| Accession Number: | 0001280263-19-000128 |
| Date: | 2019-12-17 |
| Issuer: | AMBARELLA INC (AMBA) |
| Original Submission Date: |
MENG TERESA H
3101 JAY STREET
SANTA CLARA, CA 95054
| Title of Security | Transaction Date | 2a. Deemed Execution Date | Transaction Code | Shares | Acquired or Disposed | Price per share | 5. Amount of Securities Beneficially Owned Following Reported Transaction | 6. Ownership Form Direct or Indirect | Nature of Indirect Ownership |
|---|---|---|---|---|---|---|---|---|---|
| ORDINARY SHARES | 2019-12-17 | M | 857 | a | $0.00 | 4,793 | direct | ||
| ORDINARY SHARES | 2019-12-18 | S | 429 | d | $56.70 | 4,364 | direct |
| Title of Derivative Security | Conversion or Exercise Price of Derivative Security | Transaction Date | Deemed Execution Date | Transaction Code | Number of Derivative Securities Acquired (A) or Disposed of (D) | Date Exercisable | Expiration Date | Title and Amount of Securities Underlying Derivative Security | Price of Derivative Security | Number of derivative Securities Beneficially Owned Following Reported Transaction(s) | Ownership Form: Direct (D) or Indirect (I) | Nature of Indirect Beneficial Ownership |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RESTRICTED STOCK UNITS | 0.0 | 2019-12-17 | deemed execution date | M | 857 (d) | 2020-09-15 | ordinary shares 857 | $0.00 | 2,574 | direct |
| ID | footnote |
|---|---|
| f1 | each restricted stock unit represents a contingent right to receive one share of ambarella, inc. ordinary shares. |
| f2 | the sales reported on this form 4 were effected pursuant to a rule 10b5-1 trading plan adopted on september 27, 2019. |
| f3 | the restricted stock units will vest as to 1/4th of the restricted stock units each three months following the vesting start date of september 15, 2019, so as to be 100% vested on september 15, 2020. |
