Castellum ($CTM) Insider Trading & Smart Money Activity

Castellum, Inc. · Latest filing Oct 1, 2026

Castellum, Inc. ($CTM) has 4 insider trades on file. In the last 12 months on the open market, 4 insiders bought ($3.15K) and no insider sold, net +$3.15K.

Insider buyers (12 mo)

4

Insider sellers (12 mo)

0

Net insider $ (12 mo)

+$3.15K

Congress trades (12 mo)

0

13F moves on file

0

Analyst ratings on file

0

CTM insider buying and selling by quarter

Quarter	Insider buys	Insider sales	Congress buys / sales	13F added / cut
Q1 2026	0	0	0 / 0	0 / 0
Q2 2026	0	0	0 / 0	0 / 0
Q3 2026	0	0	0 / 0	0 / 0
Q4 2026	4 · $3.15K	0	0 / 0	0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All CTM insider, congress, 13F and analyst activity

All Insiders

Date	Source	Who	Action	Shares	Value / amount	ΔOwn	1W	1M	6M	Filing	Story
Oct 1, 2026	Insider	Merriman AndrewChief Operating Officer	Buy (Open-market buy)	1.40K sh	$747.14						—
Oct 1, 2026	Insider	Martin Tammy LGeneral Counsel and Secretary	Buy (Open-market buy)	1.40K sh	$747.14						—
Oct 1, 2026	Insider	Ives Glen RPresident	Buy (Open-market buy)	1.70K sh	$909.84						—
Oct 1, 2026	Insider	Bell David TChief Financial Officer	Buy (Open-market buy)	1.40K sh	$747.14						—

1W / 1M / 6M = how CTM moved from the trade or filing date.

Insider trading in CTM: who is buying and selling

Insider	Role	Trades	Open-market net	Shares held	Last trade
Merriman Andrew	Chief Operating Officer	1	+$747.14		Oct 1, 2026
Martin Tammy L	General Counsel and Secretary	1	+$747.14		Oct 1, 2026
Ives Glen R	President	1	+$909.84		Oct 1, 2026
Bell David T	Chief Financial Officer	1	+$747.14		Oct 1, 2026

Frequently asked questions

Are CTM insiders buying or selling?

Over the last 12 months 4 insiders made 4 open-market purchases worth $3.15K and 0 insiders made 0 open-market sales worth $0, a net +$3.15K.

What is the latest insider trade in CTM?

Merriman Andrew, Chief Operating Officer filed a buy (open-market buy) of 1.40K sh worth $747.14 on Oct 1, 2026.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.