Fuller Mark C Insider Trading -- Recent SEC Form 4 Transactions

Fuller Mark C (CIK 1944544) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-09-03). Recent activity: Sell CTM (500,000 shares), Sell CTM (500,000 shares), Sell CTM (50,000 shares), Sell CTM (275,000 shares), Sell CTM (225,000 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2025-09-03Castellum, Inc. (CTM)InsiderSell500,000$560,000
2025-05-20Castellum, Inc. (CTM)DirectorSell500,000$525,000
2025-03-06Castellum, Inc. (CTM)DirectorSell50,000$0
2025-03-06Castellum, Inc. (CTM)DirectorSell275,000$409,750
2025-03-06Castellum, Inc. (CTM)DirectorSell225,000$299,250

Source: SEC Form 4 filings · as of 2025-09-03