Pirani v. Slack Technologies, Inc.

U.S. Court of Appeals for the Ninth Circuit

Tab Group

Merits Stage

Ninth Circuit holds that plaintiffs have standing to challenge the direct listing of a security under Sections 11 & 12(a)(2) of the Securities Act of 1933 if they merely purchased a security of “the same nature” as a registered security

September 20, 2021

Click here to view the opinion.

U.S. Chamber files coalition amicus brief urging Ninth Circuit to enforce “tracing” requirement for claims under Section 11 of the Securities Act of 1933

November 2, 2020

Click here to view the amicus brief filed by the U.S. Chamber, Securities Industry and Financial Markets Association, and National Venture Capital Association. Andrew B. Clubok, Gavin M. Masuda, Morgan E. Whitworth, and Gregory Mortenson of Latham & Watkins LLP and the U.S. Chamber’s Litigation Center served as co-counsel for the U.S. Chamber.

Case Documents

District Court Order -- Pirani v. Slack Technologies, Inc. (N.D. Cal.).pdf

U.S. Chamber, et al. Amicus Brief -- Pirani v. Slack Technologies, Inc. (Ninth Circuit).pdf

Opinion -- Pirani v. Slack Technologies, Inc. (Ninth Circuit).pdf

U.S. Chamber En Banc Coalition Amicus Brief -- Pirani v. Slack Technologies, Inc. (Ninth Circuit).pdf