PFIZER INC

Ticker: PFE CUSIP: 717081103 Class: COM

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

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

Q4 2025

Shares 12,785 Value ($000) $318 Avg Close $25.03 Range $23.73 - $27.21

Q3 2025

Shares 13,827 Value ($000) $352 Avg Close $24.14 Range $22.71 - $25.66

Q2 2025

Shares 17,589 Value ($000) $426 Avg Close $22.35 Range $19.83 - $24.10

Q1 2025

Shares 21,955 Value ($000) $556 Avg Close $24.71 Range $23.33 - $25.82

Q4 2024

Shares 22,650 Value ($000) $601 Avg Close $25.12 Range $22.83 - $27.94

Q3 2024

Shares 27,439 Value ($000) $794 Avg Close $26.68 Range $24.72 - $28.96

Q2 2024

Shares 26,741 Value ($000) $748 Avg Close $24.77 Range $22.48 - $26.92

Q1 2024

Shares 26,587 Value ($000) $738 Avg Close $24.65 Range $22.84 - $26.61

Q4 2023

Shares 27,872 Value ($000) $802 Avg Close $26.40 Range $22.64 - $29.58

Q3 2023

Shares 31,839 Value ($000) $1,081 Avg Close $30.57 Range $27.55 - $32.42

Q2 2023

Shares 32,265 Value ($000) $1,163 Avg Close $33.22 Range $30.67 - $35.82

Q1 2023

Shares 31,175 Value ($000) $1,272 Avg Close $36.55 Range $33.28 - $43.38

Q4 2022

Shares 45,348 Value ($000) $2,324 Avg Close $40.19 Range $34.55 - $46.18

Q3 2022

Shares 46,099 Value ($000) $2,017 Avg Close $40.41 Range $36.27 - $44.60

Q2 2022

Shares 45,049 Value ($000) $2,362 Avg Close $42.00 Range $38.28 - $46.21

Q1 2022

Shares 44,538 Value ($000) $2,306 Avg Close $42.47 Range $37.25 - $47.67

Q4 2021

Shares 44,257 Value ($000) $2,613 Avg Close $40.23 Range $33.04 - $50.25

Q3 2021

Shares 44,232 Value ($000) $1,902 Avg Close $35.67 Range $31.14 - $41.86

Q2 2021

Shares 44,238 Value ($000) $1,732 Avg Close $30.99 Range $28.33 - $32.57

Q1 2021

Shares 44,813 Value ($000) $1,623 Avg Close $28.04 Range $26.42 - $29.64

Q4 2020

Shares 44,237 Value ($000) $1,628 Avg Close $28.63 Range $25.46 - $33.76

Q3 2020

Shares 41,696 Value ($000) $1,530 Avg Close $27.11 Range $24.12 - $28.77

Q2 2020

Shares 38,541 Value ($000) $1,260 Avg Close $25.99 Range $22.75 - $28.30

Q1 2020

Shares 32,461 Value ($000) $1,060 Avg Close $25.83 Range $20.12 - $29.26

Q4 2019

Shares 31,259 Value ($000) $1,225 Avg Close $26.71 Range $24.48 - $28.30

Q3 2019

Shares 30,679 Value ($000) $1,102 Avg Close $27.02 Range $24.03 - $31.23

Q2 2019

Shares 30,560 Value ($000) $1,324 Avg Close $29.22 Range $26.69 - $31.04

Q1 2019

Shares 29,960 Value ($000) $1,272 Avg Close $29.24 Range $27.18 - $30.42

Q4 2018

Shares 59,920 Value ($000) $2,616 Avg Close $30.03 Range $27.84 - $32.00

Q3 2018

Shares 30,060 Value ($000) $1,325 Avg Close $27.65 Range $24.39 - $30.38

Q2 2018

Shares 30,005 Value ($000) $1,089 Avg Close $24.30 Range $23.06 - $25.01

Q1 2018

Shares 30,131 Value ($000) $1,069 Avg Close $24.24 Range $22.28 - $26.22

Q4 2017

Shares 30,281 Value ($000) $1,097 Avg Close $23.80 Range $22.47 - $24.83

Q3 2017

Shares 30,281 Value ($000) $1,062 Avg Close $22.25 Range $21.30 - $23.86

Q2 2017

Shares 30,976 Value ($000) $1,040 Avg Close $21.60 Range $20.67 - $22.50

Q1 2017

Shares 31,076 Value ($000) $1,063 Avg Close $21.41 Range $19.77 - $22.46

Q4 2016

Shares 31,266 Value ($000) $1,016 Avg Close $20.50 Range $18.90 - $21.64

Q3 2016

Shares 27,566 Value ($000) $926 Avg Close $22.26 Range $21.09 - $23.49

Q2 2016

Shares 27,566 Value ($000) $971 Avg Close $21.05 Range $18.31 - $22.30

Q1 2016

Shares 28,066 Value ($000) $832 Avg Close $18.68 Range $17.59 - $19.87

Q4 2015

Shares 28,066 Value ($000) $906 Avg Close $20.38 Range $19.02 - $22.06

Q3 2015

Shares 28,471 Value ($000) $894 Avg Close $20.60 Range $17.41 - $22.12

Q2 2015

Shares 31,374 Value ($000) $1,052 Avg Close $20.78 Range $20.15 - $21.38

Q1 2015

Shares 31,374 Value ($000) $1,091 Avg Close $20.10 Range $18.50 - $21.33

Q4 2014

Shares 31,174 Value ($000) $971 Avg Close $17.97 Range $16.27 - $19.76

Q3 2014

Shares 31,174 Value ($000) $934 Avg Close $17.45 Range $16.48 - $18.35

Q2 2014

Shares 31,365 Value ($000) $931 Avg Close $17.55 Range $16.87 - $18.99

Q1 2014

Shares 31,638 Value ($000) $1,016 Avg Close $18.20 Range $17.09 - $19.15

Q4 2013

Shares 31,838 Value ($000) $975 Avg Close $17.62 Range $16.02 - $18.73

Q3 2013

Shares 32,140 Value ($000) $923 Avg Close $16.36 Range $15.50 - $17.26

Q2 2013

Shares 31,840 Value ($000) $892 Avg Close $16.46 Range $15.38 - $17.52

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,785	$318	$25.03	$23.73 - $27.21
Q3 2025	13,827	$352	$24.14	$22.71 - $25.66
Q2 2025	17,589	$426	$22.35	$19.83 - $24.10
Q1 2025	21,955	$556	$24.71	$23.33 - $25.82
Q4 2024	22,650	$601	$25.12	$22.83 - $27.94
Q3 2024	27,439	$794	$26.68	$24.72 - $28.96
Q2 2024	26,741	$748	$24.77	$22.48 - $26.92
Q1 2024	26,587	$738	$24.65	$22.84 - $26.61
Q4 2023	27,872	$802	$26.40	$22.64 - $29.58
Q3 2023	31,839	$1,081	$30.57	$27.55 - $32.42
Q2 2023	32,265	$1,163	$33.22	$30.67 - $35.82
Q1 2023	31,175	$1,272	$36.55	$33.28 - $43.38
Q4 2022	45,348	$2,324	$40.19	$34.55 - $46.18
Q3 2022	46,099	$2,017	$40.41	$36.27 - $44.60
Q2 2022	45,049	$2,362	$42.00	$38.28 - $46.21
Q1 2022	44,538	$2,306	$42.47	$37.25 - $47.67
Q4 2021	44,257	$2,613	$40.23	$33.04 - $50.25
Q3 2021	44,232	$1,902	$35.67	$31.14 - $41.86
Q2 2021	44,238	$1,732	$30.99	$28.33 - $32.57
Q1 2021	44,813	$1,623	$28.04	$26.42 - $29.64
Q4 2020	44,237	$1,628	$28.63	$25.46 - $33.76
Q3 2020	41,696	$1,530	$27.11	$24.12 - $28.77
Q2 2020	38,541	$1,260	$25.99	$22.75 - $28.30
Q1 2020	32,461	$1,060	$25.83	$20.12 - $29.26
Q4 2019	31,259	$1,225	$26.71	$24.48 - $28.30
Q3 2019	30,679	$1,102	$27.02	$24.03 - $31.23
Q2 2019	30,560	$1,324	$29.22	$26.69 - $31.04
Q1 2019	29,960	$1,272	$29.24	$27.18 - $30.42
Q4 2018	59,920	$2,616	$30.03	$27.84 - $32.00
Q3 2018	30,060	$1,325	$27.65	$24.39 - $30.38
Q2 2018	30,005	$1,089	$24.30	$23.06 - $25.01
Q1 2018	30,131	$1,069	$24.24	$22.28 - $26.22
Q4 2017	30,281	$1,097	$23.80	$22.47 - $24.83
Q3 2017	30,281	$1,062	$22.25	$21.30 - $23.86
Q2 2017	30,976	$1,040	$21.60	$20.67 - $22.50
Q1 2017	31,076	$1,063	$21.41	$19.77 - $22.46
Q4 2016	31,266	$1,016	$20.50	$18.90 - $21.64
Q3 2016	27,566	$926	$22.26	$21.09 - $23.49
Q2 2016	27,566	$971	$21.05	$18.31 - $22.30
Q1 2016	28,066	$832	$18.68	$17.59 - $19.87
Q4 2015	28,066	$906	$20.38	$19.02 - $22.06
Q3 2015	28,471	$894	$20.60	$17.41 - $22.12
Q2 2015	31,374	$1,052	$20.78	$20.15 - $21.38
Q1 2015	31,374	$1,091	$20.10	$18.50 - $21.33
Q4 2014	31,174	$971	$17.97	$16.27 - $19.76
Q3 2014	31,174	$934	$17.45	$16.48 - $18.35
Q2 2014	31,365	$931	$17.55	$16.87 - $18.99
Q1 2014	31,638	$1,016	$18.20	$17.09 - $19.15
Q4 2013	31,838	$975	$17.62	$16.02 - $18.73
Q3 2013	32,140	$923	$16.36	$15.50 - $17.26
Q2 2013	31,840	$892	$16.46	$15.38 - $17.52