I need information about MERCH, PFIZER, GLAXO SMITH KLINE, NOVARTIS and JOHNSON & JOHNSON Announcements of important events the last five years (5 years): *dividends *stock repurchases *issuing bonds

I need information about MERCH, PFIZER, GLAXO SMITH KLINE, NOVARTIS and JOHNSON & JOHNSON Announcements of important events the last five years (5 years): *dividends *stock repurchases *issuing bonds *issuing new shares *merger and acquisitions *other important announcements depending on each companies’ situations