Disclosure profile

Who’s trading MGNI?

MAGNITE, INC. (MGNI)

Every disclosed Congress and corporate-insider transaction in MGNI (MAGNITE, INC. (MGNI)): 101 trades from 17 politicians and executives, each AI-scored. Updated as new filings land.

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FilerActionAmountFiledScore

MAGNITE, INC. (MGNI)SEC 8-K——2026-09-216

Knopper Douglas SSEC Form 4Sell$978k2026-09-183

Caine PaulSEC Form 4Sell$199k2026-09-183

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$476k2026-09-176

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$888k2026-09-175

Spillane Robert FSEC Form 4—$239k2026-09-166

Buonasera DavidSEC Form 4Sell$28k2026-09-163

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$246k2026-09-145

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$28k2026-09-144

Caine PaulSEC Form 4Sell$118k2026-09-114

Saltz AaronSEC Form 4Sell$936k2026-09-113

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$336k2026-09-116

Evans Katie SeitzSEC Form 4—$764k2026-09-105

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$1.4M2026-09-106

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$236k2026-09-105

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$260k2026-09-096

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$763k2026-09-086

Buonasera DavidSEC Form 4Sell$127k2026-09-033

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$26k2026-09-024

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$126k2026-09-014

Harden Sarah PatriciaSEC Form 4Sell$711k2026-08-283

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$442k2026-08-285

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$712k2026-08-264

BARRETT MICHAEL G.SEC Form 4—$258k2026-08-183

Caine PaulSEC Form 4Sell$188k2026-08-183

Day DavidSEC Form 4—$349k2026-08-183

Evans Katie SeitzSEC Form 4—$277k2026-08-183

Gephart BrianSEC Form 4—$94k2026-08-183

Saltz AaronSEC Form 4—$140k2026-08-183

Buckley Sean PatrickSEC Form 4—$68k2026-08-183

Buonasera DavidSEC Form 4—$201k2026-08-183

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$67k2026-08-184

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$205k2026-08-174

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$61k2026-08-146

Day DavidSEC Form 4——2026-08-143

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC 13GSell—2026-08-134

Caine PaulSEC Form 4Sell$122k2026-08-123

Lam RachelSEC Form 4Sell$242k2026-08-124

Gephart BrianSEC Form 4Sell$308k2026-08-123

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$242k2026-08-106

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$308k2026-08-106

BARRETT MICHAEL G.SEC Form 4—$6.7M2026-08-074

Knopper Douglas SSEC Form 4Sell$848k2026-08-074

Evans Katie SeitzSEC Form 4—$480k2026-08-074

Buckley Sean PatrickSEC Form 4—$399k2026-08-075

Buonasera DavidSEC Form 4Sell$95k2026-08-074

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$179k2026-08-065

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$376k2026-08-064

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$480k2026-08-065

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$395k2026-08-065

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$1.4M2026-08-066

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$6.7M2026-08-066

BARRETT MICHAEL G.SEC Form 4—$785k2026-07-175

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$786k2026-07-156

Caine PaulSEC Form 4Sell$103k2026-07-143

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$318k2026-07-105

Buckley Sean PatrickSEC Form 4Sell$404k2026-07-094

Buonasera DavidSEC Form 4Sell$26k2026-07-093

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$26k2026-07-073

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$168k2026-07-074

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$401k2026-07-074

Buonasera DavidSEC Form 4Sell$188k2026-07-023

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$160k2026-07-014

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$188k2026-07-016

BARRETT MICHAEL G.SEC Form 4—$1.5M2026-07-015

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy$1.5M2026-06-295

Buckley Sean PatrickSEC Form 4Sell—2026-06-183

BARRETT MICHAEL G.SEC Form 4——2026-06-176

Buonasera DavidSEC Form 4Sell—2026-06-174

Knopper Douglas SSEC Form 4Sell—2026-06-173

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-06-174

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-06-164

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-06-166

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-06-164

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-06-165

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-06-154

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-06-155

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-06-154

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-06-114

PEARSON DAVID T.SEC Form 4——2026-06-105

Lam RachelSEC Form 4——2026-06-103

Rossman JamesSEC Form 4——2026-06-104

Knopper Douglas SSEC Form 4——2026-06-105

Harden Sarah PatriciaSEC Form 4——2026-06-104

Spillane Robert FSEC Form 4——2026-06-103

Yu DianeSEC Form 4——2026-06-103

Caine PaulSEC Form 4——2026-06-104

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-06-103

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-06-104

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-06-096

Buonasera DavidSEC Form 4Sell—2026-06-033

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-06-014

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-05-274

Day DavidSEC Form 4——2026-05-193

Evans Katie SeitzSEC Form 4——2026-05-193

Buonasera DavidSEC Form 4——2026-05-193

Saltz AaronSEC Form 4——2026-05-193

Buckley Sean PatrickSEC Form 4——2026-05-193

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-05-194

MAGNITE, INC. (MGNI) (CIK 0001595974)SEC Form 144Buy—2026-05-184

Public-record disclosures (SEC Form 4 & Congressional PTRs). Research tool, not investment advice.