Boardroom Alpha
Boardroom Alpha
CTM · Current Report (Form 8-K) · Filed May 20, 2026

Castellum Inc — Current Report (Form 8-K)

Form
8-K
Filed
May 20, 2026
Period
May 19, 2026
Ticker
CTM
Accession
0001877939-26-000044
Boardroom Alpha · Filing insights

Stockholders elected five directors; approved RSM US LLP as auditor; approved increase of stock incentive plan shares to 13,000,000.

About Castellum Inc
Market cap
$57M
1Y TSR
−40.5%
3Y TSR
+22.1%
Board grade
C-
Sector
Technology
CEO
Glen R Ives
Last annual meeting: May 19, 2026 · View full Castellum Inc profile →
ctm-20260519

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): 5/19/2026
CASTELLUM, INC.
(Exact name of Registrant as specified in its charter)
Nevada001-4152627-4079982
(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 classTrading Symbol(s)Name of each exchange on which registered
Common stock, par value $0.0001 per shareCTMNYSE 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 5.07 Submission of Matters to a Vote of Security Holders.
The Company held its annual meeting of stockholders on May 19, 2026 (the “2026 Annual Meeting”), at which three proposals were submitted to the Company’s stockholders. The proposals are described in detail in the Company’s proxy statement for the 2026 Annual Meeting filed with the Securities and Exchange Commission on April 7, 2026 (the “2026 Proxy Statement”). A quorum of the Company’s common shares was present for the 2026 Annual Meeting, and the final results for the votes regarding the proposals are set forth below.

Proposal 1 - Stockholders elected five directors of the Company to hold office until the next Annual Meeting of Stockholders and until their successors are duly elected and qualify. The name of each director elected, and the votes cast for such individuals are set forth below:
NameFor Withheld Broker Non-Votes
Mark S. Alarie26,773,7636,942,75322,789,172
John F. Campbell26,063,0197,653,49722,789,172
Bernard S. Champoux26,970,0176,746,49922,789,172
Glen R. Ives29,097,1154,619,40122,789,172
C. Thomas McMillen26,288,6487,427,86822,789,172

Proposal 2 - Stockholders approved a proposal to ratify the Company’s appointment of RSM US LLP as the Company’s independent registered public accounting firm for the fiscal year ended December 31, 2026. The votes regarding Proposal 2 are set forth below:

For Against Abstentions
53,771,6622,553,667180,359

Proposal 3 - Stockholders approved an amendment to the Castellum, Inc. Second Amended 2021 Stock Incentive Plan to increase the aggregate number of shares reserved for issuance under the plan to 13,000,000. The votes regarding Proposal 3 are set forth below:

For Against AbstentionsBroker Non-Votes
19,780,87613,632,126303,51422,789,172

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.
Exhibit No.Exhibit Title
104Cover 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: May 20, 2026By:/s/ Glen R. Ives
Name:Glen R. Ives
Title:Chief Executive Officer (Principal Executive Officer)

From this filing to the file

Every SEC filing, parsed structured.

Boardroom Alpha indexes every 8-K, 10-K, 10-Q, and proxy back to 2000 — vote tabulations, comp tables, red flags, insider transactions, all queryable the day they hit EDGAR.

Independent — issuer-pays-free, ideology-free, U.S.-owned.

More filings

Other filings from Castellum Inc (CTM)

Reference

Frequently asked questions

When did Castellum Inc file this 8-K?
Castellum Inc (CTM) filed this Current Report (Form 8-K) with the SEC on May 20, 2026. The accession number assigned by EDGAR is 0001877939-26-000044.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Stockholders elected five directors; approved RSM US LLP as auditor; approved increase of stock incentive plan shares to 13,000,000. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Castellum Inc's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Castellum Inc has filed under CIK 1877939, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
Disclaimer

The opinions and information contained herein have been obtained or derived from sources believed to be reliable, but Boardroom Alpha cannot guarantee its accuracy and completeness, and that of the opinions based thereon.

This report contains opinions and is provided for informational purposes only – it does not constitute investment, legal or tax advice. You should not rely solely upon the research herein for purposes of transacting securities or other investments, and you are encouraged to conduct your own research and due diligence, and to seek the advice of a qualified securities professional before you make any investment.

None of the information contained in this report constitutes, or is intended to constitute a recommendation by Boardroom Alpha of any particular security or trading strategy or a determination by Boardroom Alpha that any security or trading strategy is suitable for any specific person. To the extent any of the information contained herein may be deemed to be investment advice, such information is impersonal and not tailored to the investment needs of any specific person.

No representation or warranty, expressed or implied, is made on behalf of Boardroom Alpha as to the accuracy or completeness of the information contained herein. Boardroom Alpha does not accept any liability for any direct, indirect or consequential loss or damage suffered by any person as a result of relying on all or any part of this research and any liability is expressly disclaimed.

Full disclaimer