CuriosityStream CEO buys 20,000 shares at $2.603

CuriosityStream Inc. (CURI) reported that President and CEO, and director, Clinton Larry Stinchcomb purchased 20,000 shares of Common Stock on August 28, 2026 in an open-market or private transaction.

Rhea-AI Filing Summary

CuriosityStream Inc. (CURI) reported that President and CEO, and director, Clinton Larry Stinchcomb purchased 20,000 shares of Common Stock on August 28, 2026 in an open-market or private transaction. The weighted average purchase price was $2.603 per share, bringing his directly held position to 3,021,260 shares.

Insider Trade Summary

Net Buyer: 20,000 shares

Net Buy 1 txn

Insider Stinchcomb Clinton Larry

Role President and CEO

Bought 20,000 shs ($52K)

Type	Security	Shares	Price	Value
Purchase	Common Stock F1	20,000	$2.603	$52K

Holdings After Transaction: Common Stock — 3,021,260 shares (Direct)

Footnotes (1)

1. F1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.56 to $2.62, 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.

Key Figures

Shares purchased: 20,000 shares of Common Stock Weighted average purchase price: $2.603 per share Purchase price range: $2.56 to $2.62 per share +2 more

5 metrics

Shares purchased 20,000 shares of Common Stock Non-derivative purchase on August 28, 2026

Weighted average purchase price $2.603 per share Open-market or private purchase on August 28, 2026

Purchase price range $2.56 to $2.62 per share Multiple transactions included in the 20,000-share purchase

Shares owned after transaction 3,021,260 shares of Common Stock Direct ownership following the August 28, 2026 purchase

Transaction code P Purchase in open market or private transaction

Key Terms

weighted average price, open market or private transaction, non-derivative

3 terms

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

open market or private transaction financial

"transaction_code_description":"Purchase in open market or private transaction"

non-derivative financial

"transaction_type":"non-derivative"

FAQ

What did CURI CEO Clinton Larry Stinchcomb report in this Form 4 transaction?

He purchased 20,000 shares of CuriosityStream Inc. Common Stock on August 28, 2026, in an open-market or private transaction, at a weighted average price of $2.603 per share.

How many CURI shares does Clinton Larry Stinchcomb own after this reported trade?

After the reported purchase, Clinton Larry Stinchcomb directly owns 3,021,260 shares of CuriosityStream Inc. Common Stock, as disclosed in the Form 4 filing.

At what prices were the CURI shares actually bought in this Form 4 filing?

The Form 4 states the weighted average price was $2.603 per share. The 20,000 shares were purchased in multiple transactions at prices ranging from $2.56 to $2.62 per share, inclusive.

Was the CURI CEO’s Form 4 purchase under a Rule 10b5-1 trading plan?

No. The filing indicates the Rule 10b5-1 checkbox is not checked, and the footnote does not state that the trades were made pursuant to a Rule 10b5-1 trading plan.

What type of security did the CURI Form 4 transaction involve?

The transaction involved Common Stock of CuriosityStream Inc., reported as a non-derivative security acquired in a purchase transaction.

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Available on EDGAR 09/01/2026 - 12:30 PM Accepted by SEC EDGAR 09/01/2026 - 12:29 PM 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)
08/28/2026

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	08/28/2026		P		20,000	A	$2.603(1)	3,021,260	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

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 $2.56 to $2.62, 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.

Remarks:

	/s/ P. Brady Hayden as attorney-in-fact for Clint Stinchcomb	08/31/2026
	** 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)