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.
Chen Yun-Lung reported acquisition or exercise transactions in this Form 4 filing.
Ambarella Inc. VP Yun-Lung Chen reported equity awards and a performance-based vesting, with no open-market buying or selling. Chen received 2,849 fully vested restricted stock units as payment of his annual bonus under Ambarella’s Fiscal Year 2026 Annual Bonus Plan.
A separate performance-based RSU award granted on April 3, 2023 vested into 4,651 Ordinary Shares after the company’s total stockholder return and revenue growth from February 1, 2023 through January 31, 2026 met the target level, resulting in 100% of the target RSU number vesting. Following these transactions, Chen directly holds 76,371 Ordinary Shares.
Ambarella Inc. Chief Operations Officer W. Chan Lee reported several equity compensation-related moves. On March 17, 2026, performance stock units for 13,678 Ordinary Shares vested at 100% of the target level and were converted into shares, with 6,729 of those shares sold at $52.77 each to cover tax obligations. On March 18, 2026, Lee received a fully vested award of 7,320 restricted stock units as payment of the fiscal 2026 annual bonus. On March 19, 2026, Lee sold 3,641 Ordinary Shares in an open-market transaction at $54.14 per share. After these transactions, Lee directly held 160,049 Ordinary Shares, including 154 shares acquired under the employee stock purchase plan.
Ambarella Inc. executive Ju Chi-Hong reported a mix of stock awards, vesting, and modest share sales. On March 17, 2026, performance stock units covering 9,553 Ordinary Shares vested at 100% of the target level based on total stockholder return and revenue growth over a specified period, and were converted into Ordinary Shares. That same day, 4,729 Ordinary Shares were sold at $52.77 per share, with a footnote stating shares were sold to pay tax obligations from restricted stock unit vesting. On March 18, 2026, he received 5,930 fully vested restricted stock units as payment of his Fiscal Year 2026 annual bonus, each representing one Ordinary Share. On March 19, 2026, he sold 2,155 Ordinary Shares at $54.14 per share in open-market transactions. Following these transactions, Ju Chi-Hong holds 167,941 Ordinary Shares directly and 8,000 shares indirectly through a foundation, indicating the sales represent a small portion of his overall position.
Ambarella CEO Feng-Ming Wang reported a mix of equity award activity and share sales. On March 17, 2026, he exercised 27,598 Performance Stock Units, receiving the same number of Ordinary Shares, then sold 18,976 Ordinary Shares at $52.77 per share. A footnote explains these shares were sold to cover tax obligations from restricted stock unit vesting.
On March 18, 2026, he received a fully vested bonus award of 15,686 restricted stock units, each convertible into one Ordinary Share. On March 19, 2026, he sold an additional 8,083 Ordinary Shares at $54.14 per share in an open-market transaction. Following these transactions, Wang directly holds 838,561 Ordinary Shares.
Young John Alexander reported acquisition or exercise transactions in this Form 4 filing.
Ambarella CFO John Alexander Young reported equity awards tied to company performance and service. He was granted 15,201 Performance Stock Units at a stated price of $0.00 per unit, and his direct holdings of Ordinary Shares increased by 15,201 shares to a total of 117,939 shares.
Footnotes explain that one award of restricted stock units vests at a rate of 1/12 per quarter starting on March 15, 2026, with each unit representing one ordinary share. A separate performance-based RSU grant is scheduled to vest on March 15, 2029, with the final number of shares adjustable between 0% and 150% of the target amount based on total shareholder return and revenue growth from February 1, 2026 through January 31, 2029, subject to continued service.
Chen Yun-Lung reported acquisition or exercise transactions in this Form 4 filing.
Ambarella Inc executive Yun-Lung Chen, VP of Business Development, reported an equity award made on March 2, 2026. He received 7,220 performance stock units and a corresponding grant of 7,220 ordinary shares at a price of $0.00 per share, bringing his direct holdings to 68,871 ordinary shares.
The restricted stock units vest at a rate of 1/12 per quarter starting March 15, 2026, while the performance-based RSUs are scheduled to vest on March 15, 2029, subject to continued service. The number of shares ultimately earned can range from 0% to 150% of the target amount, based on Ambarella’s total shareholder return and revenue growth from February 1, 2026 through January 31, 2029.
Lee Chan W reported acquisition or exercise transactions in this Form 4 filing.
Ambarella, Inc. reported that Chief Operations Officer Lee Chan W received equity awards on March 2, 2026. He was granted 24,701 performance stock units and a related right to receive 24,701 ordinary shares at no cost, subject to vesting and performance conditions.
The restricted stock units vest at a rate of 1/12 per quarter starting on March 15, 2026, with each unit representing one ordinary share. A separate performance-based RSU award is scheduled to vest on March 15, 2029, and the actual shares earned may range from 0% to 150% of the target amount based on Ambarella’s total shareholder return and revenue growth between February 1, 2026 and January 31, 2029.
Ambarella Inc. executive Ju Chi-Hong reported new equity awards. On March 2, 2026, he acquired 17,329 Performance Stock Units at a stated price of $0.00 per unit, increasing his derivative holdings of these awards to 17,329 units.
He also acquired 17,329 Ordinary Shares at $0.00 per share, bringing his directly held Ordinary Shares to 159,188. An additional 8,000 Ordinary Shares are held indirectly by a foundation. Footnotes state that one RSU award vests 1/12 per quarter starting March 15, 2026, while a performance-based RSU grant is scheduled to vest on March 15, 2029, with the final share count adjustable between 0% and 150% of a target number based on total shareholder return and revenue growth from February 1, 2026 through January 31, 2029.
Ambarella, Inc. director and CEO Feng-Ming Wang reported multiple equity transactions on March 2, 2026. He exercised a non-qualified stock option for 50,000 Ordinary Shares at $41.36 per share and then sold a total of 50,000 Ordinary Shares in several open-market trades under a Rule 10b5-1 trading plan, at weighted average prices ranging from about $56.79 to $62.2199 per share. He also received a grant of 53,203 Performance Stock Units and a matching 53,203-share Ordinary Share award that vest over time and are tied to the company’s total shareholder return and revenue growth from February 1, 2026 through January 31, 2029. Following these transactions, Wang directly owned 822,182 Ordinary Shares.
Ambarella Inc director Gregory M. Bryant received an equity award linked to 2,457 ordinary shares as a grant or other acquisition. According to the terms, these restricted stock units will vest in three equal installments on March 15, 2026, June 15, 2026, and September 15, 2026, becoming fully vested by September 15, 2026.