Charities Fear New Pay Limits Will Hurt Executive Donations

But many big Wall Street donors funnel money through private foundations, which must document annual grants through tax forms that offer a window into their charitable habits.

Morgan Stanley Chief Executive John Mack and his wife gave more than $8.6 million to charity in 2007 through their family foundation, according to the latest tax documents. Their gifts have gone to hospitals, historic preservation and charities aiding inner-city poor.