Federal Signal Corporation (FSS) Cash Flow Statement

The OCF/NI ratio has consistently exceeded 1.0 in recent quarters, with 2026Q2 at 1.31, suggesting that reported earnings are increasingly backed by cash. This improvement aligns with the company's revenue acceleration and margin expansion, as the working capital drag seen in earlier periods has reversed. Investors should monitor whether this conversion rate persists as growth normalizes.

Free cash flow has grown from $22.9M in 2024Q1 to $101.0M in 2026Q2, a more than fourfold increase, while FCF margin tripled. This trajectory outpaces net income growth, indicating that the company is converting a larger share of revenue into cash. The sustained improvement suggests that the business is benefiting from both higher volumes and better working capital management.

Capital expenditures have remained relatively stable at $6-12M per quarter, despite revenue growth, implying that Federal Signal's asset base is not a major cash drain. This low capital intensity supports high FCF conversion and suggests that growth is being achieved without significant incremental investment. However, the modest capex may also indicate that the company is not investing heavily in future capacity, which could limit long-term growth potential.

The negative working capital changes in 2024 and early 2025 were a significant drag on cash flow, but recent quarters have seen a reversal, with 2026Q2 showing only a -$5.4M impact. This suggests that the company has tightened its cash conversion cycle, possibly through better receivables collection and inventory control. The improvement is a key driver of the robust cash flow performance and may indicate sustainable operational improvements.

Federal Signal has allocated significant capital to acquisitions, with notable outflows in 2025Q4 (-$418.9M) and 2026Q1 (-$44.9M), indicating an aggressive M&A strategy. In contrast, buybacks have been minimal, and dividends have grown modestly. This deployment suggests management is prioritizing inorganic growth, which could enhance scale but also introduces integration risk. Investors should monitor the return on these acquisitions relative to the company's cost of capital.

The cumulative OCF/NI ratio of 1.13 over the period suggests that Federal Signal's earnings are more than fully backed by cash, with the excess likely driven by non-cash charges like D&A and favorable working capital movements. This divergence is a positive signal, as it implies that the company is not relying on aggressive accruals to boost reported profits. However, the recent acquisition spree may alter this dynamic, as integration costs and goodwill could impact future cash conversion.