Welcome to our dedicated page for Ambiq Micro SEC filings (Ticker: AMBQ), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Ambiq Micro, Inc. filings document the public-company record for a fabless semiconductor issuer focused on ultra-low-power edge AI chips and software. Its SEC disclosures include S-1 registration materials for common stock offerings, 8-K reports on quarterly and annual financial results, and exchange-listing details for AMBQ common stock on the New York Stock Exchange.
Proxy and current-report filings cover shareholder voting matters, director elections, audit-firm ratification, board composition, executive compensation, equity awards, and other governance subjects. Capital-structure disclosures identify common stock terms and offering-related updates.
Ambiq Micro, Inc. furnished a letter from its CEO reflecting on the company’s first year as a public company and outlining its strategy in ultra‑low‑power edge AI.
The CEO notes that Ambiq completed an IPO and two follow‑on equity offerings during that first year, raising approximately $372 million in gross proceeds to support long‑term growth. He highlights more than 15 years of innovation behind the SPOT platform and Apollo system‑on‑chips and reports that about 80% of customers are now integrating AI into their product designs.
Ambiq describes expanding its software ecosystem through the neuralSPOT AI Development Kit and the HELIA AI tools, and previews the Atomiq family, its first SPOT‑based products with an integrated neural processing unit aimed at more compute‑intensive, ultra‑low‑power edge AI workloads across healthcare, industrial, and consumer devices.
BlackRock, Inc. reports beneficial ownership of 1,264,792 shares of AMBIQ MICRO INC common stock, representing 5.3% of the class as disclosed on June 30, 2026. BlackRock has sole voting power over 1,244,288 shares and sole dispositive power over all 1,264,792 shares, with no shared voting or dispositive power.
The filing notes that various underlying clients and investors have rights to receive dividends or sale proceeds from these shares, but no single client has an interest exceeding five percent of AMBIQ MICRO INC’s total outstanding common shares. The position is reported on a consolidated basis for specified BlackRock business units.
Ambiq Micro is offering 2,000,000 shares of its common stock. The prospectus prices the offering at $78.00 per share for an aggregate public offering price of $156,000,000, with proceeds to Ambiq of $146,640,000 before expenses. The underwriters may purchase up to an additional 300,000 shares and expect to deliver the shares on or about June 25, 2026.
Shares outstanding were 21,359,204 as of March 31, 2026, as stated in the prospectus. The offering is described on the prospectus cover filed pursuant to Rule 424(b)(4).
Ambiq Micro, Inc. is conducting a primary public offering of 1,800,000 shares of common stock, with underwriters having an option for up to 270,000 additional shares. The stock trades on the NYSE under the symbol AMBQ.
Ambiq designs ultra-low power semiconductor systems-on-chip and software for edge artificial intelligence, targeting wearables, healthcare, industrial edge, and smart home devices. Its SPOT platform aims to cut power consumption by two to five times versus traditional designs, and its products power over 300 million devices.
For 2025, Ambiq generated net sales of $72.5 million and recorded a net loss of $36.5 million, following $76.1 million in net sales and a $39.7 million net loss in 2024. For the three months ended March 31, 2026, net sales were $25.1 million with a net loss of $10.2 million.
As of March 31, 2026, Ambiq reported $204.5 million in cash and cash equivalents and total stockholders’ equity of $235.2 million. The company highlights significant customer concentration, ongoing net losses, exposure to semiconductor cyclicality, and evolving AI regulation as key risks. Ambiq is an emerging growth and smaller reporting company and expects to continue investing heavily in research and development to expand its edge AI product portfolio and markets.
Ambiq Micro, Inc. director HSIEH Wen Hsuan reported an equity award and updated holdings. The filing shows a grant of 4,957 restricted stock units, each representing one share of common stock, which will vest in three equal annual installments tied to continued board service. The director also reports indirect ownership of 633,920 common shares through Matter Venture Partners Fund I, L.P., over which he exercises sole voting and dispositive control.
Chen Timothy reported acquisition or exercise transactions in this Form 4 filing.
Ambiq Micro, Inc. director Timothy Chen reported a grant of 4,957 restricted stock units, each representing one share of common stock. These RSUs vest in three equal annual installments based on either grant anniversaries or upcoming annual stockholder meetings, subject to his continuous service, bringing his direct holdings to 52,575 shares.
Banks Bernard Bennett reported acquisition or exercise transactions in this Form 4 filing.
Ambiq Micro, Inc. director Bernard Bennett Banks received an equity grant in the form of restricted stock units. The award covers 4,957 shares of common stock at no purchase price and represents a compensation-related grant rather than an open-market transaction.
The RSUs vest in three equal annual installments after the grant date. Each installment vests on the earlier of the first, second, and third anniversaries of the grant date or the company’s corresponding first three annual stockholder meetings, subject to the director’s continuous service under Ambiq Micro’s 2025 Equity Incentive Plan.
TAUTGES JOSEPH A reported acquisition or exercise transactions in this Form 4 filing.
Ambiq Micro, Inc. director Joseph A. Tautges received an equity award in the form of 4,957 restricted stock units, each representing one share of common stock. The RSUs vest in three equal annual installments tied to future anniversaries of the grant date or annual stockholder meetings, subject to his continuous service under the company’s 2025 Equity Incentive Plan. Following this grant, he directly holds 53,703 shares of Ambiq Micro common stock.
ZHANG KER reported acquisition or exercise transactions in this Form 4 filing.
Ambiq Micro, Inc. director Ker Zhang received a grant of 4,957 restricted stock units, representing a right to receive the same number of common shares at no cost. These RSUs vest in three equal annual installments tied to future anniversaries or annual stockholder meetings, subject to his continued board service under the company’s 2025 Equity Incentive Plan. Following this equity award, Zhang holds 28,766 shares of common stock directly.