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Data sources

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

RH CHAIN…
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 419m ago
HOUSE PTR19m ago
SEC 13F19m ago
ROBINHOOD CHAIN19m ago
SEC FORM 4/Grant or awardVerified data

Rook Martha S. reported DCTH

CHIEF OPERATING OFFICER · DELCATH SYSTEMS, INC. · DELCATH SYSTEMS, INC. — Stock Option (Right to Buy)

Side
A
Value
—
Shares
56.5K
Price
—
Executed
Feb 17, 2026
Disclosed
Feb 18, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Feb 17 executedFeb 18, 2026 disclosed

DCTH · daily

Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.

Insider Score

Experimental signal
9/ 100 · ROUTINE
Methodology →
  • Transaction type0 / 20

    Grant or award — administrative, little informational value

  • Relative size+1 / 25

No reported dollar value · new position

  • Filing timing0 / 15

    Disclosed 1 business day after execution (deadline: 2)

  • Historical behavior+8 / 15

    First recorded trade by this actor in this security

  • Frequency & clustering0 / 15

    No clustered activity in the dataset

  • Market events0 / 10

    No material company filing within 60 days after the trade

    • The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.

    Other disclosed activity · DCTH

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    9
    RA
    Rosalind Advisors, Inc.Director
    DCTHDELCATH SYSTEMS, INC.
    Derivative conversion
    		C—
    3,627 sh
    		Oct 13, 2026Oct 14, 2026
    traded Oct 13, 2026
    		+1dSEC FORM 4

    Evidence

    12
    RA
    Rosalind Advisors, Inc.Director
    DCTHDELCATH SYSTEMS, INC.
    Other acquisition or disposition
    		J—
    27.5K sh
    		Oct 13, 2026Oct 14, 2026
    traded Oct 13, 2026
    		+1dSEC FORM 4

    Evidence

    9
    RA
    Rosalind Advisors, Inc.Director
    DCTHDELCATH SYSTEMS, INC.
    Derivative conversion
    		C—
    36 sh
    		Oct 13, 2026Oct 14, 2026
    traded Oct 13, 2026
    		+1dSEC FORM 4

    Evidence

    9
    RS
    Rook Martha S.CHIEF OPERATING OFFICER
    DCTHDELCATH SYSTEMS, INC.
    Grant or award
    		A—
    28.3K sh
    		Feb 17, 2026Feb 18, 2026
    traded Feb 17, 2026
    		+1dSEC FORM 4

    Evidence

    37
    SR
    Sylvester John RichardDirector
    DCTHDELCATH SYSTEMS, INC.
    Open-market purchase
    		BUY$39K
    4,386 sh
    		Nov 21, 2025Nov 25, 2025
    traded Nov 21, 2025
    		+4dSEC FORM 4

    Evidence

    Evidence

    Verified data

    Read directly from the primary public document; every field below is as reported by the filer.

    Source

    Document
    SEC Form 4
    Publisher
    U.S. Securities and Exchange Commission (EDGAR)
    Document ID
    0002016147-26-000003
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Feb 17, 2026
    Published
    Feb 18, 2026
    Ingested by INSIDER
    Nov 5, 04:16 UTC
    Last re-read
    Nov 5, 04:16 UTC

    Extracted facts

    Filer
    Rook Martha S.
    Role
    CHIEF OPERATING OFFICER
    Transaction
    Grant or awardAs filed: “A”
    Asset
    DELCATH SYSTEMS, INC. — Stock Option (Right to Buy)
    Ticker
    DCTH
    Shares
    56.5K
    Price per share
    $0
    Execution date (reported)
    Feb 17, 2026
    Owned after transaction
    56.5K shares
    Days from execution to publication
    1

    What this establishes

    Rook Martha S. filed this Form 4 reporting a grant or award of DCTH on Feb 17, 2026. It became public on Feb 18, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.

    Extraction

    Method
    Form 4 XML
    Confidence
    1.00
    CHIEF OPERATING OFFICER
    Rook Martha S.cik:0002016147
    Issuer
    DELCATH SYSTEMS, INC.cik:0000872912

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.