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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
SEC FORM 4/Option exerciseVerified data

Fjellman Peter reported CMP

Chief Financial Officer · COMPASS MINERALS INTERNATIONAL INC · Common Stock

Side
M
Value
—
Shares
8,321
Price
—
Executed
Jan 28, 2026
Disclosed
Jan 29, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Jan 28 executedJan 29, 2026 disclosed

CMP · 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

    Option exercise — 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 · CMP

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    21
    SD
    Safran DavidDirector
    CMPCOMPASS MINERALS INTERNATIONAL INC
    Grant or award
    		A—
    1,135 sh
    		Sep 30, 2026Oct 1, 2026
    traded Sep 30, 2026
    		+1dSEC FORM 4

    Evidence

    9
    NS
    Nichols Benjamin S.Chief Commercial Officer
    CMPCOMPASS MINERALS INTERNATIONAL INC
    Tax withholding
    		F$7,462
    247 sh
    		May 13, 2026May 14, 2026
    traded May 13, 2026
    		+1dSEC FORM 4

    Evidence

    21
    NS
    Nichols Benjamin S.Chief Commercial Officer
    CMPCOMPASS MINERALS INTERNATIONAL INC
    Option exercise
    		M—
    737 sh
    		May 13, 2026May 14, 2026
    traded May 13, 2026
    		+1dSEC FORM 4

    Evidence

    13
    NS
    Nichols Benjamin S.Chief Commercial Officer
    CMPCOMPASS MINERALS INTERNATIONAL INC
    Option exercise
    		M—
    737 sh
    		May 13, 2026May 14, 2026
    traded May 13, 2026
    		+1dSEC FORM 4

    Evidence

    21
    SD
    Safran DavidDirector
    CMPCOMPASS MINERALS INTERNATIONAL INC
    Grant or award
    		A—
    1,071 sh
    		Mar 31, 2026Apr 1, 2026
    traded Mar 31, 2026
    		+1dSEC FORM 4

    Evidence

    9
    RL
    Roberts Mark LawrenceDirector
    CMPCOMPASS MINERALS INTERNATIONAL INC
    Grant or award
    		A—
    5,032 sh
    		Mar 5, 2026Mar 9, 2026
    traded Mar 5, 2026
    		+4dSEC FORM 4

    Evidence

    9
    SD
    Safran DavidDirector
    CMPCOMPASS MINERALS INTERNATIONAL INC
    Grant or award
    		A—
    5,032 sh
    		Mar 5, 2026Mar 9, 2026
    traded Mar 5, 2026
    		+4dSEC FORM 4

    Evidence

    21
    FP
    Fjellman PeterChief Financial Officer
    CMPCOMPASS MINERALS INTERNATIONAL INC
    Option exercise
    		M—
    8,321 sh
    		Jan 28, 2026Jan 29, 2026
    traded Jan 28, 2026
    		+1dSEC FORM 4

    Evidence

    19
    RL
    Roberts Mark LawrenceDirector
    CMPCOMPASS MINERALS INTERNATIONAL INC
    Grant or award
    		A—
    196 sh
    		Dec 31, 2025Jan 29, 2026
    traded Dec 31, 2025
    		+29dSEC FORM 4

    Evidence

    19
    RL
    Roberts Mark LawrenceDirector
    CMPCOMPASS MINERALS INTERNATIONAL INC
    Grant or award
    		A—
    1,348 sh
    		Dec 18, 2025Jan 29, 2026
    traded Dec 18, 2025
    		+42dSEC FORM 4

    Evidence

    19
    SD
    Safran DavidDirector
    CMPCOMPASS MINERALS INTERNATIONAL INC
    Grant or award
    		A—
    1,348 sh
    		Dec 18, 2025Jan 29, 2026
    traded Dec 18, 2025
    		+42dSEC FORM 4

    Evidence

    19
    SD
    Safran DavidDirector
    CMPCOMPASS MINERALS INTERNATIONAL INC
    Grant or award
    		A—
    181 sh
    		Dec 31, 2025Jan 29, 2026
    traded Dec 31, 2025
    		+29dSEC FORM 4

    Evidence

    24
    FP
    Fjellman PeterChief Financial Officer
    CMPCOMPASS MINERALS INTERNATIONAL INC
    Tax withholding
    		F$70K
    2,720 sh
    		Jan 28, 2026Jan 29, 2026
    traded Jan 28, 2026
    		+1dSEC 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
    0002054940-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Jan 28, 2026
    Published
    Jan 29, 2026
    Ingested by INSIDER
    Nov 5, 04:20 UTC
    Last re-read
    Nov 5, 04:20 UTC

    Extracted facts

    Filer
    Fjellman Peter
    Role
    Chief Financial Officer
    Transaction
    Option exerciseAs filed: “M”
    Asset
    COMPASS MINERALS INTERNATIONAL INC
    Ticker
    CMP
    Shares
    8,321
    Price per share
    $0
    Execution date (reported)
    Jan 28, 2026
    Owned after transaction
    8,321 shares
    Days from execution to publication
    1

    What this establishes

    Fjellman Peter filed this Form 4 reporting a option exercise of CMP on Jan 28, 2026. It became public on Jan 29, 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 Financial Officer
    Fjellman Petercik:0002054940
    Issuer
    COMPASS MINERALS INTERNATIONAL INCcik:0001227654

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.