Merriman Andrew bought CTM
March 18, 2026 · Form 4 insider transaction
Merriman Andrew bought 3,000 shares of Castellum, Inc. at $0.80 per share, a transaction worth $2.4K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 0 days after the transaction.
Direction
Acquired (buy-side)
Shares
3,000
Price
$0.80
Total value
$2.4K
InsiderMerriman Andrew
Role—
CompanyCastellum, Inc. (CTM)
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateMarch 18, 2026
Filing dateMarch 18, 2026
Shares owned after534,000
OwnershipDirect
10b5-1 planNo
AmendedNo