NWPX Infrastructure Announces Acquisition of Serpentix Conveyor, LLC

NWPX Infrastructure broadens its wastewater platform with the Serpentix acquisition, adding conveyor, automation and fabrication capabilities plus $15.6 million in trailing sales.

Rhea-AI Summary

NWPX Infrastructure (NWPX) completed the acquisition of Serpentix Conveyor, LLC, a manufacturer of engineered conveyor systems for municipal wastewater treatment and industrial facilities, on September 2, 2026.

The company expects the transaction to be immediately accretive to earnings. Serpentix, founded in 1969 and based in Westminster, Colorado, designs systems to handle abrasive, high‑moisture sludge, grit, screenings, and other difficult materials, supported by an in‑house engineering team. Its continuous path™ conveyor technology allows a single system to navigate horizontal turns, vertical inclines, and complex three‑dimensional layouts, reducing the need for multiple straight‑line conveyors and transfer points.

Serpentix also offers industrial automation and precision metal‑fabrication services for water, wastewater, and other industrial markets. For the trailing twelve months ended June 30, 2026, Serpentix generated approximately $15.6 million in annual net sales. NWPX Infrastructure said the deal expands its wastewater treatment infrastructure platform, complements existing dewatering, separation, and mixing capabilities, and aligns with its capital allocation strategy. This is NWPX Infrastructure’s second acquisition in 2026, following Boughton’s Precast in February.

Positive

• Immediate earnings accretion expected from the Serpentix acquisition
• Adds wastewater-focused engineered conveyor, automation, and metal-fabrication capabilities to NWPX
• Serpentix generated approximately $15.6 million in trailing 12‑month net sales as of June 30, 2026
• Acquisition deepens NWPX’s participation in municipal wastewater treatment infrastructure
• Second acquisition in 2026 signals ongoing execution of NWPX’s M&A growth strategy

Negative

• None.

Market Context

On February 23, NWPX's prior acquisition was followed by a 1.41% 24-hour move. That tag-specific pre...

Analysis

On February 23, NWPX's prior acquisition was followed by a 1.41% 24-hour move. That tag-specific precedent framed the Serpentix deal, while recent insider data showed 19,827 shares sold and no purchases.

Key Figures

Transaction close date: September 2, 2026 Company experience: More than five decades Annual net sales: $15.6 million +1 more

4 metrics

Transaction close date September 2, 2026 Serpentix acquisition

Company experience More than five decades Serpentix operating history

Annual net sales $15.6 million Serpentix trailing twelve months ended June 30, 2026

Acquisitions this year Second acquisition NWPX acquisition activity in 2026

Previous Acquisition Reports

1 past event · Latest: Feb 23 (Positive)

Same Type Pattern 1 events

Date	Event	Sentiment	24h Move	Catalyst
Feb 23	Precast acquisition	Positive	+1.4%	Boughton's Precast acquisition was described as immediately accretive to earnings.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Pattern Detected

The tag-specific acquisition precedent was followed by a positive 1.41% 24-hour move, while recent earnings-related reactions were mixed.

Key Terms

accretive to earnings, trailing twelve months

2 terms

accretive to earnings financial

"The transaction closed on September 2, 2026, and is expected to be immediately accretive to earnings."

When a deal or action is described as "accretive to earnings," it means the transaction is expected to increase the profit allocated to each share held after the change. Think of slicing a pie: if the pie grows faster than new slices are added, each slice gets bigger. Investors care because larger per-share profits can justify a higher share price and signal the move strengthens shareholder value.

trailing twelve months financial

"For the trailing twelve months ended June 30, 2026, annual net sales for Serpentix were approximately $15.6 million."

Trailing twelve months is a rolling measure of a company’s financial performance that adds together the most recent four quarters of results to show how the business has done over the last 12 months, rather than a fixed fiscal year. Investors use it like checking a car’s last 12 months of fuel use to see current efficiency — it highlights recent trends, evens out seasonal swings, and provides an up-to-date basis for comparing and valuing companies.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Acquisition expands NWPX's participation in wastewater treatment infrastructure and adds engineered conveyor, automation, and fabrication capabilities.

VANCOUVER, Wash., Sept. 2, 2026 /PRNewswire/ -- NWPX Infrastructure, Inc. (Nasdaq: NWPX), a leading manufacturer of water-related infrastructure products, today announced the acquisition of Serpentix Conveyor, LLC ("Serpentix"), a manufacturer of engineered conveyor systems used primarily in municipal wastewater treatment plants and industrial manufacturing facilities. The transaction closed on September 2, 2026, and is expected to be immediately accretive to earnings.

Founded in 1969 and headquartered in Westminster, Colorado, Serpentix has more than five decades of experience developing custom material-handling solutions. Supported by an in-house engineering team, Serpentix systems are designed to convey abrasive, high-moisture sludge, grit, screenings, and other materials in demanding municipal operating environments.

"This acquisition further enhances NWPX Infrastructure's position in the wastewater treatment market and adds a set of innovative engineered products for municipal and industrial applications," said Scott Montross, President and Chief Executive Officer of NWPX Infrastructure. "Serpentix strengthens our portfolio with specialized material-handling and engineered conveyance solutions that fit naturally alongside NWPX Park's existing dewatering, separation, and mixing capabilities. It builds on a wastewater platform we have been developing within the Company and complements the broader growth strategy we have executed across our water transmission and Precast businesses. We see strong, long‑term potential in this large, fragmented market with compelling opportunities to support NWPX's continued growth, broaden the solutions we provide to municipal and industrial customers, and create lasting value for our shareholders. This transaction reflects our disciplined approach to capital allocation. It aligns with our strategy of serving essential water and wastewater infrastructure and the strategic criteria that have guided prior acquisitions."

Serpentix's continuous path™ technology allows a single conveyor system to navigate horizontal turns, vertical inclines, and complex three-dimensional layouts. By reducing the need for multiple straight-line conveyors and intermediate transfer points, Serpentix conveyors simplify equipment layouts, support reliable plant operations, and address challenging retrofit applications where available space is limited.

In addition to its conveyor systems, Serpentix provides industrial automation and precision metal-fabrication capabilities for customers within and outside the water and wastewater markets. For the trailing twelve months ended June 30, 2026, annual net sales for Serpentix were approximately $15.6 million.

The transaction marks NWPX Infrastructure's second acquisition this year, following the acquisition of Boughton's Precast in February 2026.

About NWPX Infrastructure – Founded in 1966, NWPX Infrastructure, Inc. is a leading manufacturer of water-related infrastructure products. Under the Northwest Pipe Company brand, the Company is the largest manufacturer of engineered water transmission systems in North America and produces steel casing pipe, bar-wrapped concrete cylinder pipe, and pipeline system joints and fittings. The Company also provides solution-based products for a wide range of markets including high-quality reinforced precast concrete products, lined precast sanitary sewer system structures, water distribution and management equipment including pump lift stations, wastewater pretreatment, and stormwater quality products. The Company has broadened its manufacturing footprint by bringing lined and engineered precast products into production at additional facilities. This increases the Company's capacity and improves regional availability. Strategically positioned to meet growing water and wastewater infrastructure needs, the Company's skilled team is committed to quality and innovation while upholding its core values of accountability, commitment, and teamwork. Headquartered in Vancouver, Washington, the Company operates 14 manufacturing facilities across North America. For more information, please visit www.nwpx.com.

Contact:
Aaron Wilkins
Chief Financial Officer
NWPX Infrastructure, Inc.
360-397-6294 • awilkins@nwpx.com

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SOURCE NWPX Infrastructure, Inc.

FAQ

What acquisition did NWPX Infrastructure (NWPX) announce on September 2, 2026?

NWPX Infrastructure announced it has acquired Serpentix Conveyor, LLC, a manufacturer of engineered conveyor systems used primarily in municipal wastewater treatment plants and industrial manufacturing facilities. The transaction closed on September 2, 2026.

How is the Serpentix Conveyor acquisition expected to impact NWPX Infrastructure earnings?

The Serpentix Conveyor acquisition is expected to be immediately accretive to earnings, meaning NWPX Infrastructure anticipates the deal will increase its earnings per share from the outset, based on the company’s statement.

What are Serpentix Conveyor’s annual net sales before the NWPX (NWPX) acquisition?

For the trailing twelve months ended June 30, 2026, Serpentix Conveyor reported approximately $15.6 million in annual net sales. This provides investors with a recent revenue reference point for the acquired business.

How does the Serpentix acquisition expand NWPX Infrastructure’s wastewater treatment business?

The acquisition expands NWPX Infrastructure’s participation in wastewater treatment infrastructure by adding engineered conveyor systems designed for sludge, grit, and screenings, as well as automation and metal-fabrication capabilities that complement its existing dewatering, separation, and mixing solutions.

What is Serpentix Conveyor’s continuous path technology and why is it important for NWPX (NWPX)?

Serpentix’s continuous path™ technology allows a single conveyor to handle horizontal turns, vertical inclines, and complex 3D layouts. This reduces the need for multiple straight-line conveyors and transfer points, simplifying plant layouts and supporting reliable operations in constrained retrofit environments.

Where is Serpentix Conveyor based and what markets does it serve after joining NWPX Infrastructure?

Serpentix Conveyor is headquartered in Westminster, Colorado. It serves municipal wastewater treatment plants and industrial manufacturing facilities, and also provides industrial automation and precision metal-fabrication services to customers inside and outside the water and wastewater markets.

How does the Serpentix deal fit into NWPX Infrastructure’s 2026 acquisition activity?

The Serpentix transaction is NWPX Infrastructure’s second acquisition in 2026, following the acquisition of Boughton’s Precast in February 2026. The company said this deal aligns with its disciplined capital allocation approach and broader water and wastewater infrastructure growth strategy.