Skip to content

Insider · CIK 0001329293

Tammy L Martin

officer

Files at CTM (Castellum, Inc.). First filing Jul 2, 2026, latest Oct 1, 2026.

In brief

Tammy L Martin files SEC Form 4 as officer at CTM (Castellum, Inc.). Since Jul 2, 2026, Tammy L Martin has reported 2 open-market buys worth $1,483 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; Tammy L Martin has 0, so none is measured yet.

The newest scored trade: bought $747 of CTM on Oct 1, 2026, filed Oct 1, 2026, scored 41 (moderate). In the last 12 months: 2 buys worth $1,483 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
2 / 0
$1,483 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
41Moderate
CTMbuy 4
Castellum, Inc.
$747
1,396 shares
+9%+16% from low-52% from high
41Moderate
CTMbuy 4
Castellum, Inc.
$736
1,202 shares
+9%+35% from low-51% 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$74716,42712 d ago
Jul 1, 2026CTM
Castellum, Inc.
POpen-market purchase
Common Stock
+1,202$0.61$73615,031Jul 2, 2026
Mar 31, 2026CTM
Castellum, Inc.
AGrant or award
Common Stock
+1,329$0.45$60413,829Mar 31, 2026

Questions about Tammy L Martin

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

Is Tammy L Martin buying or selling?

In the last 12 months Tammy L Martin reported 2 open-market buys worth $1,483 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 Tammy L Martin's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Tammy L Martin has 0.

Where does Tammy L Martin file Form 4?

Tammy L Martin has filed Form 4 at CTM (Castellum, Inc.) as General Counsel and Secretary. 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.

Tammy L Martin: insider trades and track record | InsiderTell