[Form 4] CuriosityStream Inc. Insider Trading Activity

Rhea-AI Filing Summary

CuriosityStream Inc. President and CEO Clint Stinchcomb filed a Form 4 reporting recent stock transactions and performance-based equity awards.

He reported open-market sales of common stock on three dates: 63,674 shares on 11/20/2025 at a weighted average price of $4.92, 12,872 shares on 11/21/2025 at $4.60, and 141,206 shares on 11/24/2025 at a weighted average price of $4.653. After these sales, he beneficially owned 2,517,998 shares of common stock, held directly. The filing notes the sales were made for estate and tax planning purposes.

The filing also describes a grant on July 15, 2025 of 2,400,000 performance-based restricted stock units to Mr. Stinchcomb under the company’s 2020 Omnibus Incentive Plan, each RSU representing one share of common stock with dividend equivalent rights. On August 4, 2025, the board determined that a first performance condition was met by achieving 35% year-over-year revenue growth for the period January 1 through June 30, 2025, which triggered vesting of the first 600,000 RSUs, leaving 1,800,000 RSUs outstanding and subject to continued employment and future performance goals.

Insights

Equity Compensation Analyst

CEO reports stock sales for planning purposes and partial vesting of a large performance-based RSU award.

The filing shows that **CuriosityStream Inc.** President and CEO **Clint Stinchcomb** sold a total of 217,752 shares of common stock on 11/20/2025, 11/21/2025, and 11/24/2025 at weighted average prices around $4.60–$4.98. After these sales, he directly holds 2,517,998 common shares. The footnotes state the sales were made for estate and tax planning purposes, which gives a disclosed, non-operational reason for the transactions.

The filing also reports a large, performance-based equity grant. On July 15, 2025, the company granted Mr. Stinchcomb 2,400,000 restricted stock units (RSUs), each representing one share of common stock, with dividend equivalent rights, under the 2020 Omnibus Incentive Plan. The award vests based on achieving stock price or financial performance goals and continued employment. On August 4, 2025, the board determined that the first performance condition was met by achieving 35% year-over-year revenue growth for the period January 1 through June 30, 2025, which triggered vesting of 600,000 RSUs; 1,800,000 RSUs remain unvested and outstanding.

The combination of disclosed revenue growth performance and substantial remaining unvested RSUs ties a significant portion of the CEO’s future compensation to ongoing performance and tenure, while the reported share sales modestly reduce, but do not eliminate, his direct common stock holdings. A key item to watch over the term of his employment agreement is how many of the remaining 1,800,000 RSUs ultimately vest under the stated performance and service conditions.

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)
11/20/2025

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	11/20/2025		S		63,674(1)	D	$4.92(2)	2,672,076	D
Common Stock	11/21/2025		S		12,872(1)	D	$4.6	2,659,204	D
Common Stock	11/24/2025		S		141,206(1)	D	$4.653(3)	2,517,998	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	(4)(5)							(4)(5)	(4)(5)	Common Stock	1,800,000		1,800,000	D

Explanation of Responses:

1. Sales were made for estate and tax planning purposes.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.90 to $4.98, inclusive. The reporting person undertakes to provide to CuriosityStream Inc., any security holder of CuriosityStream Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.60 to $4.735, inclusive. The reporting person undertakes to provide to CuriosityStream Inc., any security holder of CuriosityStream Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

4. On July 15, 2025, the Company granted Mr. Stinchcomb 2,400,000 restricted stock units (RSUs) with tandem dividend equivalent rights under the 2020 Omnibus Incentive Plan. Each RSU represents the right to receive one share of common stock. The RSUs granted are performance-based, subject to the Company achieving certain stock price or financial performance goals. On August 4, 2025, the Board determined that the Company met the first performance condition of the award by achieving 35% year-over-year revenue growth for the period January 1 through June 30, 2025, compared to the same period in 2024, and thereby triggering the vesting of the first tranche of the Award, or 600,000 RSUs.

5. All vesting is subject to continued employment on the applicable vesting date and any RSUs not earned during the term of Mr. Stinchcomb's employment agreement ("Agreement") will be cancelled. The dividend equivalents rights entitle Mr. Stinchcomb to payout of dividends accrued on each unvested RSU to the extent such RSUs vest and are distributed under the Agreement.

Remarks:

	/s/ P. Brady Hayden as attorney-in-fact for Clint Stinchcomb	11/24/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did CuriosityStream (CURI) report in this Form 4 filing?

The filing reports that President and CEO Clint Stinchcomb sold shares of CuriosityStream Inc. common stock in several transactions and provides details on a previously granted performance-based RSU award, including the vesting of its first tranche after revenue growth targets were met.

How many CuriosityStream (CURI) shares did the CEO sell and at what prices?

Clint Stinchcomb reported selling 63,674 shares on 11/20/2025 at a weighted average price of $4.92, 12,872 shares on 11/21/2025 at $4.60, and 141,206 shares on 11/24/2025 at a weighted average price of $4.653. The filing notes that these prices reflect multiple trades within specified ranges.

How many CuriosityStream (CURI) shares does the CEO own after these transactions?

Following the reported stock sales, Clint Stinchcomb is shown as beneficially owning 2,517,998 shares of CuriosityStream Inc. common stock, held directly.

What performance-based RSU grant did CuriosityStream (CURI) give its CEO?

On July 15, 2025, CuriosityStream granted Clint Stinchcomb 2,400,000 restricted stock units (RSUs) under the 2020 Omnibus Incentive Plan. Each RSU represents the right to receive one share of common stock and carries tandem dividend equivalent rights, with vesting tied to stock price or financial performance goals and continued employment.

What revenue performance triggered RSU vesting for CuriosityStream (CURI) CEO?

On August 4, 2025, the board determined that CuriosityStream achieved 35% year-over-year revenue growth for the period January 1 through June 30, 2025 compared to the same period in 2024. This achievement triggered vesting of the first 600,000 RSUs from the CEO’s performance-based award.

How many RSUs remain outstanding for the CuriosityStream (CURI) CEO after the first tranche vested?

After the first 600,000 RSUs vested upon meeting the revenue growth condition, 1,800,000 RSUs remain outstanding for Clint Stinchcomb, as shown in the derivative securities table. These RSUs are still subject to continued employment and future performance conditions.

Why does the filing say the CuriosityStream (CURI) CEO sold shares?

The explanation section states that the sales were made for estate and tax planning purposes, providing context for the CEO’s disposition of CuriosityStream common stock.