Welcome to our dedicated page for Ambarella SEC filings (Ticker: AMBA), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Ambarella, Inc. (NASDAQ: AMBA) SEC filings page on Stock Titan aggregates the company’s regulatory disclosures from the U.S. Securities and Exchange Commission, alongside AI-powered tools to help interpret them. Ambarella describes itself in these filings as a Cayman Islands company whose ordinary shares trade on the Nasdaq Global Select Market under the symbol AMBA, and as an edge AI semiconductor company focused on low-power systems-on-chip (SoCs) for edge AI and human vision applications.
Key filings for Ambarella include its annual reports on Form 10-K and quarterly reports on Form 10-Q, which provide detailed information on its business, risk factors, financial statements and edge AI strategy. Current reports on Form 8-K document material events such as the release of quarterly financial results and certain management changes. For example, recent 8-K filings reference the announcement of fiscal 2026 quarterly results and the voluntary resignation of the company’s Chief Technology Officer from that role and from the board, with a transition to a part-time Chief Technology Advisor position.
These filings also describe Ambarella’s use of non-GAAP financial measures, including non-GAAP gross margin and non-GAAP net income or loss, and provide reconciliations to the closest GAAP metrics. Risk disclosures in the filings discuss factors that could affect Ambarella’s performance, such as global economic conditions, customer adoption of products incorporating its SoCs, competition and the company’s ability to develop and monetize advanced AI and computer vision technologies.
On Stock Titan, investors can review Ambarella’s 10-K and 10-Q reports, 8-K current reports and related exhibits, with AI-generated summaries that highlight important sections and explain complex terminology. The platform also surfaces new filings in near real time as they appear on EDGAR, helping users track changes in Ambarella’s financial condition, governance and edge AI business disclosures without reading every page manually.
Ambarella, Inc. insider transaction: Chi-Hong Ju, Senior VP, Systems & GM, Asia, reported selling 3,765 ordinary shares of Ambarella Inc. on 12/30/2025. The sale, coded as an "S" transaction, was executed at a weighted average price of $70.32 per share, with individual trades occurring in a price range from $70.24 to $70.43 per share. After this sale, the reporting person beneficially owns 153,767 ordinary shares directly.
In addition, the filing shows 8,000 ordinary shares held indirectly by a foundation. The reporter has indicated willingness to provide detailed breakdowns of the number of shares sold at each price within the disclosed range to the Commission staff, the issuer, or any security holder upon request.
Ambarella Inc. director reports small share sale
A director of Ambarella Inc., Elizabeth M. Schwarting, reported selling 624 ordinary shares of the company on 12/16/2025. The sale was reported at a price of $72.3771 per share. After this transaction, she directly beneficially owns 6,690 Ambarella shares. The filing is made on behalf of one reporting person and reflects a routine insider transaction by a company director.
Ambarella Inc. director reports share transfer to family trust
A director of Ambarella Inc. reported an internal transfer of 2,531 ordinary shares on 12/15/2025 using transaction code G, which indicates a gift or similar transfer. The filing shows 2,531 shares disposed of at a stated price of $0.0 from the director’s direct holdings and the same 2,531 shares acquired by a family trust. After the transaction, the director holds 2,498 ordinary shares directly and 25,812 ordinary shares indirectly through the family trust. The director states that beneficial ownership of the trust shares is disclaimed except to the extent of any pecuniary interest.
Ambarella, Inc. reported that it has released a press release detailing its financial results for the third quarter of fiscal year 2026, which ended on October 31, 2025. The press release is provided as Exhibit 99.1 and is incorporated by reference for those results.
The company also announced that Leslie Kohn has voluntarily resigned, effective immediately, from his roles as a member of the Board of Directors and as Chief Technology Officer for strictly personal reasons. He will remain with Ambarella in a part-time role as Chief Technology Advisor, where he will continue to provide direction on the company’s technology strategy and product roadmap.
Ambarella (AMBA): Insider transaction disclosed. Senior VP, Systems & GM, Asia, Chi-Hong Ju reported open‑market sales of company stock on two dates. He sold 5,057 shares at $81.2919 on 10/13/2025 and 6,156 shares at $80.96 on 10/14/2025. Following these transactions, he beneficially owned 158,874 shares directly. He also reports 8,000 shares held indirectly by a foundation.
Elizabeth M. Schwarting, a director of Ambarella Inc. (AMBA), reported a sale of 2,664 ordinary shares on 10/06/2025 at a weighted average price of $85.3772 per share (range $85.25 to $85.38). After the transaction she beneficially owned 7,314 shares, held directly. The Form 4 was filed indicating the sale was executed on 10/06/2025 and the filing was signed by an attorney‑in‑fact on 10/08/2025. The filing does not state a 10b5‑1 plan or provide reasons for the sale.
Ambarella, Inc. filed a Form 144 notifying a proposed sale of 2,664 common shares with an aggregate market value of $227,444.59. The shares are scheduled for sale approximately on 10/06/2025 on NASDAQ. The filing lists six restricted‑stock grants from the issuer dated between 12/15/2020 and 09/15/2025 that together total the 2,664 shares to be sold, and shows no securities sold by the reporting person in the past three months. The notice includes the standard representation that the seller is not aware of undisclosed material adverse information about the issuer.
Form 144 notice for AMBARELLA INC (AMBA): An officer/insider intends to sell 1,000 common shares on 09/22/2025 via Morgan Stanley Smith Barney LLC, with an aggregate market value listed at $89,000. The 1,000 shares were acquired as performance shares on 03/15/2021 and paid for on that date. The filing also discloses prior insider sales in the past three months totaling 6,869 shares for gross proceeds of $525,974.75 across five transactions dated 07/14/2025 through 09/19/2025. The filer certifies no undisclosed material adverse information. The table lists the broker, planned sale date, and securities exchange (NASDAQ).
John A. Young, who serves as an officer and director at Ambarella, reported a small sale and updated holdings. He disposed of 2,566 ordinary shares on 09/17/2025 at a price of $79.43 per share; the filing explains those shares were sold to pay tax obligations arising from the vesting of restricted stock units. After that transaction and recent activity, he beneficially owns 109,108 ordinary shares, which the filer notes includes 223 shares acquired under the company’s employee stock purchase plan on 09/15/2025. The Form 4 was signed by an attorney-in-fact on behalf of Mr. Young.
Chan W. Lee, Chief Operating Officer of Ambarella, reported a sale of 1,947 ordinary shares on 09/17/2025 at a price of $79.43 per share to cover tax obligations arising from the vesting of restricted stock units. After the sale, Mr. Lee beneficially owns 126,972 shares, which includes 223 shares acquired under the company's employee stock purchase plan on 09/15/2025. The Form 4 was filed as a single reporting person filing and bears a signature by an attorney-in-fact on 09/19/2025.