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Agreement signedPublished 5 Oct 2026

Advanced Drainage Systems /
StormTrap

ADS agrees to buy PSP Capital's StormTrap for about $530 million

Target: StormTrap
TargetStormTrap
Advanced Drainage Systems (SEC 8-K Exhibit 99.1) · 5 Oct 2026Source
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Follow Advanced Drainage Systems Follow StormTrap
Target: StormTrap
TargetStormTrap
01 / BuyerAdvanced Drainage Systems
02 / TargetStormTrap
Source for the buyer and target: Advanced Drainage Systems (SEC 8-K Exhibit 99.1)

For the buyer and target.

“HILLIARD, Ohio – October 5, 2026 – Advanced Drainage Systems, Inc. (NYSE: WMS) (“ADS” or the “Company”), a leading provider of innovative water management solutions in the stormwater and onsite wastewater industries today announced that it has entered into a definitive agreement to acquire StormTrap Investments LLC (“StormTrap”), an industry leader in large volume, space-constrained, highly engineered stormwater solutions for a purchase price of approximately $530 million, or approximately $450 million when adjusted for the present value of the expected tax benefits.”

Published 5 Oct 2026

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01

What happened

Advanced Drainage Systems signed a definitive agreement to acquire StormTrap, the maker of large-volume, space-constrained stormwater storage systems, from PSP Capital for a purchase price of about $530 million. StormTrap had about $165 million of revenue over the twelve months ending July 2026. Closing is expected in the fourth quarter of 2026. [01]

02

The source

Everything on this page comes from the source below, quoted word for word.

01
Source · Advanced Drainage Systems (SEC 8-K Exhibit 99.1)

ADS agrees to buy PSP Capital's StormTrap for about $530 million

This document is the source for the companies, stage, figure and people on this page.

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03

Timeline

Every date the source states, in order, each with the words it comes from. Anything marked ahead is a target the source gives, not something that has happened.

  1. Expected close

    “Closing is expected in the fourth quarter of 2026”

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  2. Published by Advanced Drainage Systems (SEC 8-K Exhibit 99.1)

    The source this page is built from.

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Deal Web

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Deal Web · 2 firms · 0 peopleHover a name to see how it connects
This dealAdvanced Drainage Systems / StormTrapAgreement signed · Published 5 Oct 2026
BuyerAdvanced Drainage SystemsTargetStormTrap
This dealAdvanced Drainage Systems / StormTrap

Agreement signed · Advanced Drainage Systems agreed to acquire StormTrap (Agreement signed, published 5 Oct 2026).

Published 5 Oct 2026
Timeline
  1. Expected close
  2. Published by Advanced Drainage Systems (SEC 8-K Exhibit 99.1)
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Deal Web as a list
  • Advanced Drainage Systems (Buyer) agreed to acquire this deal. Advanced Drainage Systems: 1 deal on Carrywatch.
  • StormTrap (Target) target this deal. StormTrap: 1 deal on Carrywatch.