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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 42h ago
HOUSE PTR2h ago
SEC 13F2h ago
ROBINHOOD CHAIN2h ago
SEC FORM 4/Open-market saleVerified dataRule 10b5-1 plan

Foster Karen A. sold BLFS

Chief Quality and Operations · BIOLIFE SOLUTIONS INC · Common Stock

Side
SELL
Value
$11K
Shares
415
Price
$26.74
Executed
Nov 25, 2025
Disclosed
Nov 28, 2025
Disclosure timeline3 days from execution to publication · legal deadline 2 business days
Nov 25 executedNov 28, 2025 disclosed

BLFS · 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
26/ 100 · ROUTINE
Methodology →
  • Transaction type+6 / 20

    Open-market sale

  • Relative size+1 / 25

    $11K reported value · 0.2% of prior position

  • Filing timing+6 / 15

    Disclosed 3 business days after execution (deadline: 2)

  • Historical behavior+8 / 15

    First recorded trade by this actor in this security

  • Frequency & clustering+15 / 15

    6 other actors traded the same direction within 14 days

  • 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 · BLFS

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    5
    BT
    Berard ToddChief Marketing Officer
    BLFSBIOLIFE SOLUTIONS INC
    Tax withholding
    		F$5,646
    293 sh
    		Apr 8, 2026Apr 10, 2026
    traded Apr 8, 2026
    		+2dSEC FORM 4

    Evidence

    5
    MJ
    Mathew Aby J.EVP & Chief Scientific Officer
    BLFSBIOLIFE SOLUTIONS INC
    Tax withholding
    		F$9,924
    515 sh
    		Apr 8, 2026Apr 10, 2026
    traded Apr 8, 2026
    		+2dSEC FORM 4

    Evidence

    5
    WT
    Wichterman TroyChief Financial Officer
    BLFSBIOLIFE SOLUTIONS INC
    Tax withholding
    		F$16K
    844 sh
    		Apr 8, 2026Apr 10, 2026
    traded Apr 8, 2026
    		+2dSEC FORM 4

    Evidence

    49
    DA
    DuRoss AmyDirector
    BLFSBIOLIFE SOLUTIONS INC
    Open-market sale
    		SELL$54K
    2,000 sh
    		Nov 25, 2025Nov 28, 2025
    traded Nov 25, 2025
    		+3dSEC FORM 4

    Evidence

    26
    AS
    Aebersold SarahChief Human Resources Officer
    BLFSBIOLIFE SOLUTIONS INC
    Open-market sale · 10b5-1 plan
    		SELL$5,803
    217 sh
    		Nov 25, 2025Nov 28, 2025
    traded Nov 25, 2025
    		+3dSEC FORM 4

    Evidence

    26
    WS
    Werner SeanChief Technology Officer
    BLFSBIOLIFE SOLUTIONS INC
    Open-market sale · 10b5-1 plan
    		SELL$2,941
    110 sh
    		Nov 25, 2025Nov 28, 2025
    traded Nov 25, 2025
    		+3dSEC FORM 4

    Evidence

    39
    DA
    DuRoss AmyDirector
    BLFSBIOLIFE SOLUTIONS INC
    Open-market sale
    		SELL$54K
    2,000 sh
    		Nov 26, 2025Nov 28, 2025
    traded Nov 26, 2025
    		+2dSEC FORM 4

    Evidence

    26
    MJ
    Mathew Aby J.EVP & Chief Scientific Officer
    BLFSBIOLIFE SOLUTIONS INC
    Open-market sale · 10b5-1 plan
    		SELL$14K
    526 sh
    		Nov 25, 2025Nov 28, 2025
    traded Nov 25, 2025
    		+3dSEC FORM 4

    Evidence

    26
    BT
    Berard ToddChief Marketing Officer
    BLFSBIOLIFE SOLUTIONS INC
    Open-market sale · 10b5-1 plan
    		SELL$9,386
    351 sh
    		Nov 25, 2025Nov 28, 2025
    traded Nov 25, 2025
    		+3dSEC FORM 4

    Evidence

    26
    WT
    Wichterman TroyChief Financial Officer
    BLFSBIOLIFE SOLUTIONS INC
    Open-market sale · 10b5-1 plan
    		SELL$16K
    584 sh
    		Nov 25, 2025Nov 28, 2025
    traded Nov 25, 2025
    		+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
    0001628280-25-054280
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Nov 25, 2025
    Published
    Nov 28, 2025
    Ingested by INSIDER
    Nov 5, 04:30 UTC
    Last re-read
    Nov 5, 04:30 UTC

    Extracted facts

    Filer
    Foster Karen A.
    Role
    Chief Quality and Operations
    Transaction
    Open-market saleAs filed: “S”
    Asset
    BIOLIFE SOLUTIONS INC
    Ticker
    BLFS
    Shares
    415
    Price per share
    $26.74
    Value
    $11,097
    Execution date (reported)
    Nov 25, 2025
    Owned after transaction
    192.8K shares
    Rule 10b5-1 plan
    Yes, as checked by the filer
    Days from execution to publication
    3

    Calculation

    Value = shares × reported price per share

    • Shares: 415
    • Price: $26.74

    = $11,097

    What this establishes

    Foster Karen A. filed this Form 4 reporting a open-market sale of BLFS on Nov 25, 2025. It became public on Nov 28, 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
    Chief Quality and Operations
    Foster Karen A.cik:0001683151
    Issuer
    BIOLIFE SOLUTIONS INCcik:0000834365

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.