Martin Tammy L Insider Trades & Stock Holdings

General Counsel and Secretary · Castellum, Inc. · Latest filing Oct 1, 2026

Martin Tammy L, General Counsel and Secretary at Castellum, Inc. has 1 Form 4 trade on file since Oct 1, 2026. Open-market activity: 1 purchase ($747.14) and 0 sales ($0), net +$747.14. Latest filing: acquired 1.40K shares of $CTM on Oct 1, 2026 at $0.54.

Trades on file

1

Open-market bought

$747.14

Open-market sold

$0

Net open-market

+$747.14

Latest filing

Oct 1, 2026

All insider trades by Martin Tammy L

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Oct 1, 2026	$CTM	Buy (Open-market buy)	1.40K	$0.54	$747.14						General Counsel and Secretary		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Martin Tammy L traded

• $CTM

Frequently asked questions

Has Martin Tammy L been buying or selling stock?

Martin Tammy L has 1 open-market purchase and 0 open-market sales on file, net +$747.14. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Martin Tammy L's latest insider trade?

acquired 1.40K shares of $CTM on Oct 1, 2026 at $0.54.

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.