13D Filing: Altai Capital and Servicesource International Inc. (SREV)

If the filing person has previously filed
a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule
because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box [o].

Note: Schedules filed in paper format
shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties
to whom copies are to be sent.

*The remainder of this cover page shall
be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for
any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder
of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange
Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject
to all other provisions of the Act (however, see the Notes).