
Mainly specializing in the life sciences, healthcare, and energy industries, A&O Shearman acts for issuers and underwriters in multi-jurisdictional private placements, secondary offerings, and IPOs. The firm’s expertise extends to at-the-market offerings and financing transactions, with Ilir Mujalovic heading the practice from New York and focusing on SPACs and convertible bond issues. From Silicon Valley, Christopher Forrester assists investment banks and major sponsors, while New York’s Harald Halbhuber is a debt restructuring expert. Located in Houston, Bill Nelson is knowledgeable in cross-border securities offerings, and Taylor Landry is also highlighted as key.
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Key clients
- BofA Securities
- Leerink Partners
- Evercore ISI
- RBC Capital Markets
- TD Cowen
- Piper Sandler
- Wedbush PacGrow
- Needham & Company
- Truist Securities
- Morgan Stanley
Work highlights
Advised the underwriters in connection with the upsized USD207 million initial public offering of Ceribell, Inc.
Advised the joint book-running managers, in connection with the USD403.7 million follow-on equity offering of Bruker Corporation.
Advised the joint book-running managers, in connection with the USD201 million follow-on equity offering of PROCEPT BioRobotics Corporation.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Ilir Mujalovic
Other key lawyers
Chris Forrester; Harald Halbhuber; Bill Nelson; Taylor Landry; Ilya Mamin; Stella Sun; Katya Bogdanov