Ambarella, Inc. (AMBA) SEC Filings & Earnings Calls

Customer concentration

“WT accounted for 60.2% of revenue in Q2 2026.”

Supply chain concentration

“Products manufactured by third-party contractors primarily in Asia.”

Gross margin pressure from product mix shift and competition

“Non-GAAP gross margin declined 120bps YoY to 59.3%; Q3 guidance midpoint 59.5% suggests continued pressure.”

Dependence on edge AI adoption and new product ramp

“Record edge AI revenue driven by 5nm SoCs; new AI Accelerator X7 and channel expansion may take time to contribute.”

Customer Concentration Risk

“For the three months ended April 30, 2026 and 2025, the customer representing 10% or more of revenue was WT, which accounted for approximately 61% and 63% of total revenue, respectively.” · word for word

Inventory Risk

“Inventories increased from $52.2 million to $80.4 million, and the company recorded $1.2 million in loss liabilities from adverse purchase commitments.”

Operating Cash Flow Negative

“We had cash outflows from operating activities of $25.6 million for the three months ended April 30, 2026, as compared to cash inflows of $14.8 million for the three months ended April 30, 2025.” · word for word

Gross margin pressure due to product mix and competition.

“GAAP gross margin declined from 60.0% to 58.4% YoY; non-GAAP from 62.0% to 59.9%.”

Continued GAAP net losses, though improving.

“GAAP net loss of $18.1M, though improved from $24.3M YoY.”

Talent retention risk in competitive AI/semiconductor market

“Our industry is characterized by high demand and intense competition for talent, particularly for engineering personnel. The pool of qualified candidates is limited, particularly in Silicon Valley and parts of Asia for very-large-scale integration, or VLSI, and AI engineers, and certain of our competitors and potential competitors with greater resources have” · word for word

Dilution risk from equity compensation

“If shareholders approve the Share Increase, we expect the shares available under the 2021 Plan to be sufficient to meet our anticipated needs through the date of our 2028 annual meeting of shareholders” · word for word

Gross margin compression on GAAP and non-GAAP basis year-over-year.

“GAAP gross margin declined from 60.0% to 58.4%; non-GAAP from 62.0% to 59.8%.”

Customer concentration risk

“WT accounted for approximately 70.2% of total revenue for the three months ended October 31, 2025.”

Manufacturing concentration risk

“The Company's products are manufactured, assembled and tested by third-party contractors located primarily in Asia. The Company does not have long-term agreements with these contractors.” · word for word

Inventory risk

“Total manufacturing purchase commitments were approximately $106.2 million as of October 31, 2025, up from $56.4 million as of January 31, 2025.”

Gross margin slightly declining YoY due to product mix or pricing pressure.

“GAAP gross margin 59.6% vs 60.6% YoY; non-GAAP 60.9% vs 62.6% YoY.”

CTO resignation for personal reasons; transition to part-time advisor role may indicate key person risk.

“Leslie Kohn informed the Board of his voluntary resignation as a director and as Chief Technology Officer for strictly personal reasons, effective immediately.”