Welcome to our dedicated page for Arq SEC filings (Ticker: ARQ), 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.
This page provides access to U.S. Securities and Exchange Commission filings for Arq, Inc. (NASDAQ: ARQ), an environmental technology company that produces activated carbon and other environmentally efficient carbon products. These regulatory documents offer detailed insight into Arq’s financial condition, governance, credit arrangements and corporate actions.
Through Arq’s periodic reports, such as its Annual Report on Form 10-K and Quarterly Reports on Form 10-Q, readers can review audited and interim financial statements, discussions of revenue and gross margin trends, descriptions of the powder activated carbon (PAC) and granular activated carbon (GAC) businesses, and management’s analysis of operations and risks. Current reports on Form 8-K highlight specific material events, including earnings press releases, amendments to credit facilities and outcomes of shareholder votes.
For example, Arq has filed 8-K reports describing amendments to its Credit, Security and Guaranty Agreement with MidCap Funding IV Trust that adjust borrowing availability and minimum liquidity covenants. Other 8-K and 8-K/A filings summarize quarterly results announcements and the board’s decision to hold annual Say-on-Pay advisory votes following shareholder preferences expressed at the 2025 annual meeting.
On Stock Titan, these SEC filings are updated as they are released through the EDGAR system. AI-powered summaries help explain the key points of lengthy documents, such as what changes in a credit agreement mean for liquidity, or how management characterizes the performance of the PAC and GAC businesses. Users can quickly identify important items in 10-Ks, 10-Qs and 8-Ks, and then drill into the full text for deeper analysis, making it easier to understand the regulatory record behind ARQ stock.
Arq, Inc. amended its revolving credit facility again on March 31, 2026, entering a fifth amendment to its Credit, Security and Guaranty Agreement with MidCap Funding IV Trust and other lenders. This amendment replaces the existing minimum liquidity covenant with a $2.5 million availability reserve requirement, which will rise to $5 million starting in January 2027.
The amendment also allows certain eligible equipment and defined Rolling Stock to be counted in the borrowing availability calculation and temporarily relaxes the definition of Eligible Accounts to permit higher single-customer concentration until August 2026. The full amendment text is referenced as Exhibit 10.1.
Arq, Inc. Chief Technology Officer Joseph M. Wong reported a routine share disposition related to taxes, not an open-market trade. On March 23, 2026, 10,085 shares of common stock were withheld at $2.27 per share to satisfy tax obligations from vesting restricted stock awards. After this tax-withholding transaction, Wong directly held 390,601 shares of Arq common stock.
Arq, Inc. reported that General Counsel and Corporate Secretary Smith Claiborne Benson had 8,025 shares of common stock withheld on March 23, 2026 to cover tax obligations tied to vesting restricted stock awards. This was a tax-withholding disposition rather than an open-market sale. Following the withholding, Benson directly holds 94,466 shares of Arq common stock.
Arq, Inc. reported that Chief Accounting Officer Stacia Hansen had 8,894 shares of common stock withheld on March 23, 2026 to satisfy tax obligations tied to the vesting of restricted stock awards. These shares were valued at $2.27 per share for the withholding calculation. After this tax-withholding event, Hansen directly holds 64,305 shares of Arq common stock.
Arq, Inc. Chief Executive Officer Robert E. Rasmus reported a routine tax-withholding share disposition tied to equity compensation. On March 23, 2026, 845 shares of common stock were withheld at $2.27 per share to satisfy tax obligations from vesting restricted stock awards.
Following this withholding, he directly holds 479,937 common shares. Additional indirect holdings are reported as 70,718 shares through RER Investments LLC and 527,779 shares through RER Legacy Investments II LLC, where he is the ultimate control person but disclaims beneficial ownership beyond his pecuniary interest.
Arq, Inc. reported that Omeshorn Holdings Ltd., an entity associated with director Richard Campbell-Breeden, purchased 150,000 shares of Arq common stock in an open-market transaction on March 23, 2026. The weighted average purchase price was $2.2111 per share, with individual trades between $2.140 and $2.285.
After this transaction, Omeshorn Holdings Ltd. held 404,786 Arq shares indirectly attributable to Campbell-Breeden, and he also held 86,868 shares directly in his own name.
Arq, Inc. Chief Technology Officer buys additional shares in open-market trade. Joseph M. Wong purchased 10,000 shares of Arq common stock in the open market at a weighted average price of $1.89 per share, with individual trade prices ranging from $1.885 to $1.89. Following this transaction, he directly owns 400,686 common shares.
Arq, Inc. director Carol S. Eicher reported an open-market purchase of 77,500 shares of Common Stock on March 13, 2026. The weighted average purchase price was $1.9485 per share, with individual trades executed between $1.925 and $1.950. Following this transaction, she directly owns 174,010 Arq shares.
Arq, Inc. reported that its General Counsel and Corporate Secretary, Smith Claiborne Benson, bought additional company stock in the open market. He purchased 1,000 shares of common stock on March 12 at $1.9185 per share and another 1,000 shares on March 16 at $1.9179 per share. Following these two transactions, his directly owned common stock holdings increased to 102,491 shares, indicating a modest personal increase in investment in the company.
Arq reports that Daniel Kaufman beneficially owns 2,191,278 shares of Common Stock, representing 5.12% of the class as reported on 03/11/2026. Kaufman reports sole voting and dispositive power over these shares.