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

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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 43h ago
HOUSE PTR3h ago
SEC 13F3h ago
ROBINHOOD CHAIN3h ago
SEC FORM 4/Tax withholdingVerified data

Ruddy Marcella K. reported TECX

Chief Medical Officer · Tectonic Therapeutic, Inc. · Common Stock

Side
F
Value
$48K
Shares
2,064
Price
$23.22
Executed
Feb 4, 2026
Disclosed
Feb 10, 2026
Disclosure timeline6 days from execution to publication · legal deadline 2 business days
Feb 4 executedFeb 10, 2026 disclosed

TECX · 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 type0 / 20

    Tax withholding — administrative, little informational value

  • Relative size+1 / 25

$48K reported value · 4.0% of prior position

  • Filing timing+6 / 15

    Disclosed 4 business days 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 · TECX

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    21
    RA
    Reicin AliseDirector, Chief Executive Officer
    TECXTectonic Therapeutic, Inc.
    Option exercise
    M—
    10.0K sh
    Oct 26, 2026Oct 28, 2026
    traded Oct 26, 2026
    +2dSEC FORM 4

    Evidence

    9
    RA
    Reicin AliseDirector, Chief Executive Officer
    TECXTectonic Therapeutic, Inc.
    Option exercise
    M$24K
    10.0K sh
    Oct 26, 2026Oct 28, 2026
    traded Oct 26, 2026
    +2dSEC FORM 4

    Evidence

    0
    MP
    McNamara PeterChief Scientific Officer
    TECXTectonic Therapeutic, Inc.
    Open-market sale · 10b5-1 plan
    SELL$12K
    536 sh
    Sep 30, 2026Oct 2, 2026
    traded Sep 30, 2026
    +2dSEC FORM 4

    Evidence

    0
    MP
    McNamara PeterChief Scientific Officer
    TECXTectonic Therapeutic, Inc.
    Tax withholding · 10b5-1 plan
    F$11K
    444 sh
    Sep 25, 2026Oct 2, 2026
    traded Sep 25, 2026
    +7dSEC FORM 4

    Evidence

    11
    RK
    Ruddy Marcella K.Chief Medical Officer
    TECXTectonic Therapeutic, Inc.
    Tax withholding
    F$12K
    525 sh
    Sep 25, 2026Oct 2, 2026
    traded Sep 25, 2026
    +7dSEC FORM 4

    Evidence

    15
    SM
    Schwabish MarcChief Business Officer
    TECXTectonic Therapeutic, Inc.
    Tax withholding
    F$9,728
    411 sh
    Sep 25, 2026Oct 2, 2026
    traded Sep 25, 2026
    +7dSEC FORM 4

    Evidence

    8
    MP
    McNamara PeterChief Scientific Officer
    TECXTectonic Therapeutic, Inc.
    Grant or award
    A—
    21.0K sh
    Sep 3, 2026Sep 8, 2026
    traded Sep 3, 2026
    +5dSEC FORM 4

    Evidence

    15
    LD
    Lochner DanielChief Financial Officer
    TECXTectonic Therapeutic, Inc.
    Grant or award
    A—
    24.3K sh
    Sep 3, 2026Sep 8, 2026
    traded Sep 3, 2026
    +5dSEC FORM 4

    Evidence

    15
    SM
    Schwabish MarcChief Business Officer
    TECXTectonic Therapeutic, Inc.
    Grant or award
    A—
    17.8K sh
    Sep 3, 2026Sep 8, 2026
    traded Sep 3, 2026
    +5dSEC FORM 4

    Evidence

    11
    RK
    Ruddy Marcella K.Chief Medical Officer
    TECXTectonic Therapeutic, Inc.
    Grant or award
    A—
    24.3K sh
    Sep 3, 2026Sep 8, 2026
    traded Sep 3, 2026
    +5dSEC FORM 4

    Evidence

    0
    MP
    McNamara PeterChief Scientific Officer
    TECXTectonic Therapeutic, Inc.
    Option exercise · 10b5-1 plan
    M$633
    43 sh
    Aug 25, 2026Aug 26, 2026
    traded Aug 25, 2026
    +1dSEC FORM 4

    Evidence

    0
    MP
    McNamara PeterChief Scientific Officer
    TECXTectonic Therapeutic, Inc.
    Open-market sale · 10b5-1 plan
    SELL$1,570
    43 sh
    Aug 25, 2026Aug 26, 2026
    traded Aug 25, 2026
    +1dSEC FORM 4

    Evidence

    0
    MP
    McNamara PeterChief Scientific Officer
    TECXTectonic Therapeutic, Inc.
    Option exercise · 10b5-1 plan
    M—
    43 sh
    Aug 25, 2026Aug 26, 2026
    traded Aug 25, 2026
    +1dSEC FORM 4

    Evidence

    0
    MP
    McNamara PeterChief Scientific Officer
    TECXTectonic Therapeutic, Inc.
    Option exercise · 10b5-1 plan
    M$633
    43 sh
    Aug 12, 2026Aug 14, 2026
    traded Aug 12, 2026
    +2dSEC FORM 4

    Evidence

    1
    MP
    McNamara PeterChief Scientific Officer
    TECXTectonic Therapeutic, Inc.
    Open-market sale · 10b5-1 plan
    SELL$1,505
    43 sh
    Aug 12, 2026Aug 14, 2026
    traded Aug 12, 2026
    +2dSEC FORM 4

    Evidence

    0
    MP
    McNamara PeterChief Scientific Officer
    TECXTectonic Therapeutic, Inc.
    Option exercise · 10b5-1 plan
    M—
    43 sh
    Aug 12, 2026Aug 14, 2026
    traded Aug 12, 2026
    +2dSEC FORM 4

    Evidence

    0
    MP
    McNamara PeterChief Scientific Officer
    TECXTectonic Therapeutic, Inc.
    Option exercise · 10b5-1 plan
    M$2,530
    172 sh
    Jun 30, 2026Jul 1, 2026
    traded Jun 30, 2026
    +1dSEC FORM 4

    Evidence

    0
    MP
    McNamara PeterChief Scientific Officer
    TECXTectonic Therapeutic, Inc.
    Option exercise · 10b5-1 plan
    M—
    172 sh
    Jun 30, 2026Jul 1, 2026
    traded Jun 30, 2026
    +1dSEC FORM 4

    Evidence

    1
    MP
    McNamara PeterChief Scientific Officer
    TECXTectonic Therapeutic, Inc.
    Open-market sale · 10b5-1 plan
    SELL$6,020
    172 sh
    Jun 30, 2026Jul 1, 2026
    traded Jun 30, 2026
    +1dSEC FORM 4

    Evidence

    9
    TP
    Tipirneni Praveen P.Director
    TECXTectonic Therapeutic, Inc.
    Grant or award
    A—
    10.2K sh
    Jun 9, 2026Jun 10, 2026
    traded Jun 9, 2026
    +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
    0002023849-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Feb 4, 2026
    Published
    Feb 10, 2026
    Ingested by INSIDER
    Nov 5, 04:17 UTC
    Last re-read
    Nov 5, 04:17 UTC

    Extracted facts

    Filer
    Ruddy Marcella K.
    Role
    Chief Medical Officer
    Transaction
    Tax withholdingAs filed: “F”
    Asset
    Tectonic Therapeutic, Inc.
    Ticker
    TECX
    Shares
    2,064
    Price per share
    $23.22
    Value
    $47,926
    Execution date (reported)
    Feb 4, 2026
    Owned after transaction
    53.2K shares
    Days from execution to publication
    6

    Calculation

    Value = shares × reported price per share

    • Shares: 2,064
    • Price: $23.22

    = $47,926

    What this establishes

    Ruddy Marcella K. filed this Form 4 reporting a tax withholding of TECX on Feb 4, 2026. It became public on Feb 10, 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 Medical Officer
    Ruddy Marcella K.cik:0002023849
    Issuer
    Tectonic Therapeutic, Inc.cik:0001681087

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.