Facebook is reportedly pushing back its planned initial public offering (IPO) following a series of high-profile deals. Citing unnamed sources close to the company, CNBC is reporting that the company has moved its target date for the IPO from early to mid-May to as late as mid-June. The report credits the delay to a series of acquisitions which have occupied the attention of founder and CEO Mark Zuckerberg. The report claims that executives have been unable to devote the time necessary to prepare for the launch. A Facebook spokesperson delcined to comment on the report citing the company's ongoing IPO quiet period. Facebook made headlines earlier this month when it agreed to acquire photo-sharing service Instagram in a $1…