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MIAX

MIAMI INTERNATIONAL HOLDINGS, INC.

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Tapewire entity
4026
SEC CIK
0001438472
Parsed reports
177

Last 12 months

Inside the activity.

4 purchase rows · 69 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202510
Jan 202600
Feb 202600
Mar 202636
Apr 2026013
May 202609
Jun 2026011
Jul 2026012
Aug 2026010
Sep 202607
Oct 202601

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 41,667 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 22

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,667

Underlying: Common Stock · 41,667 shares

Expires 2027-10-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 41,667 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 21

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 41,667 shares

Expires 2027-10-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 65,334 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 20

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,334

Underlying: Common Stock · 65,334 shares

Expires 2026-08-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 65,334 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 19

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 65,334 shares

Expires 2026-08-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 3,878 $0.00 Strike: $25.78 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 18

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,878

Underlying: Common Stock · 3,878 shares

Expires 2032-03-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 3,878 $0.00 Strike: $25.78 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 17

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 3,878 shares

Expires 2032-03-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 6,195 $0.00 Strike: $16.14 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 16

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,195

Underlying: Common Stock · 6,195 shares

Expires 2031-09-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 6,195 $0.00 Strike: $16.14 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 15

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 6,195 shares

Expires 2031-09-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 6,570 $0.00 Strike: $15.22 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 14

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,570

Underlying: Common Stock · 6,570 shares

Expires 2030-11-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 6,570 $0.00 Strike: $15.22 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 13

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 6,570 shares

Expires 2030-11-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 8,333 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 12

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,333

Underlying: Common Stock · 8,333 shares

Expires 2029-07-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 8,333 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 11

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 8,333 shares

Expires 2029-07-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 8,333 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 10

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,333

Underlying: Common Stock · 8,333 shares

Expires 2028-05-17

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 8,333 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 9

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 8,333 shares

Expires 2028-05-17

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 8,333 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 8

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,333

Underlying: Common Stock · 8,333 shares

Expires 2027-10-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 8,333 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 7

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 8,333 shares

Expires 2027-10-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 16,666 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 6

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,666

Underlying: Common Stock · 16,666 shares

Expires 2026-08-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
Exercise / conversionIncentive Stock Option (Right to Buy) · Derivative 16,666 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 5

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 16,666 shares

Expires 2026-08-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
ConversionNonvoting Common Stock · Derivative 200,475 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 4

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 200,475 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Represents 200,475 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.

F2 · shares: Represents 200,475 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.

F2 · derivative.exercise_date: Represents 200,475 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.

F2 · derivative.expiration_date: Represents 200,475 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
ConversionSeries B Preferred Stock · Derivative 500 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · derivative · entry 3

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents 500 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

F1 · shares: Represents 500 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

F1 · derivative.exercise_date: Represents 500 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

F1 · derivative.expiration_date: Represents 500 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
ConversionCommon Stock 200,475 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · nonDerivative · entry 2

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 339,029

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: Represents 200,475 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.

F2 · price: Represents 200,475 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:07 UTC
Brown ShellyEVP, Strat. Planning & BD
ConversionCommon Stock 500 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-25-040792 · wk-form4_1755634027.xml · nonDerivative · entry 1

Brown Shelly · CIK 0002080506 · EVP, Strat. Planning & BD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 339,029

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents 500 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

F1 · price: Represents 500 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 32,501 $0.00 Strike: $16.14 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 16

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,501

Underlying: Common Stock · 32,501 shares

Expires 2031-05-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 32,501 $0.00 Strike: $16.14 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 15

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 32,501 shares

Expires 2031-05-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 28,437 $0.00 Strike: $14.00 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 14

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,437

Underlying: Common Stock · 28,437 shares

Expires 2030-06-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 28,437 $0.00 Strike: $14.00 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 13

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 28,437 shares

Expires 2030-06-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 22,708 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 12

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,708

Underlying: Common Stock · 22,708 shares

Expires 2029-05-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 22,708 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 11

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 22,708 shares

Expires 2029-05-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 21,250 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 10

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,250

Underlying: Common Stock · 21,250 shares

Expires 2028-04-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 21,250 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 9

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 21,250 shares

Expires 2028-04-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 21,916 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 8

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,916

Underlying: Common Stock · 21,916 shares

Expires 2027-05-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 21,916 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 7

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 21,916 shares

Expires 2027-05-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 19,500 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 6

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,500

Underlying: Common Stock · 19,500 shares

Expires 2026-06-19

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 19,500 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 5

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 19,500 shares

Expires 2026-06-19

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC ConversionNonvoting Common Stock · Derivative 45,058 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 4

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 45,058 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Includes 45,058 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.

F2 · shares: Includes 45,058 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.

F2 · derivative.exercise_date: Includes 45,058 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.

F2 · derivative.expiration_date: Includes 45,058 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC ConversionSeries B Preferred Stock · Derivative 36,250 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · derivative · entry 3

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 36,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Includes 36,250 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

F1 · shares: Includes 36,250 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

F1 · derivative.exercise_date: Includes 36,250 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

F1 · derivative.expiration_date: Includes 36,250 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC ConversionCommon Stock 45,058 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · nonDerivative · entry 2

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,308

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: Includes 45,058 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.

F1 · price: Includes 36,250 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

F1 · balance_after: Includes 36,250 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

F2 · balance_after: Includes 45,058 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:05 UTC ConversionCommon Stock 36,250 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-25-040780 · wk-form4_1755633911.xml · nonDerivative · entry 1

Schwarzkopf Cynthia · CIK 0002080596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,308

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Includes 36,250 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

F1 · price: Includes 36,250 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

F1 · balance_after: Includes 36,250 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date.

F2 · balance_after: Includes 45,058 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:06 UTC
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 56,304 $0.00 Strike: $16.14 $0.00
Disclosure

SEC source: 0001628280-25-040790 · wk-form4_1755634008.xml · derivative · entry 26

Deitzel Edward · CIK 0002080671 · EVP, CRO, CCO MIAX Exchanges

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,304

Underlying: Common Stock · 56,304 shares

Expires 2031-09-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:06 UTC
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 56,304 $0.00 Strike: $16.14 $0.00
Disclosure

SEC source: 0001628280-25-040790 · wk-form4_1755634008.xml · derivative · entry 25

Deitzel Edward · CIK 0002080671 · EVP, CRO, CCO MIAX Exchanges

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 56,304 shares

Expires 2031-09-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:06 UTC
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 55,930 $0.00 Strike: $15.22 $0.00
Disclosure

SEC source: 0001628280-25-040790 · wk-form4_1755634008.xml · derivative · entry 24

Deitzel Edward · CIK 0002080671 · EVP, CRO, CCO MIAX Exchanges

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,930

Underlying: Common Stock · 55,930 shares

Expires 2030-11-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:06 UTC
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 55,930 $0.00 Strike: $15.22 $0.00
Disclosure

SEC source: 0001628280-25-040790 · wk-form4_1755634008.xml · derivative · entry 23

Deitzel Edward · CIK 0002080671 · EVP, CRO, CCO MIAX Exchanges

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 55,930 shares

Expires 2030-11-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:06 UTC
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 91,667 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040790 · wk-form4_1755634008.xml · derivative · entry 22

Deitzel Edward · CIK 0002080671 · EVP, CRO, CCO MIAX Exchanges

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,667

Underlying: Common Stock · 91,667 shares

Expires 2029-07-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:06 UTC
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 91,667 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040790 · wk-form4_1755634008.xml · derivative · entry 21

Deitzel Edward · CIK 0002080671 · EVP, CRO, CCO MIAX Exchanges

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 91,667 shares

Expires 2029-07-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:06 UTC
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 33,334 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040790 · wk-form4_1755634008.xml · derivative · entry 20

Deitzel Edward · CIK 0002080671 · EVP, CRO, CCO MIAX Exchanges

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,334

Underlying: Common Stock · 33,334 shares

Expires 2028-05-17

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:06 UTC
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 33,334 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040790 · wk-form4_1755634008.xml · derivative · entry 19

Deitzel Edward · CIK 0002080671 · EVP, CRO, CCO MIAX Exchanges

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 33,334 shares

Expires 2028-05-17

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:06 UTC
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 8,334 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040790 · wk-form4_1755634008.xml · derivative · entry 18

Deitzel Edward · CIK 0002080671 · EVP, CRO, CCO MIAX Exchanges

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,334

Underlying: Common Stock · 8,334 shares

Expires 2026-08-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:06 UTC
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 8,334 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040790 · wk-form4_1755634008.xml · derivative · entry 17

Deitzel Edward · CIK 0002080671 · EVP, CRO, CCO MIAX Exchanges

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Nonvoting Common Stock · 8,334 shares

Expires 2026-08-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:06 UTC
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 62,500 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040790 · wk-form4_1755634008.xml · derivative · entry 16

Deitzel Edward · CIK 0002080671 · EVP, CRO, CCO MIAX Exchanges

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,500

Underlying: Common Stock · 62,500 shares

Expires 2025-09-17

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:06 UTC
Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
Exercise / conversionNonqualified Stock Option (Right to Buy) · Derivative 62,500 $0.00 Strike: $12.00 $0.00
Disclosure

SEC source: 0001628280-25-040790 · wk-form4_1755634008.xml · derivative · entry 15

Deitzel Edward · CIK 0002080671 · EVP, CRO, CCO MIAX Exchanges

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Series B Preferred Stock · 62,500 shares

Expires 2025-09-17

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F3 · shares: The options were granted initially as the right to buy Nonvoting Common Stock or Series B Preferred Stock, as applicable. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock or Series B Preferred Stock, as applicable, for the same price and under the same conditions.

F4 · derivative.exercise_date: The options are fully vested.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.