Deep Fission, Inc.: enters master energy purchase agreement

What happened On Oct 20, 2026, Deep Fission, Inc. announced that it had entered into a Master Energy Purchase Agreement with the Great Plains Development Authority relating to a planned commercial nuclear power project at the Great Plains Industrial Park in Parsons, Kansas. The company also held an investor update call on Oct 20, 2026 and furnished the investor presentation used on the call as Exhibit 99.2; the press release announcing the Agreement was furnished as Exhibit 99.1.

Key details

• Agreement relates to a planned commercial nuclear power project at the Great Plains Industrial Park in Parsons, Kansas.
• Agreement is subject to regulatory approvals and other conditions to commercial operation.
• Electricity purchases under the Agreement will depend on actual tenant demand, with no minimum purchase obligation.
• Press release is furnished as Exhibit 99.1 and investor presentation is furnished as Exhibit 99.2.

Why it may matter The filing reports Item 7.01 Regulation FD Disclosure, which covers the press release and investor presentation about the Master Energy Purchase Agreement. The filing also includes Item 9.01 listing the exhibits. The filing does not show why the insider traded or why the company acted.