CuriosityStream Inc.

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Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(b) Departure of Chief Financial Officer

On August 26, 2026, CuriosityStream, Inc. (the "Company") announced that Brady Hayden will step down from his position as Chief Financial Officer of the Company, effective September 1, 2026. Mr. Hayden’s departure is not the result of any disagreement with the Company, its management, the Board of Directors (the "Board"), or any matter relating to the Company's operations, policies, or practices.

(c) Appointment of Chief Financial Officer

On August 26, 2026, the Company announced that the Board has appointed Sean Piche, CPA, as Chief Financial Officer of the Company, effective September 1, 2026. Mr. Piche succeeds Mr. Hayden and will report directly to Clint Stinchcomb, the Company’s President and Chief Executive Officer. As Chief Financial Officer, Mr. Piche will oversee the Company’s finance organization, direct financial strategy, manage capital allocation, and align the finance function with the Company's growth objectives.

Mr. Piche, age 52, brings 30 years of finance and accounting experience across media, entertainment, technology, and telecommunications. Prior to his appointment, Mr. Piche provided CFO services to growth companies. Previously, he served as a Partner and Global Media & Entertainment Co-Leader at CFGI, and spent nearly a decade as a Partner at Ernst & Young LLP (EY), advising leading media and technology companies on financial strategy, reporting, and transactions. Earlier in his career, Mr. Piche held senior finance roles at NBCUniversal and Viacom. Mr. Piche is a Certified Public Accountant and holds a B.S. in Accounting from Binghamton University.

(d) Compensatory Arrangements

In connection with his appointment, the Company entered into an employment offer letter with Mr. Piche (the "Offer Letter"). Pursuant to the Offer Letter, Mr. Piche will receive:

•Base Salary: An annualized base salary of $120,000 for the remainder of 2026, increasing to $180,000 effective January 1, 2027.

•Annual Bonus: Annual performance bonus equal to 100% of base salary, calculated based on the Company’s business plan and performance against approved budgets and goals and prorated for a partial year of service during start year

•Equity Incentive: 150,000 restricted stock units under the Company's Inducement Equity Incentive Plan, one half (75,000) vesting on the one-year anniversary of the award date and the remainder vesting in increments of 25,000 units on each of the second, third and fourth anniversaries of the award date.

There are no family relationships between Mr. Piche and any director or executive officer of the Company, and there are no transactions between Mr. Piche and the Company reportable under Item 404(a) of Regulation S-K.

The foregoing description of the Offer Letter does not purport to be complete and is qualified in its entirety by reference to the full text of the Offer Letter, a copy of which is attached hereto as Exhibit 10.1 and incorporated herein by reference.

A copy of the press release announcing Mr. Piche's appointment is attached as Exhibit 99.1 and incorporated herein by reference.