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Who

Sarah Patricia Harden

Director

Company insider

Files Form 4 as: Director, Magnite.

In numbers

Trades disclosed
14
Buys
0
Sells
2
Bought
$0
Sold
$2.3M
Companies
1
Companies where not an officer
1
First trade
1 Jul 2019
Last trade
28 Aug 2026
Last filed
28 Aug 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
MGNI MagniteDirector · IT Services & Consulting · last 28 Aug 20260 buys · 2 sells

Activity over time

1 Aug – 1 Oct
201 Aug1 Sep1 Oct

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
28 Aug 2026filed 28 Aug 2026MGNI MagniteIT Services & ConsultingSEC FORM 4 Sold$442K18,436 at $24.00filing
28 Aug 2026filed 28 Aug 2026MGNI MagniteIT Services & ConsultingSEC FORM 4 Sold$442K18,436 at $24.00filing
26 Aug 2026filed 28 Aug 2026MGNI MagniteIT Services & ConsultingSEC FORM 4 Sold$712K30,550 at $23.31filing
26 Aug 2026filed 28 Aug 2026MGNI MagniteIT Services & ConsultingSEC FORM 4 Sold$712K30,550 at $23.31filing
8 Jun 2026filed 10 Jun 2026MGNI MagniteIT Services & ConsultingSEC FORM 4 Code A—13,798 at $0.00filing
8 Jun 2026filed 10 Jun 2026MGNI MagniteIT Services & ConsultingSEC FORM 4 Code A—13,798 at $0.00filing
5 Jun 2025filed 6 Jun 2025MGNI MagniteIT Services & ConsultingSEC FORM 4 Code A—10,766 at $0.00filing
12 Jun 2024filed 13 Jun 2024MGNI MagniteIT Services & ConsultingSEC FORM 4 Code A—14,061 at $0.00filing
14 Jun 2023filed 16 Jun 2023MGNI MagniteIT Services & ConsultingSEC FORM 4 Code A—13,743 at $0.00filing
7 Jun 2022filed 9 Jun 2022MGNI MagniteIT Services & ConsultingSEC FORM 4 Code A—16,489 at $0.00filing
28 Jun 2021filed 30 Jun 2021MGNI MagniteIT Services & ConsultingSEC FORM 4 Code A—3,936 at $0.00filing
8 Jul 2020filed 16 Jul 2020MGNI MagniteIT Services & ConsultingSEC FORM 4 Code A—18,436 at $0.00filing
1 Jul 2019filed 8 Jul 2019MGNI MagniteIT Services & ConsultingSEC FORM 4 Code A—56,647 at $0.00filing
1 Jul 2019filed 8 Jul 2019MGNI MagniteIT Services & ConsultingSEC FORM 4 Code A—15,861 at $0.00filing

News

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

Sectors

Technology2

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

Related people

Paul CaineDirector · Director at Magnite, filing Form 4 there in the last year
Haas SullivanChief Accounting Officer · Chief Accounting Officer at Magnite, filing Form 4 there in the last year
Brian GephartChief Financial Officer · Chief Financial Officer at Magnite, filing Form 4 there in the last year
Douglas S. KnopperDirector · Director at Magnite, filing Form 4 there in the last year
Robert F. SpillaneDirector · Director at Magnite, filing Form 4 there in the last year
David BuonaseraChief Technology Officer · Also traded MGNI in the last 90 days
Katie Seitz EvansOfficer · Also traded MGNI in the last 90 days
Aaron SaltzChief Legal Officer · Also traded MGNI in the last 90 days