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Kazia Therapeutics (KZIA) executive discloses multiple stock option positions

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Form Type
3

Rhea-AI Filing Summary

Kazia Therapeutics executive David Cain filed an initial ownership report showing he holds several stock option awards. These include options over 5,000 American Depositary Shares at an exercise price of $19.0000 and 100,000 ADS at $8.0000, plus options over 100,000 and 400,000 Ordinary Shares at exercise prices of $0.6651 and $0.1061. The options vest in scheduled annual or quarterly installments, contingent on his continued service, and expire between February 1, 2027 and July 22, 2027.

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Insider Cain David
Role Director, CMC
Type Security Shares Price Value
holding American Depositary Share Option (Right to Buy) -- -- --
holding American Depositary Share Option (Right to Buy) -- -- --
holding Ordinary Shares Option (Right to Buy) -- -- --
holding Ordinary Shares Option (Right to Buy) -- -- --
Holdings After Transaction: American Depositary Share Option (Right to Buy) — 105,000 shares (Direct); Ordinary Shares Option (Right to Buy) — 500,000 shares (Direct)
Footnotes (7)
  1. F1. The American Depositary Shares ("ADSs") subject to the option ("ADS option") vest in equal quarterly installments over three years beginning on July 22, 2024, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. The ADS option was granted on July 22, 2024.
  2. F2. Each ADS option is convertible into ADSs upon exercise.
  3. F3. 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.
  4. F4. The ADSs subject to the ADS option vest in three equal annual installments beginning on July 3, 2025, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. The ADS option was granted on July 3, 2025.
  5. F5. The Ordinary Shares subject to the option ("OS option") vest in four equal annual installments beginning on February 1, 2022, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. The OS option was granted on February 1, 2022.
  6. F6. The exercise price is reported in U.S. dollars and reflects the conversion from AUD to USD at an exchange rate of 0.7075 USD per 1.00 AUD as of March 18, 2026.
  7. F7. The Ordinary Shares subject to the OS option vest in two equal annual installments beginning on March 3, 2023, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. The OS option was granted on March 3, 2023.
ADS options at $19.00 5,000 underlying ADS Exercise price $19.0000, expiration July 22, 2027
ADS options at $8.00 100,000 underlying ADS Exercise price $8.0000, expiration July 3, 2027
Ordinary Share options at $0.6651 100,000 underlying Ordinary Shares Exercise price $0.6651, expiration February 1, 2027
Ordinary Share options at $0.1061 400,000 underlying Ordinary Shares Exercise price $0.1061, expiration March 3, 2027
FX conversion rate 0.7075 USD per 1.00 AUD Used to report exercise prices as of March 18, 2026
American Depositary Shares financial
"Each ADS may be represented by 500 ordinary shares of the Issuer"
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.
ADS option financial
"The American Depositary Shares ("ADSs") subject to the option ("ADS option") vest"
Ordinary Shares Option financial
"The Ordinary Shares subject to the option ("OS option") vest in four equal annual installments"
exercise price financial
"The exercise price is reported in U.S. dollars and reflects the conversion from AUD"
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.
vest financial
"subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date"
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What does David Cain’s Form 3 for Kazia Therapeutics (KZIA) report?

The Form 3 reports David Cain’s existing stock option holdings in Kazia Therapeutics. It lists options over American Depositary Shares and Ordinary Shares with defined exercise prices, vesting schedules based on continued service, and expiration dates through 2027.

What American Depositary Share options does David Cain hold in KZIA?

David Cain holds options over 5,000 American Depositary Shares at an exercise price of $19.0000 and 100,000 ADS at $8.0000. These ADS options vest in scheduled installments and are exercisable into ADSs, which represent underlying Ordinary Shares.

What Ordinary Share options are reported for David Cain at Kazia Therapeutics?

He holds options over 100,000 Ordinary Shares at an exercise price of $0.6651 and 400,000 Ordinary Shares at $0.1061. These options vest in annual installments starting in 2022 and 2023, subject to his continuous service with the company.

When do David Cain’s Kazia Therapeutics stock options expire?

The reported options expire between February 1, 2027 and July 22, 2027. Each grant has its own specific expiration date, after which any unexercised options would lapse if not exercised under their terms.

How do Kazia Therapeutics ADSs relate to Ordinary Shares in this Form 3?

Each American Depositary Share may represent 500 Ordinary Shares of Kazia Therapeutics. Holders can elect to surrender ADSs and withdraw the corresponding number of Ordinary Shares, while the ADSs themselves have no expiration date.

How were the exercise prices for Kazia Therapeutics options converted to U.S. dollars?

The filing states the exercise prices are reported in U.S. dollars based on converting from Australian dollars at an exchange rate of 0.7075 USD per 1.00 AUD as of March 18, 2026, aligning the option terms with U.S. currency reporting.
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*
Cain David

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Director, CMC
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)07/22/2027American Depositary Shares(2)(3)5,000$19D
American Depositary Share Option (Right to Buy) (4)07/03/2027American Depositary Shares(2)(3)100,000$8D
Ordinary Shares Option (Right to Buy) (5)02/01/2027Ordinary Shares100,000$0.6651(6)D
Ordinary Shares Option (Right to Buy) (7)03/03/2027Ordinary Shares400,000$0.1061(6)D
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 July 22, 2024, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. The ADS option was granted on July 22, 2024.
2. Each ADS option is convertible into ADSs upon exercise.
3. 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.
4. The ADSs subject to the ADS option vest in three equal annual installments beginning on July 3, 2025, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. The ADS option was granted on July 3, 2025.
5. The Ordinary Shares subject to the option ("OS option") vest in four equal annual installments beginning on February 1, 2022, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. The OS option was granted on February 1, 2022.
6. The exercise price is reported in U.S. dollars and reflects the conversion from AUD to USD at an exchange rate of 0.7075 USD per 1.00 AUD as of March 18, 2026.
7. The Ordinary Shares subject to the OS option vest in two equal annual installments beginning on March 3, 2023, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. The OS option was granted on March 3, 2023.
Remarks:
Exhibit 24 - Power of Attorney
/s/ Jeffrey Bonacorda, Attorney-in-Fact04/01/2026
** 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)