Insider Trading February 10, 2026

Zentalis CMO Disposes $7,998 in Shares as Company Updates Pipeline

Automatic stock sale to cover tax withholding accompanies broader company developments and analyst reassessment

By Sofia Navarro ZNTL
Zentalis CMO Disposes $7,998 in Shares as Company Updates Pipeline
ZNTL

Zentalis Pharmaceuticals Chief Medical Officer Ingmar Bruns executed two automatic sales of company common stock totaling $7,998 in early February 2026 to satisfy tax withholding obligations tied to vested restricted stock units. The transactions took place on February 6 and February 9, 2026, at prices between $2.3929 and $2.4297 per share. Separately, Zentalis disclosed results and a pipeline update for the third quarter of 2025, including a decision to stop active development of azenosertib for uterine serous carcinoma, prompting an analyst price-target reduction.

Key Points

  • CMO Ingmar Bruns sold 2,962 shares on Feb. 6 and 335 shares on Feb. 9, 2026; combined value $7,998 at prices between $2.3929 and $2.4297.
  • Sales were automatic and executed by the issuer to satisfy tax withholding for vested restricted stock units.
  • Zentalis paused active development of azenosertib for uterine serous carcinoma and saw its price target cut by Leerink Partners from $5.00 to $2.00, maintaining a Market Perform rating.

Summary of transactions

According to a Form 4 filing with the Securities and Exchange Commission, Ingmar Bruns, Chief Medical Officer of Zentalis Pharmaceuticals (NASDAQ: ZNTL), sold a combined $7,998 of company stock through two transactions executed on February 6 and February 9, 2026. The shares were sold at prices ranging from $2.3929 to $2.4297 per share.

Transaction detail

On February 6, Bruns sold 2,962 shares of Zentalis common stock at $2.4297 per share. After that sale, his direct holdings were reported at 33,667 shares.

Three days later, on February 9, Bruns sold an additional 335 shares at $2.3929 per share. Following the February 9 transaction, his direct ownership was reported as 33,332 shares.

The filing specifies that the sales were conducted automatically by the issuer to satisfy tax withholding obligations associated with the vesting and settlement of restricted stock units previously granted to the reporting person. The Form 4 does not indicate any additional voluntary or discretionary sales beyond this automated withholding action.

Company developments and analyst response

Separately, Zentalis released its third-quarter 2025 earnings and a pipeline update. In that update, the company announced it will cease active development of azenosertib for uterine serous carcinoma. Following the pipeline announcement, Leerink Partners lowered its price target for Zentalis from $5.00 to $2.00 while maintaining a Market Perform rating on the stock.

These corporate disclosures and the analyst adjustment have drawn attention to Zentalis's strategy and near-term outlook. The company decision to halt active development of azenosertib represents a change in its pipeline approach, and the analyst response is an explicit market assessment reflected in the revised target and maintained rating.

Investor focus

Investors are monitoring how Zentalis will address its revised pipeline priorities and how management will communicate the implications for future development plans and capital allocation. The automatic nature of Bruns' stock sales means the transactions were executed to cover tax obligations rather than as discretionary, open-market divestitures tied to a personal investment decision.


Key points

  • CMO Ingmar Bruns sold a total of $7,998 in Zentalis common stock via automatic transactions on Feb. 6 and Feb. 9, 2026.
  • Zentalis announced it would stop active development of azenosertib for uterine serous carcinoma as part of its Q3 2025 pipeline update.
  • Leerink Partners reduced its price target from $5.00 to $2.00 while keeping a Market Perform rating, drawing market attention to the companys strategic direction.

Risks and uncertainties

  • Uncertainty over the impact of halting azenosertib development on Zentalis's future pipeline value and development timeline.
  • Potential market reaction and investor concern following the analyst price-target reduction, which may affect stock liquidity and valuation.
  • Limitations in available public information on subsequent strategic steps the company will take in response to the pipeline change.

Risks

  • Uncertainty about how stopping azenosertib development will affect the companys pipeline valuation and future prospects - impacts biotech sector investors and equity valuations.
  • Analyst price-target reductions can influence market perceptions and trading behavior, potentially affecting liquidity and share price volatility - impacts capital markets and investor sentiment.
  • Public filings provide limited detail on next strategic steps, leaving uncertainty about the companys operational response and timeline - impacts stakeholders monitoring clinical development progress.

More from Insider Trading

Clean Harbors Director Executes $204,802 Sale as Company Reports Strong Q4 and Pushes M&A Agenda Feb 21, 2026 Clean Harbors Executive Disposes Nearly $1.0M in Stock as Company Posts Strong Q4 Feb 21, 2026 Clean Harbors CFO Disposes $784K in Shares as Company Reports Strong Quarter and Pursues Acquisition Feb 21, 2026 Travelers Executive Vice President Records $1.74 Million Share Sale as Company Posts Strong Quarter Feb 21, 2026 Genasys Director Buys $50,404 of Stock; Company Reports Mixed Q1 Results Feb 21, 2026