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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 BriefLiveCongressDirectoryCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
01Overview02Follow the Money03Daily Brief04Live05Congress06Directory07Corporate Insiders08Government Money09Political Influence10Institutions11Washington Network12Follow the Power13Disclosure Clock14AI Investigator15Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources
SEC FORM 424m ago
HOUSE PTR24m ago
SEC 13F24m ago
ROBINHOOD CHAIN24m ago
SEC FORM 4/Option exerciseVerified data

Zheng Yenyou reported SDEV

Director · Stablecoin Development Corp · Common Stock, par value $0.01 per share

Side
M
Value
—
Shares
172
Price
—
Executed
May 28, 2025
Disclosed
Nov 5, 2026
Disclosure timeline526 days from execution to publication · legal deadline 2 business days
May 28 executedNov 5, 2026 disclosed

SDEV · 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
36/ 100 · ELEVATED
Methodology →
  • Transaction type0 / 20

    Option exercise — administrative, little informational value

  • Relative size+13 / 25

    No reported dollar value · 1146.7% of prior position

  • Filing timing+15 / 15

    Disclosed 376 business days 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 · SDEV

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    36
    SS
    Sit SwanDirector
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    172 sh
    		May 28, 2025Nov 5, 2026
    traded May 28, 2025
    		+526dSEC FORM 4

    Evidence

    36
    ZY
    Zheng YenyouDirector
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    5 sh
    		Jun 9, 2024Nov 5, 2026
    traded Jun 9, 2024
    		+879dSEC FORM 4

    Evidence

    36
    SS
    Sit SwanDirector
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    5 sh
    		Jun 9, 2024Nov 5, 2026
    traded Jun 9, 2024
    		+879dSEC FORM 4

    Evidence

    31
    SS
    Sit SwanDirector
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    6,000 sh
    		Oct 16, 2026Nov 5, 2026
    traded Oct 16, 2026
    		+20dSEC FORM 4

    Evidence

    24
    SS
    Sit SwanDirector
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    5 sh
    		Jun 9, 2024Nov 5, 2026
    traded Jun 9, 2024
    		+879dSEC FORM 4

    Evidence

    24
    SS
    Sit SwanDirector
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    172 sh
    		May 28, 2025Nov 5, 2026
    traded May 28, 2025
    		+526dSEC FORM 4

    Evidence

    24
    SS
    Sit SwanDirector
    SDEVStablecoin Development Corp
    Grant or award
    		A—
    6,000 sh
    		Oct 16, 2025Nov 5, 2026
    traded Oct 16, 2025
    		+385dSEC FORM 4

    Evidence

    19
    SS
    Sit SwanDirector
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    6,000 sh
    		Oct 16, 2026Nov 5, 2026
    traded Oct 16, 2026
    		+20dSEC FORM 4

    Evidence

    32
    FE
    Freiman Paul E.Director
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    5 sh
    		Jun 9, 2024Nov 5, 2026
    traded Jun 9, 2024
    		+879dSEC FORM 4

    Evidence

    36
    FE
    Freiman Paul E.Director
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    172 sh
    		May 28, 2025Nov 5, 2026
    traded May 28, 2025
    		+526dSEC FORM 4

    Evidence

    31
    FE
    Freiman Paul E.Director
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    6,000 sh
    		Oct 16, 2026Nov 5, 2026
    traded Oct 16, 2026
    		+20dSEC FORM 4

    Evidence

    24
    FE
    Freiman Paul E.Director
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    5 sh
    		Jun 9, 2024Nov 5, 2026
    traded Jun 9, 2024
    		+879dSEC FORM 4

    Evidence

    24
    FE
    Freiman Paul E.Director
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    172 sh
    		May 28, 2025Nov 5, 2026
    traded May 28, 2025
    		+526dSEC FORM 4

    Evidence

    24
    FE
    Freiman Paul E.Director
    SDEVStablecoin Development Corp
    Grant or award
    		A—
    6,000 sh
    		Oct 16, 2025Nov 5, 2026
    traded Oct 16, 2025
    		+385dSEC FORM 4

    Evidence

    19
    FE
    Freiman Paul E.Director
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    6,000 sh
    		Oct 16, 2026Nov 5, 2026
    traded Oct 16, 2026
    		+20dSEC FORM 4

    Evidence

    31
    ZY
    Zheng YenyouDirector
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    6,000 sh
    		Oct 16, 2026Nov 5, 2026
    traded Oct 16, 2026
    		+20dSEC FORM 4

    Evidence

    24
    ZY
    Zheng YenyouDirector
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    5 sh
    		Jun 9, 2024Nov 5, 2026
    traded Jun 9, 2024
    		+879dSEC FORM 4

    Evidence

    24
    ZY
    Zheng YenyouDirector
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    172 sh
    		May 28, 2025Nov 5, 2026
    traded May 28, 2025
    		+526dSEC FORM 4

    Evidence

    24
    ZY
    Zheng YenyouDirector
    SDEVStablecoin Development Corp
    Grant or award
    		A—
    6,000 sh
    		Oct 16, 2025Nov 5, 2026
    traded Oct 16, 2025
    		+385dSEC FORM 4

    Evidence

    19
    ZY
    Zheng YenyouDirector
    SDEVStablecoin Development Corp
    Option exercise
    		M—
    6,000 sh
    		Oct 16, 2026Nov 5, 2026
    traded Oct 16, 2026
    		+20dSEC 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
    0001437749-26-035372
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    May 28, 2025
    Published
    Nov 5, 2026
    Ingested by INSIDER
    Nov 6, 03:18 UTC
    Last re-read
    Nov 6, 18:20 UTC

    Extracted facts

    Filer
    Zheng Yenyou
    Role
    Director
    Transaction
    Option exerciseAs filed: “M”
    Asset
    Stablecoin Development Corp
    Ticker
    SDEV
    Shares
    172
    Price per share
    $0
    Execution date (reported)
    May 28, 2025
    Owned after transaction
    187 shares
    Days from execution to publication
    526

    What this establishes

    Zheng Yenyou filed this Form 4 reporting a option exercise of SDEV on May 28, 2025. It became public on Nov 5, 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
    Director
    Zheng Yenyoucik:0001330748
    Issuer
    Stablecoin Development Corpcik:0001389545

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.