Form 4: Castellum Inc. Insider Buys Shares

Andrew Merriman, Chief Operating Officer of Castellum, Inc., purchased 1,202 shares of common stock through the company's Employee Stock Purchase Plan.

Summary

• Andrew Merriman, Chief Operating Officer of Castellum, Inc., acquired 1,202 shares of common stock.
• The purchase was made on July 1, 2026, under the Castellum, Inc. 2025 Employee Stock Purchase Plan.
• The shares were bought at a discounted price of $0.612 per share, representing a 15% discount to the closing price on June 30, 2026.
• Following this transaction, Merriman beneficially owns 538,531 shares of common stock directly.

Sentiment

Score: 6

Explanation: StockSavvy.ai views this as a neutral to slightly positive filing, as it represents a routine insider purchase at a discount, indicating management's ongoing participation in employee incentive programs.

Positives

• Insider purchase of company stock by a key executive (COO).
• Purchase made at a discount through an employee stock purchase plan, indicating a potential benefit for employees and alignment with company performance.
• The COO's continued direct beneficial ownership of a significant number of shares (538,531) suggests confidence in the company.

Future Outlook

This filing does not contain forward-looking statements or guidance regarding future company performance.

Industry Context

StockSavvy.ai notes that insider purchases, especially by senior management like a COO, can be interpreted as a positive signal of confidence in the company's future prospects, particularly when executed through employee-focused plans.

Stakeholder Impact

• Shareholders: May view the COO's purchase as a sign of confidence in the company's value.
• Employees: The Employee Stock Purchase Plan itself is a benefit, and this transaction highlights its use.
• Management: Demonstrates continued investment in the company.

Key Dates

Keywords

Form 4, Insider Trading, Stock Purchase, Employee Stock Purchase Plan, Castellum Inc., CTM, Andrew Merriman, Chief Operating Officer, SEC Filing