Insider Trading July 6, 2026 07:36 PM

Vaxcyte CFO Guggenhime Exercises Options and Sells Shares Under Pre-Arranged Plan

Executive liquidates 10,000 shares for approximately $572,836 as stock price trades above fair value estimates.

By Ajmal Hussain
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PCVX

Andrew Guggenhime, who serves as both President and Chief Financial Officer at Vaxcyte, Inc. (NASDAQ: PCVX), has executed the sale of 10,000 shares of the company's common stock. The transactions, which totaled approximately $572,836, were carried out on July 6, 2026, under the parameters of a Rule 10b5-1 trading plan established earlier in the year. Prior to the liquidation, Guggenhime acquired the shares by exercising fully vested stock options at an exercise price of $5.35 per share. The sale follows a significant upward movement in the company's stock price, which has appreciated by 71% over the past year. Despite this recent performance, current valuation models suggest the stock trades above its fair value estimate, placing it on the platform’s Most Overvalued list.

Vaxcyte CFO Guggenhime Exercises Options and Sells Shares Under Pre-Arranged Plan
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Key Points

  • Andrew Guggenhime, President and CFO of Vaxcyte, Inc., sold 10,000 shares for approximately $572,836 under a Rule 10b5-1 plan adopted in March 2026.
  • The stock has appreciated 71% over the past year, yet current valuation models suggest it trades above its fair value estimate.
  • Vaxcyte has appointed Moncef Slaoui as a Class II director and initiated a Phase 1 study for the VAX-A1 vaccine candidate targeting Group A Streptococcus.

Andrew Guggenhime, holding the dual roles of President and Chief Financial Officer at Vaxcyte, Inc. (NASDAQ: PCVX), has reported the sale of 10,000 shares of the company's common stock. The transaction occurred on July 6, 2026, and resulted in proceeds totaling approximately $572,836. These dispositions were executed pursuant to a Rule 10b5-1 trading plan that was adopted by the executive on March 4, 2026.


The liquidation was structured across two separate transactions. In the first instance, Guggenhime sold 7,913 shares at a weighted-average price of $57.157 per share. The individual sale prices within this tranche ranged from $56.595 to $57.59. Subsequently, an additional 2,087 shares were sold at a weighted-average price of $57.764 per share, with prices for these specific sales ranging from $57.61 to $58.32.


The timing of these sales coincides with a pronounced upward trajectory for Vaxcyte stock. According to data from InvestingPro, the stock has delivered a 71% return over the past year. This performance metric is highlighted as one of 10 key ProTips available to subscribers analyzing the biotech company's operational performance.


Before executing the sales, Guggenhime acquired the 10,000 shares by exercising fully vested stock options. The exercise price for these options was set at $5.35 per share, amounting to a total value of $53,500. At the time of the report, the stock was trading at $56.93. Valuation analysis from InvestingPro suggests this price point is above its Fair Value estimate, categorizing it on the platform’s Most Overvalued list. Investors seeking deeper insights can access a comprehensive Pro Research Report on PCVX, which is included in a coverage of 1,400+ US equities with expert analysis and actionable intelligence.


Following the completion of these transactions, Guggenhime's direct holdings in Vaxcyte common stock stand at 104,395 shares. Furthermore, he maintains indirect holdings of 61,850 shares through ALG 2025 GRAT HOLDINGS LLC. This entity is a grantor retained annuity trust for which Guggenhime serves as both the annuitant and trustee.


In parallel with these executive transactions, Vaxcyte has announced several corporate developments. The company reported a change in its board of directors, noting the retirement of Jacks Lee. Lee will continue to advise the company on global strategic supply and manufacturing operations. Additionally, Moncef Slaoui has been appointed as a Class II director, with a term extending until the annual meeting of stockholders in 2028.


On the research and development front, Vaxcyte initiated a Phase 1 study for VAX-A1, a vaccine candidate targeting Group A Streptococcus. The first participant has already been dosed, and the company plans to release topline data from this study in the second half of 2027. These developments underscore the company's ongoing efforts in research and strategic planning.


The intersection of executive insider activity and corporate governance changes provides a lens into the internal dynamics of Vaxcyte. The execution of a pre-arranged trading plan suggests a structured approach to liquidity, while the appointment of new board members and the progression of clinical trials indicate continued operational focus. The disparity between the stock's recent performance and its fair value estimate presents a point of analysis for market participants evaluating the biotech sector.

Risks

  • Valuation metrics indicate the stock trades above its fair value estimate, which may present risks for investors relying on fundamental valuation models.
  • The executive's liquidation of shares, while executed under a pre-arranged plan, contributes to the supply dynamics of the stock in the market.

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