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Who

Karen A. Richardson

Director

Company insider

Files Form 4 as: Director, Exponent; Director, Origin Materials; Director, Doma Holdings; Director, Worldpay.

In numbers

Trades disclosed
78
Buys
2
Sells
0
Bought
$322K
Sold
$0
Companies
4
Companies where not an officer
4
First trade
12 Dec 2013
Last trade
4 Jun 2026
Last filed
4 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
EXPO ExponentDirector · Professional Services · last 4 Jun 20260 buys · 0 sells
Origin MaterialsDirector · last 15 Aug 20232 buys · 0 sells
Doma HoldingsDirector · last 7 Jul 20220 buys · 0 sells
WorldpayDirector · last 31 Jul 20190 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
4 Jun 2026filed 4 Jun 2026EXPO Exponentoption or derivative · Professional ServicesSEC FORM 4 Code A—2,859filing
4 Jun 2026filed 4 Jun 2026EXPO Exponentoption or derivative · Professional ServicesSEC FORM 4 Code A—2,859filing
3 Jun 2026filed 4 Jun 2026EXPO ExponentProfessional ServicesSEC FORM 4 Code M—2,009filing
3 Jun 2026filed 4 Jun 2026EXPO Exponentoption or derivative · Professional ServicesSEC FORM 4 Code M—2,009filing
3 Jun 2026filed 4 Jun 2026EXPO Exponentoption or derivative · Professional ServicesSEC FORM 4 Code M—2,009filing
3 Jun 2026filed 4 Jun 2026EXPO ExponentProfessional ServicesSEC FORM 4 Code M—2,009filing
5 Jun 2025filed 9 Jun 2025EXPO Exponentoption or derivative · Professional ServicesSEC FORM 4 Code A—2,009filing
4 Jun 2025filed 9 Jun 2025EXPO Exponentoption or derivative · Professional ServicesSEC FORM 4 Code M—1,525filing
4 Jun 2025filed 9 Jun 2025EXPO ExponentProfessional ServicesSEC FORM 4 Code M—1,525filing
6 Jun 2024filed 10 Jun 2024EXPO Exponentoption or derivative · Professional ServicesSEC FORM 4 Code A—1,525filing
5 Jun 2024filed 6 Jun 2024EXPO Exponentoption or derivative · Professional ServicesSEC FORM 4 Code M—1,506filing
5 Jun 2024filed 6 Jun 2024EXPO ExponentProfessional ServicesSEC FORM 4 Code M—1,506filing
15 Feb 2024filed 16 Feb 2024EXPO Exponentoption or derivative · Professional ServicesSEC FORM 4 Code M—315filing
15 Feb 2024filed 16 Feb 2024EXPO ExponentProfessional ServicesSEC FORM 4 Code M—315filing
15 Aug 2023filed 17 Aug 2023Origin MaterialsSEC FORM 4 Bought$200K146,288 at $1.37filing
20 Jul 2023filed 17 Aug 2023Origin MaterialsSEC FORM 4 Code A—45,861 at $0.00filing
20 Jul 2023filed 24 Jul 2023Origin MaterialsSEC FORM 4 Code A—46,590 at $0.00filing
8 Jun 2023filed 9 Jun 2023EXPO Exponentoption or derivative · Professional ServicesSEC FORM 4 Code A—1,506filing
15 Feb 2023filed 17 Feb 2023EXPO Exponentoption or derivative · Professional ServicesSEC FORM 4 Code A—315filing
15 Aug 2022filed 17 Aug 2022Origin MaterialsSEC FORM 4 Code A—28,954 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Not placed2

Buys in green, sells in red, by the company’s sector.

Related people

Shukri Jeries SouriGroup Vice President · Group Vice President at Exponent, filing Form 4 there in the last year
Catherine CorriganChief Executive Officer · Chief Executive Officer at Exponent, filing Form 4 there in the last year
Paul R. JohnstonDirector · Director at Exponent, filing Form 4 there in the last year
Debra ZumwaltDirector · Director at Exponent, filing Form 4 there in the last year
Carol LindstromDirector · Director at Exponent, filing Form 4 there in the last year