Filing Details

Accession Number:
0001280263-17-000021
Form Type:
4
Zero Holdings:
No
Publication Time:
2017-03-17 18:11:50
Reporting Period:
2017-03-16
Filing Date:
2017-03-17
Accepted Time:
2017-03-17 18:11:50
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1280263 Ambarella Inc AMBA Semiconductors & Related Devices (3674) 980459628
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1558686 Feng-Ming Wang 3101 Jay Street
Santa Clara CA 95054
Ceo Yes Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Ordinary Shares Acquisiton 2017-03-16 10,500 $0.00 283,233 No 4 M Direct
Ordinary Shares Disposition 2017-03-16 7,971 $56.19 275,262 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Ordinary Shares Restricted Stock Units Disposition 2017-03-16 5,250 $0.00 5,250 $0.00
Ordinary Shares Restricted Stock Units Disposition 2017-03-16 5,250 $0.00 5,250 $0.00
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
10,500 2023-08-27 No 4 M Direct
31,500 2024-09-07 No 4 M Direct
Footnotes
  1. Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.
  2. Includes 181 shares acquired under the Company's employee stock purchase plan on March 15, 2017.
  3. Shares sold to pay tax obligations resulting from the vesting of restricted stock awards and restricted stock units.
  4. The restricted stock units vest at the rate of 1/16 per quarter beginning on September 15, 2013.
  5. The restricted stock units vest at the rate of 1/16 per quarter beginning on September 15, 2014.