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.
Ambarella Inc. director Christopher B. Paisley sold 250 Ordinary Shares on September 25, 2026, at $70.7600 per share. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted on September 22, 2025. Paisley directly held 43,930 shares following the sale.
Ambarella Inc. director Christopher B. Paisley’s notice reports a proposed sale of 250 common shares, with an aggregate market value of $17,690.00 and an approximate sale date of September 25, 2026. Remarks state that the proposed sale and the prior three-month sale were in the Paisley Living Trust, of which Paisley is a trustee. The trust’s reported June 26, 2026 sale was 250 shares for $15,502.50.
Ambarella Inc (AMBA) reported that its chief financial officer, John Alexander Young, sold 1,896 Ordinary Shares on September 18, 2026 at a price of $67.28 per share. After this transaction, he held 107,806 Ordinary Shares directly. The sale was made under a Rule 10b5-1 trading plan adopted on January 15, 2026.
AMBARELLA INC (AMBA) reported that its CEO and director Feng-Ming Wang sold 6,086 Ordinary Shares on September 17, 2026 in a sale characterized as an open-market or private transaction at a price of $64.83 per share. According to a footnote, these shares were sold to pay tax obligations arising from the vesting of restricted stock units. After this transaction, Wang directly holds 767,759 Ordinary Shares, which includes 238 shares acquired under the company’s employee stock purchase plan on September 15, 2026. No Rule 10b5-1 trading plan is reported for this sale.
AMBARELLA INC (AMBA) reported that Senior VP, Systems & GM Ju Chi-Hong sold 2,009 Ordinary Shares on September 17, 2026 at $64.83 per share in a transaction described as covering tax obligations from the vesting of restricted stock units. Following this sale, he directly holds 154,153 Ordinary Shares, which include 238 shares acquired under the company’s employee stock purchase plan on September 15, 2026. In addition, 8,000 Ordinary Shares are held indirectly by a foundation. No Rule 10b5-1 trading plan is reported for these transactions.
AMBARELLA INC (AMBA) reported that Chief Operations Officer Lee Chan W sold ordinary shares of the company on September 17, 2026. The transaction involved the sale of 2,893 ordinary shares at a price of $64.83 per share, described as shares sold to pay tax obligations arising from the vesting of restricted stock units. Following this transaction, Lee Chan W held 154,443 ordinary shares directly, which includes 238 shares acquired under the company’s employee stock purchase plan on September 15, 2026. No Rule 10b5-1 trading plan is reported for this sale.
AMBARELLA INC (AMBA) reported that its chief financial officer, John Alexander Young, sold 3,126 Ordinary Shares on September 17, 2026 at $64.83 per share. According to the company’s disclosure, the shares were sold to pay tax obligations arising from the vesting of restricted stock units. After this transaction, Young directly holds 109,702 Ordinary Shares, which includes 238 shares acquired under the company’s employee stock purchase plan on September 15, 2026.
AMBARELLA, INC. (AMBA) received a Rule 144 notice from officer John Young covering a proposed sale of 1,896 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services on NASDAQ.
The shares relate to Restricted Stock Units with a date of September 15, 2026, and the notice lists an aggregate market value of $126,861.36. The filing also reports that Young sold 3,126 shares of common stock during the prior three months for $202,669.21.
AMBARELLA INC (symbol: AMBA) is the issuer of record for a Form 4 filing submitted to the SEC. Hu Chenming reported acquisition or exercise transactions in this Form 4 filing.
AMBARELLA INC (AMBA) reported that director Chenming Hu received an annual equity award in the form of 3,151 Ordinary Shares as a restricted stock unit (RSU) grant effective September 8, 2026. Following this grant, Hu directly holds 32,667 Ordinary Shares.
The RSU award vests in four equal installments every three months starting from a vesting start date of September 15, 2026, becoming fully vested on September 15, 2027, subject to Hu’s continued service with the company.
AMBARELLA INC (symbol: AMBA) is the issuer of record for a Form 4 filing submitted to the SEC. Bryant Gregory M reported acquisition or exercise transactions in this Form 4 filing.
Ambarella Inc. (AMBA) reported that director Gregory M. Bryant received an annual equity award in the form of 3,151 Ordinary Shares on September 8, 2026. The restricted stock unit grant vests in four equal installments every three months from September 15, 2026, becoming fully vested on September 15, 2027, subject to his continued service. Following this award, he holds 5,608 Ordinary Shares directly.