He was cleared of any wrongdoing and continued to lead the Milton Keynes outfit as team principal and CEO throughout the matter.
The ongoing saga shows no signs of slowing down, with rumours of both a Max Verstappen and Helmut Marko exit swirling around the paddock in Saudi Arabia.
But the saga still lingers away from the circuits. In a post which has received over 150,000 likes, Horner left his comments turned on for a Mother's Day tribute, which was a surprise to many.
One fan even said 'the audacity' in response to the Brit's heartfelt tribute.
Many other fans were also shocked, plenty receiving likes after posting replies in a similar style saying they could not wait to read the comments.
Another fan left a comment saying 'what a joke...' but there was also support for Horner, including one post reading "I support you boss"
In wishing his wife a happy Mother’s Day, he said “Happy Mother’s Day - So appreciative of the mums in our family for everything they do. We’re always grateful, today and every day.”