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. director and officer D. Scott Barbour reported updated holdings of common stock, including various indirect positions held through trusts and a KSOP. The filing also shows that 1,898 shares of common stock were withheld at $133.00 per share to cover tax obligations upon the vesting of restricted common stock, leaving 68,232 shares held directly.
ADVANCED DRAINAGE SYSTEMS, INC. Executive Vice President Craig J. Taylor reported a small, non-market transaction tied to equity compensation. On May 22, 2026, 152 shares of common stock were withheld at $133.00 per share to cover tax obligations from vesting restricted stock. After this tax-withholding disposition, he directly holds 13,343 shares of common stock, including 89 shares acquired through the company’s Employee Stock Purchase Plan.
ADVANCED DRAINAGE SYSTEMS, INC. executive Kevin C. Talley, EVP and CAO, reported routine equity compensation-related activity. On May 22, 2026, 324 shares of common stock were withheld at $133.00 per share to satisfy his tax obligations tied to the vesting of restricted common stock, which is not an open-market sale.
After this tax-withholding disposition, Talley directly owned 62,236 shares of common stock and held an additional 21,644.3045 shares indirectly through a KSOP allocation.
ADVANCED DRAINAGE SYSTEMS, INC. officer Tim A. Makowski reported a routine tax-withholding transaction related to equity compensation. On May 22, 2026, 129 shares of common stock were disposed of at $133.00 per share to cover tax obligations from vesting restricted stock. After this, he directly holds 5,875 shares of common stock and indirectly holds 17,556.8712 shares through a KSOP allocation.
Advanced Drainage Systems, Inc. executive Brian W. King reported a routine tax-related share disposition. On 2026-05-22, 230 shares of common stock were withheld at $133.00 per share to satisfy his tax obligations tied to the vesting of restricted common stock.
After this tax-withholding disposition, King directly holds 20,736 shares of common stock and has an additional 1,778.1777 shares held indirectly through a KSOP allocation, which includes 89 shares acquired under the company’s Employee Stock Purchase Plan.
ADVANCED DRAINAGE SYSTEMS, INC. executive Thomas J. Waun Sr., EVP, International, reported a routine tax-withholding transaction related to equity compensation. On May 22, 2026, 218 shares of common stock were withheld at $133.00 per share to cover tax obligations from vesting restricted stock, not an open-market sale.
After this disposition, he directly holds 17,590 shares of common stock. He also has an indirect holding of 807.4087 shares through a KSOP account, which includes 89 shares acquired under the company’s Employee Stock Purchase Plan.
ADVANCED DRAINAGE SYSTEMS, INC. officer reports routine tax withholding related to equity vesting. On May 22, 2026, 112 shares of common stock were disposed of at $133.00 per share to satisfy tax obligations arising from the vesting of restricted common stock. This was a share withholding by the issuer, not an open-market sale, and is classified as a tax-withholding disposition.
After this event, the reporting person held 8,813.0000 common shares directly and 4,310.9080 shares indirectly through a KSOP allocation. No open‑market purchases or sales were reported in this filing.
ADVANCED DRAINAGE SYSTEMS, INC. executive Scott A. Cottrill reported routine equity compensation-related activity. On May 22, 2026, 604 shares of common stock were withheld at $133.00 per share to cover his tax obligations in connection with the vesting of restricted common stock, rather than an open-market sale. After this tax-withholding disposition, he directly held 108,008 shares of common stock and indirectly held 17,469.0329 shares through a KSOP allocation.
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.