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CTM — structural market context

Castellum, Inc.

Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.

What changed

As of the close on Oct 15. Each line shows the earlier value, the later value and their dates.

Price

Close $0.59 (Oct 15) vs $0.58 (Oct 14): +1.28%.

Volume

0.57× its 20-session average (416K) on Oct 15.

Includes pre- and post-market trading.

Short interest

Short interest 5.4M shares (settlement Sep 30) vs 5.4M (Sep 15).

No new publication in this window. Latest: settlement Sep 30, published Oct 10.

Fails-to-deliver

Latest file (settlements Sep 1–Sep 14, published Sep 30): 5 days with fails, largest 91K shares on Sep 2.

Previous file (settlements Aug 17–Aug 31, published Sep 16): 8 days with fails, largest 22K shares on Aug 26.

No new publication in this window.

Insider filings (Form 4)

None recorded in this window.

CTM short interest & days to cover

SHARES SHORT
5.4M
% OF FLOAT
—
DAYS TO COVER
13.1
CHANGE VS PRIOR
-0.0%

FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-09-30 (16d ago)

CTM fails-to-deliver (FTD)

Settlement dateFailed sharesPrice
2026-09-29 · 17d1$0.61
2026-09-23 · 23d1$0.64
2026-09-21 · 25d22K$0.61

SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.

CTM insider buying and selling (Form 4)

Last 12 months, Form 4 codes P and S: 6 purchases · 0 sales · 4 distinct buyers in 30 days

InsiderTypeSharesValueFiled
Bell David T · officer, other: Chief Financial OfficerBuy (P)1K$7472026-10-01
Merriman Andrew · officer: Chief Operating OfficerBuy (P)1K$7472026-10-01
Ives Glen R · director, officer, other: PresidentBuy (P)2K$9102026-10-01
MARTIN TAMMY L · officer: General Counsel and SecretaryBuy (P)1K$7472026-10-01
Merriman Andrew · officer: Chief Operating OfficerBuy (P)40K$25K2026-09-09

SEC Form 4 filings: purchases and sales reported on Form 4 (transaction codes P and S) only; grants and option exercises excluded. Attributed public records.

Frequently asked questions

Are insiders buying CTM?
In the last 12 months of SEC Form 4 filings, CTM recorded 6 insider purchases and 0 sales reported on Form 4 (transaction codes P and S; grants and option exercises excluded). 4 distinct insiders bought within the last 30 days. These are attributed public records — information, not instruction.
Is this page telling me to buy or sell CTM?
No. Everything on this page is descriptive, structural market context from public data, shown with its as-of dates. TradeAI News does not issue directional recommendations, price predictions, or buy/sell advice — for any ticker.
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Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.