Castellum (NYSE: CTM) enters reseller deal with Tradewinds Networks

Rhea-AI Filing Summary

Castellum, Inc. reported that on August 19, 2025 it and Tradewinds Networks, Inc. jointly announced the execution of a reseller agreement. This means Castellum is formalizing a relationship under which Tradewinds, Castellum, or both can resell certain products or services, although specific commercial terms are not described here.

The company filed this report to formally disclose the agreement and attached a related press release as Exhibit 99.1 for additional detail. Castellum’s common stock continues to trade on the NYSE American under the symbol CTM.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934

Date of Report (Date of earliest event reported): August 19, 2025

CASTELLUM, INC.

(Exact name of Registrant as specified in its charter)

Nevada

001-41526

27-4079982

(State or other jurisdiction of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

1934 Old Gallows Road, Suite 350

Vienna, VA 22182

(Address of principal executive offices, including zip code)

(703) 752-6157

(Registrant’s telephone number, including area code)

Check the appropriate box below if the 8-K filing is intended to simultaneously satisfy the filing obligations of the registrant under any of the following provisions:

☐			Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13(c)).

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common stock, par value $0.0001 per share

CTM

NYSE American LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☒

Item 8.01 Other Events

On August 19, 2025, Castellum, Inc. and Tradewinds Networks, Inc. jointly announced the execution of a reseller agreement. The full text of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.			Exhibit Title
99.1			Press Release dated August 19, 2025
104			Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

CASTELLUM, INC.

Date: August 19, 2025

By:

/s/ Glen R. Ives

Name:

Glen R. Ives

Title:

Chief Executive Officer (Principal Executive Officer)

FAQ

What did Castellum (CTM) announce in this 8-K filing?

Castellum, Inc. disclosed that on August 19, 2025 it and Tradewinds Networks, Inc. jointly announced the execution of a reseller agreement, formalizing a new sales-related relationship between the parties.

Who is Castellum’s partner in the new reseller agreement?

The partner named in the filing is Tradewinds Networks, Inc., which jointly announced with Castellum the execution of the reseller agreement on August 19, 2025.

Where can investors find more details about Castellum’s reseller agreement?

More detail is provided in a press release that is attached to the report as Exhibit 99.1 and incorporated by reference into the disclosure.

When was the reseller agreement between Castellum and Tradewinds Networks announced?

The agreement was jointly announced by Castellum, Inc. and Tradewinds Networks, Inc. on August 19, 2025, which is also the date of the reported event.

What stock exchange lists Castellum’s common stock and under what symbol?

Castellum’s common stock, with a par value of $0.0001 per share, is listed on the NYSE American LLC under the trading symbol CTM.

Why did Castellum file this current report?

The company used this current report to formally disclose the execution and announcement of the reseller agreement with Tradewinds Networks, Inc., and to provide the related press release as an exhibit for public reference.