FULLER MARK C (Chief Executive Officer, Chair) sold 7.6% of their position (500K shares) of CASTELLUM, INC. on the open market
Open‑market sale worth $560.0K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 9/3/2025ACC: 0001944544-25-000014
DirectorOfficer· Chief Executive Officer, Chair
Since Oct 2022
-500K
Net shares
Net seller
$560.0K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
500K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−500K
Price / share
$1.12
Trade value
$560K
% of position
7.6%
9/3/2025
6.61M→6.11M
Total
Net shares
−500K
Net value
-$560K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 9/3/2025 | S · Sale | −500K | $1.12 | $560K | 7.6% | 6.61M | 6.11M |
| Total | −500K | -$560K | ||||||
Derivative Transactions0
No derivative transactions reported