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Data sources

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

RH CHAIN…
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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 41h ago
HOUSE PTR1h ago
SEC 13F1h ago
ROBINHOOD CHAIN1h ago
SEC FORM 4/Option exerciseVerified data

Patak Stephen Paul reported BZAI

Chief Revenue Officer · Blaize Holdings, Inc. · Common Stock

Side
M
Value
—
Shares
2,500
Price
—
Executed
Oct 12, 2026
Disclosed
Oct 13, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Oct 12 executedOct 13, 2026 disclosed

BZAI · 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 type0 / 20

    Option exercise — administrative, little informational value

  • Relative size+13 / 25

No reported dollar value · 56.9% 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

    • 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 · BZAI

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    13
    PP
    Patak Stephen PaulChief Revenue Officer
    BZAIBlaize Holdings, Inc.
    Tax withholding
    		F$177
    609 sh
    		Oct 12, 2026Oct 13, 2026
    traded Oct 12, 2026
    		+1dSEC FORM 4

    Evidence

    17
    PP
    Patak Stephen PaulChief Revenue Officer
    BZAIBlaize Holdings, Inc.
    Option exercise
    		M—
    2,500 sh
    		Oct 12, 2026Oct 13, 2026
    traded Oct 12, 2026
    		+1dSEC FORM 4

    Evidence

    17
    EP
    Evans Kimberly PetersonGeneral Counsel
    BZAIBlaize Holdings, Inc.
    Option exercise
    		M—
    18.8K sh
    		Sep 1, 2026Sep 1, 2026
    traded Sep 1, 2026
    		+0dSEC FORM 4

    Evidence

    13
    EP
    Evans Kimberly PetersonGeneral Counsel
    BZAIBlaize Holdings, Inc.
    Option exercise
    		M—
    18.8K sh
    		Sep 1, 2026Sep 1, 2026
    traded Sep 1, 2026
    		+0dSEC FORM 4

    Evidence

    13
    EP
    Evans Kimberly PetersonGeneral Counsel
    BZAIBlaize Holdings, Inc.
    Tax withholding
    		F$3,297
    6,728 sh
    		Sep 1, 2026Sep 1, 2026
    traded Sep 1, 2026
    		+0dSEC FORM 4

    Evidence

    9
    LJ
    Lauk Kurt JDirector
    BZAIBlaize Holdings, Inc.
    Grant or award
    		A—
    618.6K sh
    		Aug 13, 2026Aug 17, 2026
    traded Aug 13, 2026
    		+4dSEC FORM 4

    Evidence

    14
    SH
    Sehmi HarminderChief Financial Officer
    BZAIBlaize Holdings, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$56K
    40.6K sh
    		Jul 1, 2026Jul 6, 2026
    traded Jul 1, 2026
    		+5dSEC FORM 4

    Evidence

    7
    CA
    Cannestra AnthonyDirector
    BZAIBlaize Holdings, Inc.
    Option exercise · 10b5-1 plan
    		M—
    50.0K sh
    		Jun 8, 2026Jun 10, 2026
    traded Jun 8, 2026
    		+2dSEC FORM 4

    Evidence

    0
    CA
    Cannestra AnthonyDirector
    BZAIBlaize Holdings, Inc.
    Option exercise · 10b5-1 plan
    		M$28K
    50.0K sh
    		Jun 8, 2026Jun 10, 2026
    traded Jun 8, 2026
    		+2dSEC FORM 4

    Evidence

    21
    CA
    Cannestra AnthonyDirector
    BZAIBlaize Holdings, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$84K
    50.0K sh
    		Jun 8, 2026Jun 10, 2026
    traded Jun 8, 2026
    		+2dSEC FORM 4

    Evidence

    9
    EP
    Evans Kimberly PetersonGeneral Counsel
    BZAIBlaize Holdings, Inc.
    Option exercise
    		M—
    75.0K sh
    		Jun 1, 2026Jun 3, 2026
    traded Jun 1, 2026
    		+2dSEC FORM 4

    Evidence

    21
    EP
    Evans Kimberly PetersonGeneral Counsel
    BZAIBlaize Holdings, Inc.
    Tax withholding
    		F$48K
    27.0K sh
    		Jun 1, 2026Jun 3, 2026
    traded Jun 1, 2026
    		+2dSEC FORM 4

    Evidence

    13
    SH
    Sehmi HarminderChief Financial Officer
    BZAIBlaize Holdings, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$74K
    40.6K sh
    		Jun 1, 2026Jun 3, 2026
    traded Jun 1, 2026
    		+2dSEC FORM 4

    Evidence

    21
    EP
    Evans Kimberly PetersonGeneral Counsel
    BZAIBlaize Holdings, Inc.
    Option exercise
    		M—
    75.0K sh
    		Jun 1, 2026Jun 3, 2026
    traded Jun 1, 2026
    		+2dSEC FORM 4

    Evidence

    0
    CA
    Cannestra AnthonyDirector
    BZAIBlaize Holdings, Inc.
    Option exercise · 10b5-1 plan
    		M$28K
    50.0K sh
    		May 11, 2026May 12, 2026
    traded May 11, 2026
    		+1dSEC FORM 4

    Evidence

    21
    CA
    Cannestra AnthonyDirector
    BZAIBlaize Holdings, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$93K
    50.0K sh
    		May 11, 2026May 12, 2026
    traded May 11, 2026
    		+1dSEC FORM 4

    Evidence

    7
    CA
    Cannestra AnthonyDirector
    BZAIBlaize Holdings, Inc.
    Option exercise · 10b5-1 plan
    		M—
    50.0K sh
    		May 11, 2026May 12, 2026
    traded May 11, 2026
    		+1dSEC FORM 4

    Evidence

    18
    SH
    Sehmi HarminderChief Financial Officer
    BZAIBlaize Holdings, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$80K
    40.6K sh
    		May 1, 2026May 5, 2026
    traded May 1, 2026
    		+4dSEC FORM 4

    Evidence

    0
    SH
    Sehmi HarminderChief Financial Officer
    BZAIBlaize Holdings, Inc.
    Option exercise · 10b5-1 plan
    		M—
    505.1K sh
    		Apr 20, 2026Apr 22, 2026
    traded Apr 20, 2026
    		+2dSEC FORM 4

    Evidence

    29
    SH
    Sehmi HarminderChief Financial Officer
    BZAIBlaize Holdings, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$281K
    123.5K sh
    		Apr 20, 2026Apr 22, 2026
    traded Apr 20, 2026
    		+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
    0002123306-26-000006
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Oct 12, 2026
    Published
    Oct 13, 2026
    Ingested by INSIDER
    Nov 5, 02:12 UTC
    Last re-read
    Nov 5, 02:12 UTC

    Extracted facts

    Filer
    Patak Stephen Paul
    Role
    Chief Revenue Officer
    Transaction
    Option exerciseAs filed: “M”
    Asset
    Blaize Holdings, Inc.
    Ticker
    BZAI
    Shares
    2,500
    Price per share
    $0
    Execution date (reported)
    Oct 12, 2026
    Owned after transaction
    6,891 shares
    Days from execution to publication
    1

    What this establishes

    Patak Stephen Paul filed this Form 4 reporting a option exercise of BZAI on Oct 12, 2026. It became public on Oct 13, 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 Revenue Officer
    Patak Stephen Paulcik:0002123306
    Issuer
    Blaize Holdings, Inc.cik:0001871638

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.