Ambiq Micro, Inc.

424B4 priced

Price $78.00 · 2,000,000 shares · Gross proceeds $156,000,000

Ambiq Micro, Inc. filed a 424B4 prospectus supplement, disclosing financial results for Q1 2026 and FY 2025. Net sales grew 59.3% YoY to $25.1M in Q1 2026, driven by new product launches and a major customer addition, though FY 2025 sales declined 4.7% to $72.5M. The company reported net losses of $10.2M in Q1 2026 and $36.5M in FY 2025, with non-GAAP gross margins improving to 46.2% in Q1 2026. Risk factors highlight dependence on key customers, lack of long-term contracts, and challenges in achieving profitability.

EFFECT effective

S-1 filed

Ambiq Micro, Inc. reported significant revenue growth in Q1 2026, with net sales increasing 59.3% to $25.1 million compared to $15.7 million in Q1 2025, driven by new product launches and expanded customer base. However, the company experienced a net loss of $10.2 million in Q1 2026, up from $8.3 million in Q1 2025, due to higher R&D and SG&A expenses. Annual revenue declined 4.7% to $72.5 million in 2025, partially offset by improved gross margins. The company remains loss-making, with liquidity supported by IPO proceeds and ongoing fundraising efforts.

DRS filed

424B4 priced

Price $31.00 · 2,679,600 shares · Gross proceeds $83,067,600

Ambiq Micro, Inc. reports a decline in net sales for the three and nine months ended September 30, 2025, primarily due to reduced Mainland China sales, while sales outside Mainland China increased by 61-66%. Gross profit improved with higher margins, driven by a favorable product and customer mix. Research and development expenses decreased by 6.8-7.1% due to timing of product development, while selling, general, and administrative (SG&A) expenses rose 15.4-24% due to IPO-related stock-based compensation and transaction costs. Other income increased 57-128% from interest on IPO proceeds. The company expects continued cost increases as a public entity.

EFFECT effective

S-1 filed

Ambiq Micro, Inc. filed an S-1 registration statement for its IPO, disclosing financial results through September 30, 2025. The company reported significant net losses, with a $25.8 million loss for the nine months ended September 30, 2025, and $39.7 million for 2024. The filing includes details on equity compensation plans, including 2,327,216 shares under options, 242,502 warrants, and 1,703,600 shares reserved under the 2025 Equity Incentive Plan. Non-GAAP financial measures are emphasized, excluding items like stock-based compensation and IPO costs. The company highlights risks related to sustained losses, customer concentration, and reliance on capital raises.

DRS filed

424B4 priced

Price $24.00 · 4,000,000 shares · Gross proceeds $96,000,000

Ambiq Micro, Inc. reports a strategic shift in sales focus from Mainland China to other markets, anticipating margin improvements. The company highlights significant end customer concentration, with the largest customer accounting for 38% of sales in Q1 2025, down from 28% in Q1 2024. Gross profit increased 34.6% to $8.4 million in Q1 2025, driven by a favorable product and customer mix outside China. The semiconductor industry's cyclical nature, economic volatility, and reliance on third-party manufacturing capacity are emphasized as key risks.

EFFECT effective

CERT inactive

Ambiq Micro, Inc. has filed a CERT form to register its common stock, $0.000001 par value per share, on the New York Stock Exchange. This follows a previous 8-A12B filing for securities registration under Section 12(b) of the Exchange Act, referencing its Registration Statement on Form S-1 (File No. 333-288497). The current filing confirms the company's ongoing efforts to comply with regulatory requirements for public trading.

8-A12B effective

Ambiq Micro, Inc. is registering its common stock for listing on the New York Stock Exchange under the symbol 'AMBQ' via Form 8-A12B. The filing incorporates by reference the prospectus from its earlier S-1 registration statement (File No. 333-288497), which detailed its business, financials, and risk factors. No exhibits are required as the registration is under Section 12(b) and not for Nasdaq-listed securities.

S-1/A amended

Price $23.50 · Range $22.00 to $25.00 · 3,400,000 shares · Gross proceeds $85,000,000

Ambiq Micro, Inc. is conducting an initial public offering (IPO) of 3,400,000 shares of common stock, with an expected price range of $22.00 to $25.00 per share. The company, an emerging growth company, specializes in ultra-low power semiconductor solutions for AI and edge computing. Its proprietary SPOT technology reduces power consumption by 2-5x compared to traditional designs, targeting markets like smart devices, healthcare, and industrial automation. The IPO aims to fund growth, with underwriters including BofA Securities, UBS Investment Bank, Needham & Company, and Stifel. The filing highlights strong revenue growth, with net sales increasing to $76.1M in 2024 and $15.7M in Q1 2025.

S-1 filed

Ambiq Micro, Inc. is conducting its initial public offering (IPO) of common stock, aiming to list on the NYSE under the symbol 'AMBQ'. The company specializes in ultra-low power semiconductor solutions for edge AI, leveraging its proprietary SPOT technology to reduce power consumption by 2-5x compared to traditional designs. Financials show growth in net sales, with a focus on expanding AI adoption in personal devices, healthcare, industrial edge, and smart homes. The filing highlights risks related to AI regulation, market adoption, and competition.

DRS/A amended

Ambiq Micro, Inc. is conducting its initial public offering (IPO) of common stock, aiming to list on the New York Stock Exchange under the symbol 'AMBQ.' The company focuses on ultra-low power semiconductor solutions, particularly for edge AI applications. The filing highlights growth in net sales, with a 94% increase in Q1 2025 for end customers in the U.S., Europe, and Asia (excluding Mainland China). The offering includes underwriters such as BofA Securities, UBS Investment Bank, Needham & Company, and Stifel. Ambiq emphasizes its proprietary SPOT platform, which reduces power consumption by 2-5x compared to traditional designs, targeting markets like smart devices, healthcare, and industrial automation.

DRS/A amended

Ambiq Micro, Inc. is conducting an initial public offering (IPO) of its common stock, aiming to list on a stock exchange under the symbol 'AMBQ'. The company specializes in ultra-low power semiconductor solutions for edge AI applications, with products powering over 270 million devices. The filing highlights its proprietary SPOT technology, which reduces power consumption by 2-5x compared to traditional designs. The company reported net sales of $76.1M in 2024, with a focus on expanding AI adoption in personal devices, healthcare, industrial edge, and smart home markets. As an emerging growth company, it benefits from reduced regulatory reporting requirements.

DRS/A amended

Ambiq Micro, Inc. is seeking to go public with an initial offering of common stock, aiming to capitalize on its ultra-low power semiconductor solutions for edge AI applications. The company's SPOT technology enables two to five times lower power consumption than traditional designs, targeting markets like smart devices, healthcare, and industrial automation. The filing highlights revenue growth, with 2024 revenue reaching $X million and a gross margin of X%, and plans to list on [exchange] under the symbol AMBQ. The company emphasizes its focus on expanding AI adoption at the edge while addressing power efficiency challenges.

DRS/A amended

Ambiq Micro, Inc. is preparing for its initial public offering (IPO) with an amended registration statement (DRS/A) filed confidentially with the SEC. The company, a leader in ultra-low-power semiconductor solutions, aims to raise capital through the sale of common stock, with no existing public market for its shares. The filing highlights its focus on energy-efficient technologies for IoT, wearables, and industrial applications. The company anticipates an IPO price range and plans to list on a stock exchange under the symbol 'AMBQ'. Financials show revenue growth from 2020 to 2021 but continued net losses. The filing remains confidential, with plans to update financial disclosures before the prospectus is finalized.

DRS filed

Ambiq Micro, Inc. is seeking to raise capital through its initial public offering (IPO) of common stock, aiming to capitalize on its ultra-low-power semiconductor solutions. The company, which operates a fabless business model, specializes in proprietary SPOT technology to deliver energy-efficient semiconductors for IoT, wearables, and industrial applications. Despite net losses in recent years, Ambiq highlights its market opportunity in the growing IoT semiconductor sector, with a focus on expanding beyond 32-bit MCUs into AI-enabled products. The IPO is underwritten by Barclays and BofA Securities, with shares expected to be listed under the symbol AMBQ.