WHWK files Form 144 to sell 366,532 RSUs

Whitehawk Therapeutics (WHWK) filed a Form 144 reporting an intended sale of 366,532 Restricted Stock Units with an applicable date of 04/01/2026.

Accepted by SEC EDGAR 04/09/2026 - 08:38 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Whitehawk Therapeutics (WHWK) filed a Form 144 reporting an intended sale of 366,532 Restricted Stock Units with an applicable date of 04/01/2026. The filing shows 1,834 shares of Common Stock were sold on 03/02/2026 for $6,069.80.

Key Figures

RSUs to be sold: 366,532 shares Shares sold in past 3 months: 1,834 shares Proceeds reported (past sale): $6,069.80 +1 more

4 metrics

RSUs to be sold 366,532 shares Securities to be sold, date 04/01/2026

Shares sold in past 3 months 1,834 shares Sale date 03/02/2026

Proceeds reported (past sale) $6,069.80 Proceeds from 1,834-share sale on 03/02/2026

Form date/processing 04/09/2026 Filer information line shows this date with NASDAQ

Key Terms

Restricted Stock Units, Form 144, Securities Sold During The Past 3 Months

3 terms

Restricted Stock Units financial

"Common Stock | 04/01/2026 | Restricted Stock Units | Issuer"

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.

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Securities Sold During The Past 3 Months regulatory

"Securities Sold During The Past 3 Months | Common Stock | 03/02/2026"

FAQ

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

What does WHWK's Form 144 report about the planned sale?

Answer: The filing reports an intended sale of 366,532 Restricted Stock Units with an applicable date of 04/01/2026. The entry lists the securities as RSUs and identifies the filer and broker details shown on the form.

How many WHWK shares were sold in the past three months per the filing?

Answer: The filing records that 1,834 shares of Common Stock were sold on 03/02/2026. The reported proceeds for that past sale are $6,069.80, as shown in the past-sales line on the form.

Which broker and market are listed on the WHWK Form 144?

Answer: The form lists E-TRADE Financial Corporation at its Alpharetta address and identifies NASDAQ as the market. These entries appear alongside the securities and transaction details on the filing.

Are the planned sales in WHWK's Form 144 listed as issuer or holder transactions?

Answer: The filing indicates the securities to be sold are Restricted Stock Units and lists the Issuer in the corresponding column. The form therefore associates the RSU line with issuer-originated units.

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

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001766522
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Whitehawk Therapeutics, Inc.
SEC File Number	001-38560
Address of Issuer	2 HEADQUARTERS PLAZA EAST BUILDING, 11TH FLOOR MORRISTOWN NEW JERSEY 07960
Phone	551-321-2234
Name of Person for Whose Account the Securities are To Be Sold	BALL BRYAN
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	E-TRADE Financial Corporation 3 Edison Drive Alpharetta GA 30005	196969	649997.70	47196564	04/09/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	04/01/2026	Restricted Stock Units	Issuer			366532	04/01/2026	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Bryan Ball c/o WHITEHAWK THERAPEUTICS, INC. 2 HEADQUARTERS PLAZA, EAST BUILDING, 11T MORRISTOWN NJ 07960	Common Stock	03/02/2026	1834	6069.80

144: Remarks and Signature

Remarks	Shares to be sold to cover withholding taxes upon vesting of restricted stock unit award
Date of Notice	04/09/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Stephen Rodin, as Attorney-in-Fact
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)