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Ambarella, Inc. (AMBA)

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

Ambarella, Inc. (AMBA) is a Semiconductors company based in US with a market capitalization of $3.2B. Revenue grew 37.1% year-over-year and the company generated $58M in free cash flow. This page tracks AMBA's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 941 employees · IPO Oct 10, 2012

Valuation

Valuation & price

$81.16 · as of May 17, 2026 · -15.0% vs 52w high

—

P/E ratio

Latest-FY diluted EPS

5.40

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$95.51$72.99$50.47Jul 25Dec 25Jul 26Jul 7, 25$65.57Jul 9, 25$68.02Jul 11, 25$66.88Jul 15, 25$66.58Jul 17, 25$70.48Jul 21, 25$69.75Jul 23, 25$67.97Jul 25, 25$67.32Jul 29, 25$68.65Jul 31, 25$66.09Aug 4, 25$64.01Aug 6, 25$62.49Aug 11, 25$64.36Aug 13, 25$69.24Aug 15, 25$66.99Aug 19, 25$66.24Aug 21, 25$66.02Aug 25, 25$70.65Aug 27, 25$71.93Aug 29, 25$82.48Sep 3, 25$79.32Sep 5, 25$82.84Sep 9, 25$84.64Sep 11, 25$83.14Sep 16, 25$79.14Sep 18, 25$82.64Sep 22, 25$88.81Sep 24, 25$84.68Sep 26, 25$83.28Sep 30, 25$82.52Oct 2, 25$86.12Oct 6, 25$85.29Oct 8, 25$85.03Oct 10, 25$72.88Oct 14, 25$81.14Oct 16, 25$84.09Oct 21, 25$83.18Oct 23, 25$83.45Oct 27, 25$86.54Oct 29, 25$86.00Oct 31, 25$85.23Nov 4, 25$81.97Nov 6, 25$90.62Nov 10, 25$94.42Nov 12, 25$95.51Nov 14, 25$87.84Nov 18, 25$83.09Nov 20, 25$83.32Nov 25, 25$90.97Nov 28, 25$74.18Dec 2, 25$71.09Dec 4, 25$71.06Dec 8, 25$76.69Dec 10, 25$79.02Dec 12, 25$75.28Dec 16, 25$71.98Dec 18, 25$70.46Dec 22, 25$72.82Dec 24, 25$71.75Dec 29, 25$70.07Jan 2, 26$75.16Jan 6, 26$80.64Jan 8, 26$70.78Jan 12, 26$68.57Jan 14, 26$64.80Jan 16, 26$68.73Jan 21, 26$68.57Jan 23, 26$67.19Jan 27, 26$66.35Jan 29, 26$65.90Feb 2, 26$62.88Feb 4, 26$60.75Feb 9, 26$65.25Feb 11, 26$66.87Feb 13, 26$66.21Feb 18, 26$65.86Feb 20, 26$68.01Feb 24, 26$71.21Feb 26, 26$70.90Mar 2, 26$61.04Mar 4, 26$56.55Mar 6, 26$52.38Mar 10, 26$54.00Mar 12, 26$52.42Mar 17, 26$52.69Mar 19, 26$55.86Mar 23, 26$54.58Mar 25, 26$54.09Mar 27, 26$50.47Mar 31, 26$51.48Apr 2, 26$50.54Apr 7, 26$50.99Apr 9, 26$53.24Apr 13, 26$54.30Apr 15, 26$57.14Apr 17, 26$58.23Apr 22, 26$61.28Apr 24, 26$66.87Apr 28, 26$63.75Apr 30, 26$68.80May 4, 26$70.72May 6, 26$75.48May 8, 26$76.30May 12, 26$78.19May 14, 26$81.04May 18, 26$78.88May 20, 26$83.00May 22, 26$87.55May 28, 26$91.84Jun 1, 26$75.67Jun 3, 26$73.80Jun 5, 26$63.52Jun 9, 26$65.75Jun 11, 26$65.80Jun 15, 26$70.14Jun 17, 26$65.88Jun 22, 26$70.71Jun 24, 26$62.99Jun 26, 26$62.13Jul 2, 26$78.36
$48.6552-week range$95.51
Loading valuation history…

Fundamentals

Key fundamentals

$3.2B

Market cap

37.1%

Revenue growth (YoY)

59.2%

Gross margin

$58M

Free cash flow (USD)

-$299.1M

Net debt

Net cash position

3.4%

Share dilution

1/5

Graham criteria passed

Defensive-investor screen

Technology

Sector

Trajectory

Long-term trends

Revenue by year

2017 → 2026

FY 2017$310.3MFY 2018$295.4MFY 2019$227.8MFY 2020$228.7MFY 2021$223.0MFY 2022$331.9MFY 2023$337.6MFY 2024$226.5MFY 2025$284.9MFY 2026$390.7M
$310.3M$390.7M

Free cash flow by year

2017 → 2026

FY 2017$110.6MFY 2018$81.7MFY 2019$21.5MFY 2020$37.6MFY 2021$25.9MFY 2022$29.1MFY 2023$29.0MFY 2024$7.0MFY 2025$23.5MFY 2026$58.0M
$110.6M$58M

Gross margin by year

2022 → 2026

FY 202262.7%FY 202361.9%FY 202460.4%FY 202560.5%FY 202659.2%
62.7%59.2%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

11

Insider sells · 90 days

Earnings

Last reported: May 28, 2026 (EPS $0.11)

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider sellInsider Sell $1.5M · 10b5-1 PlanWang Feng-Ming · Director, CEO · $1.5MJul 2, 2026Filing
  • Insider sellInsider Sell $888KJu Chi-Hong · Senior VP, Systems & GM · $888.4KJul 2, 2026Filing
  • 8-K eventEquity Incentive Plan AmendedJul 1, 2026Filing
  • Insider sellInsider Sell $16K · 10b5-1 PlanPAISLEY CHRISTOPHER B · Director · $15.5KJun 30, 2026Filing
  • Insider sellInsider Sell $421KWang Feng-Ming · Director, CEO · $421.1KJun 18, 2026Filing
  • Insider sellInsider Sell $137KJu Chi-Hong · Senior VP, Systems & GM · $136.9KJun 18, 2026Filing
  • Insider sellInsider Sell $200KLee Chan W · Chief Operations Officer · $200.3KJun 18, 2026Filing
  • Insider sellInsider Sell $340K · 10b5-1 PlanYoung John Alexander · CFO · $339.9KJun 18, 2026Filing
  • Insider sellInsider Sell $661KChen Yun-Lung · VP, Business Development and · $660.9KJun 16, 2026Filing
  • Quarterly report10-Q FiledJun 2, 2026Filing

Questions

Frequently asked questions

What is Ambarella, Inc.'s market cap?

Ambarella, Inc. (AMBA) has a market capitalization of $3.2B.

What is AMBA's P/E ratio?

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

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

AMBA trades at 5.40 times book value per share.

When did Ambarella, Inc. last report earnings?

AMBA last reported earnings on May 28, 2026; the next date is not yet scheduled.

Are insiders buying AMBA stock?

SEC Form 4 filings show no open-market insider buys at Ambarella, Inc. in the last 90 days (11 sells).

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Timeline

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

Filing Analyzer

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News

Latest press coverage in one feed

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.