Wang Feng-Ming's Form 4 filing
Ambarella Inc (AMBA) · filed Mar 4, 2026
- Accession no.
- 0001280263-26-000022
- Filed
- Mar 4, 2026
- Trade date
- Mar 2, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 7 non-derivative transactions and 2 derivative transactions. Open-market sales total $3.04M. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Wang Feng-MingCIK 0001558686 | Director, Officer (CEO) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Mar 2, 2026 | Ordinary Shares | MOption exerciseAcquired | +50,000 | $41.36 | +$2,068,000 | 818,979 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −1,000 | $56.83F2 | −$56,830 | 817,979 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −1,900 | $58.77F3 | −$111,663 | 816,079 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −2,600 | $59.53F4 | −$154,778 | 813,479 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −32,460 | $60.91F5 | −$1,977,138.6 | 781,019 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −12,040 | $61.42F6 | −$739,496.8 | 768,979 | Direct | |
| Mar 2, 2026 | Ordinary Shares | AGrant or awardAcquired | +53,203 | $0.00 | $0 | 822,182 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Mar 2, 2026 | Ordinary Shares | MOption exerciseDisposed | −50,000 | $0.00 | $0 | 0 | Direct | |
| Mar 2, 2026 | Ordinary Shares | AGrant or awardAcquired | +53,203 | $0.00 | $0 | 53,203 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $56.79 to $$57.7899 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4.
Referenced by the price of 1 transaction in Table I.
- F3
The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $58.16 to $$59.1599 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4.
Referenced by the price of 1 transaction in Table I.
- F4
The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $59.16 to $$60.1599 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4.
Referenced by the price of 1 transaction in Table I.
- F5
The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $60.21 to $$61.2099 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4.
Referenced by the price of 1 transaction in Table I.
- F6
The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $61.22 to $$62.2199 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4.
Referenced by the price of 1 transaction in Table I.