Trio traded on inside information about pending mergers and acquisitions
Firm and executive settled charges with SEC, SDNY
Umbrella group aims to establish minimum global standards for sector
Banker tipped pal with inside info on potential M&A deals
Proposal aims to address concerns about competitiveness of smaller brokers
Deadlines for large investors to report portfolio changes cut under rule changes
SEC, SDNY file securities fraud and conspiracy charges
Firm admitted insider trading, abusive market conduct
Trading ahead of pending merger deals led to SEC charges
Former OpenSea product manager sanctioned for scheme