INSIDER
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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 412m ago
HOUSE PTR11m ago
SEC 13F11m ago
ROBINHOOD CHAIN11m ago
Corporate insider
LJ

Larosa Joseph J

EVP General Counsel and SecretCIK 0001238303

EDGAR filingsOpen in network
Disclosed transactions5
Buys / sells0 / 2
Max Insider Score49
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
26
LJ
Larosa Joseph JEVP General Counsel and Secret
REGNREGENERON PHARMACEUTICALS, INC.
Option exercise
M$4.69M
12.3K sh
Nov 2, 2026Nov 4, 2026
traded Nov 2, 2026
+2dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    REGENERON PHARMACEUTICALS, INC.EVP General Counsel and Secret · Nov 4, 2026
26
LJ
Larosa Joseph JEVP General Counsel and Secret
REGNREGENERON PHARMACEUTICALS, INC.
Tax withholding
F
$8.26M
8,686 sh
Nov 2, 2026
Nov 4, 2026
traded Nov 2, 2026
+2d
SEC FORM 4

Evidence

49
LJ
Larosa Joseph JEVP General Counsel and Secret
REGNREGENERON PHARMACEUTICALS, INC.
Open-market sale
SELL$3.80M
3,939 sh
Nov 2, 2026Nov 4, 2026
traded Nov 2, 2026
+2dSEC FORM 4

Evidence

42
LJ
Larosa Joseph JEVP General Counsel and Secret
REGNREGENERON PHARMACEUTICALS, INC.
Open-market sale
SELL$509K
527 sh
Nov 2, 2026Nov 4, 2026
traded Nov 2, 2026
+2dSEC FORM 4

Evidence

9
LJ
Larosa Joseph JEVP General Counsel and Secret
REGNREGENERON PHARMACEUTICALS, INC.
Option exercise
M—
12.3K sh
Nov 2, 2026Nov 4, 2026
traded Nov 2, 2026
+2dSEC FORM 4

Evidence