The post Cumberland Pharmaceuticals, Inc. (CPIX) and Recro Pharma Inc (REPH) Lead 9 Notable Investor Filings appeared first on InvestorPlace . Here are 9 recent notable filings: New Passive Investor Filings Cumberland Pharmaceuticals Inc. (NASDAQ: CPIX ) - Stonepine Capital Management, LLC has filed a new SC 13G, reporting a 6.80% ownership stake in Cumberland Pharmaceuticals. There is considerable academic research that suggest activist investors contribute to excess returns in equities in the subsequent twelve months after the event.