Welcome to our dedicated page for Advanced Drain Sys Del SEC filings (Ticker: WMS), 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 SEC filings of Advanced Drainage Systems, Inc. (NYSE: WMS) provide detailed information about the company’s financial performance, material agreements and capital allocation decisions as a manufacturer of stormwater and onsite wastewater management products and solutions. As a New York Stock Exchange registrant, Advanced Drainage Systems files current reports on Form 8-K and other documents with the U.S. Securities and Exchange Commission.
On this page, you can review Form 8-K filings in which the company reports items such as quarterly financial results and dividend declarations. For example, Advanced Drainage Systems files Form 8-K under Item 2.02 to furnish press releases that set forth unaudited results for fiscal quarters, including net sales, net income and Adjusted EBITDA. These filings often include references to performance in pipe, Infiltrator, Allied products and international operations, as well as commentary from management.
The company also uses Form 8-K to disclose material definitive agreements under Item 1.01. A notable example is the Master Share Purchase Agreement with Norma Group SE, under which Advanced Drainage Systems agreed to acquire the water management business known as National Diversified Sales (NDS) in an all-cash transaction, subject to customary closing conditions and regulatory approvals. Related 8-K filings include exhibits such as the purchase agreement and investor presentations.
In addition, Form 8-K filings document dividend actions under Item 8.01, where the Board of Directors’ approval of quarterly cash dividends, per-share amounts, record dates and payment dates are announced. These filings often incorporate by reference the associated press releases.
On Stock Titan, Advanced Drainage Systems’ SEC filings are updated as they are posted to the EDGAR system. AI-powered tools can help summarize lengthy documents such as earnings releases and attached presentations, highlight key items from 8-K reports and make it easier to understand how new agreements, dividends and financial results may relate to the company’s broader water management business.
Advanced Drainage Systems (WMS): Form 4 insider transaction — A company director reported a code G transaction on 11/10/2025, reflecting a no‑consideration movement of shares. The filing shows 4,100 shares of common stock were transferred at $0.00, decreasing direct holdings and increasing indirect holdings in a revocable trust.
Following the transaction, the director reported 2,386 shares held directly and 60,645 shares held indirectly through a revocable trust benefiting the reporting person and family. This appears as an internal reallocation of ownership with no sale proceeds.
WMS: A shareholder filed a Form 144 notice to sell up to 4,901 shares of common stock on the NYSE through Morgan Stanley Smith Barney LLC, with an aggregate market value of $731,276.33. The approximate sale date listed is 11/12/2025.
The filing shows 77,764,487 shares outstanding. The shares proposed for sale were acquired via an Employee Stock Purchase Plan (101 shares on 12/29/2023, paid in cash), Restricted Stock (970 shares on 05/19/2023), and Performance Shares (3,830 shares on 05/15/2024).
WMS filed a Form 144 notice for a proposed sale of 2,901 common shares through Morgan Stanley Smith Barney LLC Executive Financial Services on the NYSE. The filing lists an aggregate market value of $430,748.85 and an approximate sale date of 11/10/2025. The shares to be sold were acquired via a stock option exercise of 2,776 shares on 11/10/2025 and an employee stock purchase plan purchase of 125 shares on 06/30/2025. Shares outstanding were 77,764,487 as of the filing; this is a baseline figure, not the amount being offered.
Advanced Drainage Systems (WMS) reported stronger Q2 FY2026 results. Net sales rose to $850.4 million, up 8.7% year over year, with growth led by Infiltrator and Allied Products & Other. Gross profit increased 15.7% to $340.1 million as price/cost and mix improved. Net income was $156.5 million, and diluted EPS was $1.99.
Operating performance improved: income from operations reached $223.3 million and Adjusted EBITDA rose 17.1% to $287.5 million. Cash from operations was $509.8 million in the first six months, supporting a cash balance of $812.9 million at quarter end. Long‑term debt stood at $1.25 billion, largely senior notes and a term loan.
The company recorded $7.2 million of Q2 expense under its 2026 Restructuring Plan and realized a $17.6 million gain from property sales. Year‑to‑date, ADS completed the River Valley Pipe asset purchase (~$18.8 million) and continues integrating Orenco. ADS also signed a definitive agreement to acquire NDS for approximately $1.0 billion, expected to close in the first quarter of calendar 2026 subject to customary approvals. A quarterly dividend of $0.18 per share was declared after quarter end.
Advanced Drainage Systems (WMS) furnished unaudited results for its fiscal second quarter ended September 30, 2025 and announced a cash dividend. Management hosted a conference call and webcast at 10:00 a.m. Eastern on November 6, 2025, with accompanying slides available as furnished materials.
The Board approved a $0.18 per‑share cash dividend, payable on December 15, 2025 to stockholders of record as of December 1, 2025. The earnings press release and presentation slides were furnished as Exhibits 99.1 and 99.2, and the dividend press release as Exhibit 99.3. An archived webcast is accessible via the company’s Investor Relations website.
Advanced Drainage Systems, Inc. (WMS) entered into a Master Share Purchase Agreement to acquire National Diversified Sales (NDS), the water management business formerly held within NORMA Group SE, for approximately $1.0 billion in an all-cash transaction, subject to customary purchase price adjustments. The company expects the deal to close in the first quarter of calendar 2026 and completion is conditioned on required regulatory approvals and other customary closing conditions. The filing references a press release and investor presentation dated September 23, 2025, and provides executive contact and signature by EVP/CFO Scott A. Cottrill.
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