Ambiq Micro, Inc. (AMBQ)

Ambiq Micro, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Ambiq Micro, Inc. (AMBQ) is a Semiconductors company based in US with a market capitalization of $1.7B. Revenue declined 4.7% year-over-year and free cash flow was negative at -$21M. This page tracks AMBQ's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 190 employees · IPO Jul 30, 2025

Valuation

Valuation & price

$70.57as of May 17, 2026· -22.0% vs 52w high

P/E ratio

Latest-FY diluted EPS

10.67

P/B ratio

Market cap ÷ book equity

Dividend yield

Price — last 12 months

$90.48$56.95$23.42Jul 25Jan 26Jul 26
$22.7652-week range$90.48
Loading valuation history…

Fundamentals

Key fundamentals

$1.7B

Market cap

-4.7%

Revenue growth (YoY)

35.4%

Gross margin

-$21M

Free cash flow (USD)

-$139.6M

Net debt

Net cash position

-41.1%

Share dilution

1/5

Graham criteria passed

Defensive-investor screen

Technology

Sector

Trajectory

Long-term trends

Revenue by year

20202025

$51M$72.5M

Free cash flow by year

20202025

-$39.2M-$21M

Gross margin by year

20202025

42.3%35.4%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

6

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 12, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventJun 8, 2026Filing

    Annual Meeting Results

  • Insider sellMay 29, 2026Filing

    Insider Sell $5.6MChen Timothy · Director · $5.6M

  • Insider sellMay 18, 2026Filing

    Insider Sell $4.2MEsaka Fumihide · Director, Chief Executive Officer · $4.2M

  • Insider sellMay 18, 2026Filing

    Insider Sell $3.9MChen Sean Chihhsiang · President and COO · $3.9M

  • Insider sellMay 18, 2026Filing

    Insider Sell $706KHanson Scott McLean · Director, Chief Technology Officer · $706.3K

  • Insider sellMay 18, 2026Filing

    Insider Sell $1.8MWinzeler Jeffrey G · Chief Financial Officer · $1.8M

  • 8-K eventMay 12, 2026Filing

    Earnings Release

  • Quarterly reportMay 12, 2026Filing

    10-Q Filed

  • Insider sellApr 6, 2026Filing

    Insider Sell $21KConnors Michele Kim · General Counsel · $21.2K

Questions

Frequently asked questions

What is Ambiq Micro, Inc.'s market cap?

Ambiq Micro, Inc. (AMBQ) has a market capitalization of $1.7B.

What is AMBQ's P/E ratio?

A meaningful P/E ratio is not available for AMBQ — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is AMBQ's price-to-book (P/B) ratio?

AMBQ trades at 10.67 times book value per share.

Are insiders buying AMBQ stock?

SEC Form 4 filings show no open-market insider buys at Ambiq Micro, Inc. in the last 90 days (6 sells).

Same arena

Related companies in Semiconductors

Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

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News

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Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.