Skip to contentFuller Mark C — Castellum, Inc. insider: 14 transactions · InsiderLensInsider trading activity of Fuller Mark C
- Transactions on record
- 14
- since Oct 20, 2022
- Open-market buys
- 4
- $90.4M
- Open-market sells
- 5
- $78.3M
- Companies traded
- 1
- last filing Sep 3, 2025
Figures computed from official regulatory filings — methodology.
Companies where Fuller Mark C has traded
Track record of Fuller Mark C
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Fuller Mark C
Co-insiders of Fuller Mark C
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Kaunitz EmilCastellum, Inc.
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Sep 3, 2025 | Sell | -500,000 | 1.12 USD | $560K | SEC |
| May 20, 2025 | Sell | -500,000 | 1.05 USD | $525K | SEC |
| Mar 6, 2025 | Sell | -275,000 | 1.49 USD | $409.8K | SEC |
| Mar 6, 2025 | Other | -50,000 | — | — | SEC |
| Mar 6, 2025 | Sell | -225,000 | 1.33 USD | $299.3K | SEC |
| Jun 14, 2023 | Buy | 1,000 | 0.65 USD | $650 | SEC |
| Mar 24, 2023 | AwardD | 532,931 | — | — | SEC |
| Dec 9, 2022 | Buy | 1,294 | 1,246.00 USD | $1.6M | SEC |
| Dec 2, 2022 | Buy | 4,302 | 2,860.00 USD | $12.3M | SEC |
| Dec 2, 2022 | Buy | 9,544 | 8,017.00 USD | $76.5M | SEC |
| Dec 1, 2022 | Sell | 9,544 | 8,017.00 USD | $76.5M | SEC |
| Oct 20, 2022 | AwardD | 500,000 | — | — | SEC |
| Oct 20, 2022 | OtherD | -1,504,500 | — | — | SEC |
| Oct 20, 2022 | Other | 7,522,500 | — | — | SEC |