Nichols Weston

10% Owner · Cullinan Therapeutics, Inc.

Every open-market stock purchase Nichols Weston has reported to the SEC on Form 4 that met our signal bar, parsed straight from the filings. This page tracks where those buys landed inside insider clusters and how the prices paid compare to where the stock trades now.

Total bought
$1.8M
Open-market buys
3
Companies
3
Last buy
Oct 28, 2025

Where the buys stand today

  • CGEM
    Cullinan Therapeutics, Inc.

    One purchase totalling $1.4M at an average of $8.40 per share. See all insider buying in CGEM →

    Avg price paid
    $8.40
    Latest price
    —
    Market cap
    $1.1B
  • TCRX
    TScan Therapeutics, Inc.
    −63.8% vs price paid

    One purchase totalling $290.0K at an average of $2.90 per share; the stock last traded at $1.05. See all insider buying in TCRX →

    Avg price paid
    $2.90
    Latest price
    $1.05
    Market cap
    $68.6M
  • PASG
    Passage BIO, Inc.

    One purchase totalling $138.3K at an average of $6.99 per share. See all insider buying in PASG →

    Avg price paid
    $6.99
    Latest price
    —
    Market cap
    $15.1M

Cluster participation

Qualifying buys grouped with other insiders buying the same stock — the pattern this site exists to catch.

All reported buys

DateTickerSharesPriceValueFiling
Oct 28, 2025
CGEMcluster
165,667$8.40$1.4MSEC ↗
Sep 12, 2025
PASGcluster
19,783$6.99$138.3KSEC ↗
Dec 13, 2024
TCRXcluster
100,000$2.90$290.0KSEC ↗

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About this data

Figures are parsed from Nichols Weston's Form 4 filings on SEC EDGAR (CIK 1746376) and cover open-market purchases (transaction code P) — grants, option exercises, and sales are excluded, which is why totals here can differ from raw filing counts. Every row links to its source document.

This page is informational and reflects public filing data. It is not investment advice.