6-K
Alterity Therapeutics Ltd (ATHE)
SECURITIESAND EXCHANGE COMMISSION
Washington,D.C. 20549
FORM6-K
REPORTOF FOREIGN PRIVATE ISSUER
PURSUANTTO RULE 13a-16 OR 15d-163
UNDERTHE SECURITIES EXCHANGE ACT OF 1934
Forthe month of January 7, 2026
AlterityTherapeutics Limited
(Name of Registrant)
Level 14, 350 Collins Street,Melbourne, Victoria 3000 Australia
(Address of Principal Executive Office)
Indicateby check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F ☒ Form 40-F ☐
ThisForm 6-K is being incorporated by reference into our Registration Statement on Form S-8 (Files No. 333-251073,333-248980 and 333-228671)and our Registration Statements on Form F-3 (Files No. 333-274816,333-251647, 333-231417and 333-250076)
ALTERITYTHERAPEUTICS LIMITED
(adevelopment stage enterprise)
The following exhibits are submitted:
| 99.1 | Notification of cessation of securities - ATH |
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1
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
| Alterity Therapeutics Limited | |
|---|---|
| By: | /s/ Julian Babarczy |
| Julian Babarczy | |
| Chairman |
Date: January 7, 2026
2
Exhibit 99.1
 |
Appendix 3H - Notification of cessation of securities |
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Announcement Summary
Entity name
ALTERITY THERAPEUTICS LIMITED
Announcement Type
New announcement
Date of this announcement
Wednesday January 07, 2026
Details of +securities that have ceased
| ASX +security code | Security description | Number of +securities that have ceased | The +securities have ceased due to | Date of cessation |
|---|---|---|---|---|
| ATHAAD | OPTION EXPIRING<br><br> 06-JAN-2026 EX $0.032 | 91,392,720 | Expiry of option or other convertible security without exercise or conversion | 06/01/2026 |
Refer to next page for full details of the announcement
| Appendix 3H - Notification of cessation of securities | 1/4 |
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Appendix 3H - Notification of cessation of securities |
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Part 1 - Announcement Details
| 1.1 Name of +Entity | |
|---|---|
| ALTERITY THERAPEUTICS LIMITED | |
| We (the entity named above) provide the following information about<br>our issued capital. | |
| 1.2 Registered Number Type | Registration Number |
| --- | --- |
| ABN | 37080699065 |
| 1.3 ASX issuer code | |
| --- | |
| ATH | |
| 1.4 The announcement is | |
| New announcement | |
| 1.5 Date of this announcement | |
| 7/1/2026 | |
| Appendix 3H - Notification of cessation of securities | 2/4 |
| --- | --- |
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Appendix 3H - Notification of cessation of securities |
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Part 2 - Details of +equity securities or +debt securities that have ceased
| ASX<br> +Security Code and Description | ||
|---|---|---|
| ATHAAD<br> : OPTION EXPIRING 06-JAN-2026 EX $0.032 | ||
| Unquoted<br> +equity securities that have ceased | ||
| Number<br> of securities that have ceased | ||
| 91,392,720 | ||
| Reason for cessation | ||
| Expiry<br> of option or other convertible security without exercise or conversion | ||
| Date of cessation | **** | Is the entity paying any consideration for the cessation? |
| --- | --- | --- |
| 6/1/2026 | No |
Any other information the entity wishes to notify to ASX about the cessation?
| Appendix 3H - Notification of cessation of securities | 3/4 |
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Appendix 3H - Notification of cessation of securities |
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Part 3 - Issued capital following changes
Following the cessation of the +securities the subject of this notification, the issued capital of the entity will comprise:
The figures in parts 3.1 and 3.2 below are automatically generated and may not reflect the entity's current issued capital if other Appendix 2A, Appendix 3G or Appendix 3H forms are currently with ASX for processing.
3.1****Quoted +equity securities and +debt securities (total number of each +class of +securities quoted on ASX)
| Total number of | ||
|---|---|---|
| ASX +security code and description | +securities on issue | |
| ATH : ORDINARY FULLY PAID | 10,875,416,329 | |
| ATHO : OPTION EXPIRING 31-AUG-2026 | 931,232,089 | |
| ATHOA : OPTION EXPIRING 26-FEB-2027 | 1,222,300,911 |
3.2****Unquoted +equity securities (total number of each +class of +equity securities issued but not quoted on ASX)
| Total number of | ||
|---|---|---|
| ASX +security code and description | +securities on issue | |
| ATHAAE : OPTION EXPIRING 29-NOV-2026 EX 0.0375 | 10,000,000 | |
| ATHAAG : OPTION EXPIRING 29-NOV-2026 EX 0.0238 | 11,500,000 | |
| ATHAE : OPTION EXPIRING 08-AUG-2030 EX 0.013 | 11,500,000 | |
| ATHAF : OPTION EXPIRING 08-AUG-2030 EX 0.0086 | 312,400,200 | |
| ATHAD : OPTION EXPIRING 01-JUL-2030 EX 0.01 | 15,000,000 | |
| ATHAAK : OPTION EXPIRING 30-DEC-2027 EX 0.01 | 170,000,000 | |
| ATHAAH : OPTION EXPIRING 19-DEC-2026 EX 0.0105 | 8,000,000 | |
| ATHAB : OPTION EXPIRING 13-MAR-2029 EX US0.0031 | 62,500,000 | |
| ATHAA : OPTION EXPIRING 13-MAR-2029 EX 0.004 | 20,166,667 | |
| ATHAC : OPTION EXPIRING 21-MAR-2029 EX US0.003 | 40,000,200 | |
| ATHAAD : OPTION EXPIRING 06-JAN-2026 EX 0.032 | 0 |
All values are in US Dollars.
Note: the figures stated in the tables above are used to calculate the total market capitalisation of the entity published by ASX from time to time. The table will not include those classes of +securities that have ceased or lapsed in their entirety in ASX records before the announcement date described in Q1.5, even if the entity has advised ASX of a change to that class of +security in Part 2 of this form.
| Appendix 3H - Notification of cessation of securities | 4/4 |
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