---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-106243"
form_type: "8-K"
ticker: "PSIX"
cik: "0001137091"
company_name: "POWER SOLUTIONS INTERNATIONAL, INC."
filed_at: "2026-03-13T23:59:59+00:00"
generated_at: "2026-05-15T12:22:17.783698+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# PSI Q4 gross margin 21.9%; sees 2026 growth, MTL acquisition adds vertical integration

## Summary
- Q4 gross margin 21.9% due to operational inefficiencies; long-term target ~25% margin.
- Data center enclosure demand strong, steady growth expected over next 4-5 years.
- MTL acquisition adds ~150k sq ft, captures key supplier, supports vertical integration.
- Oil and gas softened in Q4'25 and Q1'26; recent oil price spike too early to evaluate.
- No specific 2026 margin or revenue guidance; more detail after Q1 or Q2.

## SEC filing metadata
- accession: 0001193125-26-106243
- form_type: 8-K
- ticker: PSIX
- cik: 0001137091
- company_name: POWER SOLUTIONS INTERNATIONAL, INC.
- filed_at: 2026-03-13T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1137091/000119312526106243/0001193125-26-106243-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1137091/000119312526106243/d101858d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-106243
- JSON: https://secwatch.observer/filing/0001193125-26-106243.json
- Plain text: https://secwatch.observer/filing/0001193125-26-106243.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.