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.
Wilson James Denson Jr reported acquisition or exercise transactions in this Form 4 filing.
ADTRAN Holdings, Inc. Chief Revenue Officer Wilson James Denson Jr received a grant of 24,908 shares of common stock in the form of restricted stock units. These RSUs vest in four equal annual installments beginning on the first anniversary of the grant date. After this award, he directly holds about 152,609.486 shares, and indirectly holds 4,246.251 shares through a 401(k) plan.
Santo Timothy P reported acquisition or exercise transactions in this Form 4 filing.
ADTRAN Holdings, Inc. reported that SVP of Finance and CFO Timothy P. Santo received a grant of 28,252 shares of Common Stock in the form of restricted stock units at no cash cost per share. These restricted stock units vest in four equal annual installments beginning on the first anniversary of the grant date. Following this grant, Santo directly holds 53,345 shares of the company’s common stock.
STANTON THOMAS R reported acquisition or exercise transactions in this Form 4 filing.
ADTRAN Holdings, Inc. Chairman & CEO Stanton R. Thomas reported a compensation-related equity award, not an open-market trade. He received 170,723 shares of Common Stock as a grant of restricted stock units. These units vest in four equal annual installments beginning on the first anniversary of the grant date. Following this award, Thomas directly holds 1,126,553.51 shares of ADTRAN common stock.
ADTRAN Holdings is asking stockholders to vote at its virtual 2026 annual meeting on May 13, 2026. The board recommends electing six directors, approving a Delaware charter amendment to extend limited liability protections to certain officers, holding an advisory vote on executive pay, and ratifying PricewaterhouseCoopers LLP as auditor for 2026.
The company highlights 2025 performance, with revenue of $1,083.8 million, up 17.5% from 2024, and GAAP gross margin improving to 38.3% (non‑GAAP 42.1%). As of March 16, 2026, there were 80,698,206 common shares outstanding. Major holders include The Vanguard Group (10.1%), BlackRock (8.2%) and EGORA Ventures (6.6%).
The proxy details board structure, committee independence, cybersecurity oversight and sustainability efforts, as well as a pay program that ties senior executive compensation to financial results and three‑year relative total shareholder return.
ADTRAN Holdings Inc — Amendment No. 18 to a Schedule 13G/A shows The Vanguard Group reporting 0 shares beneficially owned and 0% of the class as of the amendment. The filing explains an internal realignment completed on 01/12/2026 under SEC Release No. 34-39538 that caused disaggregated reporting by Vanguard subsidiaries. The filing lists Vanguard's address and is signed by Ashley Grim on 03/26/2026.
ADTRAN Holdings SVP of Finance and CFO Timothy P. Santo reported a routine tax-withholding share transfer. On the transaction date, 1,501 shares of common stock were delivered to ADTRAN Holdings at a price of $11.90 per share to cover withholding taxes on vesting restricted stock units. After this non-market disposition, Santo directly holds 25,093 shares of ADTRAN Holdings common stock.
EGORA Ventures filed an amended Schedule 13G/A reporting ownership of 4,005,806 shares of ADTRAN Holdings, Inc. The filing states this equals 4.9745% of the class. The disclosure shows EGORA holds sole voting and dispositive power over 4,005,806 shares.
The cover lists 02/02/2026 and the signature block is dated 03/18/2026 (signed by Managing Director Nikolaus Zwick). The filing is an ownership disclosure under Schedule 13G/A and does not state plans to acquire or dispose of additional shares.
ADTRAN Holdings, Inc. is soliciting proxies for its 2026 Annual Meeting of Stockholders to be held virtually on May 13, 2026. Stockholders of record as of March 16, 2026 may vote on four proposals: election of six directors, an amendment to the Certificate of Incorporation, an advisory vote on NEO compensation, and ratification of PwC as auditor.
The Board recommends voting FOR each proposal. Materials and voting instructions are available at https://materials.proxyvote.com/00486H. The Proxy Statement also highlights corporate governance practices, committee charters, cybersecurity and sustainability oversight, director independence and equity ownership guidelines. The Company reported $1,083.8 million in 2025 revenue, a 17.5% increase from 2024, and describes product and customer wins across optical networking, access/aggregation and subscriber solutions.
ADTRAN Holdings, Inc. director Jacqueline Hourigan Rice reported an open-market sale of Common Stock. She sold 14,406 shares on March 4, 2026 at a weighted average price of $10.29 per share, with individual sale prices ranging from $10.24 to $10.37.
After this sale, she directly held 13,809 shares of Common Stock. In addition, a separate line in the filing shows 62,281 shares of Common Stock held indirectly, listed under ownership "As Trustee."