Fuller Mark C (CIK 0001944544)

Latest company ownership

Role: Other
Shares held
6,113,659
Last filed at
Sep 3, 2025
Confidence Score
42.6
2025Q4
Confidence Score History
2022Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Sep 3, 2025 Sep 3, 2025 Castellum, Inc. Other Sell 20.0 -500,000 -7.56% $560K
May 19, 2025 May 20, 2025 Castellum, Inc. Director Sell 20.0 -500,000 -7.03% $524K
Mar 5, 2025 Mar 6, 2025 Castellum, Inc. Director Sell 20.0 -550,000 -7.18% $710.3K
Jun 13, 2023 Jun 14, 2023 Castellum, Inc. CEO Buy 47.5 +1,000 0.01% $649.5
Dec 2, 2022 Dec 9, 2022 Castellum, Inc. CEO Buy 57.5 +1,294 0.02% $1.6M
Nov 28, 2022 Dec 2, 2022 Castellum, Inc. CEO Buy 67.5 +4,302 0.06% $12.3M
Nov 30, 2022 Dec 2, 2022 Castellum, Inc. CEO Buy 67.5 +9,544 0.12% $76.5M
Nov 30, 2022 Dec 1, 2022 Castellum, Inc. CEO Buy 67.5 +9,544 0.12% $76.5M
Nov 28, 2022 Nov 30, 2022 Castellum, Inc. CEO Buy 67.5 +4,302 0.06% $12.3M