CTM CASTELLUM INC

AMEX
$0.63

CASTELLUM INC (CTM) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal Bullish Insiders bought more than they sold over this window — uncommon at any size.
Cluster activity 1 buyer in the last 30 days 4 buyers in the last 90 days 0 sellers in the last 90 days
Insiders buying
4
9 transactions
Insiders selling
1
1 transaction
Purchases
$43.1K
68,868 shares
Sales
$21.1K
30,000 shares
Net activity
$22.0K
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $21.1K 1 transaction · 30,000 shares

Largest single sale: $21.1K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: September 9, 2026 , by Merriman Andrew .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Merriman Andrew 2 fills Chief Operating Officer Buy 50,000 $0.62 $31.0K 588,531
Ives Glen R President Buy 1,262 $0.61 $772 200,878
Merriman Andrew Chief Operating Officer Buy 1,202 $0.61 $736 538,531
MARTIN TAMMY L General Counsel and Secretary Buy 1,202 $0.61 $736 15,031
Bell David T Chief Financial Officer Buy 1,202 $0.61 $736 17,255
Merriman Andrew Chief Operating Officer Buy 2,000 $0.64 $1.3K 536,000
Ives Glen R President Buy 2,000 $0.62 $1.2K 199,616
Ives Glen R President Buy 10,000 $0.66 $6.6K 197,616
McMillen Charles Thomas Director Sell 30,000 $0.70 $21.1K 231,015 −11.5% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.