Surfside /
Legacy Deep Fission
Surfside completes purchase of Legacy Deep Fission




Source for the buyer and target: DEEP FISSION, INC.
For the buyer and target.
“On September 5, 2025 (the “ Closing Date ”), Deep Fission, Inc., a private Delaware corporation (“ Legacy Deep Fission ”), Surfside and Deep Fission Acquisition Co., a Delaware corporation and wholly owned subsidiary of Deep Fission (“ Acquisition Sub ”) consummated the closing of the transactions contemplated by the Agreement and Plan of Merger and Reorganization, dated September 5, 2025, by and among Legacy Deep Fission, Surfside and Acquisition Sub (the “ Merger Agreement ”).”
Published 11 Sep 2025
Open the sourceWhat happened
Surfside completed its acquisition of Legacy Deep Fission, according to a filing dated Sept. 11, 2025. [01]
The source
Everything on this page comes from the source below, quoted word for word.
Surfside completes purchase of Legacy Deep Fission
This document is the source for the companies, stage and people on this page.
Open the sourceTimeline
Every date the source states, in order, each with the words it comes from. Anything marked ahead is a target the source gives, not something that has happened.
Announced
“Surfside completes purchase of Legacy Deep Fission Surfside completed its acquisition of Legacy Deep Fission, according to a filing dated Sept. 11, 2025”
Open the source
The same firms, in other deals
The firms' deal history and connections across other deals.
These firms' full profiles are part of Pro.
Get ProAlready a member? Sign in
Pro is open to everyone.
By email · Weekly