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Kazia Therapeutics (KZIA) director details existing ADS option grants

(Neutral)
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Kazia Therapeutics director Ebru Davidson has filed an initial ownership report outlining existing option-based exposure to the company’s American Depositary Shares (ADSs). The filing shows two ADS option positions, each giving the right to buy ADSs at fixed exercise prices before their respective expiration dates.

One ADS option covers 75,000 underlying ADSs at an exercise price of $8.0000 per ADS, expiring on July 3, 2027. Another ADS option covers 2,000 underlying ADSs at an exercise price of $0.3348 per ADS, expiring on April 30, 2027. Footnotes explain that one grant vests in equal quarterly installments over three years beginning April 30, 2024, while another vested 100% on July 3, 2025, in each case conditioned on continued service.

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Insider Davidson Ebru
Role Director
Type Security Shares Price Value
holding American Depositary Share Option (Right to Buy) -- -- --
holding American Depositary Share Option (Right to Buy) -- -- --
Holdings After Transaction: American Depositary Share Option (Right to Buy) — 2,000 shares (Direct)
Footnotes (1)
  1. The American Depositary Shares ("ADSs") subject to the option ("ADS option") vest in equal quarterly installments over three years beginning on April 30, 2024, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. The ADS option was granted on April 30, 2024. Each ADS option is convertible into ADSs upon exercise. Each ADS may be represented by 500 ordinary shares of the Issuer, no par per share (the "Ordinary Shares"), at any time, upon the holder's election to surrender the ADSs and withdraw the respective number of Ordinary Shares. The ADSs have no expiration date. The ADSs subject to the ADS option vested as to 100% on July 3, 2025. The ADS option was granted on July 3, 2025.
ADS options underlying shares 75,000 ADSs Underlying shares for one option grant; exercise price $8.0000
ADS option exercise price $8.0000 per ADS Exercise price for 75,000 underlying ADSs; expires July 3, 2027
Second ADS options underlying shares 2,000 ADSs Underlying shares for second option grant; exercise price $0.3348
Second ADS option exercise price $0.3348 per ADS Exercise price for 2,000 underlying ADSs; expires April 30, 2027
Quarterly vesting schedule start April 30, 2024 Start of three-year equal quarterly vesting for one ADS option
Full vesting date for one grant July 3, 2025 ADSs under one ADS option vested 100% on this date
ADS to ordinary share ratio 1 ADS = 500 ordinary shares Representation of Kazia ordinary shares per ADS; ADSs have no expiration
American Depositary Shares financial
"Each ADS option is convertible into ADSs upon exercise."
American depositary shares (ADSs) are a way for investors in the United States to buy shares of foreign companies without dealing with international markets directly. They represent ownership in a foreign company's stock and are traded on U.S. stock exchanges, making it easier for American investors to buy, sell, and own parts of companies from around the world.
vesting financial
"ADSs subject to the option vest in equal quarterly installments over three years"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
exercise price financial
"conversion_or_exercise_price: "8.0000" and "0.3348" per ADS"
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
expiration date financial
"expiration_date: "2027-07-03" and "2027-04-30" for the ADS options"
The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.
continuous service relationship financial
"subject to the Reporting Person's continuous service relationship with the Issuer"

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FAQ

What does Kazia Therapeutics (KZIA) director Ebru Davidson report on this Form 3?

The Form 3 reports Ebru Davidson’s existing holdings of options over American Depositary Shares of Kazia Therapeutics. It lists two ADS option positions, their exercise prices, expiration dates, and the number of underlying ADSs covered by each option grant.

How many American Depositary Shares are covered by Davidson’s Kazia Therapeutics options?

Davidson’s options cover 75,000 underlying American Depositary Shares under one grant and 2,000 underlying ADSs under another. These figures represent the number of ADSs that could be acquired upon exercising each option position under the terms of the grants.

What are the exercise prices of Ebru Davidson’s Kazia Therapeutics ADS options?

The filing shows exercise prices of $8.0000 per American Depositary Share for one option grant and $0.3348 per ADS for the second grant. These exercise prices define the cost per ADS if Davidson chooses to exercise the corresponding options.

When do Ebru Davidson’s Kazia Therapeutics ADS options expire?

One ADS option position expires on July 3, 2027, and the other expires on April 30, 2027. After those expiration dates, the respective options can no longer be exercised to acquire American Depositary Shares of Kazia Therapeutics.

How do Davidson’s Kazia Therapeutics ADS options vest over time?

One ADS option grant vests in equal quarterly installments over three years beginning April 30, 2024, subject to continuous service. Another grant vested as to 100% on July 3, 2025, meaning all ADSs under that option became exercisable on that vesting date.

What is the relationship between Kazia Therapeutics ADSs and ordinary shares mentioned in the filing?

The filing explains that each American Depositary Share may be represented by 500 ordinary shares of Kazia Therapeutics. Holders can surrender ADSs and withdraw the corresponding number of ordinary shares, and the ADSs themselves have no expiration date.
SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Davidson Ebru

(Last)(First)(Middle)
THREE INTERNATIONAL TOWERS
LEVEL 24, 300 BARANGAROO AVE

(Street)
SYDNEY, NSWAUSTRALIA2000

(City)(State)(Zip)

AUSTRALIA

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026
3. Issuer Name and Ticker or Trading Symbol
KAZIA THERAPEUTICS LTD [ KZIA ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
American Depositary Share Option (Right to Buy) (1)04/30/2027American Depositary Shares(2)2,000$0.3348D
American Depositary Share Option (Right to Buy) (3)07/03/2027American Depositary Shares(2)75,000$8D
Explanation of Responses:
1. The American Depositary Shares ("ADSs") subject to the option ("ADS option") vest in equal quarterly installments over three years beginning on April 30, 2024, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. The ADS option was granted on April 30, 2024.
2. Each ADS option is convertible into ADSs upon exercise. Each ADS may be represented by 500 ordinary shares of the Issuer, no par per share (the "Ordinary Shares"), at any time, upon the holder's election to surrender the ADSs and withdraw the respective number of Ordinary Shares. The ADSs have no expiration date.
3. The ADSs subject to the ADS option vested as to 100% on July 3, 2025. The ADS option was granted on July 3, 2025.
Remarks:
Exhibit 24 - Power of Attorney
/s/ Jeffrey Bonacorda, Attorney-in-Fact06/03/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)