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CuriosityStream (CURI) CEO increases stake with new share purchase

Filing Impact
(Neutral)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

CuriosityStream Inc. President and CEO Clinton Larry Stinchcomb bought 25,744 shares of common stock in the open market at a weighted average price of $2.777 per share, bringing his direct holdings to 2,971,260 shares.

He also holds 1,200,000 unvested restricted stock units (RSUs), part of a 2,400,000-RSU performance award granted in 2025. Earlier tranches vested after the company achieved 35% year-over-year revenue growth for the first half of 2025 and full-year 40% revenue growth and 35% adjusted free cash flow growth versus 2024.

Positive

  • The company achieved 35% year-over-year revenue growth for the first half of 2025 and full-year 40% revenue growth with 35% adjusted free cash flow growth versus 2024, performance strong enough to trigger vesting of significant RSU tranches.

Negative

  • None.

Insights

CEO makes a modest open-market share purchase alongside sizable performance-based equity.

CuriosityStream’s President and CEO, Clinton Stinchcomb, executed an open-market purchase of 25,744 common shares at a weighted average of $2.777 per share, increasing his direct stake to 2,971,260 shares. Open-market buys typically signal confidence, but the absolute size is small relative to his position.

Footnotes describe a 2,400,000-RSU performance grant, with 1,200,000 RSUs still unvested tied to future conditions. Earlier tranches vested after the company delivered 35% revenue growth for the first half of 2025 and full-year 40% revenue growth and 35% adjusted free cash flow growth versus 2024. These metrics indicate strong recent operating performance that supported the award’s vesting.

The filing shows Stinchcomb retaining a large equity exposure through both common stock and unvested RSUs. Subsequent disclosures in periodic reports will provide more context on whether similar growth rates are sustained and how performance-based awards evolve over future periods.

Insider Stinchcomb Clinton Larry
Role President and CEO
Bought 25,744 shs ($71K)
Type Security Shares Price Value
Purchase Common Stock 25,744 $2.777 $71K
holding Restricted Stock Units -- -- --
Holdings After Transaction: Common Stock — 2,971,260 shares (Direct, null); Restricted Stock Units — 1,200,000 shares (Direct, null)
Footnotes (1)
  1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.75 to $2.78, 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. 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. 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.
Open-market purchase 25,744 shares Common Stock bought on May 28, 2026
Purchase price $2.777 per share Weighted average; trades between $2.75 and $2.78
Shares owned after 2,971,260 shares Total direct common stock holdings post-transaction
Unvested RSUs 1,200,000 units Remaining performance-based RSUs under 2025 award
Original RSU grant 2,400,000 RSUs Granted July 15, 2025 under 2020 Omnibus Incentive Plan
H1 2025 revenue growth 35% Year-over-year growth January 1–June 30, 2025 vs 2024
Full-year 2025 revenue growth 40% Revenue growth 2025 vs 2024
Full-year 2025 adjusted FCF growth 35% Adjusted free cash flow growth 2025 vs 2024
Restricted Stock Units financial
"On July 15, 2025, 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
"restricted stock units (RSUs) with tandem dividend equivalent rights under the 2020 Omnibus Incentive Plan"
adjusted free cash flow financial
"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.
weighted average price financial
"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions"
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.
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
President and CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock05/28/2026P25,744A$2.777(1)2,971,260D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(2)(3) (2)(3) (2)(3)Common Stock1,200,0001,200,000(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 $2.75 to $2.78, 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 Stinchcomb06/01/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR

FAQ

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

Clinton Stinchcomb reported buying additional CuriosityStream common shares in the open market. He purchased 25,744 shares at a weighted average price of $2.777 per share, increasing his direct ownership stake to 2,971,260 shares of common stock.

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

After the reported transaction, Clinton Stinchcomb directly owns 2,971,260 CuriosityStream common shares. This figure reflects his position following the open-market purchase of 25,744 shares at a weighted average price of $2.777 per share disclosed in the filing.

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

The CEO paid a weighted average price of $2.777 per share for 25,744 CuriosityStream shares. A footnote explains these were bought in multiple trades, with individual prices ranging between $2.75 and $2.78 per share across those separate purchase transactions.

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

Clinton Stinchcomb has 1,200,000 unvested restricted stock units remaining from a 2,400,000-RSU performance award. Each RSU represents one common share and will settle upon vesting, provided employment continues and specified stock price or financial performance conditions are satisfied.

What results triggered the vesting of CuriosityStream (CURI) CEO performance RSUs?

The RSU tranches vested after CuriosityStream achieved 35% year-over-year revenue growth for the first half of 2025, then 40% full-year revenue growth and 35% adjusted free cash flow growth in 2025 versus 2024, meeting the performance conditions described for the award.

When was the large CuriosityStream (CURI) RSU grant to the CEO originally made?

The company granted Clinton Stinchcomb 2,400,000 restricted stock units on July 15, 2025, under its 2020 Omnibus Incentive Plan. Each RSU carries tandem dividend equivalent rights and is scheduled to settle upon vesting or within 30 days afterward, subject to continued employment.