KEY POINTS
  • Start-up SoFi is offering to make Twitter COO Anthony Noto its CEO, a source familiar with the situation told CNBC.
  • A decision is likely in the next few days, the source says.
  • Twitter's stock is up more than 40 percent over last 12 months.

Shares of Twitter slipped more than 1 percent in early trading Monday after reports over the weekend that Twitter's COO Anthony Noto is in discussions to leave for another company.

Noto is among those being considered to be the next CEO of SoFi, a start-up building a digital lending business, CNBC confirmed.