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Who

Catherine P. Lego

Director

Company insider

Files Form 4 as: Director, Cirrus Logic; Director, Infleqtion; Director, Guidewire Software; Director, Lam Research; Director, IPG Photonics; Director, Cypress Semiconductor Corp /de/; Director, Fairchild Semiconductor International; Director, Sandisk.

In numbers

Trades disclosed
241
Buys
6
Sells
45
Bought
$2.0M
Sold
$17.6M
Companies
9
Companies where not an officer
9
First trade
31 Jan 2006
Last trade
31 Jul 2026
Last filed
31 Jul 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
CRUS Cirrus LogicDirector · Semiconductors · last 31 Jul 20261 buy · 0 sells
INFQ InfleqtionDirector · Payments & Processors · last 10 Apr 20260 buys · 0 sells
GWRE Guidewire SoftwareDirector · Software · last 15 Dec 20251 buy · 0 sells
LRCX Lam ResearchDirector · Semiconductor Equipment · last 26 Apr 20221 buy · 0 sells
IPGP IPG PhotonicsDirector · Semiconductors · last 6 Nov 20201 buy · 1 sell
Cypress Semiconductor Corp /de/Director · last 16 Apr 20201 buy · 0 sells
Fairchild Semiconductor InternationalDirector · last 19 Sep 20161 buy · 0 sells
SandiskDirector · last 12 May 20160 buys · 43 sells
Wj CommunicationsDirector · last 22 May 20080 buys · 1 sell

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
31 Jul 2026filed 31 Jul 2026CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code A—1,623 at $0.00filing
31 Jul 2026filed 31 Jul 2026CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code A—1,623 at $0.00filing
29 Jul 2026filed 31 Jul 2026CRUS Cirrus LogicSemiconductorsSEC FORM 4 Code A—1,998 at $0.00filing
29 Jul 2026filed 31 Jul 2026CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code M—1,998 at $0.00filing
29 Jul 2026filed 31 Jul 2026CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code M—1,998 at $0.00filing
29 Jul 2026filed 31 Jul 2026CRUS Cirrus LogicSemiconductorsSEC FORM 4 Code A—1,998 at $0.00filing
10 Apr 2026filed 14 Apr 2026INFQ Infleqtionoption or derivative · Payments & ProcessorsSEC FORM 4 Code A—22,619 at $0.00filing
10 Apr 2026filed 14 Apr 2026INFQ Infleqtionoption or derivative · Payments & ProcessorsSEC FORM 4 Code A—22,619 at $0.00filing
13 Feb 2026filed 18 Feb 2026INFQ InfleqtionPayments & ProcessorsSEC FORM 4 Code A—477,680filing
13 Feb 2026filed 18 Feb 2026INFQ InfleqtionPayments & ProcessorsSEC FORM 4 Code A—82,801filing
13 Feb 2026filed 18 Feb 2026INFQ InfleqtionPayments & ProcessorsSEC FORM 4 Code A—477,680filing
13 Feb 2026filed 18 Feb 2026INFQ InfleqtionPayments & ProcessorsSEC FORM 4 Code A—82,801filing
15 Dec 2025filed 16 Dec 2025GWRE Guidewire SoftwareSoftwareSEC FORM 4 Code A—1,196 at $0.00filing
29 Jul 2025filed 29 Jul 2025CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code A—1,998 at $0.00filing
26 Jul 2025filed 29 Jul 2025CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code M—1,624 at $0.00filing
26 Jul 2025filed 29 Jul 2025CRUS Cirrus LogicSemiconductorsSEC FORM 4 Code A—1,624 at $0.00filing
17 Dec 2024filed 17 Dec 2024GWRE Guidewire SoftwareSoftwareSEC FORM 4 Code A—1,211 at $0.00filing
26 Jul 2024filed 30 Jul 2024CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code M—2,575 at $0.00filing
26 Jul 2024filed 30 Jul 2024CRUS Cirrus Logicoption or derivative · SemiconductorsSEC FORM 4 Code A—1,624 at $0.00filing
26 Jul 2024filed 30 Jul 2024CRUS Cirrus LogicSemiconductorsSEC FORM 4 Code A—2,575 at $0.00filing

News

Sectors

Technology5
Not placed46

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

Related people

Jeffrey W. BaumgartnerEVP, R&D · EVP, R&D at Cirrus Logic, filing Form 4 there in the last year
John P. MullenPresident · President at Guidewire Software, filing Form 4 there in the last year
Michael George RosenbaumChief Executive Officer · Chief Executive Officer at Guidewire Software, filing Form 4 there in the last year
James Winston KingChief Admin Officer, Gen Couns · Chief Admin Officer, Gen Couns at Guidewire Software, filing Form 4 there in the last year
David Franklin PetersonChief Accounting Officer · Chief Accounting Officer at Guidewire Software, filing Form 4 there in the last year
Eugene A. ScherbakovDirector and 10% owner · Also traded IPGP in the last 90 days
IP FIBRE DEVICES LTD10% owner · Also traded IPGP in the last 90 days
Jeffrey Elliott CooperChief Financial Officer · Also traded GWRE in the last 90 days