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Filing Flows › Pulmonx (LUNG) › R&D spending

Pulmonx (LUNG) R&D spending by quarter

Pulmonx's R&D spending was $4.9M in Q3 2026 (third quarter 2026), -3% from Q2 2026. Over the last 7 quarters it ranged from $4.6M (Q4 2025) to $5.3M (Q2 2025).

Pulmonx R&D spending by quarterPulmonx R&D spending by quarter$4.8MQ1 2025$5.3MQ2 2025$4.8MQ3 2025$4.6MQ4 2025$4.9MQ1 2026$5.0MQ2 2026$4.9MQ3 2026
QuarterR&D spendingQ/QY/Y
Q3 2026$4.9M-3%+0.4%
Q2 2026$5.0M+3%-5%
Q1 2026$4.9M+7%+3%
Q4 2025$4.6M-5%—
Q3 2025$4.8M-9%—
Q2 2025$5.3M+12%—
Q1 2025$4.8M——

Q3 2026 at a glance

Pulmonx, Q3 2026: revenue $22.8M (+6% year over year), operating margin -32.8%, net loss $8.4M, operating cash flow −$3.2M. The chart follows the revenue to costs, profit and cash.

Questions

What is Pulmonx's R&D spending?

Pulmonx's R&D spending was $4.9M in Q3 2026 (third quarter 2026), -3% from Q2 2026.

How has Pulmonx's R&D spending changed?

Over the last 7 quarters it ranged from $4.6M (Q4 2025) to $5.3M (Q2 2025).

Q3 2026 results → · How Pulmonx makes money →