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Insider · CIK 0001944338

David T Bell

cfoofficerother

Files at CTM (Castellum, Inc.). First filing Oct 1, 2026, latest Oct 1, 2026.

David T Bell files SEC Form 4 as CFO at CTM (Castellum, Inc.). Since Oct 1, 2026, David T Bell has reported 1 open-market buy worth $747 and 0 open-market sells worth $0, the latest filed on Oct 1, 2026.

A track record needs three past buys with six months of prices behind them; David T Bell has 0, so none is measured yet.

The newest scored trade: bought $747 of CTM on Oct 1, 2026, filed Oct 1, 2026, scored 48 (moderate). In the last 12 months: 1 buy worth $747 and 0 sells worth $0.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
1 / 0
$747 bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

CTM: Castellum, Inc.

CTMOct 9, 2026 · close 0.62

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
48Moderate
CTMbuy 4
Castellum, Inc.
$747
1,396 shares
+8%+16% from low-52% from high

Transactions

Every row this insider has filed, 3 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026CTM
Castellum, Inc.
POpen-market purchase
Common Stock
+1,396$0.54$74718,65112 d ago
Mar 31, 2026CTM
Castellum, Inc.
AGrant or award
Common Stock
+1,329$0.45$60416,053Mar 31, 2026
Nov 11, 2025CTM
Castellum, Inc.
AGrant or award
Stock Optionsderivative
+225,000$0.00$0225,000Nov 13, 2025

Questions about David T Bell

Answered from the filings on this page, as of the latest one.

Is David T Bell buying or selling?

In the last 12 months David T Bell reported 1 open-market buy worth $747 and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $747 of CTM on Oct 1, 2026. Grants, option exercises and tax withholding are not counted.

How did David T Bell's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and David T Bell has 0.

Where does David T Bell file Form 4?

David T Bell has filed Form 4 at CTM (Castellum, Inc.) as Chief Financial Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.