Wang Feng-Ming — SEC Form 4 filings
SEC reporting owner CIK 1558686. 19 Form 4 filings on record with FilingPulse; latest filed 2026-09-18.
Transaction summary — filings shown
Covers all 19 filings on record, filed 2024-03-04 to 2026-09-18. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 25 legs across 17 filings — 211,077 shares, $13,989,788 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 20.
- Largest priced transaction: sale of 32,460 shares @ $60.91 ($1,977,226) in AMBARELLA INC, filed 2026-03-04.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| AMBARELLA INC (AMBA) | CEO, Director | 19 | — | 25 legs · 211,077 sh · $13,989,788 | 20 |
Form 4 filings — Wang Feng-Ming
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-18 | 4 | AMBARELLA INC (AMBA) | Sale (S): 6,086 @ $64.83 | EDGAR |
| 2026-07-02 | 4 | AMBARELLA INC (AMBA) | Sale (S): 16,250 @ $90.08 | EDGAR |
| 2026-06-18 | 4 | AMBARELLA INC (AMBA) | Sale (S): 6,204 @ $67.87 · Gift (G): 10,000 @ $0 | EDGAR |
| 2026-05-28 | 4 | AMBARELLA INC (AMBA) | Sale (S): 17,285 @ $90.38 · Sale (S): 6,065 @ $91.23 · Sale (S): 9,150 @ $92.05 | EDGAR |
| 2026-03-19 | 4 | AMBARELLA INC (AMBA) | Option exercise (M): 27,598 · Sale (S): 18,976 @ $52.77 · Grant/award (A): 15,686 @ $0 · Sale (S): 8,083 @ $54.14 · Option exercise (M): 27,598 (derivative) @ $0 | EDGAR |
| 2026-03-04 | 4 | AMBARELLA INC (AMBA) | Option exercise (M): 50,000 @ $41.36 · Sale (S): 1,000 @ $56.83 · Sale (S): 1,900 @ $58.77 · Sale (S): 2,600 @ $59.53 · Sale (S): 32,460 @ $60.91 · Sale (S): 12,040 @ $61.42 · +3 more | EDGAR |
| 2025-12-19 | 4 | AMBARELLA INC (AMBA) | Sale (S): 4,950 @ $71.82 · Gift (G): 15,000 @ $0 | EDGAR |
| 2025-09-19 | 4 | AMBARELLA INC (AMBA) | Sale (S): 4,928 @ $79.43 | EDGAR |
| 2025-06-20 | 4 | AMBARELLA INC (AMBA) | Sale (S): 4,677 @ $52.26 | EDGAR |
| 2025-03-20 | 4 | AMBARELLA INC (AMBA) | Sale (S): 3,194 @ $55.02 | EDGAR |
| 2025-03-07 | 4 | AMBARELLA INC (AMBA) | Grant/award (A): 39,120 @ $0 · Grant/award (A): 11,024 @ $0 · Sale (S): 4,104 @ $55.11 · Grant/award (A): 39,120 (derivative) @ $0 | EDGAR |
| 2024-12-18 | 4 | AMBARELLA INC (AMBA) | Sale (S): 4,296 @ $75.41 | EDGAR |
| 2024-10-09 | 4 | AMBARELLA INC (AMBA) | Gift (G): 40,000 @ $0 | EDGAR |
| 2024-09-19 | 4 | AMBARELLA INC (AMBA) | Sale (S): 4,301 @ $53.54 | EDGAR |
| 2024-09-06 | 4 | AMBARELLA INC (AMBA) | Option exercise (M): 4,382 @ $38.92 · Sale (S): 4,382 @ $56.02 · Option exercise (M): 31,618 @ $38.92 · Sale (S): 31,618 @ $54.71 · Option exercise (M): 4,382 (derivative) @ $0 · Option exercise (M): 31,618 (derivative) @ $0 | EDGAR |
| 2024-06-20 | 4 | AMBARELLA INC (AMBA) | Sale (S): 3,058 @ $55.48 | EDGAR |
| 2024-03-20 | 4 | AMBARELLA INC (AMBA) | Sale (S): 2,173 @ $49.27 | EDGAR |
| 2024-03-11 | 4 | AMBARELLA INC (AMBA) | Grant/award (A): 3,396 @ $0 · Sale (S): 1,297 @ $57.16 | EDGAR |
| 2024-03-04 | 4 | AMBARELLA INC (AMBA) | Grant/award (A): 45,929 @ $0 · Grant/award (A): 45,929 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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