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Who

David Pendarvis

Director

Company insider

Files Form 4 as: Director, Wd-40; Chief Administrative Officer, ResMed; Director, Sequenom.

In numbers

Trades disclosed
500
Buys
3
Sells
131
Bought
$389K
Sold
$66.3M
Companies
3
Companies where not an officer
2
First trade
3 Feb 2006
Last trade
5 Feb 2026
Last filed
6 Feb 2026

Companies traded

Where they are an officer
RMD ResMedOfficer · Medical Devices · last 5 Jun 20230 buys · 131 sells
Everywhere else they filed: board seats, 10% stakes, other companies
WDFC Wd-40Director · Chemicals · last 5 Feb 20263 buys · 0 sells
SequenomDirector · last 7 Sep 20160 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
01Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
5 Feb 2026filed 6 Feb 2026WDFC Wd-40ChemicalsSEC FORM 4 Bought$105K424 at $247.15filing
5 Feb 2026filed 6 Feb 2026WDFC Wd-40ChemicalsSEC FORM 4 Bought$105K424 at $247.15filing
12 Dec 2025filed 12 Dec 2025WDFC Wd-40ChemicalsSEC FORM 4 Code A—612filing
30 Oct 2025filed 30 Oct 2025WDFC Wd-40ChemicalsSEC FORM 4 Bought$103K523 at $196.37filing
12 Dec 2024filed 16 Dec 2024WDFC Wd-40ChemicalsSEC FORM 4 Code A—412filing
12 Apr 2024filed 12 Apr 2024WDFC Wd-40ChemicalsSEC FORM 4 Bought$77K328 at $234.75filing
12 Dec 2023filed 13 Dec 2023WDFC Wd-40ChemicalsSEC FORM 4 Code A—406filing
5 Jun 2023filed 7 Jun 2023RMD ResMedMedical DevicesSEC FORM 4 Sold$330K1,500 at $219.79filing
3 May 2023filed 4 May 2023RMD ResMedMedical DevicesSEC FORM 4 Sold$356K1,500 at $237.64filing
3 Apr 2023filed 5 Apr 2023RMD ResMedMedical DevicesSEC FORM 4 Sold$327K1,500 at $218.23filing
3 Mar 2023filed 7 Mar 2023RMD ResMedMedical DevicesSEC FORM 4 Sold$325K1,500 at $216.69filing
3 Feb 2023filed 6 Feb 2023RMD ResMedMedical DevicesSEC FORM 4 Sold$337K1,500 at $224.50filing
3 Jan 2023filed 5 Jan 2023RMD ResMedMedical DevicesSEC FORM 4 Sold$315K1,500 at $210.07filing
13 Dec 2022filed 15 Dec 2022WDFC Wd-40ChemicalsSEC FORM 4 Code A—840filing
5 Dec 2022filed 6 Dec 2022RMD ResMedMedical DevicesSEC FORM 4 Sold$345K1,500 at $229.81filing
28 Nov 2022filed 29 Nov 2022RMD ResMedMedical DevicesSEC FORM 4 Code G—7,300 at $0.00filing
25 Nov 2022filed 29 Nov 2022RMD ResMedoption or derivative · Medical DevicesSEC FORM 4 Code M—683 at $0.00filing
25 Nov 2022filed 29 Nov 2022RMD ResMedMedical DevicesSEC FORM 4 Code M$100K683 at $146.34filing
23 Nov 2022filed 23 Nov 2022RMD ResMedMedical DevicesSEC FORM 4 Code A—12,389 at $0.00filing
23 Nov 2022filed 23 Nov 2022RMD ResMedMedical DevicesSEC FORM 4 Code F$1.6M6,911 at $224.40filing

Sectors

Health Care131
Materials3

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

Related people

Michael J. FarrellChairman and CEO · Chairman and CEO at Resmed, filing Form 4 there in the last year
Justin LeongChief Product Officer · Chief Product Officer at Resmed, filing Form 4 there in the last year
Aaron BloomerChief Financial Officer · Chief Financial Officer at Resmed, filing Form 4 there in the last year
Michael J. RiderGlobal General Counsel · Global General Counsel at Resmed, filing Form 4 there in the last year
Peter C. FarrellDirector · Director at Resmed, filing Form 4 there in the last year
Donald J. TrumpPresident · Also traded WDFC and RMD in the last 90 days
Patricia Q. OlsemDivision President, Americas · Also traded WDFC in the last 90 days