Castellum, Inc.·4

Mar 18, 4:43 PM ET

Merriman Andrew 4

4 · Castellum, Inc. · Filed Mar 18, 2026

Research Summary

AI-generated summary of this filing

Updated

Castellum (CTM) COO Merriman Buys 3,000 Shares

What Happened
Merriman Andrew, Chief Operating Officer of Castellum, Inc. (CTM), reported a purchase of 3,000 shares on March 18, 2026. The filing shows a purchase price of $0.80 per share for a reported total of $2,395. This was an acquisition (Form 4 code P), which is a purchase rather than a sale.

Key Details

  • Transaction date: 2026-03-18. Price: $0.80 per share. Total value reported: $2,395.
  • Shares acquired: 3,000. Filing indicates acquisition (code P).
  • Shares owned after transaction: not specified in the information provided in your summary/excerpt.
  • Footnotes/plans: the provided excerpt does not indicate a 10b5-1 trading plan, tax withholding, or other special footnotes.
  • Timeliness: the Form 4 was filed with a report date of 2026-03-18; no late filing was noted in the provided data.

Context
Purchases by executives can be interpreted as a positive signal, but this transaction is small in dollar terms and may be routine or administrative. No derivatives (options) or immediate sales were reported in the provided details. For fuller context, check the complete Form 4 for total holdings and any footnotes clarifying the purchase method (open market vs. private placement).

Insider Transaction Report

Form 4
Period: 2026-03-18
Merriman Andrew
Chief Operating Officer
Transactions
  • Purchase

    Common Stock

    2026-03-18$0.80/sh+3,000$2,395534,000 total
Signature
/s/ Andrew Merriman|2026-03-18

Documents

1 file
  • 4
    wk-form4_1773866630.xmlPrimary

    FORM 4