CURI CEO reports RSU vesting and tax withholding; owns 2,735,750 shares

Rhea-AI Filing Summary

CuriosityStream (CURI) reported insider equity activity by President & CEO and Director Clint Stinchcomb on 11/11/2025. Two-thirds of a performance-based award vested, converting 603,333 RSUs to common stock (code M), and the company withheld 237,355 shares for taxes at $3.75 per share (code F). Following these transactions, Stinchcomb beneficially owned 2,735,750 shares directly.

The award was granted on October 9, 2024 for 905,000 RSUs. One-third (301,667 RSUs) vested on May 7, 2025 after the Board determined the company achieved more than $4,500,000 in adjusted free cash flow since October 1, 2024. On November 11, 2025, the Board determined the company achieved more than $9,000,000 in adjusted free cash flow between October 1, 2024 and September 30, 2025, triggering vesting of two-thirds (603,333 RSUs).

Insights

Equity Compensation Analyst

Performance RSUs vested after cash flow goals were met; adds shares and confirms cash generation progress, with standard tax-share withholding.

CuriosityStream reported that performance-based RSUs granted on October 9, 2024 fully vested after hitting cash flow targets. The board confirmed the first milestone (> $4,500,000 adjusted free cash flow since October 1, 2024) on May 7, 2025, vesting 301,667 RSUs. It then confirmed the second milestone (> $9,000,000 adjusted free cash flow between October 1, 2024 and September 30, 2025) on November 11, 2025, vesting 603,333 RSUs.

On November 11, 2025, 603,333 RSUs converted into common stock (code M). 237,355 shares were withheld for taxes at $3.75 per share (code F). Following these transactions, the reporting person directly owned 2,735,750 shares, and held 0 derivative securities from this award. The vesting confirms delivery against disclosed adjusted free cash flow goals while increasing outstanding equity through award settlement, partially offset by tax withholding.

Key watch items: disclosures of adjusted free cash flow in upcoming reports to understand sustainability, any additional equity awards in future compensation filings, and further Section 16 activity by the officer. The performance award referenced here is now fully vested as of November 11, 2025.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Stinchcomb Clinton Larry

(Last) (First) (Middle)

8484 GEORGIA AVE., SUITE 700

(Street)

SILVER SPRING MD 20910

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CuriosityStream Inc. [ CURI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
11/11/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/11/2025		M		603,333	A	(1)	2,973,105	D
Common Stock	11/11/2025		F		237,355(2)	D	$3.75	2,735,750	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	11/11/2025		M			603,333	(1)	(1)	Common Stock	603,333	(1)	0	D

Explanation of Responses:

1. On October 9, 2024, the Company granted Clinton Stinchcomb 905,000 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 301,667 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 603,333 RSUs.

2. Represents the withholding of shares of the Company's common stock for tax purposes in connection with the vesting of restricted stock units previously granted.

Remarks:

	/s/ P. Brady Hayden as attorney-in-fact for Clint Stinchcomb	11/13/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What did CURI’s CEO report on Form 4?

On 11/11/2025, 603,333 RSUs vested and converted to common stock (code M), and 237,355 shares were withheld for taxes at $3.75 (code F).

How many CuriosityStream shares does the CEO now own directly?

Following the reported transactions, Clint Stinchcomb beneficially owned 2,735,750 common shares directly.

What performance targets triggered the RSU vesting at CURI?

The Board determined the company exceeded $4,500,000 and then $9,000,000 in adjusted free cash flow over the stated periods, triggering vesting tranches.

How large was the original RSU award to CURI’s CEO?

The award granted on October 9, 2024 totaled 905,000 RSUs under the 2020 Omnibus Incentive Plan.

When did the first RSU tranche vest at CURI?

On May 7, 2025, one-third (301,667 RSUs) vested after the Board confirmed the first performance condition.

What was the tax withholding related to the vesting?

The company withheld 237,355 shares for taxes at a price of $3.75 per share in connection with the vesting.