EXPONENT INC

Ticker: EXPO CUSIP: 30214U102 Class: Common Stock

Cornerstone Planning Group LLC's Holding History (CIK: 0001822587)

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

Q4 2025

Shares 8 Value ($000) $1 Avg Close $70.04 Range $64.13 - $76.49

Q4 2023

Shares 12 Value ($000) $1 Avg Close $79.51 Range $62.65 - $88.86

Q3 2023

Shares 12 Value ($000) $1 Avg Close $87.51 Range $81.83 - $93.97

Q2 2023

Shares 12 Value ($000) $1 Avg Close $90.75 Range $82.22 - $98.29

Q4 2022

Shares 24 Value ($000) $2 Avg Close $93.27 Range $83.33 - $102.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8	$1	$70.04	$64.13 - $76.49
Q4 2023	12	$1	$79.51	$62.65 - $88.86
Q3 2023	12	$1	$87.51	$81.83 - $93.97
Q2 2023	12	$1	$90.75	$82.22 - $98.29
Q4 2022	24	$2	$93.27	$83.33 - $102.60