NYSEMKT: CTM
Castellum Inc Stock Ownership - Who owns Castellum?

Insider buying vs selling

Have Castellum Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Andrew MerrimanCOO2026-11-1050,000$0.44
$21.85kBuy
Glen R. IvesPres2026-10-011,700$0.54
$909.50Buy
Tammy L. MartinCLO;Sec2026-10-011,396$0.54
$746.86Buy
David T. BellCFO2026-10-011,396$0.54
$746.86Buy
Andrew MerrimanCOO2026-10-011,396$0.54
$746.86Buy
Andrew MerrimanCOO2026-09-0940,000$0.62
$24.76kBuy
Andrew MerrimanCOO2026-09-0910,000$0.62
$6.20kBuy
David T. BellChief Financial Officer2026-07-011,202$0.61
$735.62Buy
Tammy L. MartinGeneral Counsel and Secretary2026-07-011,202$0.61
$735.62Buy
Andrew MerrimanChief Operating Officer2026-07-011,202$0.61
$735.62Buy

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Net Insider Buy/Sell (L12M) Ownership

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CTM Shareholders

What type of owners hold Castellum Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Jay O. Wright17.08%16,232,966$7.30MInsider
Mark C. Fuller15.81%15,027,112$6.76MInsider
Emil Kaunitz2.10%1,999,856$899.94kInsider
Andrew Merriman0.67%639,927$287.97kInsider
Charles Thomas McMillen0.24%231,015$103.96kInsider
Glen R. Ives0.21%202,578$91.16kInsider
John Francis Campbell0.13%126,537$56.94kInsider
Mark S. Alarie0.12%112,920$50.81kInsider
Bernard S. Champoux0.11%104,536$47.04kInsider
Patricia Frost0.07%62,920$28.31kInsider

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CTM vs Information Technology Service Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CTM0.01%36.61%Net SellingNet Buying
GLE0.00%44.06%
SAIH0.00%58.66%
WYY0.02%99.98%Net SellingNet Buying
QXL0.00%3.73%Net SellingNet Buying

Castellum Stock Ownership FAQ

Who owns Castellum?

Castellum (NYSEMKT: CTM) is owned by 0.01% institutional shareholders, 36.61% Castellum insiders, and 63.38% retail investors. Jay O. Wright is the largest individual Castellum shareholder, owning 16.23M shares representing 17.08% of the company. Jay O. Wright's Castellum shares are currently valued at $8.12M.

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