AMBARELLA INC (AMBA) is a publicly traded company in the Unknown sector. Across all available filings, 21 corporate insiders have executed 1027 transactions totaling $140.3M, demonstrating a bearish sentiment with -$138.3M in net insider flow. The most recent transaction on Jan 5, 2026 involved a sale of 7,728 shares valued at $584.1K.
No significant insider buying has been recorded for AMBA in the recent period.
No significant insider selling has been recorded for AMBA in the recent period.
Based on recent SEC filings, insider sentiment for AMBA is bearish with an Insider Alignment Score of 1/100 and a net flow of -$138.3M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at AMBARELLA INC (AMBA) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 21 insiders are actively trading AMBA stock, having executed 1027 transactions in the past 90 days. The most active insider is Feng-ming Wang (Executive), who has made 105 transactions totaling $38.5M.
Get notified when executives and directors at AMBA file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Jan 5, 2026 | Ju Chi-hong | Senior VP, Systems & GM, Asia | Sale | 7,728 | $75.58 | $584.1K | Large |
| Dec 30, 2025 | Ju Chi-hong | Executive | Sale | 3,765 | $70.32 | $264.8K | |
| Dec 26, 2025 | B. Paisley Christopher | Executive | Sale | 500 | $72.18 | $36.1K | |
| Dec 19, 2025 | Wang Feng-ming | Executive | Gift | 15,000 | $N/A | $0 | |
| Dec 18, 2025 | Alexander Young John | Executive | Sale | 3,791 | $72.96 | $276.6K | |
| Dec 17, 2025 | Wang Feng-ming | Executive | Sale | 4,950 | $71.82 | $355.5K | |
| Dec 17, 2025 | Ju Chi-hong | Executive | Sale | 1,342 | $71.82 | $96.4K | |
| Dec 17, 2025 | W. Lee Chan | Executive | Sale | 2,406 | $71.82 | $172.8K | |
| Dec 17, 2025 | Alexander Young John | Executive | Sale | 2,579 | $71.82 | $185.2K | |
| Dec 16, 2025 | M. Schwarting Elizabeth | Executive | Sale | 624 | $72.38 | $45.2K | |
| Dec 15, 2025 | Jeffrey Richardson David | Executive | Gift | 2,531 | $N/A | $0 | |
| Dec 15, 2025 | Jeffrey Richardson David | Executive | Gift | 2,531 | $N/A | $0 | |
| Oct 14, 2025 | Ju Chi-hong | Executive | Sale | 6,156 | $80.96 | $498.4K | |
| Oct 13, 2025 | Ju Chi-hong | Executive | Sale | 5,057 | $81.29 | $411.1K | |
| Oct 6, 2025 | M. Schwarting Elizabeth | Executive | Sale | 2,664 | $85.38 | $227.5K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 472 | $139.3M | 93.9% |
Exercise(M) | 458 | $8.0M | 5.4% |
Purchase(P) | 1 | $1.0M | 0.7% |
Gift(G) | 19 | $0 | 0.0% |
Award(A) | 77 | $0 | 0.0% |
Insider selling pressure at AMBARELLA INC has increased, with 21 insiders executing 1027 transactions across all time. Total sales of $139.3M significantly outpace purchases of $1.0M, resulting in a net outflow of $138.3M. This selling activity appears largely discretionary, which may warrant closer attention from investors.