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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 440m ago
HOUSE PTR39m ago
SEC 13F39m ago
ROBINHOOD CHAIN39m ago
SEC FORM 4/Open-market saleVerified dataRule 10b5-1 plan

Gryzlov Yury sold GDYN

CHIEF OPERATING OFFICER · GRID DYNAMICS HOLDINGS, INC. · Common Stock

Side
SELL
Value
$39K
Shares
4,849
Price
$8
Executed
Oct 8, 2026
Disclosed
Oct 8, 2026
Disclosure timeline0 days from execution to publication · legal deadline 2 business days
Oct 8 executedOct 8, 2026 disclosed

GDYN · 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
5/ 100 · ROUTINE
Methodology →
  • Transaction type+6 / 20

    Open-market sale

  • Relative size+1 / 25

    $39K reported value · 1.0% of prior position

  • Filing timing0 / 15

    Disclosed 0 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

  • Pre-arranged plan-10

    Executed under a Rule 10b5-1 trading plan

    • 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 · GDYN

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    14
    LL
    Livschitz LeonardDirector, CHIEF EXECUTIVE OFFICER
    GDYNGRID DYNAMICS HOLDINGS, INC.
    Open-market sale · 10b5-1 plan
    		SELL$120K
    10.0K sh
    		Oct 30, 2026Oct 30, 2026
    traded Oct 30, 2026
    		+0dSEC FORM 4

    Evidence

    22
    DA
    Doradla AnilCHIEF FINANCIAL OFFICER
    GDYNGRID DYNAMICS HOLDINGS, INC.
    Open-market sale · 10b5-1 plan
    		SELL$210K
    20.0K sh
    		Oct 30, 2026Oct 30, 2026
    traded Oct 30, 2026
    		+0dSEC FORM 4

    Evidence

    14
    GY
    Gryzlov YuryCHIEF OPERATING OFFICER
    GDYNGRID DYNAMICS HOLDINGS, INC.
    Open-market sale · 10b5-1 plan
    		SELL$110K
    10.5K sh
    		Oct 30, 2026Oct 30, 2026
    traded Oct 30, 2026
    		+0dSEC FORM 4

    Evidence

    18
    LL
    Livschitz LeonardDirector, CHIEF EXECUTIVE OFFICER
    GDYNGRID DYNAMICS HOLDINGS, INC.
    Open-market sale · 10b5-1 plan
    		SELL$90K
    10.0K sh
    		Oct 29, 2026Oct 30, 2026
    traded Oct 29, 2026
    		+1dSEC FORM 4

    Evidence

    9
    DA
    Doradla AnilCHIEF FINANCIAL OFFICER
    GDYNGRID DYNAMICS HOLDINGS, INC.
    Tax withholding
    		F$6,458
    738 sh
    		Oct 28, 2026Oct 29, 2026
    traded Oct 28, 2026
    		+1dSEC FORM 4

    Evidence

    16
    ZS
    Zhang ShuoDirector
    GDYNGRID DYNAMICS HOLDINGS, INC.
    Gift
    		G—
    5,134 sh
    		Aug 7, 2026Aug 10, 2026
    traded Aug 7, 2026
    		+3dSEC 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
    0001628280-26-065478
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Oct 8, 2026
    Published
    Oct 8, 2026
    Ingested by INSIDER
    Nov 5, 02:12 UTC
    Last re-read
    Nov 5, 02:12 UTC

    Extracted facts

    Filer
    Gryzlov Yury
    Role
    CHIEF OPERATING OFFICER
    Transaction
    Open-market saleAs filed: “S”
    Asset
    GRID DYNAMICS HOLDINGS, INC.
    Ticker
    GDYN
    Shares
    4,849
    Price per share
    $8
    Value
    $38,792
    Execution date (reported)
    Oct 8, 2026
    Owned after transaction
    495.3K shares
    Rule 10b5-1 plan
    Yes, as checked by the filer
    Days from execution to publication
    0

    Calculation

    Value = shares × reported price per share

    • Shares: 4,849
    • Price: $8

    = $38,792

    What this establishes

    Gryzlov Yury filed this Form 4 reporting a open-market sale of GDYN on Oct 8, 2026. It became public on Oct 8, 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
    Gryzlov Yurycik:0001805673
    Issuer
    GRID DYNAMICS HOLDINGS, INC.cik:0001743725

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.