WAVEMAN · COMPANY

CTM · Castellum, Inc.

LIVE

TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475

← ALL COMPANIES

CTM

Name: Castellum, Inc. (CTM) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

Castellum, Inc.

PHARMA & BIOTECH · SERVICES-MANAGEMENT CONSULTING SERVICES · CIK 0001877939

CLUSTER · 4 INSIDERSC-SUITE BUYING · 4☆ WATCH

INSIDER NET · 180D

-$50.5K

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

13F, latest reported quarter

REVENUE GROWTH

+18.1%

XBRL, annual

NET MARGIN

-4.5%

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$50.5K over 180 days

+$3.0K over 90 days

more than 58% of Pharma & Biotech

CONGRESS

no member of Congress has reported trading it

FUNDS

17 funds added or opened last quarter

below 72% of Pharma & Biotech

REVENUE

+18.1% year over year

more than 67% of Pharma & Biotech

MARGIN

-4.5% net margin

more than 61% of Pharma & Biotech

BUYBACKS

no share repurchases reported

SHORT

6.3% of shares outstanding short · 4.8 days to cover · settled 2026-07-31

more than 61% of Pharma & Biotech

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN -47.1%

-47.1%12M

INSIDER BUYINSIDER SELL

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

4 insiders reported buying shares.

The record shows a net $50.5K sold by insiders over 180 days, 17 funds added last quarter. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

UTHR CPIX MRNA REGN LLY ALNY ELF CITR MDGL DNA VRTX NUVL

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Castellum, Inc. insiders sold a net $50.5K of stock across 83 Form 4 purchases and sales, with 4 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER

FILED

VALUE

Bell David T

Chief Financial Officer

BUY

2026-07-01

1,202.0

$736

Ives Glen R

President

BUY

2026-07-01

1,262.0

$772

MARTIN TAMMY L

General Counsel and Secretary

BUY

2026-07-01

1,202.0

$736

Merriman Andrew

Chief Operating Officer

BUY

2026-07-01

1,202.0

$736

Ives Glen R

President

BUY

2026-03-27

2,000.0

$1.2K

83 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 78 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

VANGUARD CAPITAL MANAGEMENT LLC

3,093,768.0 sh

$2.2M

Meridian Wealth Management, LLC

863,200.0 sh

$621.4K

GEODE CAPITAL MANAGEMENT, LLC

816,037.0 sh

$587.6K

CAPTRUST FINANCIAL ADVISORS

626,100.0 sh

$450.7K

VANGUARD FIDUCIARY TRUST CO

492,717.0 sh

$354.8K

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

FORM 144

No planned-sale notices

No insider has notified an intent to sell. This is the panel to watch after a run-up.

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

Ultra-Small Company Market Fund

$55.9K POSITION · AS OF 2026-03-31

0.0%

Fidelity Extended Market Index Fund

$393.4K POSITION · AS OF 2026-02-28

0.0%

VANGUARD EXTENDED MARKET INDEX FUND

$454.0K POSITION · AS OF 2026-03-31

0.0%

Fidelity Series Total Market Index Fund

$108.8K POSITION · AS OF 2026-02-28

0.0%

Fidelity Total Market Index Fund

$130.0K POSITION · AS OF 2026-02-28

0.0%

VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND

$28.6K POSITION · AS OF 2026-03-31

0.0%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-12	2024-12	2023-12	2022-12
REVENUE	$52.9M	$44.8M	$45.2M	$42.2M
GROSS PROFIT	$19.4M	$18.3M	$18.7M	$17.6M
OPERATING INCOME	$-2.8M	$-7.2M	$-16.7M	$-10.0M
NET INCOME	$-2.4M	$-10.0M	$-17.8M	$-14.9M
EPS (DILUTED)	-0.03	-0.18	-0.38	-0.55
OPERATING CASH FLOW	$-1.9M	$1.1M	$-2.3M	$990.2K
LONG-TERM DEBT	—	$8.0M	$8.1M	$8.4M

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE