WHWK Form 144: Proposed RSU/Common Stock Resale Listed

Whitehawk Therapeutics (WHWK) reported a Form 144 notice listing proposed sales of Common Stock and Restricted Stock Units.

Rhea-AI Filing Summary

Whitehawk Therapeutics (WHWK) reported a Form 144 notice listing proposed sales of Common Stock and Restricted Stock Units. The filing shows a securities-to-be-sold entry dated 04/01/2026 with a line item of 473,902. It also records a sale by Scott M. Giacobello of 2,594 shares on 03/02/2026 with an associated figure of $8,585.10.

Insights

Securities Compliance Analyst

Form 144 lists proposed resale of common stock and RSUs, plus a small recent sale by an insider.

The filing records a securities-to-be-sold entry dated 04/01/2026 with a line showing 473,902 units. It also documents a prior sale by Scott M. Giacobello of 2,594 shares on 03/02/2026 with $8,585.10 cited alongside that row.

Form 144 is a required notice of intended resale under Section 144; it does not itself execute sales or describe proceeds recipients. Subsequent filings or transfer records would show consummation and cash‑flow treatment.

Key Figures

Securities-to-be-sold line item: 473,902 Insider sale shares: 2,594 shares Associated figure for insider sale: $8,585.10 +1 more

4 metrics

Securities-to-be-sold line item 473,902 listed with date 04/01/2026

Insider sale shares 2,594 shares sale by Scott M. Giacobello on 03/02/2026

Associated figure for insider sale $8,585.10 row alongside the 2,594-share sale on 03/02/2026

Form entry date 04/15/2026 file header date shown

Key Terms

Restricted Stock Units, Form 144, Common Stock

3 terms

Restricted Stock Units financial

"Securities To Be Sold Common Stock | 04/01/2026 | Restricted Stock Units"

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.

Common Stock financial

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

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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

What does Whitehawk Therapeutics (WHWK) Form 144 show?

It shows proposed resale of Common Stock and Restricted Stock Units. The filing includes a securities entry dated 04/01/2026 with 473,902 listed and notes an insider sale of 2,594 shares on 03/02/2026.

Who sold shares recently according to the WHWK filing?

Scott M. Giacobello reported a sale of 2,594 shares. That sale is dated 03/02/2026 and shows an associated amount of $8,585.10 in the same row of the filing content.

Does this Form 144 mean the sales have occurred for WHWK?

Not necessarily; Form 144 reports intended or proposed resale activity. The filing lists securities-to-be-sold dated 04/01/2026 and records a prior sale, but consummation and cash flow are shown in trade or transfer records.

What is the significance of the 473,902 figure in the WHWK Form 144?

The filing lists 473,902 alongside a securities-to-be-sold entry dated 04/01/2026. The document fragment does not further explain whether this number is shares, units, or other settlement mechanics.

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

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Accepted by SEC EDGAR 04/15/2026 - 08:03 PM EDT Learn about SEC filing dates

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	0001754154
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	Giacobello Scott M.
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	233766	899999.10	47196564	04/15/2026	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			473902	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
Scott M. Giacobello C/O WHITEHAWK THERAPEUTICS, INC. 2 HEADQUARTERS PLAZA, EAST BUILDING, 11T MORRISTOWN NJ 07960	Common Stock	03/02/2026	2594	8585.10

144: Remarks and Signature

Remarks	Shares to be sold to cover withholding taxes upon vesting of restricted stock unit award
Date of Notice	04/15/2026
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)