Castellum (CTM) CFO David T. Bell Buys 1,396 Shares

What Happened
David T. Bell, Chief Financial Officer of Castellum, Inc. (CTM), purchased 1,396 shares of Castellum common stock on 2026-10-01. The shares were acquired at a per-share price of $0.54, for a total cost of approximately $747. This was a purchase (transaction code P) rather than a sale.

Key Details

• Transaction date: 2026-10-01. Filing date/accession: 2026-10-01. No late filing indicated.
• Transaction type: Purchase (P) — acquired under the Castellum, Inc. 2025 Employee Stock Purchase Plan (ESPP).
• Price: $0.54 per share; Total value: ~$747.
• Shares owned after transaction: Not disclosed in the Form 4 filing.
• Footnote: Purchase price was a 15% discount to the NYSE American closing price on 2026-09-30, per the ESPP terms.

Context
This was an ESPP purchase, a common employee benefit that buys shares at a discount (here, 15%) and is often funded via payroll deductions. Such purchases reflect participation in a company plan but do not by themselves prove broader insider sentiment.