Fuller Mark C
- SEC CIK
- 0001944544
No open-market purchases or sales filed in the past year.
Current role at each company
- CTM Castellum, Inc.Other: Former Officer and Affiliateas of Sep 3, 2025
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- –
- 0 filings
- Net
- –
- Bought minus sold
- Companies
- 0
- With open-market trades
Trades
Every Form 4 that lists Fuller Mark C as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 3, 2025 (view filing) | Sep 3 | Same day | Fuller Mark COther: Former Officer and Affiliate | SSale | −500.0K | $1.12 | −$560.0K | −7.6%6.11M after | |
| May 20, 2025 (view filing) | May 19 | 1 day | Fuller Mark CDirector, 10% Owner | SSale | −500.0K | $1.05 | −$525.0K | −7.0%6.61M after | |
| Mar 6, 2025 (view filing) | Mar 5-6 | 1 day | Fuller Mark CDirector, 10% Owner | SSale | −500.0K | $1.42 | −$709.0K | −6.6%7.11M after | 2 lots |
| Jun 14, 2023 (view filing) | Jun 13 | 1 day | Fuller Mark CCEO, President | PPurchase | +1.00K | $0.65 | +$650 | 0.0%7.66M after | |
| Dec 9, 2022 (view filing) | Dec 2 | 7 daysLate | Fuller Mark CChief Executive Officer | PPurchase | +1.29K | $1,246.00 | +$1.61M | 0.0%7.66M after | Price outlier |
| Dec 2, 2022 (view filing) | Nov 28 | 4 days | Fuller Mark CChief Executive Officer | PPurchase | +4.30K | $2,860.00 | +$12.3M | +0.1%7.65M after | AmendedPrice outlier |
| Dec 2, 2022 (view filing) | Nov 30 | 2 days | Fuller Mark CChief Executive Officer | PPurchase | +9.54K | $8,017.00 | +$76.5M | +0.1%7.66M after | AmendedPrice outlier |