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

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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/Open-market saleVerified data

Pelizzon David R sold ATEC

Director, 10% Owner · Alphatec Holdings, Inc. · Common Stock

Side
SELL
Value
$5.20M
Shares
250.0K
Price
$20.8
Executed
Nov 12, 2025
Disclosed
Nov 14, 2025
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Nov 12 executedNov 14, 2025 disclosed

ATEC · 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
40/ 100 · ELEVATED
Methodology →
  • Transaction type+12 / 20

    Open-market sale

  • Relative size+10 / 25

    $5.2M reported value · 2.2% 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 & clustering+10 / 15

    2 other actors traded the same direction within 14 days

  • 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 · ATEC

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    21
    CA
    Carls Thomas AndrewEVP, Data & Imaging Solutions
    ATECAlphatec Holdings, Inc.
    Grant or award
    A—
    200.0K sh
    Oct 5, 2026Oct 5, 2026
    traded Oct 5, 2026
    +0dSEC FORM 4

    Evidence

    12
    LS
    Lish ScottCHIEF OPERATING OFFICER
    ATECAlphatec Holdings, Inc.
    Open-market sale · 10b5-1 plan
    SELL$391K
    19.9K sh
    Dec 16, 2025Dec 18, 2025
    traded Dec 16, 2025
    +2dSEC FORM 4

    Evidence

    15
    KT
    Koning John ToddCHIEF FINANCIAL OFFICER
    ATECAlphatec Holdings, Inc.
    Tax withholding
    F$327K
    15.3K sh
    Dec 8, 2025Dec 10, 2025
    traded Dec 8, 2025
    +2dSEC FORM 4

    Evidence

    36
    SD
    Sponsel DavidEVP, SALES
    ATECAlphatec Holdings, Inc.
    Open-market sale
    SELL$21K
    988 sh
    Dec 8, 2025Dec 10, 2025
    traded Dec 8, 2025
    +2dSEC FORM 4

    Evidence

    35
    LS
    Lish ScottCHIEF OPERATING OFFICER
    ATECAlphatec Holdings, Inc.
    Open-market sale
    SELL$233K
    10.9K sh
    Dec 5, 2025Dec 9, 2025
    traded Dec 5, 2025
    +4dSEC FORM 4

    Evidence

    41
    SC
    Squadron Capital LLC10% Owner
    ATECAlphatec Holdings, Inc.
    Open-market sale
    SELL$5.16M
    250.0K sh
    Nov 24, 2025Nov 25, 2025
    traded Nov 24, 2025
    +1dSEC FORM 4

    Evidence

    41
    PR
    Pelizzon David RDirector, 10% Owner
    ATECAlphatec Holdings, Inc.
    Open-market sale
    SELL$5.16M
    250.0K sh
    Nov 24, 2025Nov 25, 2025
    traded Nov 24, 2025
    +1dSEC FORM 4

    Evidence

    9
    LS
    Lish ScottCHIEF OPERATING OFFICER
    ATECAlphatec Holdings, Inc.
    Option exercise
    M—
    25.0K sh
    Nov 20, 2025Nov 21, 2025
    traded Nov 20, 2025
    +1dSEC FORM 4

    Evidence

    12
    LS
    Lish ScottCHIEF OPERATING OFFICER
    ATECAlphatec Holdings, Inc.
    Option exercise
    M$91K
    25.0K sh
    Nov 20, 2025Nov 21, 2025
    traded Nov 20, 2025
    +1dSEC FORM 4

    Evidence

    37
    LS
    Lish ScottCHIEF OPERATING OFFICER
    ATECAlphatec Holdings, Inc.
    Open-market sale
    SELL$495K
    25.0K sh
    Nov 20, 2025Nov 21, 2025
    traded Nov 20, 2025
    +1dSEC FORM 4

    Evidence

    40
    SC
    Squadron Capital LLC10% Owner
    ATECAlphatec Holdings, Inc.
    Open-market sale
    SELL$5.20M
    250.0K sh
    Nov 12, 2025Nov 14, 2025
    traded Nov 12, 2025
    +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
    0001719217-25-000003
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Nov 12, 2025
    Published
    Nov 14, 2025
    Ingested by INSIDER
    Nov 5, 04:33 UTC
    Last re-read
    Nov 5, 04:33 UTC

    Extracted facts

    Filer
    Pelizzon David R
    Role
    Director, 10% Owner
    Transaction
    Open-market saleAs filed: “S”
    Asset
    Alphatec Holdings, Inc.
    Ticker
    ATEC
    Shares
    250.0K
    Price per share
    $20.8
    Value
    $5,200,000
    Execution date (reported)
    Nov 12, 2025
    Owned after transaction
    11.15M shares
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 250.0K
    • Price: $20.8

    = $5,200,000

    What this establishes

    Pelizzon David R filed this Form 4 reporting a open-market sale of ATEC on Nov 12, 2025. It became public on Nov 14, 2025. 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, 10% Owner
    Pelizzon David Rcik:0001719217
    Issuer
    Alphatec Holdings, Inc.cik:0001350653

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.