Nichtberger Steven

Executive buyer

Director, President & CEO · Cabaletta Bio, Inc.

Every open-market stock purchase Nichtberger Steven 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
$100.8K
Open-market buys
1
Companies
1
Last buy
Jan 21, 2026

Where the buys stand today

  • CABA
    Cabaletta Bio, Inc.
    +34.4% vs price paid

    One purchase totalling $100.8K at an average of $2.24 per share; the stock last traded at $3.01. See all insider buying in CABA →

    Avg price paid
    $2.24
    Latest price
    $3.01
    Market cap
    $490.8M

Cluster participation

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

All reported buys

DateTickerSharesPriceValueFiling
Jan 21, 2026
CABAcluster
45,000$2.24$100.8KSEC ↗

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About this data

Figures are parsed from Nichtberger Steven's Form 4 filings on SEC EDGAR (CIK 1487989) 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.