David Allen Stamler - 15 Apr 2026 Form 3 Insider Report for ALTERITY THERAPEUTICS LTD (ATHE)

Reporting relationship
Chief Executive Officer, Director
Issuer ticker
ATHE
Reported as of
15 Apr 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 3 source fields
SEC form
3
Accepted by SEC
15 Apr 2026, 19:49:37 UTC
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
David Allen Stamler

Key filing fact

David Allen Stamler filed Form 3 for ALTERITY THERAPEUTICS LTD (ATHE) on 15 Apr 2026.

Key facts

  • This page summarizes David Allen Stamler's Form 3 filing for ALTERITY THERAPEUTICS LTD (ATHE).
  • 0 reported transactions and 4 derivative rows are listed below.
  • Accepted by SEC: 15 Apr 2026, 19:49.

Change

  • No earlier filing in this sequence is available for direct comparison.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0002130205 Primary reporting owner

Stamler David Allen

Relationship
Chief Executive Officer, Director
Address
39899 BALENTINE DRIVE, NEWARK
Signature
David Allen Stamler
Signature date
15 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ATHE holding

Ordinary shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
11,688,312
Date
15 Apr 2026
Ownership
Direct
ATHE holding

American Depositary Shares (1:600 ordinary shares)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
139,258
Date
15 Apr 2026
Ownership
HSBC Custody Nominees (Australia) Limited

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ATHE holding Derivative

Listed option exp 26 Feb 2027

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
15 Apr 2026
Ownership
Direct
Underlying class
Ordinary shares
Underlying amount
1,515,152
Exercise price
$0.0280
ATHE holding Derivative

Listed option exp 31 August 2026

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
15 Apr 2026
Ownership
Direct
Underlying class
Ordinary shares
Underlying amount
2,380,952
Exercise price
$0.0100
ATHE holding Derivative

Unlisted option exp 21 March 2029

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
15 Apr 2026
Ownership
Direct
Underlying class
Ordinary shares
Underlying amount
40,000,200
Exercise price
$0.003000
ATHE holding Derivative

Unlisted option exp 8 August 2030

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
15 Apr 2026
Ownership
Direct
Underlying class
Ordinary shares
Underlying amount
290,400,000
Exercise price
$0.008600
* marks a reported price that did not pass the local price check.
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