secwatch.observer — SEC 8-K summary ====================================== Issuer: POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) CIK: 0001137091 Form: 8-K Filed at: 2026-03-13T23:59:59+00:00 Accession: 0001193125-26-106243 Event type: other_material Sentiment: positive Materiality: 0.75 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 PSI Q4 gross margin 21.9%; sees 2026 growth, MTL acquisition adds vertical integration -------------------------------------------------------------------------------- - 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. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1137091/000119312526106243/0001193125-26-106243-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1137091/000119312526106243/d101858d8k.htm HTML page: https://secwatch.observer/filing/0001193125-26-106243 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer