CuriosityStream CEO buys 30,000 company shares

Rhea-AI Filing Summary

CuriosityStream Inc. director and President & CEO Clinton Larry Stinchcomb reported an open-market purchase of 30,000 shares of common stock on May 26, 2026 at a weighted average price of $2.668 per share, bringing his direct common stock holdings to 2,851,260 shares.

He also continues to hold 1,200,000 unvested restricted stock units (RSUs) from a 2025 performance-based award, each RSU representing one common share. Earlier tranches vested after the company achieved 35% year-over-year revenue growth for the first half of 2025, and then 40% revenue growth and 35% adjusted free cash flow growth for full-year 2025 versus 2024.

Insider Trade Summary

Net Buyer: 30,000 shares

Net Buy 2 txns

Insider Stinchcomb Clinton Larry

Role President and CEO

Bought 30,000 shs ($80K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	30,000	$2.668	$80K
holding	Restricted Stock Units	--	--	--

Holdings After Transaction: Common Stock — 2,851,260 shares (Direct); Restricted Stock Units — 1,200,000 contracts (Direct)

Footnotes (3)

1. F1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.59 to $2.70, 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 purchased at each separate price within the ranges set forth in this footnote to this Form 4.
2. F2. 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 and will be settled upon vesting (or within 30 days thereafter). All vesting events are subject to continued employment on each applicable vesting date. The RSUs granted are performance-based, subject to the Company achieving certain stock price or financial performance goals.
3. F3. 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. On March 10, 2026, the Board determined that the Company met the second performance condition of the award by achieving 40% revenue growth and 35% adjusted free cash flow growth for the full year 2025 compared to 2024, and thereby triggering the vesting of the second tranche of the Award, or 600,000 RSUs. Mr. Stinchcomb now has 1,200,000 remaining unvested RSUs under the award as reported in Table II.

Key Figures

Shares purchased: 30,000 shares Purchase price: $2.668 per share Common shares held: 2,851,260 shares +5 more

8 metrics

Shares purchased 30,000 shares Open-market common stock purchase on May 26, 2026

Purchase price $2.668 per share Weighted average price; trades from $2.59 to $2.70

Common shares held 2,851,260 shares Direct common stock holdings after the transaction

Unvested RSUs 1,200,000 units Remaining unvested performance-based RSUs from 2025 award

Original RSU grant 2,400,000 units Performance-based RSUs granted July 15, 2025

H1 2025 revenue growth 35% Year-over-year revenue growth Jan 1–Jun 30, 2025 vs. 2024

Full-year 2025 revenue growth 40% Revenue growth for 2025 compared to 2024

Full-year 2025 adjusted free cash flow growth 35% Adjusted free cash flow growth for 2025 vs. 2024

Key Terms

Restricted Stock Units, tandem dividend equivalent rights, 2020 Omnibus Incentive Plan, performance-based, +1 more

5 terms

Restricted Stock Units financial

"The company granted Mr. Stinchcomb 2,400,000 restricted stock units (RSUs) with tandem dividend equivalent rights"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tandem dividend equivalent rights financial

"2,400,000 restricted stock units (RSUs) with tandem dividend equivalent rights under the 2020 Omnibus Incentive Plan"

2020 Omnibus Incentive Plan financial

"RSUs with tandem dividend equivalent rights under the 2020 Omnibus Incentive Plan"

performance-based financial

"The RSUs granted are performance-based, subject to the Company achieving certain stock price or financial performance goals"

adjusted free cash flow financial

"achieving 40% revenue growth and 35% adjusted free cash flow growth for the full year 2025 compared to 2024"

Adjusted free cash flow is the amount of money a company generates from its operations after accounting for essential expenses and investments, like maintaining or upgrading equipment. It shows how much cash is truly available to grow the business, pay debts, or return to shareholders, helping investors see the company's financial health more clearly.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did CuriosityStream (CURI) CEO Clinton Stinchcomb report in this Form 4?

Clinton Stinchcomb reported buying 30,000 CuriosityStream common shares. The open-market purchase on May 26, 2026 was at a weighted average price of $2.668 per share, increasing his direct holdings to 2,851,260 common shares.

How many CuriosityStream (CURI) shares does the CEO hold after this transaction?

After the reported purchase, the CEO directly holds 2,851,260 common shares. This figure reflects his position following the 30,000-share open-market buy disclosed for May 26, 2026 in the Form 4 filing.

What price did the CuriosityStream (CURI) CEO pay for the purchased shares?

The CEO paid a weighted average price of $2.668 per share. Footnotes explain the 30,000 shares were bought in multiple trades, with prices ranging from $2.59 to $2.70 per share on May 26, 2026.

What performance-based RSUs does the CuriosityStream (CURI) CEO still hold?

The CEO holds 1,200,000 remaining unvested restricted stock units (RSUs). These RSUs come from a 2,400,000-unit performance award granted July 15, 2025, with vesting tied to specific stock price or financial performance goals under the 2020 Omnibus Incentive Plan.

What financial goals triggered earlier RSU vesting at CuriosityStream (CURI)?

Two performance milestones triggered vesting of 1,200,000 RSUs in total. The first 600,000 vested after 35% year-over-year revenue growth for January–June 2025, and another 600,000 vested after 40% revenue growth and 35% adjusted free cash flow growth for full-year 2025 vs. 2024.

How many performance-based RSUs were originally granted to the CuriosityStream (CURI) CEO?

The company granted the CEO 2,400,000 performance-based RSUs on July 15, 2025. Each RSU equals one common share and is settled upon vesting, with all vesting events conditioned on continued employment and achievement of stock price or financial performance goals.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/28/2026 - 04:01 PM EDT Learn about SEC filing dates

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
Estimated average burden
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 MARYLAND 20910

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/26/2026

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

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

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

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	05/26/2026		P		30,000	A	$2.668(1)	2,851,260	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	(2)(3)							(2)(3)	(2)(3)	Common Stock	1,200,000		1,200,000(2)(3)	D

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.59 to $2.70, 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 purchased at each separate price within the ranges set forth in this footnote to this Form 4.

2. 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 and will be settled upon vesting (or within 30 days thereafter). All vesting events are subject to continued employment on each applicable vesting date. The RSUs granted are performance-based, subject to the Company achieving certain stock price or financial performance goals.

3. 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. On March 10, 2026, the Board determined that the Company met the second performance condition of the award by achieving 40% revenue growth and 35% adjusted free cash flow growth for the full year 2025 compared to 2024, and thereby triggering the vesting of the second tranche of the Award, or 600,000 RSUs. Mr. Stinchcomb now has 1,200,000 remaining unvested RSUs under the award as reported in Table II.

Remarks:

	/s/ P. Brady Hayden as attorney-in-fact for Clint Stinchcomb	05/28/2026
	** 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.
* Form 4: SEC 1474 (03-26)