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.
Leslie Kohn, Chief Technology Officer and Director of Ambarella (AMBA), reported a sale of 1,715 ordinary shares on June 17, 2025, at a price of $52.26 per share. The transaction was specifically executed to cover tax obligations arising from the vesting of restricted stock units.
Following the reported transaction, Kohn maintains direct beneficial ownership of 979,677 shares of Ambarella. This Form 4 filing indicates the executive continues to hold a significant equity position in the company despite the tax-related sale.
- Transaction was executed under tax obligation requirements, not discretionary selling
- Kohn serves dual roles as both CTO and Director
- Filing was completed through attorney-in-fact Michael Morehead on June 20, 2025
- No derivative securities were involved in this transaction
Ambarella, Inc. (symbol AMBA) has filed a Form 4 detailing a minor insider transaction by Senior Vice President, Systems, Chi-Hong Ju. On 06/17/2025 the executive sold 1,108 ordinary shares of AMBA at $52.26 per share, for gross proceeds of roughly $57.9 thousand. A single explanatory note states the shares were sold strictly to cover tax withholding obligations associated with the vesting of restricted stock units (RSUs).
After completing the sale, Mr. Ju still directly owns 171,032 ordinary shares and indirectly holds 8,000 additional shares through a foundation, leaving more than 99 % of his prior direct stake intact. The filing shows no derivative security activity and no indication that the trade occurred under a Rule 10b5-1 plan.
The sale represents less than 1 % of Mr. Ju’s direct holdings and appears routine. No operational, strategic, or earnings-related information is provided in this document, and there are no indications of broader insider sentiment shifts.
Ambarella, Inc. (AMBA) – Form 4 insider transaction
CEO and Director Feng-Ming Wang reported a sale of 4,677 ordinary shares on 06/17/2025, coded “S” for disposal. The shares were sold at $52.26 each, implying proceeds of roughly $0.24 million. The filing notes that the shares were "sold to pay tax obligations resulting from the vesting of restricted stock units", indicating a routine tax-withholding sale rather than a discretionary liquidation.
Following the transaction, Wang’s direct ownership stands at 793,634 shares, meaning the sale reduced his stake by less than 1%. No derivative transactions or additional equity awards were reported in Table II. The filing was signed by an attorney-in-fact on 06/20/2025 and reflects a single-person filing.
From an investment-impact standpoint, the transaction is small relative to Wang’s remaining holdings and does not, by itself, signal a strategic shift or fundamental change at Ambarella. Nevertheless, investors often monitor Form 4 filings for sentiment cues; repeated or larger-scale sales could draw more attention, but this isolated, tax-related sale is likely immaterial to the company’s valuation.