Revenue Beat and Strong Growth
Q3 net revenue $406.8M, above the high end of guidance ($386M-$400M). Revenue +10.2% sequentially and +42.8% year-over-year.
Profitability and Margin Expansion
GAAP (non-GAAP) operating margin 21.0%, above guidance (19.2%-20.2%). Operating margin improved +170 bps sequentially and +430 bps year-over-year.
EPS Above Guidance
Q3 EPS $0.27, above guidance ($0.22-$0.24). EPS increased $0.05 sequentially and $0.12 year-over-year.
NSE Segment Outperformance
NSE revenue $321.5M, above guidance ($304M-$316M). NSE revenue +54.4% year-over-year, driven primarily by the Spirent product-line acquisition and strong demand from the data center ecosystem and aerospace & defense customers. NSE gross margin 65.3% (+220 bps YoY); NSE operating margin 17.2% (+680 bps YoY) and above guidance (15%-16%).
OSP Growth and Strong Operating Margin
OSP revenue $85.3M, above guidance ($82M-$84M) and +11.4% year-over-year. OSP operating margin 35.3% (+140 bps YoY) and in line with guidance (34.8%-35.8%).
Spirent Contribution and Cross-Sell Momentum
Spirent product-line revenue $54.2M in Q3. Management expects a calendar annual run-rate ~ $200M for Spirent lines and ongoing cross-selling (normalized Spirent June-quarter contribution ~ $48M).
Improving Fall-Through / Incremental Margins
Management cites roughly 40%-45% fall-through on incremental NSE revenue today with potential upside as volumes grow and restructuring actions complete, indicating significant operating leverage.
Debt Reduction and Capital Allocation
Paid $49M principal on convertible notes and prepaid $150M of Term Loan B (remaining Term Loan B balance $450M). Management prioritized debt prepayment over share repurchases this quarter.
Positive Guidance for Q4
Q4 revenue guidance $427M-$437M (sequentially higher). Segment guidance: NSE $340M-$348M, OSP $87M-$89M. Company operating margin guide 22.7% ±50 bps; EPS guide $0.29-$0.31. Management expects continued data center and aerospace & defense strength through calendar 2026.
Favorable Tax Position This Quarter
Effective tax rate reported ~12% in the quarter; management noted U.S. jurisdictional profit and NOL consideration contributes to a lower tax burden.