[Form 4] CuriosityStream Inc. Insider Trading Activity

Rhea-AI Filing Summary

Jonathan Huberman, a director of CuriosityStream Inc. (CURI), reported sales of Common Stock on September 2 and September 4, 2025. On 09/02/2025 he sold 15,807 shares at a weighted average price of $4.6024, and on 09/04/2025 he sold 25,000 shares at a weighted average price of $4.5507. After the reported transactions, the filing shows 1,333,576 shares beneficially owned by Mr. Huberman indirectly through 211 LV LLC. The Form 4 is signed by an attorney-in-fact on behalf of Mr. Huberman.

The filing discloses that the reported prices are weighted averages from multiple transactions within stated ranges and that Mr. Huberman may be deemed to share beneficial ownership of the securities held by 211 LV LLC while disclaiming beneficial ownership beyond any pecuniary interest.

Positive

• None.

Negative

• Director reported open-market sales of 40,807 shares on 09/02/2025 and 09/04/2025 at weighted-average prices near $4.55–$4.60.
• Some transaction detail is aggregated into weighted-average prices; per-price breakdowns are available only upon request per the footnotes.

Insights

Securities Analyst

Insider sales totaling 40,807 shares were disclosed; ownership remains concentrated via an LLC.

The Form 4 shows two discrete open-market sales: 15,807 shares on 09/02/2025 at a weighted average of $4.6024 and 25,000 shares on 09/04/2025 at a weighted average of $4.5507. Post-transactions beneficial ownership attributable to Mr. Huberman via 211 LV LLC is reported as 1,333,576 shares. The filing includes standard weighted-average price footnotes and an indirect ownership disclosure. For investors, the key facts are the sale quantities, the prices, and the continued indirect holding vehicle; the filing contains no information on the purpose of sales or any derivative transactions.

Corporate Governance Expert

Director sold shares but maintains large indirect stake through an LLC; disclosure follows Form 4 requirements.

The disclosure identifies Mr. Huberman as a director and reporting person and clarifies indirect ownership via 211 LV LLC with a customary disclaimer. Sales were reported with weighted-average prices and footnote commitments to provide per-price breakdowns on request. The filing does not report any amendments, derivative holdings, or intent to change governance roles. The information is routine and compliant with Section 16 reporting obligations.

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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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^*

HUBERMAN JONATHAN

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
09/02/2025

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	09/02/2025	09/02/2025	S		15,807	D	$4.6024(1)	1,358,576	I	By 211 LV LLC(2)
Common Stock	09/04/2025	09/04/2025	S		25,000	D	$4.5507(3)	1,333,576	I	By 211 LV LLC(2)
Common Stock								144,700	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

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.6 to $4.65, 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.

2. Mr. Huberman holds these securities indirectly as the reporting person and managing member of 211 LV LLC and may be deemed to share beneficial ownership of the securities held directly by 211 LV LLC, and disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.55 to $4.57, 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.

Remarks:

	/s/ P. Brady Hayden as attorney-in-fact for Jonathan Huberman	09/04/2025
	** 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 shares did Jonathan Huberman sell according to the Form 4 for CURI?

The Form 4 reports sales of 15,807 shares on 09/02/2025 at a weighted average price of $4.6024 and 25,000 shares on 09/04/2025 at a weighted average price of $4.5507.

How many CuriosityStream (CURI) shares does Mr. Huberman beneficially own after these transactions?

The filing reports 1,333,576 shares beneficially owned following the reported transactions, held indirectly through 211 LV LLC.

Does the Form 4 indicate direct or indirect ownership for Jonathan Huberman?

The Form 4 indicates indirect ownership through 211 LV LLC and includes a disclaimer about beneficial ownership beyond any pecuniary interest.

Are the reported sale prices exact per-trade prices?

No; the filing states the prices are weighted averages across multiple transactions within disclosed ranges and offers to provide per-price breakdowns upon request.

Who signed the Form 4 and when?

The Form 4 was signed by P. Brady Hayden as attorney-in-fact for Jonathan Huberman on 09/04/2025.