CASE 43-4
UNITED STATES v. O’HAGAN
Supreme Court of the United States, 1997
521 U.S. 642, 117 S.Ct. 2199, 138 L.Ed.2d 724
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Ginsburg, J.
Respondent James Herman O’Hagan was a partner in the law firm of Dorsey & Whitney in
Minneapolis, Minnesota. In July 1988, Grand Metropolitan PLC (Grand Met), a company
based in London, England, retained Dorsey & Whitney as local counsel to represent Grand
Met regarding a potential tender offer for the common stock of the Pillsbury Company,
headquartered in Minneapolis. Both Grand Met and Dorsey & Whitney took precautions to
On August 18, 1988, while Dorsey & Whitney was still representing Grand Met,
O’Hagan began purchasing call options for Pillsbury stock. Each option gave him the right
to purchase 100 shares of Pillsbury stock by a specified date in September 1988. Later in
August and in September, O’Hagan made additional purchases of Pillsbury call options. By
the end of September, he owned 2,500 unexpired Pillsbury options, apparently more than
any other individual investor. [Citation.] O’Hagan also purchased, in September 1988, some
5,000 shares of Pills- bury common stock, at a price just under $39 per share. When Grand
Met announced its tender offer in October, the price of Pillsbury stock rose to nearly $60 per
share. O’Hagan then sold his Pillsbury call options and common stock, making a profit of
more than $4.3 million.
[The Securities and Exchange Commission initiated an investigation into O’Hagan’s
transactions, culminating in an indictment alleging that O’Hagan defrauded his law firm and
its client, Grand Met, by using for his own trading purposes material, nonpublic information
regarding Grand Met’s planned tender offer in violation of §10(b) of the Securities
We address * * * the Court of Appeals’ reversal of O’Hagan’s convictions under §10(b)
and Rule 10b-5. Following the Fourth Circuit’s lead, see [citation], the Eighth Circuit
rejected the misappropriation theory as a basis for § 10(b) liability. We hold, in accord with