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

Insider buying vs selling

Have Castellum Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Jay O. WrightGeneral Counsel Secretary2025-11-1710,000$1.16
$11.56kSell
Jay O. WrightGeneral Counsel Secretary2025-11-1490,000$1.15
$103.50kSell
Jay O. WrightGeneral Counsel Secretary2025-11-13160,000$1.17
$186.40kSell
Jay O. WrightGeneral Counsel Secretary2025-11-1160,000$1.18
$70.80kSell
Jay O. WrightGeneral Counsel Secretary2025-09-1650,000$1.11
$55.50kSell
Jay O. WrightGeneral Counsel Secretary2025-09-1550,000$1.10
$55.00kSell
Jay O. WrightGeneral Counsel Secretary2025-09-1273,000$1.12
$81.76kSell
Jay O. WrightGeneral Counsel Secretary2025-09-1190,000$1.12
$100.80kSell
Jay O. WrightGeneral Counsel Secretary2025-09-1070,000$1.12
$78.40kSell
Jay O. WrightGeneral Counsel Secretary2025-09-09150,000$1.12
$168.00kSell

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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. Wright17.46%16,521,966$17.35MInsider
Mark C. Fuller15.88%15,027,112$15.78MInsider
Essex Investment Management Co LLC2.28%2,153,617$2.26MInstitution
Emil Kaunitz2.11%1,999,856$2.10MInsider
Vanguard Group Inc1.35%1,277,915$1.34MInstitution
Geode Capital Management LLC0.76%723,527$759.70kInstitution
Meridian Wealth Management LLC0.72%684,600$718.83kInstitution
Legato Capital Management LLC0.66%621,409$652.48kInstitution
Andrew Merriman0.56%531,000$557.55kInsider
Goldman Sachs Group Inc0.39%368,632$387.06kInstitution

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CTM vs Information Technology Service Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CTM8.99%37.02%Net SellingNet Selling
SLNH5.14%16.80%Net SellingNet Selling
CSPI29.22%30.77%Net BuyingNet Buying
MGRT0.00%0.00%
WYY8.12%91.88%Net Selling

Castellum Stock Ownership FAQ

Who owns Castellum?

Castellum (NYSEMKT: CTM) is owned by 8.99% institutional shareholders, 37.02% Castellum insiders, and 53.99% retail investors. Jay O. Wright is the largest individual Castellum shareholder, owning 16.52M shares representing 17.46% of the company. Jay O. Wright's Castellum shares are currently valued at $16.85M.

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