ATHE 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 August 2025
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, 333-248980and 333-228671) and ourRegistration 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 regarding unquoted 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/ Geoffrey P. Kempler |
| Geoffrey P. Kempler | |
| Chairman |
Date: August 15, 2025
2
Exhibit 99.1
| Appendix 3G - Notification of issue, conversion or payment up of unquoted<br>equity securities |
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Announcement Summary
Entity name
ALTERITY THERAPEUTICS LIMITED
Date of this announcement
Friday August 15, 2025
The +securities the subject of this notification are:
+Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX
Total number of +securities to be issued/transferred
| ASX +security code | Security description | Total number of +securities to be issued/transferred | Issue date |
|---|---|---|---|
| New class - code to be confirmed | Unlisted options expiring 8 August 2030, ex US$0.0086 | 312,400,200 | 15/08/2025 |
Refer to next page for full details of the announcement
| Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities | 1/7 |
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| Appendix 3G - Notification of issue, conversion or payment up of unquoted<br>equity securities | |
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Part 1 - Entity and announcement details
1.1 Name of entity
ALTERITY THERAPEUTICS LIMITED
We (the entity named above) give notice of the issue, conversion or payment up of the following unquoted +securities.
| 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
15/8/2025
| Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities | 2/7 |
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| Appendix 3G - Notification of issue, conversion or payment up of unquoted<br>equity securities | |
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Part 2 - Issue details
2.1 The +securities the subject of this notification are:
+Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX
2.2a****This notification is given in relation to an issue of +securities in a class which is not quoted on ASX and which:
does not have an existing ASX security code ("new class")
| Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities | 3/7 |
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| Appendix 3G - Notification of issue, conversion or payment up of unquoted<br>equity securities | |
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Part 3C - number and type of +securities the subject of this notification (new class)
| ASX +security code | +Security description |
|---|---|
| New class - code to be confirmed | Unlisted options expiring 8 August 2030, ex US$0.0086 |
| +Security type | ISIN code |
| Options |
Date the +securities the subject of this notification were issued
15/8/2025
Will all the +securities issued in this class rank equally in all respects from their issue date?
Yes
Were any of the +securities issued to +key management personnel (KMP) or an +associate?
Yes
Provide details of the KMP or +associates being issued +securities.
| Name of KMP | Name of registered holder | Number of +securities |
|---|---|---|
| David Stamler | David Stamler | 290,400,000 |
Have you received confirmation from ASX that the terms of the +securities are appropriate and equitable under listing rule 6.1?
No
Please provide a URL link for a document lodged with ASX settingout the material terms of the +securities being issued.
Options Details
| +Security currency | Exercise price | Expiry date |
|---|---|---|
| USD - US Dollar | USD 0.00860000 | 8/8/2030 |
Details of the existing class of +security that will be issued upon exercise or conversion of this new class of company option
ATH : ORDINARY FULLY PAID
Please provide a URL link for a document lodged with ASX detailing the terms of the +employee incentivescheme or a summary of the terms
| https://app.sharelinktechnologies.com/announcement/asx/786790b2c52e5b04b80c6d18bc2009d4 |
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Any other information the entity wishes to provideabout the +securities the subject of this notification
| Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities | 4/7 |
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| Appendix 3G - Notification of issue, conversion or payment up of unquoted<br>equity securities | |
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Issue details
Number of +securities
312,400,200
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| Appendix 3G - Notification of issue, conversion or payment up of unquoted<br>equity securities | |
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Part 4 - +Securities on issue
Following the issue, conversion or payment up of the +securities the subject of this notification, the +securities of the entity will comprise:
The figures in parts 4.1 and 4.2 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.
4.1 Quoted +securities (Total number of each +class of +securities issued and quoted on ASX)
| ASX +security code and description | Total number of +securities on issue |
|---|---|
| ATH : ORDINARY FULLY PAID | 9,207,465,724 |
| ATHO : OPTION EXPIRING 31-AUG-2026 | 932,516,031 |
| ATHOA : OPTION EXPIRING 26-FEB-2027 | 1,222,300,911 |
4.2 Unquoted +securities (Total number of each +class of +securities issued but not quoted on ASX)
| ASX +security code and description | Total number of +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 |
| ATHAD : OPTION EXPIRING 01-JUL-2030 EX $0.01 | 15,000,000 |
| ATHAAB : OPTION EXPIRING 17-SEP-2025 EX $0.09 | 35,000,000 |
| 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 US$0.0031 | 62,500,000 |
| ATHAA : OPTION EXPIRING 13-MAR-2029 EX $0.004 | 20,166,667 |
| ATHAC : OPTION EXPIRING 21-MAR-2029 EX US$0.003 | 40,000,200 |
| ATHAAD : OPTION EXPIRING 06-JAN-2026 EX $0.032 | 91,392,720 |
| New class - code to be confirmed : Unlisted options expiring 8 August 2030, ex US$0.0086 | 312,400,200 |
| Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities | 6/7 |
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| Appendix 3G - Notification of issue, conversion or payment up of unquoted<br>equity securities | |
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Part 5 - Other Listing Rule requirements
5.1 Werethe +securities issued under an exception in Listing Rule 7.2 and therefore the issue did not need any security holder approvalunder Listing Rule 7.1?
Yes
5.1****aSelect the number of the applicable exception in Listing Rule 7.2
13
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