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.
Ambarella, Inc. filings document regulatory disclosures for a Nasdaq-listed edge AI semiconductor company organized in the Cayman Islands, with ordinary shares trading under AMBA. Recent Form 8-K reports cover quarterly and annual results releases, exhibit filings, and material events tied to the company’s public reporting obligations.
The filing record also includes governance and compensation disclosures, including board appointments, director and officer changes, annual bonus plan approvals, executive compensation targets, and related committee actions. These documents provide formal records of Ambarella’s operating-result announcements, securities registration details, board structure, and executive compensation governance.
Feng-Ming Wang filed a Form 144 reporting a proposed sale of 32,500 Restricted Stock Units originally dated 06/15/2015. The filing also discloses recent open-market sales: 8,083 shares on 03/19/2026 for $437,613.62, 18,976 shares on 03/17/2026 for $1,001,363.52, and 50,000 shares on 03/02/2026 for $3,040,035.00.
The broker listed is Morgan Stanley Smith Barney LLC. One of the transactions is labeled a 10b5-1 sale. The filing provides sale quantities, dates, and gross proceeds; timing and any remaining holdings are not stated in the excerpt.
AMBA files a Form 144 disclosing proposed sale of 400 shares of Common Stock on 05/26/2026 via an exercise of stock options with cash considered the payment method. The filing also lists prior 10b5-1 sales by John A. Young: 1,971, 3,038, and 4,577 shares on 04/21/2026, 03/19/2026, and 03/17/2026, respectively.
Ambarella, Inc. is asking shareholders to vote at its June 26, 2026 annual meeting on four key items: electing three Class II directors, ratifying PricewaterhouseCoopers LLP as auditor, approving executive compensation on an advisory basis, and amending and restating the 2021 Equity Incentive Plan.
Shareholders of record on May 5, 2026, when 43,861,484 ordinary shares were outstanding, may vote in person or by proxy. The board is currently eight members, with a combined Chair/CEO structure, a lead independent director, fully independent key committees, and stock ownership and clawback policies. Non‑employee directors receive cash retainers and equity awards, including annual RSUs of about $200,000 in value, and the company highlights workforce diversity, a 7.7% voluntary turnover rate in fiscal 2026, and its focus on edge AI growth.
Vanguard Portfolio Management reported beneficial ownership of 3,752,800 shares of Ambarella Inc. common stock, representing 8.57% of the class. The filing states Vanguard has sole dispositive power over 3,752,800 shares and sole voting power over 35,937 shares. The schedule is signed on 04/28/2026.
Ambarella Inc's CFO John Alexander Young sold 1,971 Ordinary Shares in an open-market transaction at $60.00 per share. After this sale, he directly holds 117,623 Ordinary Shares. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan adopted on January 15, 2026, indicating it was scheduled in advance rather than timed discretionarily.
Rule 144 notice filed reporting restricted stock unit sales. The filing lists Restricted Stock Units dated 03/15/2026 and identifies two reported dispositions by John Young: 3,038 shares sold on 03/19/2026 for $164,477.32 and 4,577 shares sold on 03/17/2026 for $241,528.29. The filing header shows a submission date of 04/21/2026.
Ambarella Inc — Schedule 13G/A amendment: The Vanguard Group reports 0 shares beneficially owned of Ambarella Inc common stock, representing 0% of the class. The filing states this follows an internal realignment and the disaggregation of certain Vanguard subsidiaries in accordance with SEC Release No. 34-39538.
Ambarella, Inc. files its annual report describing a fabless semiconductor business focused on low-power AI system-on-a-chip solutions for edge and physical AI applications. Its chips power security cameras, automotive ADAS and autonomy systems, robotics and other IoT devices using its proprietary CVflow architecture and radar software.
The company manufactures primarily on advanced 10 nm, 5 nm and 4 nm nodes and has taped out its first 2 nm design, relying mainly on Samsung and outsourced assembly and test. As of January 31, 2026, it had 959 employees, about 75% in research and development, and generated roughly 88% of revenue from customers in Asia.
Ambarella highlights competitive strengths in high-performance, low-power AI and video processing, deep sensor fusion for cameras and 4D radar, and a scalable software platform and developer ecosystem to help OEMs and ODMs deploy AI-enabled products across IoT, automotive and emerging robotics markets. It also discloses a high customer concentration, with WT Microelectronics handling around 70% of total revenue.
Ambarella CFO John Alexander Young reported several equity transactions involving the company’s Ordinary Shares. On March 18, 2026, he received 5,560 fully vested restricted stock units as payment of his Fiscal Year 2026 annual bonus, each convertible into one Ordinary Share.
On March 17, 2026, a performance-based RSU award granted in April 2023 vested at 100% of its target, leading to the conversion of 3,556 Performance Stock Units into Ordinary Shares. That same day, he sold 4,577 Ordinary Shares at $52.77 per share to cover tax obligations from RSU vesting.
On March 19, 2026, he executed an additional open-market sale of 3,038 Ordinary Shares at $54.14 per share. After these transactions, he directly owns 119,594 Ordinary Shares, including 154 shares acquired under the company’s employee stock purchase plan.