News has just reached the home front that Peter has made it to the summit this morning!

This is confirmed by Namgya Sherpa on his Facebook:

Hurry! Congratulations!Congratulations!! Congratulations!!! Fantastic news Grand Himalaya Treks Mt.Everest expedition team member Peter Boogaard from Netherlands reached the top of the world at 04: 15 Nepal time along with Pasang Sherpa & Dawa Finjhok Sherpa. Fantastic job everyone to making it under 7 hours from Camp 3. My cousin brother Nurbu Sherpa & his wife from Swiss were on the summit too. I wish all team members for safe descent.
I will keep posting up dates.
Post from Tibet/ China Everest Base Camp

They currently on their way down. Updates will follow later today/ tonight!