Welcome to our dedicated page for Castellum SEC filings (Ticker: CTM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Castellum, Inc. filings document a Nevada public company that provides cybersecurity, electronic warfare, software engineering, and related technology services to federal government customers. Its Form 8-K reports cover operating results, contract awards, CMMC Level 2 C3PAO certification, debt retirement, executive employment arrangements, officer appointments, and shareholder communications.
Proxy materials describe annual meeting matters, board elections, stockholder voting procedures, executive compensation, and governance practices. The filings also identify Castellum as an emerging growth company and provide formal disclosure around capital structure, subsidiaries, and material events tied to its defense-focused services business.
Castellum, Inc. (CTM) reported insider share sales by a senior executive and director. The reporting person, who serves as General Counsel, Secretary and EVP - Strategy and is also a director and other related person, filed a Form 4 as an individual filer. On 11/14/2025, they sold 90,000 shares of common stock at $1.15 per share, and on 11/17/2025 they sold an additional 10,000 shares at $1.156 per share, both coded as open-market sales (transaction code "S").
After these transactions, the reporting person beneficially owned 7,423,973 shares of Castellum common stock in direct form. The form includes a checkbox to indicate that a transaction was made pursuant to a Rule 10b5-1(c) trading plan intended to satisfy affirmative defense conditions, though no additional explanatory remarks are provided.
Castellum, Inc. (CTM) insider Form 4: A reporting person who is a Director, 10% Owner, and Officer (General Counsel, Secretary; EVP - Strategy) reported open‑market sales of common stock. The transactions were 60,000 shares on 11/11/2025 at $1.18 and 160,000 shares on 11/13/2025 at $1.165. Following these sales, the insider directly beneficially owns 7,523,973 shares.
Castellum, Inc. (CTM) reported an administrative update: the company completed a $2 million paydown and retired its note payable to Robert Eisiminger.
The update was disclosed under Other Events and includes a press release as Exhibit 99.1. This action removes that specific note obligation from the balance sheet.
Castellum, Inc. (CTM) reported an insider equity award. Chief Financial Officer David T. Bell received 225,000 stock options on November 11, 2025 under the Second Amended 2021 Stock Incentive Plan. The options have a $1.19 exercise price and expire on November 10, 2032. They vest ratably over twenty months, beginning December 1, 2025.
Castellum (CTM) reported an insider equity grant. Chief Operating Officer Andrew Merriman was awarded 275,000 stock options on November 11, 2025 under the Second Amended 2021 Stock Incentive Plan at an exercise price of $1.19 per share. The options vest ratably over twenty months, beginning December 1, 2025, and expire on November 10, 2032. Following the grant, 275,000 derivative securities are beneficially owned directly.
Castellum, Inc. (CTM) reported a director equity grant. On 11/11/2025, director C. Thomas McMillen was granted 100,000 stock options with an exercise price of $1.19 per share under the Second Amended 2021 Stock Incentive Plan.
The options relate to 100,000 shares of common stock, vesting ratably over twenty months commencing December 1, 2025, and expiring on 11/10/2032. Following the grant, 100,000 derivative securities were beneficially owned, held directly. The filing classifies the transaction as an acquisition of derivative securities as compensation for board service.
Castellum, Inc. (CTM) disclosed an insider equity award. Director Bernard S. Champoux was granted 100,000 stock options on 11/11/2025 with an exercise price of $1.19 per share under the Second Amended 2021 Stock Incentive Plan. The options vest ratably over twenty months starting December 1, 2025 and expire on 11/10/2032. The filing lists ownership as Direct (D). This is a routine compensation grant to a board member, not an open‑market purchase or sale.
Castellum, Inc. (CTM) reported an insider equity award. Director Mark S. Alarie received a grant of 100,000 stock options on 11/11/2025 under the Second Amended 2021 Stock Incentive Plan. The options have an exercise price of $1.19 per share and an expiration date of 11/10/2032.
The award was granted as compensation for service on the Board and vests ratably over 20 months starting December 1, 2025. Following the transaction, Mr. Alarie beneficially owned 100,000 stock options, held directly. The option grant price was recorded at $0 as an award (no purchase cost at grant).
Castellum, Inc. (CTM) reported that CEO and President Glen R. Ives received an equity award. On November 11, 2025, he was granted 500,000 stock options with an exercise price of $1.19 per share under the Second Amended 2021 Stock Incentive Plan. The options cover the right to purchase 500,000 shares of common stock, vesting ratably over twenty months starting December 1, 2025, and expiring November 10, 2032.
Castellum, Inc. (CTM) reported an insider equity award. Director John F. Campbell received 100,000 stock options granted on November 11, 2025 under the Second Amended 2021 Stock Incentive Plan at an exercise price of $1.19 per share.
The options are exercisable for 100,000 shares of common stock, vesting ratably over twenty months starting December 1, 2025, and carry an expiration date of November 10, 2032. The grant price for the derivative security is listed as $0 at issuance, and the ownership form is direct.