Insider Trading May 5, 2026 07:58 PM

Tango Therapeutics R&D Executive Executes Planned Stock Sales

Adam Crystal disposes of 27,000 shares following option exercise under pre-established Rule 10b5-1 plan.

By Maya Rios TNGX

Adam Crystal, who serves as the President of Research & Development at Tango Therapeutics, Inc. (NASDAQ: TNGX), has completed a series of stock transactions totaling $573,097. The disposals occurred on May 1, 2026, and were executed in conjunction with the exercise of stock options. These moves were conducted under a Rule 10b5-1 trading plan that was originally set up on October 27, 2025.The transaction involved two distinct sales events. The first portion consisted of 25,900 shares sold at a weighted average price of $21.1931 per share, with individual execution prices ranging between $20.79 and $21.755. The second portion included 1,100 shares which were sold at a weighted average price of $21.9964 per share, with a price range spanning from $21.80 to $22.20.Prior to the sale of these shares, Crystal exercised options to purchase 27,000 shares of Tango Therapeutics common stock at an exercise price of $5.20 per share, a move that required a total cost of $140,400. This option grant follows a four-year vesting schedule: 25% vested on February 27, 2024, with the remaining balance scheduled to vest in 36 monthly installments. Following these transactions, Crystal maintains a direct holding of 115,743 shares, including 3,121 shares from the company's 2021 Employee Stock Purchase Plan acquired on November 1, 2025. Additionally, he holds 368,040 derivative shares via stock options.

Tango Therapeutics R&D Executive Executes Planned Stock Sales
TNGX

Key Points

  • Executive sales were executed under a pre-set Rule 10b5-1 plan.
  • Analyst price targets have been raised due to clinical trial confidence.
  • The company has undergone leadership changes in the CFO role.

Executive Transaction Details

On May 1, 2026, Adam Crystal, President of Research & Development at Tango Therapeutics, Inc. (NASDAQ: TNGX), completed the sale of 27,000 shares of common stock. The aggregate value realized from these sales was $573,097. This activity was part of a structured trading plan established on October 27, 2025, under Rule 10b5-1 regulations.

The liquidation was carried out in two separate transactions:

  • A sale of 25,900 shares at a weighted average price of $21.1931 per share (ranging from $20.79 to $21.755).
  • A sale of 1,100 shares at a weighted average price of $21.9964 per share (ranging from $21.80 to $22.20).

Before these sales took place, Crystal exercised options for 27,000 shares at a strike price of $5.20 per share, totaling an expenditure of $140,400. These options are subject to a four-year vesting period, with the first 25% having vested on February 27, 2024, followed by 36 equal monthly increments for the rest.


Market Context and Analyst Outlook

Tango Therapeutics has recently experienced significant movement in analyst sentiment and corporate leadership. Stifel has increased its price target for the company to $40, driven by confidence in the potential synergy between Tango's PRMT5 inhibitor and RAS(ON) inhibitor combination therapy for pancreatic ductal adenocarcinoma. This combination is viewed as having the capacity to improve objective response rates and the duration of responses over current options.

Similarly, Leerink Partners raised its price target to $28 after positive results from Phase 3 trials, which increased the perceived probability of success for the PRMT5 inhibitor program. Stifel also maintained a Buy rating, highlighting the potential utility of vopimetostat when utilized alongside RAS(ON) inhibitors.

In terms of organizational structure, Tango Therapeutics recently named Matthew Gall as Chief Financial Officer. Gall replaces Daniella Beckman and brings professional history from Kalaris Therapeutics and iTeos Therapeutics.


Key Points

  • Planned Liquidity: The sale was conducted via a Rule 10b5-1 plan, which is a pre-established mechanism for insiders to trade shares. This impacts the biotechnology sector by demonstrating how executives manage compensation through scheduled disposals.
  • Clinical Pipeline Optimism: Analyst price target increases from Stifel and Leerink Partners suggest market confidence in Tango's combination therapies, specifically regarding pancreatic ductal adenocarcinoma treatments.
  • Leadership Transition: The appointment of Matthew Gall as CFO marks a shift in the company's financial leadership, drawing on expertise from other biotech firms.

Risks and Uncertainties

  • Clinical Trial Dependency: While Phase 3 results have been positive, the overall success of programs like the PRMT5 inhibitor remains tied to clinical outcomes and regulatory progress, affecting the broader biotech market's risk assessment for such specialized therapies.
  • Execution of Combination Therapies: The anticipated benefits of combining vopimetostat with RAS(ON) inhibitors rely on achieving specific objective response rates, which carries inherent scientific uncertainty common in the pharmaceutical sector.

Risks

  • Clinical success of the PRMT5 inhibitor program is central to valuation.
  • The efficacy of combination therapies remains a key variable for future performance.

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