Corporate Defense and Disputes

Important developments in U.S. securities law, white collar criminal defense, regulatory enforcement and other emerging issues impacting financial services institutions, publicly traded companies and private investment funds

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Peter Castellon

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Peter represents issuers, underwriters and selling shareholders in connection with offerings of securities, including IPOs, follow-on and secondary offerings, block trades, rights offerings and offerings of convertible and exchangeable bonds.

Peter is active in bar association activities and has served as an officer of several committees, including the IBA Capital Markets Forum, the International Securities Matters Subcommittee of the ABA Committee on the Federal Regulation of Securities and the ABA International Securities & Capital Markets Committee.

Peter has written several articles on securities law topics, including the following:

  • US Private Placements: When Rule 144A is unavailable, PLC, July, 2015.

  • SAS 72 letters: Seeking comfort, PLC, May, 2013.

  • Another way in, IFLR, March, 2012.

Before joining Proskauer, Peter was Deputy General Counsel for Citi and advised the Equity Capital Markets Division and Investment Banking Division. While at Citi, Peter worked on most of Citi’s ECM transactions in Europe, the Middle East and Africa.

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SEC Proposes Extensive New Rules Applicable to SPACs and de-SPAC Transactions

By Julia Alonzo, Corey I. Rogoff, Steven R. Burwell, Peter Castellon, Michael Choate, Steven L. Lichtenfeld, Ben Orlanski, Louis Rambo, Frank Zarb and Simon J. Wood on Posted in SEC Enforcement, Securities Litigation, SPAC
This week, our corporate colleagues published a handy guide to the SEC’s new proposed rules on SPACs. Of particular note to securities watchers should be potential increases in litigation stemming from changes to the definition of “blank check company” for the Private Securities Litigation Reform Act of 1995 (the “PSLRA”). The SEC has long given … Continue Reading

SEC Proposes Broad New Climate Change Disclosure Requirements

By Julia Alonzo, Amy Gordon, Steven R. Burwell, Peter Castellon, Michael Choate, Michael E. Ellis, Steven L. Lichtenfeld, Ben Orlanski, Louis Rambo, William J. Tuttle and Frank Zarb on Posted in Corporate Governance, ESG, SEC Enforcement
Last week, the U.S. Securities and Exchange Commission proposed a set of sweeping new rules requiring public companies to disclose climate-related risks in their registration statements and periodic reports.  Under the proposed rules, public companies would have to disclose the actual and potential impacts of climate change on their business, management and governance processes to … Continue Reading
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