Welcome to our dedicated page for Adtran SEC filings (Ticker: ADTN), 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.
The ADTRAN Holdings, Inc. (ADTN) SEC filings page on Stock Titan provides access to the company’s U.S. Securities and Exchange Commission disclosures, including current reports on Form 8-K and other key documents. ADTRAN Holdings, Inc., the parent of Adtran, Inc., files regulatory reports that describe its financial results, capital structure decisions, governance matters and executive compensation arrangements.
Recent Form 8-K filings cover quarterly financial results, where the company reports revenue, margins, operating performance and reconciliations between GAAP and non-GAAP measures. These filings often reference accompanying press releases and investor presentations used in earnings webcasts. Other 8-Ks detail outcomes of annual stockholder meetings, including director elections, advisory votes on executive compensation and auditor ratification.
Filings also describe financing activities, such as the issuance of 3.75% convertible senior notes due 2030 under an indenture with U.S. Bank Trust Company, National Association as trustee. These disclosures outline the notes’ interest rate, maturity, conversion rights, redemption provisions, events of default and related capped call transactions intended to address potential dilution or cash obligations upon conversion. Additional 8-Ks explain amendments to the Wells Fargo credit agreement and how proceeds from the notes are expected to be used, including repayment of borrowings and cash collateralization of obligations.
Other regulatory documents include reports on executive employment agreements and compensation structures, such as amendments to the Chief Technology Officer’s employment agreement that specify base salary, incentive cash bonus opportunities and equity-based awards tied to revenue and adjusted earnings before interest and taxes.
Stock Titan’s platform enhances these filings with AI-powered summaries that explain complex terms, highlight key changes and help readers understand the implications of items such as convertible notes, credit agreement amendments and compensation plans. Users can quickly locate Forms 8-K, 10-K, 10-Q and Form 4 insider transaction reports as they become available from EDGAR, while AI-generated insights assist in interpreting lengthy documents without replacing the original filings.
ADTRAN Holdings’ Chief Revenue Officer filed an amended insider trading report to correct prior share figures. On January 26, 2026, 1,309 shares of common stock were delivered back to the company at $9.24 per share to cover withholding taxes on vesting performance stock units. After this tax withholding, the officer directly beneficially owned 127,701.486 shares of ADTRAN common stock.
ADTRAN Holdings Chief Revenue Officer James Denson Jr reported stock transactions related to performance-based equity awards. On January 26, 2026, he acquired 3,777 shares of common stock at $0 upon the vesting of performance stock units granted on January 20, 2023 under the company’s 2020 Employee Stock Incentive Plan.
On the same date, 1,087 shares were surrendered at $9.24 per share to cover withholding taxes due from the vesting. After these transactions, he directly held 127,923.486 common shares and indirectly held 4,246.809 shares through a 401(k) plan.
ADTRAN Holdings Chairman & CEO Stanton Thomas reported routine equity compensation activity involving company common stock. On January 26, 2026, he acquired 27,973 shares of common stock at $0 upon vesting of previously granted performance stock units under the company’s 2020 Employee Stock Incentive Plan.
On the same date, 12,407 shares were delivered back to ADTRAN at $9.24 per share to cover withholding taxes due on the vesting. After these transactions, Thomas directly owned 955,470.51 shares of ADTRAN common stock.
ADTRAN Holdings’ Chief Revenue Officer Wilson James Denson Jr reported share transfers tied to tax withholding on vested equity awards. On January 24, 2026, 1,227 shares of common stock were delivered back to the company at $9.55 per share. On January 26, 2026, a further 998 shares were delivered at $9.73 per share. After these transactions, he held 125,233.486 shares of common stock directly and 4,246.809 shares indirectly through a 401(k) plan. The filing explains that the shares were surrendered to cover withholding taxes upon vesting of previously granted restricted stock units.
ADTRAN Holdings, Inc. Chairman & CEO Stanton Thomas R reported routine share-withholding transactions related to equity compensation. On January 24, 2026, 17,535 shares of common stock at
On January 26, 2026, an additional 14,409 shares at
ADTRAN Holdings, Inc. Chief Revenue Officer Wilson James Denson Jr reported a routine share withholding transaction. On 01/20/2026, 765 shares of common stock were delivered to ADTRAN at a price of $9.24 per share to cover withholding taxes due on the vesting of previously granted restricted stock units. After this transaction, Denson directly beneficially owned 127,458.486 shares of common stock and indirectly held 4,246.809 shares of common stock through a 401(k) plan. This reflects tax-related administration of equity compensation rather than an open-market sale.
ADTRAN Holdings, Inc. insider tax-withholding share delivery: Chairman & CEO and director Stanton Thomas R reported a transaction in ADTRAN Holdings common stock. On 01/20/2026, 10,247 shares of common stock were delivered to the company at a price of $9.24 per share to cover withholding taxes due on the vesting of previously granted restricted stock units. Following this tax-related transaction, Stanton Thomas R directly beneficially owned 971,848.51 shares of ADTRAN Holdings common stock.
ADTRAN Holdings, Inc. furnished an update that it has released certain preliminary financial results for its fiscal quarter and full year ended December 31, 2025. These figures were shared through a press release and an accompanying ad hoc announcement.
Because ADTRAN is also listed on the Frankfurt Stock Exchange, it must follow European Market Abuse Regulation rules, which require real-time disclosure when expected results materially deviate from previously announced guidance or analyst consensus. To meet these obligations, ADTRAN published an ad hoc announcement in Germany covering preliminary results for the quarter ended December 31, 2025, and attached both the press release and the ad hoc notice as exhibits to this report.
ADTRAN Holdings, Inc., through its majority-owned subsidiary Adtran Networks SE, amended the employment agreement of Chief Technology Officer Christoph Glingener on December 9, 2025. The amendment extends his employment term through December 31, 2026 and increases his annual base salary to €400,000 starting October 1, 2025.
Under the revised agreement, Glingener remains eligible for an annual incentive cash bonus tied to the Company’s total revenue and adjusted earnings before interest and taxes, with a target equal to 60% of his base salary. He also continues to be eligible for annual grants of time-based RSUs and market-based PSUs based on the Company’s relative total shareholder return versus the Nasdaq Telecommunications Index, with the targeted size of the annual RSU grant and the market-based PSU grant to equal 40% of his base salary. The amendment reflects previously granted three-year performance-based PSUs tied to Adjusted EBIT through December 31, 2025 and keeps his total annual remuneration capped at €2,800,000.
ADTRAN Holdings, Inc. (ADTN) reported an insider purchase of its common stock by a reporting person who is both a Director and the Chairman & CEO. On 11/24/2025, this individual acquired 40,928 shares of ADTRAN common stock in an open-market transaction coded as a purchase. The weighted average purchase price reported was $7.33 per share, with individual trades executed between $7.32 and $7.33.
Following this transaction, the reporting person beneficially owns 982,095.51 shares of ADTRAN common stock in direct form. The filing notes that detailed information on the number of shares purchased at each separate price within the stated range is available upon request.