Ambarella Inc (AMBA)
Quote, stock score, analyst consensus, and SEC filings, plus insider and Congress trades when there are any.
NasdaqGS · Price as of · Nasdaq Real Time Price
- Profitability6/20
Losing money but improving: $-57.7M over the last four reported quarters versus $-79.6M the year before.
- Insider buying vs selling11/20
Insiders are sellers only: 14 sells worth $4.6M, no open-market buys, across the last 20 Form 4s. Routine executive selling is common, so this is only a mild negative. Separately, 3 new 5%+ stake disclosures (13D/13G) hit in the last 6 months, which is big-money accumulation.
- Dilution and offerings6/15
Share count up 3.4% in a year. Real dilution.
- Analysts11
- Implied upside+33.6%
- Target range$65.00 to $120.00
- EPS expected$0.31 +16%
- A year ago$0.27
- Revenue expected$119.8M +10%
- Estimate range$0.28 to $0.34
AMBA closed at $67.12 on Oct 27, down 2.3% since Sep 28. Chart read: price below both the 50-day and 200-day moving averages; the 50-day is below the 200-day (downtrend structure); trading at 39% of the 52-week range ($48.65 to $95.51).
Insider buying and selling at Ambarella Inc (AMBA)
The most recent Form 4 on record for Ambarella Inc (AMBA) is July 1, 2026, when Feng-Ming Wang, CEO, sold $1.5M of stock. That sale ran under a pre-arranged 10b5-1 plan, so it was scheduled ahead of time rather than decided that week.
| Insider | Action | Value | Date | Type |
|---|---|---|---|---|
| Feng-Ming Wang · CEO | Sell | $1.5M | July 1, 2026 | Routine |
| Feng-Ming Wang · CEO | Sell | $3.0M | May 26, 2026 | Routine |
| Feng-Ming Wang · CEO | Sell | $1.4M | March 17, 2026 | No decision |
| Feng-Ming Wang · CEO | Sell | $3.0M | March 2, 2026 | Routine |
| Chi-Hong Ju · Senior VP, Systems & GM, Asia | Sell | $909,483 | October 13, 2025 | Worth a look |
Filed notices to sell
A Form 144 is filed beforean insider sells restricted stock. The Form 4 reporting the completed trade isn't due until two business days after the sale, so these land first. They are intentions, not transactions.
| Insider | Value | Filed | Status | Type |
|---|---|---|---|---|
| PAISLEY CHRISTOPHER B · Director | $17,690 | September 25, 2026 | Not yet reported | Routine |
| Young John Alexander · Officer | $126,861 | September 18, 2026 | Executed | Routine |
SEC filings
| Form | Filed | Description |
|---|---|---|
| 4 | September 28, 2026 | PRIMARY DOCUMENT |
| 144 | September 25, 2026 | View on EDGAR |
| 4 | September 21, 2026 | PRIMARY DOCUMENT |
| 4 | September 18, 2026 | PRIMARY DOCUMENT |
| 4 | September 18, 2026 | PRIMARY DOCUMENT |
| 4 | September 18, 2026 | PRIMARY DOCUMENT |
| 4 | September 18, 2026 | PRIMARY DOCUMENT |
| 144 | September 18, 2026 | View on EDGAR |
Ambarella news
All 13 articles
Articles that mention Ambarella without it being the main subject.
AI stock battle week 10: Grok retakes the lead on the last day as five AIs gain (September 26, 2026)
Grok retook first place from DeepSeek on Friday as five of the six AI-run portfolios gained. Claude sold UiPath the same day Meta AI bought it, at the same price.
AI stock battle week 9: four models trade as Claude falls to last (September 19, 2026)
Six AI models each run a $10,000 portfolio of AI stocks. Four of them traded this Saturday and put $10,404.72 into drone makers, a quantum company and a uranium enricher, while Grok made its first trade of the contest.
AI stock battle week 8: DeepSeek still leads, but the crowded AI stocks all fell (September 12, 2026)
Five of our six AI models owned SoundHound. It closed lower in all four sessions. Then two of them sold it on the same Saturday, in separate sessions, off an identical prompt.
Frequently asked questions
When does AMBA report earnings?
Ambarella Inc (AMBA) is scheduled to report quarterly results on December 1, 2026 (estimated). The 12-analyst consensus is $0.31 per share on revenue of $119.8M for the quarter ending October 31, 2026, against $0.27 and $108.5M a year earlier. It has beaten the consensus EPS estimate in all four of the last four quarters. The date is an estimate from past reporting patterns and can move until the company confirms it.
What do analysts expect for AMBA?
11 analysts cover Ambarella Inc (AMBA). The consensus rating is Buy. The average price target is $87.55, in a range of $65.00 to $120.00.
Are insiders buying or selling AMBA?
We track Form 4 filings for Ambarella Inc (AMBA). The activity listed on this page shows 5 qualifying sales. Each row is labelled Routine when the filer declared a pre-arranged 10b5-1 plan, Tax withholding when shares were sold automatically to cover the tax on a vest, or Own call when neither applies.
Where can I see AMBA SEC filings?
Recent filings are listed on this page, newest first. The latest is a 4 filed September 28, 2026.