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’s rapid string of cybersecurity and electronic-warfare acquisitions means every new 10-K and 10-Q feels like a puzzle of contract clauses, backlog shifts, and earn-out schedules. If tracking cleared-executive sales or decoding fresh Department of Defense awards has you buried in PDFs, you’re not alone.
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Every filing—10-K, 10-Q, 8-K, S-1, DEF 14A, plus Castellum Inc insider trading Form 4 transactions—is updated in real time and paired with AI-powered summaries that explain filing meanings in simple terms. Skip the 300-page read and go straight to the numbers, risks, and insider moves that matter.
Jay O. Wright, a director and reported 10% owner of Castellum, Inc. (CTM) and serving as General Counsel/Secretary and EVP-Strategy, reported two open-market sales totaling 100,000 shares. He sold 50,000 shares on 09/15/2025 at $1.10 and 50,000 shares on 09/16/2025 at $1.11, reducing his direct beneficial ownership from 7,843,973 (implied) to 7,743,973 shares following the transactions. The Form 4 is signed by the reporting person.
Castellum, Inc. director and 10% owner Jay O. Wright reported three open-market sales of common stock at $1.12 per share on 09/10/2025, 09/11/2025, and 09/12/2025. The sales totaled 233,000 shares, reducing his direct beneficial ownership from 8,006,973 shares to 7,843,973. The Form 4 is signed and filed by the reporting person.
Castellum, Inc. (CTM) director and 10% owner Jay O. Wright reported three open-market sales of common stock on Sept 5, 8 and 9, 2025. He sold 46,473 shares at $1.08, 250,227 shares at $1.12 and 150,000 shares at $1.12, leaving him with 8,076,973 shares beneficially owned after the transactions.
Castellum, Inc. (CTM) insider sale and status changes reported on Form 4. Mark C. Fuller disposed of 500,000 shares of Common Stock on 09/03/2025 at $1.12 per share, leaving him with 6,113,659 shares beneficially owned. The filing states those holdings include 6,047,519 shares held by The Mark Chappelle Fuller Revocable Trust, 50,000 shares held by the Janice Lynn Dudley Revocable Trust, and 16,140 shares held directly by Mr. Fuller. The form also discloses that Mr. Fuller ceased to be a member of the company’s board effective May 28, 2025 and ceased to be an affiliate effective June 12, 2025. The report is signed by Mr. Fuller and shows a single reporting person filing.
Jay O. Wright, General Counsel and Secretary of Castellum, Inc. (CTM), reported sales of company common stock on August 27–28, 2025. He sold 40,000 shares on 08/27/2025 at $1.04 per share and sold 24,000 shares on 08/28/2025 at $1.046 per share, a total of 64,000 shares. After the first sale his direct holdings were 8,547,673 shares and after the second sale 8,523,673 shares. The Form 4 is signed by the reporting person.
Castellum, Inc. director and 10% owner Jay O. Wright reported two open-market dispositions of Common Stock in a Form 4. He sold 45,000 shares on 08/22/2025 and 40,000 shares on 08/26/2025 at a reported price of $1.04 per share, reducing his beneficial ownership to 8,587,673 shares after the second sale. The filing is signed and dated 08/26/2025.
C. Thomas McMillen, a director of Castellum, Inc. (CTM), exercised fully vested stock options on 08/20/2025 and received 125,000 shares of common stock at an exercise price of $0.212 per share. The Form 4 filed 08/21/2025 reports the cash exercise of those options and shows 316,015 shares beneficially owned following the transaction. The options exercised were exercisable immediately and expire 06/30/2031.
Insider sales by Castellum, Inc. director and officer Jay O. Wright. The Form 4 shows Mr. Wright sold 225,000 shares on 08/18/2025 at $1.08 and 126,000 shares on 08/19/2025 at $1.05, reducing his direct beneficial ownership to 8,672,673 shares. He is identified as a director, 10% owner, and General Counsel/Secretary. The form is signed 08/20/2025. No derivative transactions or additional explanations are included.