D. Scott Barbour, President and Chief Executive Officer of Advanced Drainage Systems, Inc., filed a Form 4 on August 24, 2026, disclosing a gift of 2,000 shares of common stock on August 20, 2026.

Key Highlights

  • Transaction: D. Scott Barbour disposed of 2,000 shares of common stock via a gift (transaction code G) at a price of $0 on August 20, 2026.
  • Source of gifted shares: The 2,000 shares were disposed of from holdings held indirectly through the reporting person's Revocable Trust.
  • Post-transaction ownership: Following the transaction, Barbour's Revocable Trust held 51,652 shares indirectly, and he held 77,268 shares directly.
  • Total beneficial ownership spans multiple vehicles: Holdings are spread across direct shares, two GRATs, two revocable trusts, two irrevocable spousal access trusts, and a KSOP allocation.
  • Filing signed by attorney-in-fact: The form was signed by Scott A. Cottrill as attorney-in-fact for D. Scott Barbour on August 24, 2026.

D. Scott Barbour's Share Gift and Beneficial Ownership Breakdown

According to the filing, D. Scott Barbour, serving as President and Chief Executive Officer and also listed as a Director of Advanced Drainage Systems, Inc. (NYSE:WMS), reported a single transaction on August 20, 2026. The transaction involved the disposition of 2,000 shares of common stock held indirectly through his Revocable Trust, recorded under transaction code G, at a price of $0, consistent with a gift rather than a sale.

The filing details Barbour's beneficial ownership across several holding structures following the reported transaction. He held 77,268 shares directly, and 51,652 shares indirectly through his Revocable Trust. An additional 109,955 shares were held indirectly through an irrevocable spousal access trust he established, of which his spouse is a co-trustee and of which he and his children are named beneficiaries. Two GRATs, described as the Reporting Person's 2024 GRAT and 2025 GRAT, held 11,867 and 46,500 shares indirectly, respectively. The reporting person's spouse's Revocable Trust held 6,495 shares, and a separate irrevocable spousal access trust established by the spouse, of which Barbour is a co-trustee, held 69,005 shares. Finally, 17,112.0923 shares were attributed to the reporting person's current allocation under a KSOP plan.

No derivative securities were reported in Table II of the filing. The form was filed by one reporting person and was not identified as an amendment to a prior filing.

What Was Disclosed

The filing disclosed a gift of 2,000 shares of Advanced Drainage Systems common stock by CEO D. Scott Barbour on August 20, 2026, at $0, along with a detailed accounting of his total beneficial ownership held across multiple direct and indirect structures.