INSIDER
01Overview02Follow the Money03Daily Brief04Live05Congress06Directory07Corporate Insiders08Government Money09Political Influence10Institutions11Washington Network12Follow the Power13Disclosure Clock14AI Investigator15Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources

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

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
01Overview02Follow the Money03Daily Brief04Live05Congress06Directory07Corporate Insiders08Government Money09Political Influence10Institutions11Washington Network12Follow the Power13Disclosure Clock14AI Investigator15Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources
SEC FORM 427m ago
HOUSE PTR27m ago
SEC 13F27m ago
ROBINHOOD CHAIN27m ago
SEC FORM 4/Open-market saleVerified dataRule 10b5-1 plan

How Antoinette sold NXDR

Chief Accounting Officer · Nextdoor Holdings, Inc. · Class A Common Stock

Side
SELL
Value
$80K
Shares
35.6K
Price
$2.25
Executed
Sep 2, 2026
Disclosed
Sep 4, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Sep 2 executedSep 4, 2026 disclosed

NXDR · 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
21/ 100 · ROUTINE
Methodology →
  • Transaction type+6 / 20

    Open-market sale

  • Relative size+16 / 25

    $80K reported value · 100.0% of prior position

  • Filing timing0 / 15

    Disclosed 2 business days after execution (deadline: 2)

  • Historical behavior+4 / 15

    3 prior trades recorded in this security

  • Frequency & clustering+5 / 15

    1 other actor 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 · NXDR

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    18
    KM
    Kiernan MichaelChief Revenue Officer
    NXDRNextdoor Holdings, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$127K
    50.0K sh
    		Oct 20, 2026Oct 22, 2026
    traded Oct 20, 2026
    		+2dSEC FORM 4

    Evidence

    12
    TN
    Tolia Nirav NDirector, CEO and President, 10% Owner
    NXDRNextdoor Holdings, Inc.
    Tax withholding
    		F$113K
    43.5K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    12
    LC
    Lisowski CraigPresident of Products
    NXDRNextdoor Holdings, Inc.
    Tax withholding
    		F$236K
    90.7K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    13
    TN
    Tolia Nirav NDirector, CEO and President, 10% Owner
    NXDRNextdoor Holdings, Inc.
    Option exercise
    		M—
    313.1K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    0
    HA
    How AntoinetteChief Accounting Officer
    NXDRNextdoor Holdings, Inc.
    Option exercise · 10b5-1 plan
    		M—
    8,105 sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    9
    TN
    Tolia Nirav NDirector, CEO and President, 10% Owner
    NXDRNextdoor Holdings, Inc.
    Option exercise
    		M—
    45.1K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    20
    PI
    Ponnambalam IndrajitCFO and Treasurer
    NXDRNextdoor Holdings, Inc.
    Tax withholding
    		F$106K
    40.6K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    19
    TN
    Tolia Nirav NDirector, CEO and President, 10% Owner
    NXDRNextdoor Holdings, Inc.
    Tax withholding
    		F$320K
    123.2K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    21
    PI
    Ponnambalam IndrajitCFO and Treasurer
    NXDRNextdoor Holdings, Inc.
    Option exercise
    		M—
    103.2K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    13
    PI
    Ponnambalam IndrajitCFO and Treasurer
    NXDRNextdoor Holdings, Inc.
    Option exercise
    		M—
    103.2K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    9
    KM
    Kiernan MichaelChief Revenue Officer
    NXDRNextdoor Holdings, Inc.
    Option exercise
    		M—
    27.6K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    0
    HA
    How AntoinetteChief Accounting Officer
    NXDRNextdoor Holdings, Inc.
    Option exercise · 10b5-1 plan
    		M—
    7,347 sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    0
    SS
    Schwartz SophiaChief Legal Officer, Secretary
    NXDRNextdoor Holdings, Inc.
    Tax withholding · 10b5-1 plan
    		F$39K
    15.0K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    0
    HA
    How AntoinetteChief Accounting Officer
    NXDRNextdoor Holdings, Inc.
    Option exercise · 10b5-1 plan
    		M—
    9,479 sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    9
    TN
    Tolia Nirav NDirector, CEO and President, 10% Owner
    NXDRNextdoor Holdings, Inc.
    Tax withholding
    		F$46K
    17.8K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    9
    LC
    Lisowski CraigPresident of Products
    NXDRNextdoor Holdings, Inc.
    Option exercise
    		M—
    178.6K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    5
    LC
    Lisowski CraigPresident of Products
    NXDRNextdoor Holdings, Inc.
    Option exercise
    		M—
    72.7K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    5
    LC
    Lisowski CraigPresident of Products
    NXDRNextdoor Holdings, Inc.
    Option exercise
    		M—
    41.4K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    8
    LC
    Lisowski CraigPresident of Products
    NXDRNextdoor Holdings, Inc.
    Tax withholding
    		F$55K
    21.0K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    17
    LC
    Lisowski CraigPresident of Products
    NXDRNextdoor Holdings, Inc.
    Option exercise
    		M—
    178.6K sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC 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
    0002083093-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Sep 2, 2026
    Published
    Sep 4, 2026
    Ingested by INSIDER
    Nov 5, 02:18 UTC
    Last re-read
    Nov 5, 02:18 UTC

    Extracted facts

    Filer
    How Antoinette
    Role
    Chief Accounting Officer
    Transaction
    Open-market saleAs filed: “S”
    Asset
    Nextdoor Holdings, Inc.
    Ticker
    NXDR
    Shares
    35.6K
    Price per share
    $2.25
    Value
    $80,118
    Execution date (reported)
    Sep 2, 2026
    Owned after transaction
    0 shares
    Rule 10b5-1 plan
    Yes, as checked by the filer
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 35.6K
    • Price: $2.2517

    = $80,118

    What this establishes

    How Antoinette filed this Form 4 reporting a open-market sale of NXDR on Sep 2, 2026. It became public on Sep 4, 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 Accounting Officer
    How Antoinettecik:0002083093
    Issuer
    Nextdoor Holdings, Inc.cik:0001846069

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.