EXPONENT INC

Ticker: EXPO CUSIP: 30214U102 Class: Common Stock

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q4 2025

Shares 314,203 Value ($000) $21,825 Avg Close $70.04 Range $64.13 - $76.49

Q3 2025

Shares 254,300 Value ($000) $17,669 Avg Close $70.97 Range $63.29 - $77.29

Q2 2025

Shares 257,127 Value ($000) $19,210 Avg Close $76.63 Range $71.84 - $82.91

Q1 2025

Shares 257,366 Value ($000) $20,862 Avg Close $85.84 Range $77.36 - $96.05

Q4 2024

Shares 239,337 Value ($000) $21,325 Avg Close $98.95 Range $86.42 - $113.62

Q3 2024

Shares 232,907 Value ($000) $26,850 Avg Close $102.48 Range $91.12 - $113.49

Q2 2024

Shares 236,517 Value ($000) $22,498 Avg Close $88.07 Range $75.45 - $100.26

Q1 2024

Shares 231,131 Value ($000) $19,112 Avg Close $80.52 Range $66.82 - $89.81

Q4 2023

Shares 212,702 Value ($000) $18,726 Avg Close $79.51 Range $62.65 - $88.86

Q3 2023

Shares 216,190 Value ($000) $18,506 Avg Close $87.51 Range $81.83 - $93.97

Q2 2023

Shares 224,905 Value ($000) $0 Avg Close $90.75 Range $82.22 - $98.29

Q4 2022

Shares 214,490 Value ($000) $22 Avg Close $93.27 Range $83.33 - $102.60

Q3 2022

Shares 218,069 Value ($000) $19,772 Avg Close $90.80 Range $83.36 - $99.84

Q2 2022

Shares 223,015 Value ($000) $20,859 Avg Close $89.98 Range $77.49 - $106.96

Q1 2022

Shares 220,484 Value ($000) $24,564 Avg Close $91.89 Range $79.49 - $113.24

Q4 2021

Shares 198,055 Value ($000) $18,421 Avg Close $111.77 Range $104.67 - $121.29

Q3 2021

Shares 202,099 Value ($000) $22,948 Avg Close $102.37 Range $83.04 - $114.43

Q2 2021

Shares 185,732 Value ($000) $21,255 Avg Close $88.68 Range $81.59 - $96.96

Q1 2021

Shares 183,214 Value ($000) $18,380 Avg Close $88.68 Range $77.59 - $95.36

Q4 2020

Shares 176,584 Value ($000) $16,464 Avg Close $75.22 Range $64.49 - $85.98

Q3 2020

Shares 170,218 Value ($000) $12,760 Avg Close $74.81 Range $66.26 - $79.56

Q2 2020

Shares 122,811 Value ($000) $9,885 Avg Close $67.56 Range $57.66 - $76.48

Q1 2020

Shares 122,332 Value ($000) $8,615 Avg Close $67.97 Range $54.43 - $77.49

Q4 2019

Shares 138,144 Value ($000) $10,167 Avg Close $61.68 Range $57.11 - $66.68

Q3 2019

Shares 138,440 Value ($000) $9,025 Avg Close $62.89 Range $53.83 - $67.85

Q2 2019

Shares 106,076 Value ($000) $6,450 Avg Close $52.92 Range $50.50 - $55.87

Q1 2019

Shares 110,409 Value ($000) $6,298 Avg Close $50.06 Range $43.61 - $54.25

Q4 2018

Shares 109,394 Value ($000) $5,343 Avg Close $46.35 Range $41.04 - $50.11

Q3 2018

Shares 94,495 Value ($000) $4,658 Avg Close $47.22 Range $43.99 - $50.40

Q2 2018

Shares 97,276 Value ($000) $4,874 Avg Close $42.16 Range $35.08 - $48.38

Q1 2018

Shares 48,697 Value ($000) $4,120 Avg Close $34.66 Range $31.96 - $37.28

Q4 2017

Shares 41,815 Value ($000) $3,042 Avg Close $33.56 Range $31.78 - $35.23

Q3 2017

Shares 35,602 Value ($000) $2,597 Avg Close $30.10 Range $25.97 - $34.44

Q2 2017

Shares 27,793 Value ($000) $1,819 Avg Close $27.13 Range $25.92 - $28.94

Q1 2017

Shares 28,895 Value ($000) $1,785 Avg Close $26.37 Range $25.20 - $27.58

Q4 2016

Shares 28,258 Value ($000) $1,661 Avg Close $26.16 Range $21.82 - $29.29

Q3 2016

Shares 27,255 Value ($000) $1,384 Avg Close $23.44 Range $20.21 - $26.81

Q2 2016

Shares 27,366 Value ($000) $1,415 Avg Close $23.30 Range $21.66 - $26.24

Q1 2016

Shares 27,872 Value ($000) $1,396 Avg Close $21.56 Range $19.99 - $23.21

Q4 2015

Shares 27,900 Value ($000) $1,322 Avg Close $22.59 Range $19.61 - $24.33

Q3 2015

Shares 27,697 Value ($000) $1,234 Avg Close $19.51 Range $17.98 - $20.71

Q2 2015

Shares 55,294 Value ($000) $2,476 Avg Close $19.41 Range $18.38 - $21.41

Q1 2015

Shares 14,076 Value ($000) $1,251 Avg Close $18.85 Range $17.24 - $20.22

Q4 2014

Shares 27,834 Value ($000) $2,296 Avg Close $17.03 Range $15.31 - $18.48

Q3 2014

Shares 14,218 Value ($000) $1,008 Avg Close $16.08 Range $15.27 - $16.97

Q2 2014

Shares 14,172 Value ($000) $1,050 Avg Close $15.58 Range $14.11 - $16.64

Q1 2014

Shares 14,421 Value ($000) $1,082 Avg Close $16.03 Range $14.26 - $16.90

Q4 2013

Shares 15,043 Value ($000) $1,162 Avg Close $16.37 Range $14.69 - $17.44

Q3 2013

Shares 19,220 Value ($000) $1,381 Avg Close $14.42 Range $12.78 - $15.73

Q2 2013

Shares 19,271 Value ($000) $1,139 Avg Close $11.84 Range $10.87 - $12.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	314,203	$21,825	$70.04	$64.13 - $76.49
Q3 2025	254,300	$17,669	$70.97	$63.29 - $77.29
Q2 2025	257,127	$19,210	$76.63	$71.84 - $82.91
Q1 2025	257,366	$20,862	$85.84	$77.36 - $96.05
Q4 2024	239,337	$21,325	$98.95	$86.42 - $113.62
Q3 2024	232,907	$26,850	$102.48	$91.12 - $113.49
Q2 2024	236,517	$22,498	$88.07	$75.45 - $100.26
Q1 2024	231,131	$19,112	$80.52	$66.82 - $89.81
Q4 2023	212,702	$18,726	$79.51	$62.65 - $88.86
Q3 2023	216,190	$18,506	$87.51	$81.83 - $93.97
Q2 2023	224,905	$0	$90.75	$82.22 - $98.29
Q4 2022	214,490	$22	$93.27	$83.33 - $102.60
Q3 2022	218,069	$19,772	$90.80	$83.36 - $99.84
Q2 2022	223,015	$20,859	$89.98	$77.49 - $106.96
Q1 2022	220,484	$24,564	$91.89	$79.49 - $113.24
Q4 2021	198,055	$18,421	$111.77	$104.67 - $121.29
Q3 2021	202,099	$22,948	$102.37	$83.04 - $114.43
Q2 2021	185,732	$21,255	$88.68	$81.59 - $96.96
Q1 2021	183,214	$18,380	$88.68	$77.59 - $95.36
Q4 2020	176,584	$16,464	$75.22	$64.49 - $85.98
Q3 2020	170,218	$12,760	$74.81	$66.26 - $79.56
Q2 2020	122,811	$9,885	$67.56	$57.66 - $76.48
Q1 2020	122,332	$8,615	$67.97	$54.43 - $77.49
Q4 2019	138,144	$10,167	$61.68	$57.11 - $66.68
Q3 2019	138,440	$9,025	$62.89	$53.83 - $67.85
Q2 2019	106,076	$6,450	$52.92	$50.50 - $55.87
Q1 2019	110,409	$6,298	$50.06	$43.61 - $54.25
Q4 2018	109,394	$5,343	$46.35	$41.04 - $50.11
Q3 2018	94,495	$4,658	$47.22	$43.99 - $50.40
Q2 2018	97,276	$4,874	$42.16	$35.08 - $48.38
Q1 2018	48,697	$4,120	$34.66	$31.96 - $37.28
Q4 2017	41,815	$3,042	$33.56	$31.78 - $35.23
Q3 2017	35,602	$2,597	$30.10	$25.97 - $34.44
Q2 2017	27,793	$1,819	$27.13	$25.92 - $28.94
Q1 2017	28,895	$1,785	$26.37	$25.20 - $27.58
Q4 2016	28,258	$1,661	$26.16	$21.82 - $29.29
Q3 2016	27,255	$1,384	$23.44	$20.21 - $26.81
Q2 2016	27,366	$1,415	$23.30	$21.66 - $26.24
Q1 2016	27,872	$1,396	$21.56	$19.99 - $23.21
Q4 2015	27,900	$1,322	$22.59	$19.61 - $24.33
Q3 2015	27,697	$1,234	$19.51	$17.98 - $20.71
Q2 2015	55,294	$2,476	$19.41	$18.38 - $21.41
Q1 2015	14,076	$1,251	$18.85	$17.24 - $20.22
Q4 2014	27,834	$2,296	$17.03	$15.31 - $18.48
Q3 2014	14,218	$1,008	$16.08	$15.27 - $16.97
Q2 2014	14,172	$1,050	$15.58	$14.11 - $16.64
Q1 2014	14,421	$1,082	$16.03	$14.26 - $16.90
Q4 2013	15,043	$1,162	$16.37	$14.69 - $17.44
Q3 2013	19,220	$1,381	$14.42	$12.78 - $15.73
Q2 2013	19,271	$1,139	$11.84	$10.87 - $12.92