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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 44h ago
HOUSE PTR4h ago
SEC 13F4h ago
ROBINHOOD CHAIN4h ago
SEC FORM 4/Open-market saleVerified dataRule 10b5-1 plan

Schumacher Daniel sold PRLB

Chief Financial Officer · Proto Labs Inc · Common Stock

Side
SELL
Value
$477K
Shares
5,000
Price
$95.32
Executed
Sep 24, 2026
Disclosed
Sep 25, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Sep 24 executedSep 25, 2026 disclosed

PRLB · 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
15/ 100 · ROUTINE
Methodology →
  • Transaction type+6 / 20

    Open-market sale

  • Relative size+11 / 25

    $477K reported value · 12.5% of prior 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

  • 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 · PRLB

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    34
    GR
    Gawlick RainerDirector
    PRLBProto Labs Inc
    Open-market purchase
    		BUY$49K
    720 sh
    		Nov 3, 2026Nov 4, 2026
    traded Nov 3, 2026
    		+1dSEC FORM 4

    Evidence

    37
    KS
    Krishna SureshDirector, President and CEO
    PRLBProto Labs Inc
    Open-market purchase
    		BUY$52K
    750 sh
    		Nov 2, 2026Nov 4, 2026
    traded Nov 2, 2026
    		+2dSEC FORM 4

    Evidence

    23
    SD
    Schumacher DanielChief Financial Officer
    PRLBProto Labs Inc
    Tax withholding
    		F$362K
    6,809 sh
    		Feb 10, 2026Feb 12, 2026
    traded Feb 10, 2026
    		+2dSEC FORM 4

    Evidence

    9
    SD
    Schumacher DanielChief Financial Officer
    PRLBProto Labs Inc
    Option exercise
    		M—
    3,135 sh
    		Feb 11, 2026Feb 12, 2026
    traded Feb 11, 2026
    		+1dSEC FORM 4

    Evidence

    16
    SD
    Schumacher DanielChief Financial Officer
    PRLBProto Labs Inc
    Option exercise
    		M$106K
    3,135 sh
    		Feb 11, 2026Feb 12, 2026
    traded Feb 11, 2026
    		+1dSEC FORM 4

    Evidence

    12
    KR
    Kenison Michael R.Chief Operations Officer
    PRLBProto Labs Inc
    Tax withholding
    		F$143K
    2,684 sh
    		Feb 10, 2026Feb 12, 2026
    traded Feb 10, 2026
    		+2dSEC FORM 4

    Evidence

    12
    KR
    Kenison Michael R.Chief Operations Officer
    PRLBProto Labs Inc
    Open-market sale · 10b5-1 plan
    		SELL$153K
    3,048 sh
    		Nov 25, 2025Nov 26, 2025
    traded Nov 25, 2025
    		+1dSEC FORM 4

    Evidence

    6
    KR
    Kenison Michael R.Chief Operations Officer
    PRLBProto Labs Inc
    Option exercise · 10b5-1 plan
    		M$103K
    3,048 sh
    		Nov 25, 2025Nov 26, 2025
    traded Nov 25, 2025
    		+1dSEC FORM 4

    Evidence

    11
    KR
    Kenison Michael R.Chief Operations Officer
    PRLBProto Labs Inc
    Option exercise · 10b5-1 plan
    		M—
    3,048 sh
    		Nov 25, 2025Nov 26, 2025
    traded Nov 25, 2025
    		+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
    0001628280-26-063573
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Sep 24, 2026
    Published
    Sep 25, 2026
    Ingested by INSIDER
    Nov 5, 02:15 UTC
    Last re-read
    Nov 5, 02:15 UTC

    Extracted facts

    Filer
    Schumacher Daniel
    Role
    Chief Financial Officer
    Transaction
    Open-market saleAs filed: “S”
    Asset
    Proto Labs Inc
    Ticker
    PRLB
    Shares
    5,000
    Price per share
    $95.32
    Value
    $476,605
    Execution date (reported)
    Sep 24, 2026
    Owned after transaction
    35.0K shares
    Rule 10b5-1 plan
    Yes, as checked by the filer
    Days from execution to publication
    1

    Calculation

    Value = shares × reported price per share

    • Shares: 5,000
    • Price: $95.3209

    = $476,605

    What this establishes

    Schumacher Daniel filed this Form 4 reporting a open-market sale of PRLB on Sep 24, 2026. It became public on Sep 25, 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
    Schumacher Danielcik:0001894753
    Issuer
    Proto Labs Inccik:0001443669

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.