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Ownership Document
|
| Schema Version: X0306 |
| Document Type: 4 |
| Period of Report: 6/19/22 |
| Not Subject to Section 16: 0 |
| Issuer: |
| Issuer CIK: 1069308 |
| Issuer Name: Acer Therapeutics Inc. |
| Issuer Trading Symbol: ACER |
| Reporting Owner: |
| Reporting Owner ID: |
| | Owner CIK: 1934603 |
| | Owner Name: Hayden Tanya |
| Reporting Owner Address: |
| | Owner Street 1: 300 WASHINGTON STREET |
| | Owner Street 2: ONE GATEWAY CENTER, SUITE 356 |
| | Owner City: NEWTON |
| | Owner State: MA |
| | Owner ZIP Code: 02458 |
| | Owner State Description: |
| Reporting Owner Relationship: |
| | Is Director? No |
| | Is Officer? Yes |
| | Is Ten Percent Owner? No |
| | Is Other? No |
| | Officer Title: Chief Operating Officer |
| Derivative Table: |
| Derivative Transaction: |
| | Security Title: |
| | | Value: Employee Stock Option (right to buy) |
| | Conversion or Exercise Price: |
| | | Value: 1.76 |
| | Transaction Date: |
| | | Value: 6/19/22 |
| | Deemed Execution Date: |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: A |
| | | Equity Swap Involved? No |
| | Transaction Timeliness: |
| | | Value: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 25,000 |
| | | Transaction Price Per Share: |
| Value: 0.00 |
| | | Transaction Acquired-Disposed Code: |
| Value: A |
| | Exercise Date: |
| | | Footnote ID: F1 |
| | Expiration Date: |
| | | Value: 6/19/32 |
| | Underlying Security: |
| | | Underlying Security Title: |
| Value: Common Stock |
| | | Underlying Security Shares: |
| Value: 25,000 |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 25,000 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Footnotes: |
| Footnote - F1: The option vests and becomes exercisable over four years as follows: 25% of the shares vest on June 19, 2023, and the remaining 75% of the shares vest quartrly over the remaining three years. |
| Remarks: |
| Owner Signature: |
| Signature Name: /s/ Harry S. Palmin, Attorney-in-Fact |
| Signature Date: 6/22/22 |
