log in
Print | Back

Haynes and Boone

Jayun Koo

Jayun Koo



  • Capital Markets and Securities

WSG Practice Industries


Haynes and Boone
New York, U.S.A.

Jayun Koo is an associate in the Capital Markets and Securities Practice Group in the New York office of Haynes and Boone. Her practice focuses primarily on securities law and general corporate matters, including representing issuers, underwriters and institutional investors in initial public offerings and other public and private securities offerings, SEC reporting and compliance and corporate governance matters. She works mainly with the firm’s public company clients, both large and small, many of whom are involved in emerging growth technologies in the biotechnology and biopharmaceutical fields.

Bar Admissions

New York


J.D., Columbia Law School, 2010, Journal of Asian Law, Staff Editor
B.A., University of Pennsylvania, 2006, magna cum laude
Areas of Practice

Capital Markets and Securities

Professional Career

Significant Accomplishments

Represented VBI Vaccines in its successful underwritten public offering and concurrent registered direct offering of common shares for aggregate gross proceeds of approximately $71.9 million.

Represented a biotechnology company in its follow-on offerings involving preferred stock units and pre-funded warrants.

Represented the underwriter in an underwritten offering of units and pre-funded units.

Represented an Israeli specialty biopharmaceutical company in its public offering of American Depositary Shares.

Represented PhaseRx, Inc. in its initial public offering.

Private securities offerings and other securities transactions.

Reporting obligations under the Securities Exchange Act of 1934.

Preparation of registration statements on Forms S-8 and S-4.

Compliance with corporate governance best practices and regulations, such as: NYSE and NASDAQ requirements with respect to board composition, committee charters and other listing standards; State law governing shareholder meetings; and Disclosure committee. policies and charters, information disclosure policies; and enterprise risk management policies.

Preparation of securities filings, including Schedule 13D and Section 16 filings.

Mergers and acquisitions involving public and private entities.

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

HOME | SITE MAP | GLANCE | PRIVACY POLICY | DISCLAIMER |  © World Services Group, 2021