MARTIN TAMMY L bought CTM
March 31, 2026 · Form 4 insider transaction
MARTIN TAMMY L bought 1,329 shares of Castellum, Inc. at $0.45 per share, a transaction worth $603.90. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 0 days after the transaction.
Direction
Acquired (buy-side)
Shares
1,329
Price
$0.45
Total value
$603.90
InsiderMARTIN TAMMY L
Role—
CompanyCastellum, Inc. (CTM)
SecurityCommon Stock
Transaction codeA: Grant or award
Transaction dateMarch 31, 2026
Filing dateMarch 31, 2026
Shares owned after13,829
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Pursuant to the terms of the Castellum, Inc. 2025 Employee Stock Purchase Plan, the reporting person purchased 1,329 shares of common stock of the Registrant. The per share purchase price was calculated at a discount of fifteen percent to the closing price of the Registrant's common stock as quoted on the NYSE American LLC on March 30, 2026.