NAPCO added about $21 million of sales, a stack equal to more than one-tenth of the prior year's business. The security-equipment company grew full-year revenue 11.4% to $202.3 million, and gross profit climbed 18.6% to $119.8 million.
That is the easy read. The harder one is that operating income fell 1.3% to $45.6 million, while operating margin dropped from 25.5% to 22.6%. NAPCO sold more and kept more after product costs, but the extra gross profit did not reach the operating line.
The strongest operating receipt is in intrusion products, where management breaks growth into price and volume rather than leaving the reader with a mystery number:
"Intrusion product revenue increased by approximately 14.3% because of price increases of 10.4% and increased volume of 3.9%, primarily driven by the sale of our fire radio communicators."
NAPCO 10-K, Aug. 24, 2026
That is a useful distinction. The sales increase was not just more units, and it was not just price. Both contributed, with fire radio communicators doing much of the work disclosed in the report.
Gross margin rose to 59.2% from 55.6%. NAPCO attributes the equipment-margin improvement to price increases, a 1.0-percentage-point benefit from refunded fiscal 2025 tariffs, and lower inventory-reserve charges, partly offset by higher technical-services costs tied to AI automation investments. One of those benefits is plainly less repeatable than the others: tariff refunds are not a normal product feature.
Expenses moved the other way. NAPCO cites higher personnel costs, sales and IT hiring, commissions tied mainly to increased equipment revenue, trade-show activity, insurance, 401(k) matching, and credit-card fees. It also recorded litigation settlement costs in fiscal 2026:
"Litigation settlement costs, net of any insurance reimbursements of $16,000,000 was recognized in fiscal 2026 as a result of the settlement described in Note 14."
NAPCO 10-K, Aug. 24, 2026
The settlement is not an operating trend by itself, but it is part of the reported year's operating result. That leaves two readings available at once: the product business expanded margins, while the full cost structure absorbed the benefit.
Cash offers a cleaner part of the picture. Operating cash flow rose 14.2% to $61.1 million, cash reached $126.9 million, and inventory was nearly flat at $30.1 million. Capital spending also edged down to $1.9 million. Net income, by contrast, was essentially unchanged at $43.0 million, so the cash build came with more distance between cash generation and accounting profit.
The company says recurring wireless communication services for intrusion and fire-alarm systems have driven significant growth in recent years. That recurring base sits alongside an equipment business that just showed meaningful price power, though the annual report does not separate how much of the operating-income pressure came from the settlement versus recurring expense growth.
At the latest close, NSSC was $36.48, down 2.9% on Aug. 25. The shares carry a 30.7x trailing P/E, while the company finished the year with $126.9 million in cash. Those figures frame the same unresolved tradeoff as the annual results: investors are looking at a business with stronger sales, gross margin, and cash, but a lower operating margin and a legal charge in the reported year.
NAPCO's next annual report will clarify whether operating margin recovers after the settlement and tariff refund move out of the comparison, or whether the higher expense base remains.
The tension is simple: NAPCO is growing gross profit faster than sales, but not operating profit.
Source: NAPCO Security Technologies' Form 10-K filed Aug. 24, 2026.