1. Corporate Officers - R
2. Richardson Karen A

Insider Trading History of Richardson Karen A

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Richardson Karen A since 2015. This trader's CIK number is 1200468. At the time of last reporting, Richardson Karen A was the Director of Exponent Inc. (stock ticker symbol EXPO). Also see all insider trading activities at Exponent Inc.

Note that in the past RICHARDSON KAREN A also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Exponent Inc (EXPO) by Richardson Karen A

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2025	EXPO	0	$0	0	$0	1,525	$0
2024	EXPO	0	$0	0	$0	1,821	$0
2022	EXPO	0	$0	0	$0	1,474	$0
2021	EXPO	0	$0	0	$0	1,675	$0
2020	EXPO	0	$0	0	$0	2,229	$0
2019	EXPO	0	$0	0	$0	2,442	$0
2018	EXPO	0	$0	0	$0	2,021	$0
2017	EXPO	0	$0	0	$0	2,174	$0
2016	EXPO	0	$0	0	$0	2,386	$0
2015	EXPO	0	$0	0	$0	1,976	$0

Yearly summary of insider trading at Origin Materials, Inc. (ORGN) by Richardson Karen A

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2021	ORGN	20,000	$121,280	0	$0	0	$0

Insider trading activities at 2 companies by Richardson Karen A:

1. Exponent Inc (EXPO)

2. Origin Materials, Inc. (ORGN)

Table 1. Insider trading of Exponent Inc (EXPO) by Richardson Karen A

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2025-06-04	EXPO	Option Ex	1,525	.00	0
2024-06-05	EXPO	Option Ex	1,506	.00	0
2024-02-15	EXPO	Option Ex	315	.00	0
2022-06-01	EXPO	Option Ex	1,474	.00	0
2021-06-02	EXPO	Option Ex	1,675	.00	0
2020-05-27	EXPO	Option Ex	2,229	.00	0
2019-05-29	EXPO	Option Ex	2,442	.00	0
2018-05-30	EXPO	Option Ex	2,021	.00	0
2017-05-31	EXPO	Option Ex	2,174	.00	0
2016-05-25	EXPO	Option Ex	2,386	.00	0
2015-05-27	EXPO	Option Ex	1,440	.00	0
2014-12-12	EXPO	Option Ex	536	.00	0

Table 2. Insider trading of Origin Materials, Inc. (ORGN) by Richardson Karen A

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2021-08-23	ORGN	Buy	20,000	6.06	121,280

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Richardson Karen A (Director of Exponent Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

▪ Real-time Insider Trading

▪ Insider Officer Cluster Trading

▪ Top Officer Buys of the Week

▪ Top Officer Buys of the Month