STOCK TITAN

Whitehawk grants CTO 91,633 options, 91,633 RSUs

Chief Technical Operations Officer Bryan Ball received stock option and RSU grants totaling 183,266 underlying shares, vesting over four years contingent on continued service.

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Form Type
4

Rhea-AI Filing Summary

Whitehawk Therapeutics, Inc. (WHWK) reported equity compensation grants to its Chief Technical Operations Officer, Bryan Ball. On September 15, 2026, he received a stock option for 91,633 shares of common stock at an exercise price of $4.09 per share, expiring on September 15, 2036. The option vests 25% on the one-year anniversary of the Vesting Commencement Date of September 15, 2026, with the remaining shares vesting in equal monthly installments over the following three years, subject to continued service. On the same date, he also received 91,633 restricted stock units, each representing one share of common stock, vesting 25% on the first anniversary of the Vesting Commencement Date and 25% on each of the next three anniversaries, also conditioned on continued service. No Rule 10b5-1 trading plan is reported for these awards.

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Insider BALL BRYAN
Role See remarks
Type Security Shares Price Value
Grant/Award Stock Option (right to buy) F1 91,633 $0.00 $0.00
Grant/Award Restricted Stock Units F2, F3 91,633 $0.00 $0.00
Holdings After Transaction: Stock Option (right to buy) — 91,633 contracts (Direct); Restricted Stock Units — 91,633 contracts (Direct)
Footnotes (3)
  1. F1. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, twenty five percent (25%) of the shares subject to the option shall vest on the one-year anniversary of the Vesting Commencement Date and 1/48th of the total shares subject to the option shall vest every month thereafter such that all shares subject to the option shall be fully vested on the four-year anniversary of the Vesting Commencement Date. "Vesting Commencement Date" shall mean September 15, 2026.
  2. F2. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Whitehawk Therapeutics, Inc. Common Stock.
  3. F3. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, twenty five percent (25%) of the shares subject to the award shall vest on the one-year anniversary of the Vesting Commencement Date, and twenty five percent (25%) of the shares subject to the award shall vest on each of the next three Vesting Commencement Date anniversaries thereafter. "Vesting Commencement Date" shall mean September 15, 2026.
Stock options granted 91,633 shares Stock option award to Bryan Ball on September 15, 2026
RSUs granted 91,633 units Restricted stock unit award to Bryan Ball on September 15, 2026
Option exercise price $4.09 per share Exercise price of stock option granted to Bryan Ball
Option expiration date September 15, 2036 Expiration of 91,633-share stock option
Vesting Commencement Date September 15, 2026 Start date for vesting of both option and RSU awards
Initial vesting cliff 25% after one year First vesting event for both option and RSU awards
Restricted Stock Units financial
"The security title is listed as "Restricted Stock Units" for one transaction"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Vesting Commencement Date financial
"“Vesting Commencement Date” shall mean September 15, 2026."
The vesting commencement date is the starting point when an employee begins earning ownership rights to their promised benefits, such as stock options or retirement contributions. Think of it like the day a savings account is opened—only after this date do the benefits start to grow and become fully available over time. It matters to investors because it marks when the clock begins ticking toward full ownership, affecting the timing and value of these benefits.
Service Provider financial
"Subject to the Reporting Person continuing to be a Service Provider"
Equity Incentive Plan financial
"as defined in the Issuer's 2021 Equity Incentive Plan"
An equity incentive plan is a program that gives employees, executives or directors the right to receive company stock or options to buy stock as part of their pay. Think of it as offering slices of future company profit to motivate people to boost long‑term performance; for investors it matters because it can align employee goals with shareholder value but also increases the number of shares outstanding, which can dilute existing ownership.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What equity awards did WHWK grant to Chief Technical Operations Officer Bryan Ball?

Bryan Ball received a stock option for 91,633 shares of Whitehawk Therapeutics, Inc. common stock and 91,633 restricted stock units, each RSU representing one share of common stock, as equity compensation awards.

What is the exercise price and term of Bryan Ball’s WHWK stock option?

The stock option granted to Bryan Ball has an exercise price of $4.09 per share and an expiration date of September 15, 2036, giving him the right to buy up to 91,633 shares of common stock at that price before expiration.

How do Bryan Ball’s WHWK stock options vest over time?

Subject to continued service, 25% of the option shares vest on the one-year anniversary of the September 15, 2026 Vesting Commencement Date, and 1/48 of the total option shares vest monthly thereafter, so all 91,633 shares vest over four years.

What is the vesting schedule for Bryan Ball’s WHWK RSU award?

For the 91,633 RSUs, 25% vest on the one-year anniversary of the September 15, 2026 Vesting Commencement Date, and 25% vest on each of the next three anniversaries, contingent on Mr. Ball continuing to be a Service Provider.

Do Bryan Ball’s WHWK equity awards involve a Rule 10b5-1 trading plan?

No. The filing indicates that no Rule 10b5-1 trading plan is reported in connection with these equity awards to Bryan Ball; they are described simply as grants or awards of options and restricted stock units.

What does each WHWK restricted stock unit granted to Bryan Ball represent?

Each restricted stock unit granted to Bryan Ball represents a contingent right to receive one share of Whitehawk Therapeutics, Inc. common stock, subject to the time-based vesting conditions and his continued status as a Service Provider.

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

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
BALL BRYAN

(Last)(First)(Middle)
C/O WHITEHAWK THERAPEUTICS, INC.
2 HEADQUARTERS PLAZA, EAST BUILDING, 11T

(Street)
MORRISTOWN NEW JERSEY 07960

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Whitehawk Therapeutics, Inc. [ WHWK ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
See remarks
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (right to buy)$4.0909/15/2026A91,633 (1)09/15/2036Common Stock91,633$091,633D
Restricted Stock Units(2)09/15/2026A91,633 (3) (3)Common Stock91,633$091,633D
Explanation of Responses:
1. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, twenty five percent (25%) of the shares subject to the option shall vest on the one-year anniversary of the Vesting Commencement Date and 1/48th of the total shares subject to the option shall vest every month thereafter such that all shares subject to the option shall be fully vested on the four-year anniversary of the Vesting Commencement Date. "Vesting Commencement Date" shall mean September 15, 2026.
2. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Whitehawk Therapeutics, Inc. Common Stock.
3. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2021 Equity Incentive Plan) through each applicable date, twenty five percent (25%) of the shares subject to the award shall vest on the one-year anniversary of the Vesting Commencement Date, and twenty five percent (25%) of the shares subject to the award shall vest on each of the next three Vesting Commencement Date anniversaries thereafter. "Vesting Commencement Date" shall mean September 15, 2026.
Remarks:
Chief Technical Operations Officer
/s/ Stephen Rodin, as Attorney-in-Fact09/15/2026
** 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 4 (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 4: SEC 1474 (03-26)

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