KNX · CIK 1492691
What Knight-Swift Transportation Holdings Inc. told the SEC could break it.
Knight-Swift's disclosures reflect the operating exposures of a large trucking company. It is exposed to diesel fuel prices on its company-owned tractor fleet, mitigated by a fuel-surcharge program that passes most increases to customers with a lag, and its revenue leans on a single large customer that generated 13.1% of total revenue in 2025, the loss of which would materially hurt results. Its cross-border operations make it sensitive to U.S.–Mexico trade relations and potential tariffs that could affect freight volumes and equipment costs, while tightening emissions rules — the EPA's 2022 NOx standard starting with model year 2027 and California Phase 2 — raise the cost and complexity of the tractors it buys.
4 self-disclosed vulnerabilities, pulled from its own filings, each in the company’s words, with the source. This is the risk register almost nobody reads.
In its own words
What could break it.
Regulatory & policy
- US-Mexico tariffs / trade relations affecting cross-border freightmedium
Knight-Swift operates in the US and Mexico and is exposed to changes in US-Mexico trade relations and trade agreements, additional tariffs on imports from Mexico and Mexican retaliatory tariffs, which could affect cross-border freight volumes and equipment costs.
“changes in trade agreements, US-Mexico trade relations, or the imposition of additional tariffs on imports from Mexico and related retaliatory tariffs that may be imposed by the Mexican government”
SEC filing →As of 2026 - EPA 2022 NOx Rule (MY2027) and California Phase 2 emissions standardsmedium
EPA's 2022 NOx Rule sets heavy-duty emissions standards more than 80% stronger starting with model year 2027, and California Phase 2 standards apply to most of the fleet — raising the cost and complexity of Knight-Swift's tractor purchases.
“In 2022, the EPA adopted a final rule regarding emissions standards of nitrogen oxides for heavy-duty motor vehicles beginning with model year 2027 being more than 80% stronger than current emission standards, with the intent to reduce heavy duty emissions by almost 50% from 2022 levels by 2045 (the “2022 NOx Rule”).”
Commodity & input dependence
- diesel fuel for company-owned tractorsmedium
Knight-Swift is exposed to diesel fuel price movements for its company-owned tractor fleet, mitigated by a fuel surcharge program that passes a majority of increases to customers (with a lag).
“Commodity Price Risk We have commodity exposure with respect to fuel used in company-owned tractors.”
Customer concentration
- largest (unnamed) customer = 13.1% of total revenuemedium
Knight-Swift's largest customer generated 13.1% of total revenue in 2025 (12.6% in 2024, 11.2% in 2023) across all reportable segments; no other customer exceeded 10%, so loss of that customer would materially affect revenue.
“Customer Concentration Services provided to the Company's largest customer generated 13.1 %, 12.6 %, and 11.2 % of total revenue in 2025, 2024, and 2023, respectively.”
SEC filing →As of 2026
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