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Insider Ownership

Insider Trading & Ownership of Tim A. Makowski

Location: Hilliard, OH
Summary: The estimated net worth of Tim A. Makowski is at least $2.8M dollars as of November 13, 2025. Tim A. Makowski is the Vice President, Controller and Chief Accounting Officer of ADVANCED DRAINAGE SYSTEMS, INC. and owns shares of ADVANCED DRAINAGE SYSTEMS, INC. (WMS) stock worth about $2.8M.
Signature: /s/ Tim A. Makowski, by Scott A. Cottrill as attorney-in-fact
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Ownership of Tim A. Makowski

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
WMS	ADVANCED DRAINAGE SYSTEMS, INC.	Vice President, Controller and Chief Accounting Officer	$2.8M	-$731K	-20.7%	Nov 12, 2025

Insider Transactions Reported by Tim A. Makowski:

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.