"These were individuals acting on their own without the knowledge of management," said Robert Baker, a Salomon spokesman.
A Salomon spokesman said that until now the firm's European business has not suffered since the scandal broke.
Robert Baker, a Salomon spokesman, declined to comment last night.
At the end of 1990, the unit's assets under management had totaled $8.2 billion, a Salomon spokesman said.
Last night, the Salomon spokesman said no other executives who had resigned had made similar transactions.
A Salomon spokesman said there was no plan to issue new securities to Berkshire.
A Salomon spokesman declined to comment yesterday on the changes.
Responding to inquiries, a Salomon spokesman said it was the firm's policy not to comment on employee compensation.
A Salomon spokesman declined to comment when asked about the new violations.
A Salomon spokesman declined last night to confirm the names of the suspended employees, but said that no new suspensions had taken place.