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Ownership Document |
Schema Version: X0306 |
Document Type: 4 |
Period of Report: 1/15/21 |
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: 1789088 |
| | Owner Name: Seibt Matthew |
| Reporting Owner Address: |
| | Owner Street 1: C/O ACER THERAPEUTICS INC. |
| | Owner Street 2: ONE GATEWAY CENTER, SUITE 351 |
| | 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 Commercial Officer |
Derivative Table: |
| Derivative Transaction: |
| | Security Title: |
| | | Value: Employee Stock Option (right to buy) |
| | Conversion or Exercise Price: |
| | | Value: 3.85 |
| | Transaction Date: |
| | | Value: 1/15/21 |
| | Deemed Execution Date: |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: A |
| | | Equity Swap Involved? No |
| | Transaction Timeliness: |
| | | Value: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 20,000 |
| | | Transaction Price Per Share: |
| Value: 0.00 |
| | | Transaction Acquired-Disposed Code: |
| Value: A |
| | Exercise Date: |
| | | Footnote ID: F1 |
| | Expiration Date: |
| | | Value: 1/15/31 |
| | Underlying Security: |
| | | Underlying Security Title: |
| Value: Common Stock |
| | | Underlying Security Shares: |
| Value: 20,000 |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 20,000 |
| | 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 January 15, 2022, and the remaining 75% of the shares vest quarterly over the remaining three years. |
Remarks: |
Owner Signature: |
| Signature Name: /s/ Harry S. Palmin, Attorney-in-Fact |
| Signature Date: 1/19/21 |