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.
Advanced Drainage Systems, Inc. filings document material events, operating results, capital structure and governance actions for a NYSE-listed manufacturer of stormwater and onsite wastewater management products. Recent 8-K disclosures include quarterly results releases, Regulation FD presentation materials, dividend approvals and stock repurchase program updates.
The company's regulatory record also covers financing and material-agreement disclosures, including senior notes due 2034, subsidiary guarantees and refinancing-related capital structure matters. These filings describe how ADS reports debt instruments, shareholder returns, common stock registration, board-authorized capital actions and other events affecting its public-company obligations.
ADVANCED DRAINAGE SYSTEMS, INC. executive Thomas J. Waun Sr., EVP International, reported routine equity compensation and related tax withholding in company stock. On May 19, 2026, he acquired 4,555 shares of Common Stock at no cost through a grant of performance-based units earned under the company’s 2017 Omnibus Incentive Plan, including 63 shares of dividend equivalents settled in stock. To cover tax obligations tied to vesting of restricted stock and these awards, 217 shares in total were withheld by the issuer on May 19 and May 20 at prices of $131.59 and $136.83 per share, respectively; these withholdings are not open-market sales. After these transactions, Waun directly held 13,253 shares of Common Stock, which also include 89 shares acquired through the company’s Employee Stock Purchase Plan. Separately, an indirect holding of 807.4087 shares is allocated under a KSOP, reflecting retirement-plan related ownership.
ADVANCED DRAINAGE SYSTEMS, INC. executive Thomas J. Waun Sr., EVP International, reported routine equity compensation and related tax withholding in company stock. On May 19, 2026, he acquired 4,555 shares of Common Stock at no cost through a grant of performance-based units earned under the company’s 2017 Omnibus Incentive Plan, including 63 shares of dividend equivalents settled in stock. To cover tax obligations tied to vesting of restricted stock and these awards, 217 shares in total were withheld by the issuer on May 19 and May 20 at prices of $131.59 and $136.83 per share, respectively; these withholdings are not open-market sales. After these transactions, Waun directly held 13,253 shares of Common Stock, which also include 89 shares acquired through the company’s Employee Stock Purchase Plan. Separately, an indirect holding of 807.4087 shares is allocated under a KSOP, reflecting retirement-plan related ownership.
ADVANCED DRAINAGE SYSTEMS, INC. Executive Vice President, CFO and Secretary Scott A. Cottrill reported equity compensation and related tax withholding transactions in company common stock. He received a grant of 10,075 shares of common stock at no cost, earned from performance-based units for a period ending March 31, 2026, including 130 shares from dividend equivalents.
To cover tax obligations tied to vesting, the issuer withheld 339 shares at $136.83 per share and 277 shares at $131.59 per share, which are not open-market sales. After these transactions he directly holds 98,537 shares of common stock and indirectly holds 17,469.0329 shares through a KSOP allocation, indicating these are routine compensation and tax-related entries rather than discretionary market trades.
ADVANCED DRAINAGE SYSTEMS, INC. Executive Vice President, CFO and Secretary Scott A. Cottrill reported equity compensation and related tax withholding transactions in company common stock. He received a grant of 10,075 shares of common stock at no cost, earned from performance-based units for a period ending March 31, 2026, including 130 shares from dividend equivalents.
To cover tax obligations tied to vesting, the issuer withheld 339 shares at $136.83 per share and 277 shares at $131.59 per share, which are not open-market sales. After these transactions he directly holds 98,537 shares of common stock and indirectly holds 17,469.0329 shares through a KSOP allocation, indicating these are routine compensation and tax-related entries rather than discretionary market trades.
ADVANCED DRAINAGE SYSTEMS, INC. officer Tim A. Makowski reported receiving 3,729 shares of common stock as a grant tied to performance-based units earned under the company’s 2017 Omnibus Incentive Plan, including 53 shares from dividend equivalents. The filing also shows 192 shares of common stock withheld at prices of $131.59 and $136.83 to satisfy tax obligations related to vesting of restricted common stock. In addition to his direct holdings, Makowski has 17,556.8712 shares of common stock indirectly held through a KSOP as of May 19, 2026.
ADVANCED DRAINAGE SYSTEMS, INC. officer Tim A. Makowski reported receiving 3,729 shares of common stock as a grant tied to performance-based units earned under the company’s 2017 Omnibus Incentive Plan, including 53 shares from dividend equivalents. The filing also shows 192 shares of common stock withheld at prices of $131.59 and $136.83 to satisfy tax obligations related to vesting of restricted common stock. In addition to his direct holdings, Makowski has 17,556.8712 shares of common stock indirectly held through a KSOP as of May 19, 2026.
ADVANCED DRAINAGE SYSTEMS, INC. officer Patrick M. Coyle Jr reported equity compensation and related tax withholding transactions in company common stock. He received a grant of 3,233 shares at no cost, earned from performance-based units under the company’s 2017 Omnibus Incentive Plan, including 47 dividend-equivalent shares settled in stock.
To cover tax obligations tied to vesting, the company withheld 91 shares at $131.59 per share and 64 shares at $136.83 per share. After these transactions, he holds 5,692 shares directly and 4,310.908 shares indirectly through a KSOP allocation.
ADVANCED DRAINAGE SYSTEMS, INC. officer Patrick M. Coyle Jr reported equity compensation and related tax withholding transactions in company common stock. He received a grant of 3,233 shares at no cost, earned from performance-based units under the company’s 2017 Omnibus Incentive Plan, including 47 dividend-equivalent shares settled in stock.
To cover tax obligations tied to vesting, the company withheld 91 shares at $131.59 per share and 64 shares at $136.83 per share. After these transactions, he holds 5,692 shares directly and 4,310.908 shares indirectly through a KSOP allocation.
ADVANCED DRAINAGE SYSTEMS, INC. Executive Vice President Brian W. King received a grant of 4,491 shares of common stock, earned from performance-based units under the company’s 2017 Omnibus Incentive Plan after performance goals for the period ended March 31, 2026 were met. The total includes 62 shares credited as dividend equivalents and is compensation-related rather than an open-market purchase.
To cover tax obligations tied to vesting of restricted stock, 116 shares were withheld at $131.59 per share and 101 shares were withheld at $136.83 per share. After these transactions, King directly holds 16,475 common shares and indirectly holds 1,778.1777 shares through a KSOP allocation.
ADVANCED DRAINAGE SYSTEMS, INC. Executive Vice President Brian W. King received a grant of 4,491 shares of common stock, earned from performance-based units under the company’s 2017 Omnibus Incentive Plan after performance goals for the period ended March 31, 2026 were met. The total includes 62 shares credited as dividend equivalents and is compensation-related rather than an open-market purchase.
To cover tax obligations tied to vesting of restricted stock, 116 shares were withheld at $131.59 per share and 101 shares were withheld at $136.83 per share. After these transactions, King directly holds 16,475 common shares and indirectly holds 1,778.1777 shares through a KSOP allocation.
ADVANCED DRAINAGE SYSTEMS, INC. director and officer D. Scott Barbour received a grant of 29,327 shares of common stock on May 20, 2026 as performance-based units earned under the company’s 2017 Omnibus Incentive Plan. The award includes 409 shares issued as dividend equivalents settled in common stock. To cover tax obligations related to vesting, a total of 2,064 shares were withheld, consisting of 1,130 shares at $136.83 per share on May 20, 2026 and 934 shares at $131.59 per share on May 19, 2026. After these transactions, Barbour holds 40,803 shares of common stock directly, along with additional indirect holdings through various trusts and plans, including 53,141 shares in a revocable trust for his benefit and 109,955 shares in an irrevocable trust.
ADVANCED DRAINAGE SYSTEMS, INC. director and officer D. Scott Barbour received a grant of 29,327 shares of common stock on May 20, 2026 as performance-based units earned under the company’s 2017 Omnibus Incentive Plan. The award includes 409 shares issued as dividend equivalents settled in common stock. To cover tax obligations related to vesting, a total of 2,064 shares were withheld, consisting of 1,130 shares at $136.83 per share on May 20, 2026 and 934 shares at $131.59 per share on May 19, 2026. After these transactions, Barbour holds 40,803 shares of common stock directly, along with additional indirect holdings through various trusts and plans, including 53,141 shares in a revocable trust for his benefit and 109,955 shares in an irrevocable trust.
ADVANCED DRAINAGE SYSTEMS, INC. Executive Vice President Craig J. Taylor reported equity compensation activity in common stock. He received a grant or award of 4,039 shares at no cost, tied to performance-based units earned for a performance period ending March 31, 2026, including 56 shares from dividend equivalents.
On May 19 and May 20, shares totaling 287 were withheld at prices of $131.59 and $136.83 per share to cover tax obligations upon vesting of restricted stock. After these routine tax-withholding dispositions, Taylor directly holds 9,456 common shares, which also include 89 shares acquired through the company’s Employee Stock Purchase Plan.
ADVANCED DRAINAGE SYSTEMS, INC. Executive Vice President Craig J. Taylor reported equity compensation activity in common stock. He received a grant or award of 4,039 shares at no cost, tied to performance-based units earned for a performance period ending March 31, 2026, including 56 shares from dividend equivalents.
On May 19 and May 20, shares totaling 287 were withheld at prices of $131.59 and $136.83 per share to cover tax obligations upon vesting of restricted stock. After these routine tax-withholding dispositions, Taylor directly holds 9,456 common shares, which also include 89 shares acquired through the company’s Employee Stock Purchase Plan.
ADVANCED DRAINAGE SYSTEMS, INC. executive Kevin C. Talley, EVP and CAO, reported equity compensation activity in company stock. He received a grant of 5,903 shares of common stock at no cost, earned from performance-based units and related dividend equivalents after performance goals for the period ended March 31, 2026 were met.
To cover tax obligations tied to vesting of restricted common stock, 282 shares were withheld over two days at prices of $131.59 and $136.83 per share, which are not open‑market sales. After these transactions, Talley directly holds 56,657 shares of common stock and also has 21,644.3045 shares allocated indirectly through the company KSOP plan.
ADVANCED DRAINAGE SYSTEMS, INC. executive Kevin C. Talley, EVP and CAO, reported equity compensation activity in company stock. He received a grant of 5,903 shares of common stock at no cost, earned from performance-based units and related dividend equivalents after performance goals for the period ended March 31, 2026 were met.
To cover tax obligations tied to vesting of restricted common stock, 282 shares were withheld over two days at prices of $131.59 and $136.83 per share, which are not open‑market sales. After these transactions, Talley directly holds 56,657 shares of common stock and also has 21,644.3045 shares allocated indirectly through the company KSOP plan.
ADVANCED DRAINAGE SYSTEMS, INC. officer Bret Martz reported a small share disposition related to taxes, not a market sale. On the transaction date, 114 shares of common stock were withheld at $131.59 per share to satisfy his tax obligations from vesting restricted stock. After this tax-withholding event, he directly held 1,837 shares of common stock.
ADVANCED DRAINAGE SYSTEMS, INC. officer Bret Martz reported a small share disposition related to taxes, not a market sale. On the transaction date, 114 shares of common stock were withheld at $131.59 per share to satisfy his tax obligations from vesting restricted stock. After this tax-withholding event, he directly held 1,837 shares of common stock.
Advanced Drainage Systems, Inc. has realigned its reporting structure and provided unaudited recast historical segment financial information. Following the acquisition of National Diversified Sales, management now evaluates performance using two reportable segments, Stormwater and Wastewater, and has changed the segment profitability measure to Adjusted EBITDA.
The company states the segment realignment does not change previously reported consolidated net sales, income from operations, net income attributable to ADS, or earnings per share. Quarterly segment net sales and Adjusted EBITDA for fiscal 2026, 2025 and 2024 have been recast and furnished in Exhibit 99.1 for informational and supplemental purposes only, and are not amendments or restatements of prior financial statements.
Advanced Drainage Systems, Inc. has realigned its reporting structure and provided unaudited recast historical segment financial information. Following the acquisition of National Diversified Sales, management now evaluates performance using two reportable segments, Stormwater and Wastewater, and has changed the segment profitability measure to Adjusted EBITDA.
The company states the segment realignment does not change previously reported consolidated net sales, income from operations, net income attributable to ADS, or earnings per share. Quarterly segment net sales and Adjusted EBITDA for fiscal 2026, 2025 and 2024 have been recast and furnished in Exhibit 99.1 for informational and supplemental purposes only, and are not amendments or restatements of prior financial statements.