Here's 2015, where one of their associates used his contacts at the Fed Reserve (where he worked for 7 years right before coming to goldman) to gain confidential regulatory info:
Again 2015, when they got caught transmitting incorrect and incomplete data on 1/5th of their trades to FINRA (who monitors their activity to watch for violations of federal rules and regs):
Here's one from 2014 where the research division promised favorable research coverage in exchange for investment banking business:
http://www.usatoday.com/story/money/markets/2014/12/11/finra...
Here's one from 2011 where they promised to stop having "huddles" with some of their clients where they exchanged insider information:
http://www.reuters.com/article/us-goldmansachs-huddles-idUST...
Here's 2015, where one of their associates used his contacts at the Fed Reserve (where he worked for 7 years right before coming to goldman) to gain confidential regulatory info:
http://www.forbes.com/sites/antoinegara/2015/10/28/goldman-s...
Again 2015, when they got caught transmitting incorrect and incomplete data on 1/5th of their trades to FINRA (who monitors their activity to watch for violations of federal rules and regs):
http://www.bloomberg.com/news/articles/2015-07-27/goldman-fi...
Really.. just type goldman fine {year} into google. There's a lot of it.