AMBA
Bearish signal
Factor checklist — research, not advice
A check leans with a bullish reading. A cross leans against it. A dash is unavailable or mixed.
- Insider Pulls against a bullish reading. Selling cluster — sale value, no purchase value
- Congress Supports a bullish reading. 2 purchase disclosures year to date
- Financial indicators Unavailable or mixed. Current ratio 2.31 · operating margin -21% — readings disagree
- Narrative Pulls against a bullish reading. Stored narrative reading is in the bearish band
- Timing Unavailable or mixed. Weekly bias is flat
VENTE TOTALE: 6 086 titres (~394 555,38 $ US)
- Insiders
- Wang Feng-Ming
- Total bought
-
—
Avg buy (VWAP, 90d window) —
- Total sold
-
$394,555
Avg sell (VWAP, 90d window) $80.03 vs last close $72.68 (-9.2%)
- Last activity
- 2026-09-17
- Liquidity
- Liquid $151,156,550/day · 20d vol
- Last synced
-
2026-09-25 21:10:05
Sign in to request a sync of this company's price history and timing levels.
Insider holdings as a share of total assets aren't available for this company.
Avg buy and avg sell are volume-weighted prices (sum of shares × price, divided by shares) for Form 4 rows in this 90-day window that report both figures. A comparison with last close is market context for that average, not advice.
Recent Form 4
Filings in the 90-day window for this company. Value is shares × price from the filing. Research, not advice.
| Date | Person | Side | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|
| 2026-09-18 | Young John Alexander | Sell | 1,896 | $67.28 | $127,563 | Form 4 |
| 2026-09-17 | Ju Chi-Hong | Sell | 2,009 | $64.83 | $130,243 | Form 4 |
| 2026-09-17 | Lee Chan W | Sell | 2,893 | $64.83 | $187,553 | Form 4 |
| 2026-09-17 | Wang Feng-Ming | Sell | 6,086 | $64.83 | $394,555 | Form 4 |
| 2026-09-17 | Young John Alexander | Sell | 3,126 | $64.83 | $202,659 | Form 4 |
| 2026-07-09 | Chen Yun-Lung | Sell | 5,958 | $78.66 | $468,656 | Form 4 |
| 2026-07-01 | Ju Chi-Hong | Sell | 10,000 | $88.84 | $888,400 | Form 4 |
| 2026-07-01 | Wang Feng-Ming | Sell | 16,250 | $90.08 | $1,463,800 | Form 4 |
| 2026-06-26 | PAISLEY CHRISTOPHER B | Sell | 250 | $62.01 | $15,502 | Form 4 |
Price (1 year)
Live chart from TradingView — independent market data, as price context around the filings, not the Quorum score. EMA 50/200 and Bollinger load by default. When the exchange is known it is sent as EXCHANGE:SYMBOL; otherwise TradingView resolves the ticker best-effort.
Market snapshot
Signal
Bearish signalScored 2026-09-22
AMBA presents a solid liquidity position (score 85) with an improving operational trajectory, but the weak catalyst score (25) driven by a cluster of insider selling — including the CEO — sharply undermines near-term…
The first sentence of the analysis written for AMBA on 2026-09-22 - a real excerpt, not a sample. The rest of it, the 0-100 score and the rating it produced are part of Plus. See plans.
Financial ratios
| Metric | Trend | 2026-01-31 | 2025-01-31 | 2024-01-31 | 2023-01-31 | 2022-01-31 |
|---|---|---|---|---|---|---|
| Gross Profit Margin | 58.0% | 58.8% | 60.4% | 61.9% | 62.7% | |
| Ebit Margin | -18.9% | -41.3% | -65.6% | -21.0% | -8.6% | |
| Ebitda Margin | -12.3% | -32.2% | -54.6% | -15.1% | -4.4% | |
| Operating Profit Margin | -21.1% | -44.4% | -68.2% | -22.0% | -8.9% | |
| Pretax Profit Margin | -18.9% | -41.3% | -65.6% | -21.0% | -8.6% | |
| Continuous Operations Profit Margin | -19.4% | -41.1% | -74.8% | -19.4% | -8.0% | |
| Net Profit Margin | -19.4% | -41.1% | -74.8% | -19.4% | -8.0% | |
| Bottom Line Profit Margin | -19.4% | -41.1% | -74.8% | -19.4% | -8.0% | |
| Current Ratio | 2.306 | 2.649 | 3.376 | 3.650 | 2.988 | |
| Quick Ratio | 2.012 | 2.365 | 3.026 | 3.165 | 2.481 | |
| Solvency Ratio | -0.247 | -0.714 | -1.479 | -0.437 | -0.112 | |
| Cash Ratio | 1.073 | 1.195 | 1.746 | 1.360 | 1.916 | |
| Price To Earnings Ratio | -35.978 | -27.014 | -12.367 | -52.847 | -194.653 | |
| Price To Earnings Growth Ratio | 0.964 | 0.814 | -0.082 | -0.388 | 3.348 | |
| Forward Price To Earnings Growth Ratio | 0.964 | 0.814 | -0.082 | -0.388 | 3.348 | |
| Price To Earnings Diluted Ratio | -35.978 | -27.014 | -12.367 | -52.847 | -194.653 | |
| Price To Earnings Diluted Growth Ratio | 0.964 | 0.814 | -0.082 | -0.388 | 3.348 | |
| Price To Book Ratio | 4.598 | 5.644 | 3.744 | 5.687 | 9.369 | |
| Price To Sales Ratio | 7.000 | 11.124 | 9.255 | 10.209 | 15.447 | |
| Price To Free Cash Flow Ratio | 47.147 | 135.101 | 297.436 | 118.676 | 176.064 | |
| Price To Operating Cash Flow Ratio | 37.198 | 93.651 | 110.178 | 78.166 | 132.138 | |
| Debt To Assets Ratio | 0.017 | 0.008 | 0.008 | 0.012 | 0.018 | |
| Debt To Equity Ratio | 0.023 | 0.009 | 0.010 | 0.014 | 0.021 | |
| Debt To Capital Ratio | 0.022 | 0.009 | 0.009 | 0.014 | 0.021 | |
| Long Term Debt To Capital Ratio | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | |
| Financial Leverage Ratio | 1.343 | 1.227 | 1.175 | 1.172 | 1.202 | |
| Working Capital Turnover Ratio | 1.809 | 1.436 | 1.083 | 1.694 | 1.105 | |
| Operating Cash Flow Ratio | 0.413 | 0.280 | 0.229 | 0.528 | 0.435 | |
| Operating Cash Flow Sales Ratio | 0.188 | 0.119 | 0.084 | 0.131 | 0.117 | |
| Free Cash Flow Operating Cash Flow Ratio | 0.789 | 0.693 | 0.370 | 0.659 | 0.751 | |
| Debt Service Coverage Ratio | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | |
| Interest Coverage Ratio | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | |
| Short Term Operating Cash Flow Coverage Ratio | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | |
| Operating Cash Flow Coverage Ratio | 5.472 | 6.427 | 3.563 | 5.106 | 3.312 | |
| Capital Expenditure Coverage Ratio | 4.739 | 3.259 | 1.588 | 2.930 | 4.008 | |
| Dividend Paid And Capex Coverage Ratio | 4.739 | 3.259 | 1.588 | 2.930 | 4.008 | |
| Dividend Payout Ratio | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | |
| Enterprise Value Multiple | -53.159 | -33.048 | -15.814 | -65.518 | -339.412 |
Sparkline shows each ratio oldest → newest (left → right).
How the latest year compares
For each ratio: its most recent value, the change versus one year earlier, and versus its 5-year average. ▲ higher ▼ lower
| Metric | Current | vs 1Y ago | vs 5Y avg |
|---|---|---|---|
| Gross Profit Margin | 58.0% | ▼-0.9% | ▼-2.4% |
| Ebit Margin | -18.9% | ▲22.5% | ▲12.2% |
| Ebitda Margin | -12.3% | ▲19.9% | ▲11.4% |
| Operating Profit Margin | -21.1% | ▲23.3% | ▲11.8% |
| Pretax Profit Margin | -18.9% | ▲22.5% | ▲12.2% |
| Continuous Operations Profit Margin | -19.4% | ▲21.7% | ▲13.1% |
| Net Profit Margin | -19.4% | ▲21.7% | ▲13.1% |
| Bottom Line Profit Margin | -19.4% | ▲21.7% | ▲13.1% |
| Current Ratio | 2.306 | ▼-0.344 | ▼-0.688 |
| Quick Ratio | 2.012 | ▼-0.353 | ▼-0.598 |
| Solvency Ratio | -0.247 | ▲0.467 | ▲0.351 |
| Cash Ratio | 1.073 | ▼-0.122 | ▼-0.385 |
| Price To Earnings Ratio | -35.977 | ▼-8.963 | ▲28.594 |
| Price To Earnings Growth Ratio | 0.964 | ▲0.150 | ▲0.033 |
| Forward Price To Earnings Growth Ratio | 0.964 | ▲0.150 | ▲0.033 |
| Price To Earnings Diluted Ratio | -35.977 | ▼-8.963 | ▲28.594 |
| Price To Earnings Diluted Growth Ratio | 0.964 | ▲0.150 | ▲0.033 |
| Price To Book Ratio | 4.598 | ▼-1.046 | ▼-1.210 |
| Price To Sales Ratio | 7.000 | ▼-4.124 | ▼-3.607 |
| Price To Free Cash Flow Ratio | 47.147 | ▼-87.953 | ▼-107.737 |
| Price To Operating Cash Flow Ratio | 37.198 | ▼-56.453 | ▼-53.068 |
| Debt To Assets Ratio | 0.017 | ▲0.009 | ▲0.004 |
| Debt To Equity Ratio | 0.023 | ▲0.013 | ▲0.007 |
| Debt To Capital Ratio | 0.022 | ▲0.013 | ▲0.007 |
| Long Term Debt To Capital Ratio | 0.000 | 0.000 | 0.000 |
| Financial Leverage Ratio | 1.343 | ▲0.116 | ▲0.119 |
| Working Capital Turnover Ratio | 1.809 | ▲0.373 | ▲0.384 |
| Operating Cash Flow Ratio | 0.413 | ▲0.134 | ▲0.036 |
| Operating Cash Flow Sales Ratio | 0.188 | ▲0.069 | ▲0.060 |
| Free Cash Flow Operating Cash Flow Ratio | 0.789 | ▲0.096 | ▲0.137 |
| Debt Service Coverage Ratio | 0.000 | 0.000 | 0.000 |
| Interest Coverage Ratio | 0.000 | 0.000 | 0.000 |
| Short Term Operating Cash Flow Coverage Ratio | 0.000 | 0.000 | 0.000 |
| Operating Cash Flow Coverage Ratio | 5.472 | ▼-0.954 | ▲0.696 |
| Capital Expenditure Coverage Ratio | 4.739 | ▲1.480 | ▲1.434 |
| Dividend Paid And Capex Coverage Ratio | 4.739 | ▲1.480 | ▲1.434 |
| Dividend Payout Ratio | 0.000 | 0.000 | 0.000 |
| Enterprise Value Multiple | -53.159 | ▼-20.111 | ▲48.231 |
Key metrics
| Metric | Trend | 2026 | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|---|
| Market cap | $2.73B | $3.17B | $2.10B | $3.45B | $5.13B | |
| Enterprise value | $2.56B | $3.03B | $1.96B | $3.34B | $4.97B | |
| EV / Sales | 6.54x | 10.63x | 8.64x | 9.90x | 14.97x | |
| EV / Op. cash flow | 34.78x | 89.53x | 102.84x | 75.79x | 128.03x | |
| EV / Free cash flow | 44.09x | 129.16x | 277.63x | 115.06x | 170.59x | |
| EV / EBITDA | -53.16x | -33.05x | -15.81x | -65.52x | -339.41x | |
| Net debt / EBITDA | 3.69x | 1.52x | 1.13x | 2.06x | 10.89x | |
| Current ratio | 2.31x | 2.65x | 3.38x | 3.65x | 2.99x | |
| Income quality | -0.97x | -0.29x | -0.11x | -0.67x | -1.47x | |
| Graham net-net | $4 | $4 | $4 | $4 | $3 | |
| Tax burden | 102.9% | 99.5% | 114.1% | 92.2% | 92.2% | |
| Interest burden | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | |
| Working capital | $232.3M | $199.6M | $197.2M | $221.2M | $177.5M | |
| Invested capital | $617.7M | $564.7M | $571.6M | $603.4M | $548.7M | |
| Return on assets | -9.5% | -17.0% | -25.8% | -9.2% | -4.0% | |
| Operating ROA | -11.1% | -18.8% | -22.6% | -10.9% | -4.8% | |
| Return on tangible assets | -17.4% | -34.6% | -56.7% | -18.8% | -8.6% | |
| Return on equity | -12.8% | -20.9% | -30.3% | -10.8% | -4.8% | |
| Return on invested capital | -13.3% | -22.1% | -26.7% | -10.9% | -4.8% | |
| Return on capital employed | -13.3% | -22.3% | -26.9% | -11.8% | -5.2% | |
| Earnings yield | -2.8% | -3.7% | -8.1% | -1.9% | -0.5% | |
| Free cash flow yield | 2.1% | 0.7% | 0.3% | 0.8% | 0.6% | |
| Capex / Op. cash flow | 21.1% | 30.7% | 63.0% | 34.1% | 24.9% | |
| Capex / Depreciation | 60.6% | 39.8% | 48.3% | 75.5% | 69.1% | |
| Capex / Sales | 4.0% | 3.6% | 5.3% | 4.5% | 2.9% | |
| SG&A / Sales | 18.0% | 23.9% | 33.7% | 23.2% | 21.2% | |
| R&D / Sales | 61.0% | 79.4% | 95.0% | 60.7% | 50.4% | |
| Stock comp / Sales | 25.1% | 37.8% | 49.2% | 32.9% | 26.5% | |
| Intangibles / Total assets | 45.3% | 50.9% | 54.6% | 51.0% | 53.2% | |
| Days sales outstanding | 37d | 38d | 40d | 56d | 49d | |
| Days payables outstanding | 120d | 68d | 116d | 51d | 92d | |
| Operating cycle | 153d | 145d | 158d | 171d | 182d | |
| Cash conversion cycle | 33d | 78d | 42d | 120d | 90d |
Change by theme
Grouped by what each metric measures. Each figure is the change over the period shown — ▲ up ▼ down versus then.
Change over 1 year
Valuation
Market cap ▼-13.7%EV / Sales ▼-38.5%EV / EBITDA ▼-60.9%EV / Op. cash flow ▼-54.750Earnings yield ▲+0.009
Profitability
Return on equity ▲+0.081Return on assets ▲+0.075Return on invested capital ▲+0.088Return on capital employed ▲+0.090Operating ROA ▲+0.077Income quality ▼-0.680Tax burden ▲+0.035
Efficiency
Days sales outstanding ▼-1.538Days payables outstanding ▲+52.280Operating cycle ▲+7.386Cash conversion cycle ▼-44.895Capex / Sales ▲+0.003R&D / Sales ▼-0.183
Balance-sheet strength
Current ratio ▼-0.344Net debt / EBITDA ▲+2.171Working capital ▲+32774000.000Invested capital ▲+52940000.000Intangibles / Total assets ▼-0.056
Change over 5 years
Valuation
Market cap ▼-46.7%EV / Sales ▼-56.3%EV / EBITDA ▲+84.3%EV / Op. cash flow ▼-93.248Earnings yield ▼-0.023
Profitability
Return on equity ▼-0.079Return on assets ▼-0.055Return on invested capital ▼-0.085Return on capital employed ▼-0.081Operating ROA ▼-0.063Income quality ▲+0.500Tax burden ▲+0.107
Efficiency
Days sales outstanding ▼-12.130Days payables outstanding ▲+28.120Operating cycle ▼-29.419Cash conversion cycle ▼-57.538Capex / Sales ▲+0.011R&D / Sales ▲+0.106
Balance-sheet strength
Current ratio ▼-0.682Net debt / EBITDA ▼-7.196Working capital ▲+54867000.000Invested capital ▲+69021000.000Intangibles / Total assets ▼-0.079
Employee count
Peer market caps
Congressional trades
STOCK Act disclosures (90-day window)
Amounts are STOCK Act brackets as disclosed. Quorum does not turn a bracket into an exact price or a midpoint.
No STOCK Act disclosures for this company in this window.
Recent trades
| Date | Representative | Type | Amount |
|---|---|---|---|
| 2019-06-24 | Donna Shalala | Sale (Full) | $1,001 - $15,000 |
| 2019-05-15 | Donna Shalala | Purchase | $1,001 - $15,000 |
| 2019-04-16 | Donna Shalala | Purchase | $1,001 - $15,000 |
Recent news
- 2026-09-21 Ambarella CEO Disposes of Over 6,000 Shares Worth Nearly $400,000 The transaction involved 6,086 shares with an estimated value of ~$395,000 on September 17, 2026. The sale represented 0.79% of the executive''s direct equity position held prior to the filing.
- 2026-09-20 Chi-Hong Ju Sells 2,009 Shares of Ambarella (NASDAQ:AMBA) Stock Ambarella, Inc. (NASDAQ: AMBA - Get Free Report) VP Chi-Hong Ju sold 2,009 shares of the stock in a transaction on Thursday, September 17th. The stock was sold at an average price of $64.83, for a total value of $130,243.47. Following the sale, the vice president owned 154,153 shares of the company''s stock, valued at approximately
- 2026-09-20 Chan Lee Sells 2,893 Shares of Ambarella (NASDAQ:AMBA) Stock Ambarella, Inc. (NASDAQ: AMBA - Get Free Report) insider Chan Lee sold 2,893 shares of the company''s stock in a transaction that occurred on Thursday, September 17th. The stock was sold at an average price of $64.83, for a total value of $187,553.19. Following the transaction, the insider directly owned 154,443 shares in the company, valued
- 2026-09-20 John Alexander Young Sells 3,126 Shares of Ambarella (NASDAQ:AMBA) Stock Ambarella, Inc. (NASDAQ: AMBA - Get Free Report) CFO John Young sold 3,126 shares of the business''s stock in a transaction that occurred on Thursday, September 17th. The shares were sold at an average price of $64.83, for a total value of $202,658.58. Following the transaction, the chief financial officer owned 109,702 shares of the company''s
- 2026-09-15 Ambarella and Ultralytics Collaborate to Bring Ultralytics YOLO Models to CVflow-Powered Edge Devices SANTA CLARA, Calif. and LONDON, Sept.
- 2026-09-15 Ambarella Expands its Developer Zone with Remote Access to Live Silicon and Agentic AI Development on Google Cloud Platform New capabilities built on Google Cloud Platform and Gemini Enterprise give developers a cloud-hosted IDE and remote access to live Ambarella silicon Recent collaborations add models from leading providers including Ultralytics An integration with ZEDEDA enables deploying and managing AI workloads across distributed device fleets SANTA CLARA, Calif., Sept. 15, 2026 (GLOBE NEWSWIRE) -- Ambarella, Inc. (NASDAQ: AMBA), an edge AI semiconductor company, today announced a significant expansion of the Ambarella Developer Zone ("DevZone"), adding a cloud-hosted integrated development environment (IDE), secure access to cloud-connected fleets of Ambarella SoC-based devices and agentic AI development capabilities powered by Gemini Enterprise, all delivered on Google Cloud Platform (GCP).
- 2026-09-15 Ambarella and ZEDEDA Partner to Bring Cloud-Orchestrated AI to Billions of Devices at the Physical Edge ZEDEDA Edge Intelligence Platform now runs on Ambarella''s edge AI SoCs, letting enterprises deploy, secure and operate AI models on power-efficient silicon from a single control plane Joint demonstrations with Roboflow and Liquid AI debut at the AI Infrastructure Summit 2026 SAN JOSE, Calif. and SANTA CLARA, Calif.
- 2026-09-15 Ambarella Launches X7, Its First Standalone AI Accelerator, to Add Physical AI to Any Host Processor New edge AI accelerator brings Ambarella''s third-generation CVflow® engine to Arm and x86 host systems Leading OEMs in several key verticals are currently creating designs with X7 SANTA CLARA, Calif., Sept. 15, 2026 (GLOBE NEWSWIRE) -- Ambarella, Inc. (NASDAQ: AMBA), an edge AI semiconductor company, today announced the X7 edge AI accelerator, its first dedicated CVflow® AI accelerator chip.
- 2026-09-14 Ambarella: Physical AI''s Hidden Efficiency Winner Ambarella''s Q2 revenue rose 13.2% YoY to $108.1 million, while Q3 guidance implies approximately 10.5% sequential growth. Management expanded its FY2032 addressable market to $22.9 billion as robotics and edge infrastructure broaden AMBA''s opportunity. Memory scarcity could favor Ambarella''s low-power architecture as customers reconsider GPU-heavy designs because of rising system costs.
- 2026-09-13 Ambarella CEO Sees Edge AI Growth Across Security, Autos and Wearables Ambarella NASDAQ: AMBA Chief Executive Officer Fermi Wang said the fabless semiconductor company is positioning its system-on-chip portfolio for broader adoption of edge artificial intelligence, with opportunities spanning enterprise security, consumer video, wearables, automotive and edge infrastructure.