P. Brady Hayden - 11 Nov 2025 Form 4 Insider Report for CuriosityStream Inc. (CURI)

Role: Chief Financial Officer
Signature: /s/ P. Brady Hayden
Issuer symbol: CURI
Transactions as of: 11 Nov 2025
Net transactions value: $0
Form type: 4
Filing time: 13 Nov 2025, 16:47:09 UTC
Previous filing: 10 Nov 2025
Next filing: 17 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Hayden Phillip Brady	Chief Financial Officer	8484 GEORGIA AVENUE, SUITE 700, SILVER SPRING	/s/ P. Brady Hayden	13 Nov 2025	0001938940

Transactions Table

Type	Sym	Class	Transaction	Shares	Change %	Shares After	Date	Ownership	Footnotes
transaction	CURI	Common Stock	Options Exercise	+101,667		101,667	11 Nov 2025	Direct	F1
transaction	CURI	Common Stock	Gift	-101,667	-100%	0	12 Nov 2025	Direct	F2
transaction	CURI	Common Stock	Gift	+101,667	+488%	122,484	12 Nov 2025	Held by P. Brady Hayden Revocable Trust, of which Mr. Hayden is the trustee.	F2
holding	CURI	Common Stock				25,000	11 Nov 2025	Held by Plan Z, LLC, of which Mr. Hayden is managing member.

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CURI	Restricted Stock Units	Options Exercise		-101,667	-100%		0	11 Nov 2025	Common Stock	101,667		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On October 9, 2024, the Company granted Brady Hayden 152,500 performance-based restricted stock units ("RSUs") under the 2020 Omnibus Incentive Plan (the "Award"). Each RSU represents a contingent right to receive one share of common stock. On May 7, 2025, the Board determined that the Company met the first performance condition of the Award, for having then achieved more than $4,500,000 in adjusted free cash flow since October 1, 2024, and thereby triggering the vesting of one-third of the Award, or 50,833 RSUs. On November 11, 2025, the Board determined that the Company met the second performance condition of the Award, by achieving more than $9,000,000 in adjusted free cash flow between October 1, 2024 and September 30, 2025, and thereby triggering the vesting of two-thirds of the Award, or 101,667 RSUs.
F2	Reflects the exempt transfer of 101,667 shares from Mr. Hayden to P. Brady Hayden Revocable Trust on November 12, 2025 for no consideration. The reporting person is trustee of the trust, and the reporting person is the sole beneficiary of the trust. The reporting person remains the beneficial owner of the securities held by the trust.

Content

On October 9, 2024, the Company granted Brady Hayden 152,500 performance-based restricted stock units ("RSUs") under the 2020 Omnibus Incentive Plan (the "Award"). Each RSU represents a contingent right to receive one share of common stock. On May 7, 2025, the Board determined that the Company met the first performance condition of the Award, for having then achieved more than $4,500,000 in adjusted free cash flow since October 1, 2024, and thereby triggering the vesting of one-third of the Award, or 50,833 RSUs. On November 11, 2025, the Board determined that the Company met the second performance condition of the Award, by achieving more than $9,000,000 in adjusted free cash flow between October 1, 2024 and September 30, 2025, and thereby triggering the vesting of two-thirds of the Award, or 101,667 RSUs.

Reflects the exempt transfer of 101,667 shares from Mr. Hayden to P. Brady Hayden Revocable Trust on November 12, 2025 for no consideration. The reporting person is trustee of the trust, and the reporting person is the sole beneficiary of the trust. The reporting person remains the beneficial owner of the securities held by the trust.