About Michael

Michael practices general business and corporate law, representing public and private companies, investment banking firms and venture capital investors in a range of corporate transactions across various stages of the business life cycle. Mike also regularly advises his clients on general corporate and securities law matters, including SEC reporting obligations and corporate governance. His clients are primarily in the technology space as well as other high growth industries, including software, medical device and biotechnology.

Passions

Cal Football

Vintage Guitars and Amplifiers

Nana’s Lasagna

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Experience

    Kalshi Secures $300 Million Series D

    October 10, 2025

    Cooley advised Kalshi, the first Commodity Futures Trading Commission-regulated exchange dedicated to trading on the outcome of future events, on its $300 million Series D financing, valuing the company at $5 billion.

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    Related contacts

    Kevin Rooney
    Partner, San Francisco
    Barry Kuang
    Associate, Boston
    John McDonough
    Associate, Boston
    Michael Perretta
    Associate, Palo Alto

    Related Practices & Industries

    Allay Therapeutics Secures $57.5 Million Series D

    June 5, 2025

    Cooley advised Allay Therapeutics, a clinical-stage biotechnology company pioneering ultrasustained analgesic products to transform postsurgical pain management and recuperation, on its $57.5 million Series D financing.

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    Related contacts

    Mark Weeks
    Partner, Palo Alto
    Michael Perretta
    Associate, Palo Alto

    Related Practices & Industries

    Inventiva – $108 Million IPO

    July 22, 2020

    Cooley advised Inventiva on its $107.7 million initial public offering of 7,478,261 American Depositary Shares or ADSs. Inventiva, whose securities now trade on the Nasdaq Global Market and Euronext Paris under the symbol “IVA,” is a clinical-stage biopharmaceutical company focused on the development of oral small molecule therapies for the treatment of NASH, MPS and other diseases with significant unmet medical need. Partners Div Gupta, Rich Segal, and Alison Haggerty led the Cooley team.

    Related contacts

    Div Gupta
    Partner, New York
    Richard Segal
    Partner, New York
    Michael Perretta
    Associate, Palo Alto

    Related Practices & Industries

    Bolt Biotherapeutics – $264.5 Million IPO

    Cooley advised Bolt Biotherapeutics on its $264.50 million initial public offering of 13,225,000 shares of common stock, which includes the exercise in full of the underwriters’ option to purchase an additional 1,725,000 shares. Bolt Biotherapeutics, whose securities now trade on the Nasdaq Global Market under the symbol “BOLT,” is a clinical-stage immuno-oncology company developing tumor-targeted therapies that leverage the power of the innate and adaptive immune systems. Partners John McKenna and Sonya Erickson led the Cooley team.

    Related contacts

    John McKenna
    Partner, Palo Alto
    Sonya Erickson
    Partner and Business Department Chair, Seattle
    Colleen Badgley
    Partner, Seattle
    Kate Nichols
    Partner, Palo Alto
    Michael Perretta
    Associate, Palo Alto

Admissions and credentials

  • California

Memberships and affiliations

  • American Bar Association (ABA)
  • The State Bar of California

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