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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 41h ago
HOUSE PTR1h ago
SEC 13F1h ago
ROBINHOOD CHAIN1h ago
SEC FORM 4/Tax withholdingVerified data

Mummert Mark Richard reported ALB

Chief Supply Chain Officer · ALBEMARLE CORP · Common Stock

Side
F
Value
$70K
Shares
375
Price
$186.83
Executed
Feb 24, 2026
Disclosed
Feb 26, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Feb 24 executedFeb 26, 2026 disclosed

ALB · 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
12/ 100 · ROUTINE
Methodology →
  • Transaction type0 / 20

    Tax withholding — administrative, little informational value

  • Relative size+4 / 25

$70K reported value · 2.7% of prior position

  • Filing timing0 / 15

    Disclosed 2 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 · ALB

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    15
    CT
    Collins Michelle TDirector
    ALBALBEMARLE CORP
    Grant or award
    		A—
    2 sh
    		Jul 1, 2026Jul 6, 2026
    traded Jul 1, 2026
    		+5dSEC FORM 4

    Evidence

    27
    CT
    Collins Michelle TDirector
    ALBALBEMARLE CORP
    Grant or award
    		A—
    1,250 sh
    		Jul 1, 2026Jul 6, 2026
    traded Jul 1, 2026
    		+5dSEC FORM 4

    Evidence

    13
    KC
    Krupa Ander C.General Counsel & Sec
    ALBALBEMARLE CORP
    Grant or award
    		A—
    1,796 sh
    		Mar 2, 2026Mar 4, 2026
    traded Mar 2, 2026
    		+2dSEC FORM 4

    Evidence

    17
    GM
    Gagarinas Autumn M.Chief People Officer
    ALBALBEMARLE CORP
    Grant or award
    		A—
    1,796 sh
    		Mar 2, 2026Mar 4, 2026
    traded Mar 2, 2026
    		+2dSEC FORM 4

    Evidence

    9
    CT
    Collins Michelle TDirector
    ALBALBEMARLE CORP
    Grant or award
    		A—
    325 sh
    		Feb 26, 2026Mar 2, 2026
    traded Feb 26, 2026
    		+4dSEC FORM 4

    Evidence

    9
    MR
    Mummert Mark RichardChief Supply Chain Officer
    ALBALBEMARLE CORP
    Tax withholding
    		F$29K
    159 sh
    		Feb 26, 2026Mar 2, 2026
    traded Feb 26, 2026
    		+4dSEC FORM 4

    Evidence

    9
    LR
    Lima Cynthia ReneeSVP, Ext. Affairs & Comm.
    ALBALBEMARLE CORP
    Grant or award
    		A$27K
    147 sh
    		Feb 26, 2026Mar 2, 2026
    traded Feb 26, 2026
    		+4dSEC FORM 4

    Evidence

    9
    LR
    Lima Cynthia ReneeSVP, Ext. Affairs & Comm.
    ALBALBEMARLE CORP
    Tax withholding
    		F$12K
    64 sh
    		Feb 26, 2026Mar 2, 2026
    traded Feb 26, 2026
    		+4dSEC FORM 4

    Evidence

    12
    MR
    Mummert Mark RichardChief Supply Chain Officer
    ALBALBEMARLE CORP
    Grant or award
    		A$68K
    366 sh
    		Feb 26, 2026Mar 2, 2026
    traded Feb 26, 2026
    		+4dSEC FORM 4

    Evidence

    13
    GM
    Gagarinas Autumn M.Chief People Officer
    ALBALBEMARLE CORP
    Grant or award
    		A$36K
    194 sh
    		Feb 26, 2026Mar 2, 2026
    traded Feb 26, 2026
    		+4dSEC FORM 4

    Evidence

    9
    GM
    Gagarinas Autumn M.Chief People Officer
    ALBALBEMARLE CORP
    Tax withholding
    		F$16K
    85 sh
    		Feb 26, 2026Mar 2, 2026
    traded Feb 26, 2026
    		+4dSEC FORM 4

    Evidence

    9
    KC
    Krupa Ander C.General Counsel & Sec
    ALBALBEMARLE CORP
    Tax withholding
    		F$15K
    80 sh
    		Feb 26, 2026Mar 2, 2026
    traded Feb 26, 2026
    		+4dSEC FORM 4

    Evidence

    9
    KC
    Krupa Ander C.General Counsel & Sec
    ALBALBEMARLE CORP
    Grant or award
    		A$32K
    173 sh
    		Feb 26, 2026Mar 2, 2026
    traded Feb 26, 2026
    		+4dSEC FORM 4

    Evidence

    9
    LR
    Lima Cynthia ReneeSVP, Ext. Affairs & Comm.
    ALBALBEMARLE CORP
    Tax withholding
    		F$27K
    144 sh
    		Feb 24, 2026Feb 26, 2026
    traded Feb 24, 2026
    		+2dSEC FORM 4

    Evidence

    16
    GM
    Gagarinas Autumn M.Chief People Officer
    ALBALBEMARLE CORP
    Tax withholding
    		F$70K
    377 sh
    		Feb 24, 2026Feb 26, 2026
    traded Feb 24, 2026
    		+2dSEC FORM 4

    Evidence

    9
    KC
    Krupa Ander C.General Counsel & Sec
    ALBALBEMARLE CORP
    Tax withholding
    		F$35K
    188 sh
    		Feb 24, 2026Feb 26, 2026
    traded Feb 24, 2026
    		+2dSEC FORM 4

    Evidence

    13
    GM
    Gagarinas Autumn M.Chief People Officer
    ALBALBEMARLE CORP
    Tax withholding
    		F$35K
    189 sh
    		Feb 24, 2026Feb 26, 2026
    traded Feb 24, 2026
    		+2dSEC FORM 4

    Evidence

    9
    LR
    Lima Cynthia ReneeSVP, Ext. Affairs & Comm.
    ALBALBEMARLE CORP
    Tax withholding
    		F$37K
    196 sh
    		Feb 24, 2026Feb 26, 2026
    traded Feb 24, 2026
    		+2dSEC 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
    0002014946-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Feb 24, 2026
    Published
    Feb 26, 2026
    Ingested by INSIDER
    Nov 5, 04:14 UTC
    Last re-read
    Nov 5, 04:14 UTC

    Extracted facts

    Filer
    Mummert Mark Richard
    Role
    Chief Supply Chain Officer
    Transaction
    Tax withholdingAs filed: “F”
    Asset
    ALBEMARLE CORP
    Ticker
    ALB
    Shares
    375
    Price per share
    $186.83
    Value
    $70,061
    Execution date (reported)
    Feb 24, 2026
    Owned after transaction
    14.2K shares
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 375
    • Price: $186.83

    = $70,061

    What this establishes

    Mummert Mark Richard filed this Form 4 reporting a tax withholding of ALB on Feb 24, 2026. It became public on Feb 26, 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 Supply Chain Officer
    Mummert Mark Richardcik:0002014946
    Issuer
    ALBEMARLE CORPcik:0000915913

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.