Insider Trading April 13, 2026 08:40 PM

Whitehawk Therapeutics Operations Chief Disposes $201k in Stock to Cover RSU Withholding

Bryan Ball sold 56,596 shares across two transactions; company presents MUC16 expression data at SGO 2026 meeting

By Nina Shah WHWK
Whitehawk Therapeutics Operations Chief Disposes $201k in Stock to Cover RSU Withholding
WHWK

Bryan Ball, Whitehawk Therapeutics' Chief Technical Operations Officer and SVP of Manufacturing Operations, sold 56,596 shares of the company’s common stock on April 9 and 10, 2026, in broker-assisted transactions to satisfy tax withholding related to vested restricted stock units, generating $201,124 in proceeds. The company recently reported data on MUC16 expression presented at the Society of Gynecologic Oncology 2026 Annual Meeting and is noted by InvestingPro as potentially undervalued.

Key Points

  • Bryan Ball sold 56,596 shares of Whitehawk Therapeutics on April 9-10, 2026, receiving $201,124 in total proceeds.
  • The sales were broker-assisted to meet tax withholding obligations related to vested restricted stock units; Ball retains a direct holding of 515,955 shares.
  • Whitehawk presented MUC16 expression data at the SGO 2026 Annual Meeting showing substantially higher expression in ovarian cancer compared with other ADC targets; InvestingPro flags WHWK as appearing undervalued.

Bryan Ball, who serves as Chief Technical Operations Officer and Senior Vice President of Manufacturing Operations at Whitehawk Therapeutics, Inc. (NASDAQ: WHWK), completed two stock sales on April 9 and April 10, 2026, that together total 56,596 shares of common stock.

The first transaction, executed on April 9, involved the disposition of 50,000 shares at a price of $3.57 per share. The second transaction, on April 10, consisted of an additional 6,596 shares sold at $3.43 per share. Both trades were broker-assisted and produced combined gross proceeds of $201,124.

Following these sales, Ball holds a direct stake of 515,955 shares of Whitehawk Therapeutics common stock. Company filings indicate the transactions were carried out specifically to satisfy tax withholding obligations tied to the vesting of restricted stock units.

The stock has recorded notable market appreciation recently: the share price has risen more than 103% over the past year and roughly 76% across the prior six months.


Analyst coverage and platform commentary

According to analysis from InvestingPro cited in company commentary, WHWK appears undervalued at current levels. The InvestingPro platform highlights Whitehawk’s strong one-year return among a set of additional insights labeled as ProTips available to subscribers. The platform also notes that WHWK’s Pro Research Report is one of more than 1,400 comprehensive research reports that InvestingPro offers for U.S. equities.


Scientific update presented at SGO 2026

In separate company news, Whitehawk Therapeutics presented data at the Society of Gynecologic Oncology 2026 Annual Meeting examining expression patterns of the protein MUC16 in ovarian and endometrial cancers. The analysis, completed in collaboration with Tempus AI, found that MUC16 expression in ovarian cancer is substantially higher than for other antibody-drug conjugate (ADC) targets referenced in the presentation.

The reported expression differentials ranged from roughly 2-fold to more than 100-fold higher than targets such as NaPi2b and HER2, among others. Presentation material also indicated that MUC16 protein expression remained stable across disease stages, metastatic status and platinum sensitivity within high-grade serous ovarian carcinoma, a subtype that accounts for about 70% of ovarian cancer cases.

The company characterized these findings as providing important insights into potential therapeutic targets for ovarian cancer treatment.


What is and is not in the record

The publicly disclosed details on the insider transactions specify the shares sold, prices, dates and the stated reason for the broker-assisted sales. The public commentary also records InvestingPro’s valuation view and summarizes the MUC16 expression data presented at SGO 2026. The disclosures do not include additional information on any subsequent changes in executive ownership intentions, nor do they report clinical outcomes tied to the presented expression data.

Risks

  • The insider sales were executed to satisfy tax withholding tied to vested restricted stock units, which limits their interpretive value as a signal of executive sentiment toward future company performance - this pertains to equity markets and investor perception.
  • InvestingPro’s view that WHWK appears undervalued is an analysis offered by a research platform; it represents an opinion rather than an incontrovertible market fact - this impacts valuation discussions in the equity research and investment community.
  • The SGO presentation reported MUC16 expression patterns and stability across certain tumor characteristics, but the disclosed materials do not include clinical outcome data or regulatory decisions, leaving uncertainty about therapeutic implications for the biotechnology and healthcare sectors.

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