 114,573 Value ($000) $27,706 Avg Close $203.29 Range $190.45 - $218.06

Q4 2021

Shares 111,842 Value ($000) $25,161 Avg Close $185.15 Range $174.95 - $203.49

Q3 2021

Shares 113,552 Value ($000) $24,147 Avg Close $200.25 Range $184.86 - $217.02

Q2 2021

Shares 112,427 Value ($000) $27,404 Avg Close $212.50 Range $198.84 - $224.64

Q1 2021

Shares 107,727 Value ($000) $26,803 Avg Close $204.69 Range $189.57 - $236.38

Q4 2020

Shares 113,920 Value ($000) $26,193 Avg Close $196.32 Range $178.44 - $219.36

Q3 2020

Shares 105,141 Value ($000) $26,723 Avg Close $209.54 Range $196.05 - $223.35

Q2 2020

Shares 112,582 Value ($000) $26,554 Avg Close $191.68 Range $162.60 - $206.00

Q1 2020

Shares 114,180 Value ($000) $23,148 Avg Close $182.24 Range $148.24 - $202.72

Q4 2019

Shares 109,643 Value ($000) $26,432 Avg Close $182.69 Range $155.91 - $203.67

Q3 2019

Shares 113,188 Value ($000) $21,903 Avg Close $158.01 Range $141.97 - $174.23

Q2 2019

Shares 129,815 Value ($000) $23,922 Avg Close $146.19 Range $135.21 - $160.07

Q1 2019

Shares 129,762 Value ($000) $24,652 Avg Close $154.67 Range $144.94 - $164.86

Q4 2018

Shares 129,689 Value ($000) $25,247 Avg Close $156.83 Range $143.85 - $168.62

Q3 2018

Shares 128,920 Value ($000) $26,724 Avg Close $157.37 Range $145.39 - $168.41

Q2 2018

Shares 123,430 Value ($000) $22,784 Avg Close $140.24 Range $128.97 - $149.68

Q1 2018

Shares 129,468 Value ($000) $22,072 Avg Close $144.43 Range $131.87 - $157.72

Q4 2017

Shares 127,873 Value ($000) $22,237 Avg Close $138.21 Range $131.02 - $147.91

Q3 2017

Shares 117,711 Value ($000) $21,947 Avg Close $137.50 Range $129.63 - $148.76

Q2 2017

Shares 119,201 Value ($000) $20,530 Avg Close $125.35 Range $117.66 - $135.67

Q1 2017

Shares 115,837 Value ($000) $19,005 Avg Close $127.19 Range $112.17 - $141.42

Q4 2016

Shares 111,428 Value ($000) $16,292 Avg Close $114.37 Range $101.21 - $127.75

Q3 2016

Shares 78,060 Value ($000) $13,021 Avg Close $127.72 Range $114.64 - $133.93

Q2 2016

Shares 74,109 Value ($000) $11,276 Avg Close $116.70 Range $108.29 - $123.20

Q1 2016

Shares 86,061 Value ($000) $12,903 Avg Close $110.79 Range $103.99 - $119.01

Q4 2015

Shares 83,130 Value ($000) $13,495 Avg Close $116.50 Range $100.25 - $122.74

Q3 2015

Shares 78,373 Value ($000) $10,841 Avg Close $116.24 Range $96.15 - $133.76

Q2 2015

Shares 75,810 Value ($000) $11,638 Avg Close $117.59 Range $110.98 - $127.09

Q1 2015

Shares 75,198 Value ($000) $12,020 Avg Close $115.04 Range $107.36 - $126.18

Q4 2014

Shares 74,070 Value ($000) $11,799 Avg Close $113.30 Range $92.62 - $126.09

Q3 2014

Shares 75,073 Value ($000) $10,545 Avg Close $94.52 Range $82.98 - $104.80

Q2 2014

Shares 74,766 Value ($000) $8,850 Avg Close $83.37 Range $77.69 - $91.37

Q4 2013

Shares 9,050 Value ($000) $1,032 Avg Close $81.11 Range $75.24 - $85.16

Q3 2013

Shares 8,650 Value ($000) $968 Avg Close $76.98 Range $67.33 - $83.88

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	27,236	$8,915	$315.95	$281.00 - $346.38
Q3 2025	26,880	$7,585	$286.59	$267.86 - $306.59
Q2 2025	27,529	$7,686	$277.77	$255.23 - $307.44
Q1 2025	27,931	$7,599	$287.24	$248.95 - $327.92
Q4 2024	28,621	$7,883	$286.05	$245.31 - $316.26
Q3 2024	29,474	$9,209	$313.17	$292.07 - $330.95
Q2 2024	29,474	$9,209	$279.32	$246.97 - $311.17
Q1 2024	29,439	$8,370	$276.08	$254.07 - $309.96
Q4 2023	29,675	$8,547	$255.10	$232.90 - $271.72
Q3 2023	29,872	$8,028	$231.86	$202.11 - $255.21
Q2 2023	30,232	$6,712	$213.65	$195.88 - $235.05
Q1 2023	29,767	$7,196	$224.03	$206.60 - $251.53
Q4 2022	29,998	$7,879	$242.73	$204.31 - $267.70
Q3 2022	30,200	$6,807	$217.87	$201.50 - $227.98
Q2 2022	116,463	$28,335	$218.58	$201.93 - $231.00
Q1 2022	114,573	$27,706	$203.29	$190.45 - $218.06
Q4 2021	111,842	$25,161	$185.15	$174.95 - $203.49
Q3 2021	113,552	$24,147	$200.25	$184.86 - $217.02
Q2 2021	112,427	$27,404	$212.50	$198.84 - $224.64
Q1 2021	107,727	$26,803	$204.69	$189.57 - $236.38
Q4 2020	113,920	$26,193	$196.32	$178.44 - $219.36
Q3 2020	105,141	$26,723	$209.54	$196.05 - $223.35
Q2 2020	112,582	$26,554	$191.68	$162.60 - $206.00
Q1 2020	114,180	$23,148	$182.24	$148.24 - $202.72
Q4 2019	109,643	$26,432	$182.69	$155.91 - $203.67
Q3 2019	113,188	$21,903	$158.01	$141.97 - $174.23
Q2 2019	129,815	$23,922	$146.19	$135.21 - $160.07
Q1 2019	129,762	$24,652	$154.67	$144.94 - $164.86
Q4 2018	129,689	$25,247	$156.83	$143.85 - $168.62
Q3 2018	128,920	$26,724	$157.37	$145.39 - $168.41
Q2 2018	123,430	$22,784	$140.24	$128.97 - $149.68
Q1 2018	129,468	$22,072	$144.43	$131.87 - $157.72
Q4 2017	127,873	$22,237	$138.21	$131.02 - $147.91
Q3 2017	117,711	$21,947	$137.50	$129.63 - $148.76
Q2 2017	119,201	$20,530	$125.35	$117.66 - $135.67
Q1 2017	115,837	$19,005	$127.19	$112.17 - $141.42
Q4 2016	111,428	$16,292	$114.37	$101.21 - $127.75
Q3 2016	78,060	$13,021	$127.72	$114.64 - $133.93
Q2 2016	74,109	$11,276	$116.70	$108.29 - $123.20
Q1 2016	86,061	$12,903	$110.79	$103.99 - $119.01
Q4 2015	83,130	$13,495	$116.50	$100.25 - $122.74
Q3 2015	78,373	$10,841	$116.24	$96.15 - $133.76
Q2 2015	75,810	$11,638	$117.59	$110.98 - $127.09
Q1 2015	75,198	$12,020	$115.04	$107.36 - $126.18
Q4 2014	74,070	$11,799	$113.30	$92.62 - $126.09
Q3 2014	75,073	$10,545	$94.52	$82.98 - $104.80
Q2 2014	74,766	$8,850	$83.37	$77.69 - $91.37
Q4 2013	9,050	$1,032	$81.11	$75.24 - $85.16
Q3 2013	8,650	$968	$76.98	$67.33 - $83.88