EXPONENT INC

Ticker: EXPO CUSIP: 30214U102 Class: Common Stock

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2025

Shares 740,274 Value ($000) $51,419 Avg Close $70.04 Range $64.13 - $76.49

Q3 2025

Shares 733,354 Value ($000) $50,953 Avg Close $70.97 Range $63.29 - $77.29

Q2 2025

Shares 728,659 Value ($000) $54,438 Avg Close $76.63 Range $71.84 - $82.91

Q1 2025

Shares 767,037 Value ($000) $62,176 Avg Close $85.84 Range $77.36 - $96.05

Q4 2024

Shares 770,270 Value ($000) $68,631 Avg Close $98.95 Range $86.42 - $113.62

Q3 2024

Shares 717,043 Value ($000) $82,661 Avg Close $102.48 Range $91.12 - $113.49

Q2 2024

Shares 746,148 Value ($000) $70,974 Avg Close $88.07 Range $75.45 - $100.26

Q1 2024

Shares 736,937 Value ($000) $60,937 Avg Close $80.52 Range $66.82 - $89.81

Q4 2023

Shares 796,182 Value ($000) $70,096 Avg Close $79.51 Range $62.65 - $88.86

Q3 2023

Shares 802,242 Value ($000) $68,672 Avg Close $87.51 Range $81.83 - $93.97

Q2 2023

Shares 919,883 Value ($000) $85,843 Avg Close $90.75 Range $82.22 - $98.29

Q1 2023

Shares 794,281 Value ($000) $79,182 Avg Close $97.94 Range $87.83 - $108.44

Q4 2022

Shares 685,407 Value ($000) $67,917 Avg Close $93.27 Range $83.33 - $102.60

Q3 2022

Shares 672,834 Value ($000) $58,988 Avg Close $90.80 Range $83.36 - $99.84

Q2 2022

Shares 713,885 Value ($000) $65,299 Avg Close $89.98 Range $77.49 - $106.96

Q1 2022

Shares 724,557 Value ($000) $78,288 Avg Close $91.89 Range $79.49 - $113.24

Q4 2021

Shares 749,578 Value ($000) $87,498 Avg Close $111.77 Range $104.67 - $121.29

Q3 2021

Shares 764,978 Value ($000) $86,558 Avg Close $102.37 Range $83.04 - $114.43

Q2 2021

Shares 791,210 Value ($000) $70,583 Avg Close $88.68 Range $81.59 - $96.96

Q1 2021

Shares 802,849 Value ($000) $78,238 Avg Close $88.68 Range $77.59 - $95.36

Q4 2020

Shares 824,617 Value ($000) $74,241 Avg Close $75.22 Range $64.49 - $85.98

Q3 2020

Shares 830,784 Value ($000) $59,842 Avg Close $74.81 Range $66.26 - $79.56

Q2 2020

Shares 875,417 Value ($000) $70,849 Avg Close $67.56 Range $57.66 - $76.48

Q1 2020

Shares 900,501 Value ($000) $64,755 Avg Close $67.97 Range $54.43 - $77.49

Q4 2019

Shares 913,859 Value ($000) $63,065 Avg Close $61.68 Range $57.11 - $66.68

Q3 2019

Shares 934,600 Value ($000) $65,328 Avg Close $62.89 Range $53.83 - $67.85

Q2 2019

Shares 941,814 Value ($000) $55,134 Avg Close $52.92 Range $50.50 - $55.87

Q1 2019

Shares 941,934 Value ($000) $54,369 Avg Close $50.06 Range $43.61 - $54.25

Q4 2018

Shares 898,667 Value ($000) $45,571 Avg Close $46.35 Range $41.04 - $50.11

Q3 2018

Shares 916,965 Value ($000) $49,150 Avg Close $47.22 Range $43.99 - $50.40

Q2 2018

Shares 920,197 Value ($000) $44,447 Avg Close $42.16 Range $35.08 - $48.38

Q1 2018

Shares 452,550 Value ($000) $35,593 Avg Close $34.66 Range $31.96 - $37.28

Q4 2017

Shares 457,863 Value ($000) $32,554 Avg Close $33.56 Range $31.78 - $35.23

Q3 2017

Shares 469,011 Value ($000) $34,659 Avg Close $30.10 Range $25.97 - $34.44

Q2 2017

Shares 478,610 Value ($000) $27,903 Avg Close $27.13 Range $25.92 - $28.94

Q1 2017

Shares 469,017 Value ($000) $27,930 Avg Close $26.37 Range $25.20 - $27.58

Q4 2016

Shares 469,497 Value ($000) $28,311 Avg Close $26.16 Range $21.82 - $29.29

Q3 2016

Shares 487,800 Value ($000) $24,908 Avg Close $23.44 Range $20.21 - $26.81

Q2 2016

Shares 471,284 Value ($000) $27,528 Avg Close $23.30 Range $21.66 - $26.24

Q1 2016

Shares 455,708 Value ($000) $22,966 Avg Close $21.56 Range $19.99 - $23.21

Q4 2015

Shares 457,019 Value ($000) $22,828 Avg Close $22.59 Range $19.61 - $24.33

Q3 2015

Shares 402,729 Value ($000) $17,945 Avg Close $19.51 Range $17.98 - $20.71

Q2 2015

Shares 389,610 Value ($000) $17,447 Avg Close $19.41 Range $18.38 - $21.41

Q1 2015

Shares 205,542 Value ($000) $18,273 Avg Close $18.85 Range $17.24 - $20.22

Q4 2014

Shares 207,066 Value ($000) $17,083 Avg Close $17.03 Range $15.31 - $18.48

Q3 2014

Shares 212,455 Value ($000) $15,058 Avg Close $16.08 Range $15.27 - $16.97

Q2 2014

Shares 219,878 Value ($000) $16,295 Avg Close $15.58 Range $14.11 - $16.64

Q1 2014

Shares 238,243 Value ($000) $17,882 Avg Close $16.03 Range $14.26 - $16.90

Q4 2013

Shares 255,741 Value ($000) $19,762 Avg Close $16.37 Range $14.69 - $17.44

Q3 2013

Shares 257,510 Value ($000) $18,499 Avg Close $14.42 Range $12.78 - $15.73

Q2 2013

Shares 271,793 Value ($000) $16,065 Avg Close $11.84 Range $10.87 - $12.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	740,274	$51,419	$70.04	$64.13 - $76.49
Q3 2025	733,354	$50,953	$70.97	$63.29 - $77.29
Q2 2025	728,659	$54,438	$76.63	$71.84 - $82.91
Q1 2025	767,037	$62,176	$85.84	$77.36 - $96.05
Q4 2024	770,270	$68,631	$98.95	$86.42 - $113.62
Q3 2024	717,043	$82,661	$102.48	$91.12 - $113.49
Q2 2024	746,148	$70,974	$88.07	$75.45 - $100.26
Q1 2024	736,937	$60,937	$80.52	$66.82 - $89.81
Q4 2023	796,182	$70,096	$79.51	$62.65 - $88.86
Q3 2023	802,242	$68,672	$87.51	$81.83 - $93.97
Q2 2023	919,883	$85,843	$90.75	$82.22 - $98.29
Q1 2023	794,281	$79,182	$97.94	$87.83 - $108.44
Q4 2022	685,407	$67,917	$93.27	$83.33 - $102.60
Q3 2022	672,834	$58,988	$90.80	$83.36 - $99.84
Q2 2022	713,885	$65,299	$89.98	$77.49 - $106.96
Q1 2022	724,557	$78,288	$91.89	$79.49 - $113.24
Q4 2021	749,578	$87,498	$111.77	$104.67 - $121.29
Q3 2021	764,978	$86,558	$102.37	$83.04 - $114.43
Q2 2021	791,210	$70,583	$88.68	$81.59 - $96.96
Q1 2021	802,849	$78,238	$88.68	$77.59 - $95.36
Q4 2020	824,617	$74,241	$75.22	$64.49 - $85.98
Q3 2020	830,784	$59,842	$74.81	$66.26 - $79.56
Q2 2020	875,417	$70,849	$67.56	$57.66 - $76.48
Q1 2020	900,501	$64,755	$67.97	$54.43 - $77.49
Q4 2019	913,859	$63,065	$61.68	$57.11 - $66.68
Q3 2019	934,600	$65,328	$62.89	$53.83 - $67.85
Q2 2019	941,814	$55,134	$52.92	$50.50 - $55.87
Q1 2019	941,934	$54,369	$50.06	$43.61 - $54.25
Q4 2018	898,667	$45,571	$46.35	$41.04 - $50.11
Q3 2018	916,965	$49,150	$47.22	$43.99 - $50.40
Q2 2018	920,197	$44,447	$42.16	$35.08 - $48.38
Q1 2018	452,550	$35,593	$34.66	$31.96 - $37.28
Q4 2017	457,863	$32,554	$33.56	$31.78 - $35.23
Q3 2017	469,011	$34,659	$30.10	$25.97 - $34.44
Q2 2017	478,610	$27,903	$27.13	$25.92 - $28.94
Q1 2017	469,017	$27,930	$26.37	$25.20 - $27.58
Q4 2016	469,497	$28,311	$26.16	$21.82 - $29.29
Q3 2016	487,800	$24,908	$23.44	$20.21 - $26.81
Q2 2016	471,284	$27,528	$23.30	$21.66 - $26.24
Q1 2016	455,708	$22,966	$21.56	$19.99 - $23.21
Q4 2015	457,019	$22,828	$22.59	$19.61 - $24.33
Q3 2015	402,729	$17,945	$19.51	$17.98 - $20.71
Q2 2015	389,610	$17,447	$19.41	$18.38 - $21.41
Q1 2015	205,542	$18,273	$18.85	$17.24 - $20.22
Q4 2014	207,066	$17,083	$17.03	$15.31 - $18.48
Q3 2014	212,455	$15,058	$16.08	$15.27 - $16.97
Q2 2014	219,878	$16,295	$15.58	$14.11 - $16.64
Q1 2014	238,243	$17,882	$16.03	$14.26 - $16.90
Q4 2013	255,741	$19,762	$16.37	$14.69 - $17.44
Q3 2013	257,510	$18,499	$14.42	$12.78 - $15.73
Q2 2013	271,793	$16,065	$11.84	$10.87 - $12.92