MERRIMAN ANDREW (Chief Operating Officer) purchased 0.6% of their position (3K shares) of CASTELLUM, INC. on the open market
Open‑market purchase worth $2.4K — a small addition. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 3/18/2026ACC: 0001877939-26-000018
Officer· Chief Operating Officer
Since Sep 2024
+3K
Net shares
Net buyer
$2.4K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
3K acquired
Non-Derivative Transactions1
Common Stock
Direct
Shares
+3K
Price / share
$0.80
Trade value
$2.39K
% of position
0.6%
3/18/2026
531K→534K
Total
Net shares
+3K
Net value
$2.39K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 3/18/2026 | P · Purchase | +3K | $0.80 | $2.39K | 0.6% | 531K | 534K |
| Total | +3K | $2.39K | ||||||
Derivative Transactions0
No derivative transactions reported