P. Brady Hayden - 24 Jul 2026 Form 4 Insider Report for CuriosityStream Inc. (CURI)

Reporting relationship: Chief Financial Officer
Issuer ticker: CURI
Reported as of: 24 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 28 Jul 2026, 16:33:58 UTC
Prior SEC filing: 16 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ P. Brady Hayden

Key filing fact

P. Brady Hayden filed Form 4 for CuriosityStream Inc. (CURI) on 28 Jul 2026.

Key facts

This page summarizes P. Brady Hayden's Form 4 filing for CuriosityStream Inc. (CURI).
5 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 28 Jul 2026, 16:33.

Change

Previous filing in this sequence was filed on 16 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001938940 Primary reporting owner

Hayden Phillip Brady

Relationship: Chief Financial Officer
Address: 8484 GEORGIA AVENUE, SUITE 700, SILVER SPRING
Signature: /s/ P. Brady Hayden
Signature date: 28 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CURI transaction

Common Stock

Options Exercise

Transaction value
Shares: +17,500
Change %
Price
Shares after: 17,500
Date: 24 Jul 2026
Ownership: Direct
Footnotes: F1, F2

CURI transaction

Common Stock

Tax liability

Transaction value
Shares: -7,836
Change %: -45%
Price: $2.35^*
Shares after: 9,664
Date: 24 Jul 2026
Ownership: Direct
Footnotes: F3

CURI transaction

Common Stock

Gift

Transaction value
Shares: -9,664
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 27 Jul 2026
Ownership: Direct
Footnotes: F4

CURI transaction

Common Stock

Gift

Transaction value
Shares: +9,664
Change %: +14%
Price: $0.000000^*
Shares after: 80,931
Date: 27 Jul 2026
Ownership: Held by P. Brady Hayden Revocable Trust, of which Mr. Hayden is the trustee.
Footnotes: F4

CURI holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 25,000
Date: 24 Jul 2026
Ownership: Held by Plan Z, LLC, of which Mr. Hayden is managing member.

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CURI transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -17,500
Change %: -25%
Price
Shares after: 52,500
Date: 24 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 17,500
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

On July 25, 2025, the Company granted Mr. Hayden 70,000 restricted stock units ("RSUs") under the Company's 2020 Omnibus Incentive Plan. The RSUs granted may vest in four tranches of 17,500 each upon the date the Board determines that the applicable performance condition has been achieved: (i) the common stock of the Company achieves a 10-day volume weighted average price (VWAP) of $6.50; (ii) the common stock achieves a 10-day VWAP of $7.50; (iii) the common stock achieves a 10-day VWAP of $9.50; and (iv) the common stock achieves a 10-day VWAP of $11.50. In the event that the Performance Conditions are not met, the RSUs granted will vest in four equal installments of 17,500 on each of the first, second, third and fourth anniversaries of the grant date, and will be settled upon vesting (or within 30 days thereafter). All vesting events are subject to continued employment on each applicable vesting date.

Footnote F2

On July 24, 2026, 17,500 RSUs vested on the first anniversary of the grant date..

Footnote F3

Represents the withholding of shares of the Company's common stock for tax purposes in connection with the vesting of restricted stock units previously granted.

Footnote F4

Reflects the exempt transfer of 9,664 shares from Mr. Hayden to P. Brady Hayden Revocable Trust on July 27, 2026, for no consideration. The reporting person is trustee of the trust and the sole beneficiary of the trust. The reporting person remains the beneficial owner of the securities held by the trust.