CTM

NYSE

Castellum, Inc.

Latest disclosureOctober 1, 2026

Insider score Why 12?: 12/ 100
Qualifying buys · 30d: $30.97K

13 purchases · 1 sales

Price by TradingView

Insider transactions 18

Limited filing history

Filters

Last 30 daysInsiders bought $30.97K · 1 buyer, led by Andrew Merriman (Chief Operating Officer) with $30.97K. No qualifying insider sales.

Sale disclosed

Charles Thomas McMillen

Director

Common Stock

Reported value: $21.13K
Reported price: $0.7043 / share

Reporting insider	Security / transaction	Amount / price	Value	Traded / disclosed	Source
Director	Common StockSale	30,000$0.70 / share	$21.13K	Mar 25Filed Mar 27 · 2d later	SEC filing

Congress transactions 0

All Congress filings

No disclosed congressional trades for CTM in the imported filings.

This reflects the filings imported so far, not a complete trading history.

Why this buying score?

Qualifying common-equity purchase value

$27,875 of common-equity purchase value after transaction-age decay across 180 days.

+6 pts

Distinct buying groups

1 distinct reporting-owner group(s). Joint rows count once; identity is not proof of discretion.

+6 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage

Source: SEC EDGAR · Form 4
Issuer CIK: 0001877939
Latest public acceptance: Oct 1, 2026, 08:09 PM UTC
Score calculated: Oct 7, 2026, 12:11 AM UTC
Parser: form4-parser-1.5
Classifier: form4-classifier-1.1
Scoring methodology: insider-experimental-1.1
Availability: Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.

Reporting insider

Security / transaction

Amount / price

Value

Traded / disclosed

Source

Director

Common StockSale

30,000$0.70 / share

$21.13K

Mar 25Filed Mar 27 · 2d later

SEC filing

Why this buying score?

Qualifying common-equity purchase value

$27,875 of common-equity purchase value after transaction-age decay across 180 days.

+6 pts

Distinct buying groups

1 distinct reporting-owner group(s). Joint rows count once; identity is not proof of discretion.

+6 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage

Source: SEC EDGAR · Form 4
Issuer CIK: 0001877939
Latest public acceptance: Oct 1, 2026, 08:09 PM UTC
Score calculated: Oct 7, 2026, 12:11 AM UTC
Parser: form4-parser-1.5
Classifier: form4-classifier-1.1
Scoring methodology: insider-experimental-1.1
Availability: Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.