The deadline was on August 1st.

https://meta.wikimedia.org/wiki/Grants:TPS/Wikimania_scholars#Reporting

> Note that the deadline to submit your report August 1, so please do create your report by that date. Please feel free to contact me if you have any questions.   Also, if we do not receive areport from you, your application for a future scholarship to Wikimania will not be considered.

On Wed, Aug 24, 2016 at 1:34 PM Andy Mabbett <andy@pigsonthewing.org.uk> wrote:

I was lucky enouigh to receive a partial scholarship to Wikimania this year.

I've a vague feeling I'm required to submit a report about how I
benefited. Where should I do this?

--
Andy Mabbett
@pigsonthewing
http://pigsonthewing.org.uk