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 43h ago
HOUSE PTR3h ago
SEC 13F3h ago
ROBINHOOD CHAIN3h ago
Corporate insider
PS

Parker Mark S

PresidentCIK 0001915363

EDGAR filingsOpen in network
Disclosed transactions3
Buys / sells2 / 0
Max Insider Score41
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
41
PS
Parker Mark SPresident
HYFMHYDROFARM HOLDINGS GROUP, INC.
Open-market purchase
BUY$20K
22.1K sh
Oct 27, 2026Oct 29, 2026
traded Oct 27, 2026
+2dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    HYDROFARM HOLDINGS GROUP, INC.President · Jan 8, 2026
41
PS
Parker Mark SPresident
HYFMHYDROFARM HOLDINGS GROUP, INC.
Open-market purchase
BUY
—
22.1K sh
Oct 27, 2026
Oct 29, 2026
traded Oct 27, 2026
+2d
SEC FORM 4

Evidence

13
PS
Parker Mark SPresident
HYFMHYDROFARM HOLDINGS GROUP, INC.
Tax withholding
F$2,525
1,672 sh
Jan 6, 2026Jan 8, 2026
traded Jan 6, 2026
+2dSEC FORM 4

Evidence