INSIDER
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ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 45h ago
HOUSE PTR5h ago
SEC 13F5h ago
ROBINHOOD CHAIN5h ago
Corporate insider
BD

Buonasera David

CHIEF TECHNOLOGY OFFICERCIK 0001966857

EDGAR filingsOpen in network
Disclosed transactions8
Buys / sells0 / 4
Max Insider Score18
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
11
BD
Buonasera DavidCHIEF TECHNOLOGY OFFICER
MGNIMAGNITE, INC.
Open-market sale · 10b5-1 plan
SELL$28K
1,165 sh
Sep 14, 2026Sep 16, 2026
traded Sep 14, 2026
+2dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    MAGNITE, INC.CHIEF TECHNOLOGY OFFICER · Nov 18, 2025
18
BD
Buonasera DavidCHIEF TECHNOLOGY OFFICER
MGNIMAGNITE, INC.
Open-market sale · 10b5-1 plan
SELL
$62K
2,602 sh
Aug 6, 2026
Aug 7, 2026
traded Aug 6, 2026
+1d
SEC FORM 4

Evidence

15
BD
Buonasera DavidCHIEF TECHNOLOGY OFFICER
MGNIMAGNITE, INC.
Open-market sale · 10b5-1 plan
SELL$22K
871 sh
Aug 6, 2026Aug 7, 2026
traded Aug 6, 2026
+1dSEC FORM 4

Evidence

18
BD
Buonasera DavidCHIEF TECHNOLOGY OFFICER
MGNIMAGNITE, INC.
Open-market sale · 10b5-1 plan
SELL$95K
4,176 sh
Aug 6, 2026Aug 7, 2026
traded Aug 6, 2026
+1dSEC FORM 4

Evidence

12
BD
Buonasera DavidCHIEF TECHNOLOGY OFFICER
MGNIMAGNITE, INC.
Tax withholding
F$199K
12.3K sh
Jan 9, 2026Jan 12, 2026
traded Jan 9, 2026
+3dSEC FORM 4

Evidence

9
BD
Buonasera DavidCHIEF TECHNOLOGY OFFICER
MGNIMAGNITE, INC.
Option exercise
M—
22.9K sh
Jan 9, 2026Jan 12, 2026
traded Jan 9, 2026
+3dSEC FORM 4

Evidence

13
BD
Buonasera DavidCHIEF TECHNOLOGY OFFICER
MGNIMAGNITE, INC.
Option exercise
M—
22.9K sh
Jan 9, 2026Jan 12, 2026
traded Jan 9, 2026
+3dSEC FORM 4

Evidence

12
BD
Buonasera DavidCHIEF TECHNOLOGY OFFICER
MGNIMAGNITE, INC.
Tax withholding
F$101K
7,129 sh
Nov 15, 2025Nov 18, 2025
traded Nov 15, 2025
+3dSEC FORM 4

Evidence