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 director reports insider transactions. A reporting person serving as a director of Advanced Drainage Systems, Inc. disclosed activity in the company’s common stock through a revocable trust and direct holdings.
On 12/03/2025, the revocable trust sold 10,569 shares of common stock at $152.82 per share in an open market sale, leaving the trust with 50,076 shares afterward. On 12/05/2025, the trust made a gift of 1,000 shares at a stated price of $0, reducing its holdings to 49,076 shares.
Separately, the reporting person is shown as directly holding 2,386 shares of common stock. The filing notes that the revocable trust’s shares are held for the benefit of the reporting person, their spouse, and children.
Advanced Drainage Systems, Inc.12/02/2025 at a reported price of $0.00 per share. These were recorded as non-derivative transactions in the Form 4’s Table I. After these transactions, Coleman directly beneficially owned 11,477 shares of Advanced Drainage Systems common stock. Table II, covering derivative securities such as options or warrants, shows no derivative transactions reported for this date.
Advanced Drainage Systems, Inc. executive reports stock sale
An officer of Advanced Drainage Systems, Inc. (EVP, International) filed a Form 4 reporting a sale of company common stock. On 11/26/2025, the reporting person sold 1,500 shares of common stock at a price of $155 per share. After this transaction, the filer directly owns 13,470 shares of common stock.
The filing also shows indirect ownership of 796.9667 shares of common stock held through a KSOP, described as the current allocation under that plan. The filing is submitted by the executive through an attorney-in-fact, indicating routine compliance with insider reporting obligations.
Advanced Drainage Systems, Inc. (WMS) President & CEO and Director D. Scott Barbour reported changes in his beneficial ownership of company common stock on a Form 4 dated 11/25/2025. The filing shows multiple zero-price transactions with code "G", reflecting transfers of shares among his direct holdings and various personal and family trusts.
After these transactions, Barbour held 41,067 shares directly, 11,867 shares in a 2024 GRAT, 83,991 shares in his revocable trust, and 46,500 shares in a 2025 GRAT, along with additional indirect holdings including 98,805 shares in an irrevocable trust, 69,005 shares in a spouse’s irrevocable trust, and 16,997.0469 shares through a KSOP. All reported transfers were at a stated price of $0 per share.
Advanced Drainage Systems, Inc. (WMS)5,847 shares of common stock directly and 4,300.1706 shares indirectly through the company KSOP. He also holds several stock options to purchase common stock, including 495 shares at $99.29 per share expiring on May 17, 2032, 2,486 shares at $96.51 expiring on May 21, 2033, 1,309 shares at $177.38 expiring on May 20, 2034, 1,946 shares at $119.30 expiring on May 20, 2035, and 367 shares at $143.97 expiring on September 1, 2035. These options vest in three equal annual installments, in each case beginning on the stated start date and contingent on his continued employment.
Advanced Drainage Systems (WMS) executive Thomas J. Waun, Sr. reported open‑market sales of common stock. On 11/11/2025, he sold 1,272.3795 shares at $148.2969 per share, and on 11/12/2025 he sold 1,000 shares at $150 per share.
After these transactions, he reported 14,970 shares held directly and 796.9667 shares held indirectly through the company KSOP. A footnote indicates the direct total includes 125 shares acquired under the Employee Stock Purchase Plan and that the KSOP amount represents his current allocation.
Advanced Drainage Systems (WMS) CEO D. Scott Barbour reported insider transactions on 11/12/2025. He exercised options for 80,030 shares at $25.75 and sold 4,538 shares at $148.007, 73,462 at $148.9597, and 2,030 at $150.6551. After these trades, he held 42,867 shares directly. He also reported indirect holdings: 69,491 in a revocable trust, 98,805 in an irrevocable trust, 6,495 in a spouse’s revocable trust, 69,005 in a spouse’s irrevocable trust, 25,111 and 26,367 in 2023/2024 GRATs, and 16,997.0469 via KSOP.
Advanced Drainage Systems (WMS) reported an insider transaction on a Form 4. On 11/12/2025, a company officer executed two open-market sales: 4,800 shares at $149.21 and 101 shares at $149.1914. Following these trades, the officer directly owned 2,568 shares and indirectly held 17,557.0082 shares by KSOP. The reporting person’s title is Vice President, Controller and Chief Accounting Officer.
WMS — Form 144 notice of proposed sale. An affiliate filed to sell up to 80,030 shares of the issuer’s common stock through Morgan Stanley Smith Barney LLC. The shares have an aggregate market value of $11,920,356.46. The approximate sale date is 11/12/2025, and the securities are listed on the NYSE.
The shares to be sold were acquired on 11/12/2025 via a stock option exercise for cash. Shares outstanding were 77,764,487.
WMS received a Form 144 notice for a proposed sale of 1,000 common shares, with an aggregate market value of $150,000. The shares were acquired through equity awards in May 2024, including restricted stock and performance shares. The proposed sale is listed for 11/12/2025 on the NYSE, with Morgan Stanley Smith Barney LLC as broker. Shares outstanding were 77,764,487 at the time noted.
The award grants that comprise the 1,000 shares include restricted stock and performance shares acquired on specific May 2024 dates, aligning the planned sale amount with these issuances.
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