A new SEC filing posted Friday gives more clarity about what led up to Microsoft acquiring LinkedIn for over $26 billion.

It shows that the talks between LinkedIn CEO Jeff Weiner and Microsoft CEO Satya Nadella began on February 16 of this year, just 12 days after the earnings debacle where LinkedIn shares plummeted.

And then it references, not one, but four other unnamed companies and details LinkedIn s conversations with them.

It has already been reported that Salesforce made a bid for LinkedIn.

This works out to hundreds of millions of dollars deducted from the acquisition price .

It is unclear to what degree these other bidders were serious contenders or if they were just interested in getting a detailed look at LinkedIn s financial picture and competitive strategies.

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