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Insider trade

Castellum (CTM): Director sold ~$524K

Mark C Fuller, Director at Castellum, sold ~$524K of Castellum shares.

~$524K
Approx. value · 500K sh @ $1.05
6.61M
Holds after · shares reported
Traded
May 19, 2025
Filed
May 20, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. May 19, 2025 · this disclosureInsiderDirector sold ~$524K of CTM shares in the open market

What came next

  1. May 19, 2025InsiderDirector sold ~$278K of CTM shares in the open market
  2. Aug 18, 2025InsiderDirector sold ~$243K of CTM shares in the open market
  3. Aug 19, 2025InsiderDirector sold ~$132K of CTM shares in the open market
  4. Aug 22, 2025InsiderDirector sold ~$47K of CTM shares in the open market
  5. Aug 26, 2025InsiderDirector sold ~$42K of CTM shares in the open market
  6. Aug 27, 2025InsiderDirector sold ~$42K of CTM shares in the open market
  7. Aug 28, 2025InsiderDirector sold ~$25K of CTM shares in the open market
  8. Sep 3, 2025InsiderInsider sold ~$560K of CTM shares in the open market
  9. Sep 5, 2025InsiderDirector sold ~$50K of CTM shares in the open market
  10. Sep 8, 2025InsiderDirector sold ~$280K of CTM shares in the open market
  11. Sep 9, 2025InsiderDirector sold ~$168K of CTM shares in the open market
  12. Sep 10, 2025InsiderDirector sold ~$78K of CTM shares in the open market
  13. Sep 11, 2025InsiderDirector sold ~$101K of CTM shares in the open market
  14. Sep 12, 2025InsiderDirector sold ~$82K of CTM shares in the open market
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Castellum

For Castellum, OQRO holds 3 insider filings (SEC Form 4 or Form 144) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its CTM page.

Other recent filings by Mark C Fuller, Director

The full history of Mark C Fuller, Director is on the profile page.

How this filing works

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Other disclosures at Castellum

Everything OQRO holds on this company is on its CTM page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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