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Ownership Document
|
| Schema Version: X0306 |
| Document Type: 4 |
| Period of Report: 1/6/20 |
| Not Subject to Section 16: 0 |
| Issuer: |
| Issuer CIK: 1580808 |
| Issuer Name: A10 Networks, Inc. |
| Issuer Trading Symbol: ATEN |
| Reporting Owner: |
| Reporting Owner ID: |
| | Owner CIK: 1726563 |
| | Owner Name: White Christopher P. |
| Reporting Owner Address: |
| | Owner Street 1: C/O A10 NETWORKS, INC. |
| | Owner Street 2: 2300 ORCHARD PKWY |
| | Owner City: SAN JOSE |
| | Owner State: CA |
| | Owner ZIP Code: 95131 |
| | Owner State Description: |
| Reporting Owner Relationship: |
| | Is Director? No |
| | Is Officer? Yes |
| | Is Ten Percent Owner? No |
| | Is Other? No |
| | Officer Title: EVP, Worldwide Sales |
| Non-Derivative Table: |
| Non-Derivative Transaction: |
| | Security Title: |
| | | Value: Common Stock |
| | Transaction Date: |
| | | Value: 1/6/20 |
| | Deemed Execution Date: |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: S |
| | | Equity Swap Involved? No |
| | Transaction Timeliness: |
| | | Value: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 9,169 |
| Footnote ID: F1 |
| | | Transaction Price Per Share: |
| Value: 6.956 |
| | | Transaction Acquired-Disposed Code: |
| Value: D |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 101,915 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Footnotes: |
| Footnote - F1: Represents the number of shares automatically sold to cover tax withholding obligations in connection with the vesting of restricted stock units. |
| Remarks: |
| Owner Signature: |
| Signature Name: /s/ Robert Cochran, as Attorney-in-Fact |
| Signature Date: 1/8/20 |
