STOCK TITAN

Market Technology Sponsor discloses 25.9% ownership stake

Market Technology Acquisition Sponsor LLC and Jonathan David Slone report beneficial ownership of 7,285,833 Ordinary Shares of Market Technology Acquisition Corp, representing 25.9% of the 28,045,833 Ordinary Shares outstanding as of July 27, 2026.

(Moderate)
(Neutral)
Form Type
SCHEDULE 13D

Rhea-AI Filing Summary

Market Technology Acquisition Sponsor LLC and Jonathan David Slone report beneficial ownership of 7,285,833 Ordinary Shares of Market Technology Acquisition Corp, representing 25.9% of the 28,045,833 Ordinary Shares outstanding as of July 27, 2026. The stake consists of 452,500 Class A Ordinary Shares held through private placement units and 6,833,333 Class B Founder Shares that are automatically convertible into Class A Ordinary Shares on a one-for-one basis in connection with the initial business combination.

The aggregate purchase price for these securities was $4,550,000, funded from the Sponsor’s working capital, including 7,666,667 Founder Shares originally bought for $25,000 and 452,500 placement units at $10.00 per unit. Each placement unit includes one Class A Ordinary Share and one-half of a redeemable warrant, with each whole warrant exercisable into one Class A Ordinary Share at an exercise price of $11.50 after the business combination.

The Sponsor and Mr. Slone have agreed to vote their Founder Shares, shares underlying the placement units, and any public shares they hold in favor of an initial business combination and not to redeem such shares in related shareholder votes. Their securities are subject to lock-up restrictions and are excluded from liquidating distributions if no business combination occurs, while the Sponsor has indemnity obligations designed to protect at least $10.05 per public share in the SPAC trust account.

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Beneficial ownership 7,285,833 Ordinary Shares Ordinary Shares beneficially owned by Sponsor and Jonathan David Slone
Ownership percentage 25.9% Portion of 28,045,833 Ordinary Shares outstanding as of July 27, 2026
Total Ordinary Shares outstanding 28,045,833 Ordinary Shares 21,212,500 Class A and 6,833,333 Class B as of July 27, 2026
Placement units purchased 452,500 units Units purchased by Sponsor at IPO-related private placement
Placement unit price $10.00 per Placement Unit Price paid by Sponsor for each private placement unit
Aggregate purchase price $4,550,000 Total cost of Ordinary Shares beneficially owned by the Reporting Persons
Warrant exercise price $11.50 per share Exercise price for each whole redeemable warrant in placement units
Trust protection floor $10.05 per public share Trust Account protection level the Sponsor agreed to support via indemnity
Founder Shares financial
"On April 28, 2026, 7,666,667 Class B Ordinary Shares (the "Founder Shares") were purchased"
Founder shares are the ownership stakes given to the people who start a company, often with extra voting power or protections compared with ordinary shares. For investors, they matter because founders’ control and incentives influence decisions about strategy, hiring, and whether the company sells or stays independent — like a family that keeps majority voting rights in a household decision. High founder ownership can mean stable leadership but also a risk that outside shareholders have less influence.
Placement Units financial
"the Sponsor purchased 452,500 units ("Placement Units") of the Issuer at $10.00 per Placement Unit"
Trust Account financial
"the Issuer's trust account set up in connection with the IPO (the "Trust Account")"
A trust account is a special bank or brokerage account where assets are held and managed by a designated person or firm (the trustee) for the benefit of another person or group (the beneficiary). It matters to investors because it separates assets from personal or corporate funds, can protect assets, control how and when money is used, and may affect tax or legal rights—think of it as a locked drawer opened only under agreed rules.
registration rights agreement financial
"entered into a registration rights agreement with the Issuer, pursuant to which the Sponsor was granted certain demand"
A registration rights agreement is a contract that gives investors the option to have their ownership stakes officially registered with the government, making it easier to sell their shares later. This agreement matters because it provides investors with a clearer path to cash out their investments if they choose, offering more liquidity and confidence in their ability to sell their holdings when desired.
blank check company financial
"The Issuer is a blank check company formed for the purpose of effecting a merger"
A blank check company is a publicly listed shell that raises money from investors before naming a specific business to buy or merge with, similar to handing a cashier a signed check and asking them to fill in the payee later. It matters to investors because it offers a faster, often cheaper path for private firms to become public, but carries extra risk since returns depend on the organizers’ ability to find a good deal and on limited information about the future business.
Insider Letter financial
"entered into a letter agreement (the "Insider Letter"). Pursuant to the Insider Letter, the Sponsor and Mr. Slone agreed"

FAQ

How much of Market Technology Acquisition Corp (MTAKU) do the Sponsor and Jonathan Slone own?

They beneficially own 7,285,833 Ordinary Shares, representing 25.9% of the 28,045,833 Ordinary Shares outstanding as of July 27, 2026, through Founder Shares and private placement units.

What types of shares do the Market Technology Acquisition (MTAKU) Sponsor and Jonathan Slone hold?

Their holdings include 452,500 Class A Ordinary Shares from placement units and 6,833,333 Class B Founder Shares, which are automatically convertible one-for-one into Class A Ordinary Shares at the initial business combination.

What did the Market Technology Acquisition (MTAKU) Sponsor pay for its 25.9% stake?

The aggregate purchase price was $4,550,000, funded from the Sponsor’s working capital, including $25,000 for Founder Shares and 452,500 placement units purchased at $10.00 per unit.

What voting and redemption commitments has the MTAKU Sponsor made?

The Sponsor and Jonathan Slone agreed to vote all Founder, placement and certain public shares in favor of any proposed business combination and not redeem such shares in connection with votes on the initial business combination or key charter amendments.

How are MTAKU public shareholders’ trust funds protected according to the Sponsor’s agreement?

The Sponsor agreed to indemnify the company so that claims do not reduce the trust account below $10.05 per public share (or a lower specified amount), net of permitted withdrawals and taxes, subject to certain waivers by vendors or target businesses.

What lock-up restrictions apply to the MTAKU Sponsor’s securities?

Founder Shares and securities underlying the 452,500 placement units are subject to a lock-up, generally prohibiting transfer until 30 days after the consummation of the initial business combination, with limited exceptions described in the Insider Letter.

What is the deadline for MTAKU to complete a business combination?

The company must complete a business combination within 21 months from the completion of the IPO, unless an earlier or later date is approved under its amended and restated memorandum and articles of association.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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G58A7W104

(CUSIP Number)
Jonathan Slone
616 Mill Road,
Rhinebeck, NY, 12572
(917) 362-1067

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
07/27/2026

(Date of Event Which Requires Filing of This Statement)


If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




schemaVersion:


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) Includes 452,500 of the Issuer's Class A ordinary shares, $0.0001 par value ("Class A Ordinary Shares") and 6,833,333 of the Issuer's Class B ordinary shares, $0.0001 par value ("Class B Ordinary Shares" and, together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares at the time of the Issuer's initial business combination on a one-for-one basis, or at the option of the holder at any time prior to the Issuer's initial business combination, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-296835).The 452,500 Class A Ordinary Shares are included in units (each unit consisting of one Class A Ordinary Share and one-half of one redeemable warrant, each whole warrant exercisable into one Class A Ordinary Share commencing 30 days after the consummation of the Issuer's initial business combination), acquired by and between Market Technology Acquisition Sponsor LLC (the "Sponsor") pursuant to a Private Placement Units Purchase Agreement by and between the Sponsor and the Issuer. Jonathan Slone, the Chief Executive Officer and Chairman of the Issuer is the managing member of the Sponsor and accordingly Mr. Slone may be deemed to have beneficial ownership of the securities reported herein. Mr. Slone disclaims any ownership of securities reported herein other than to the extent of any pecuniary interest he may have therein, directly or indirectly.


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) Includes 452,500 of the Issuer's Class A ordinary shares, $0.0001 par value ("Class A Ordinary Shares") and 6,833,333 of the Issuer's Class B ordinary shares, $0.0001 par value ("Class B Ordinary Shares" and, together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares at the time of the Issuer's initial business combination on a one-for-one basis, or at the option of the holder at any time prior to the Issuer's initial business combination, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-296835).The 452,500 Class A Ordinary Shares are included in units (each unit consisting of one Class A Ordinary Share and one-half of one redeemable warrant, each whole warrant exercisable into one Class A Ordinary Share commencing 30 days after the consummation of the Issuer's initial business combination), acquired by Market Technology Acquisition Sponsor LLC (the "Sponsor") pursuant to a Private Placement Units Purchase Agreement by and between the Sponsor and the Issuer. Jonathan Slone, the Chief Executive Officer and Chairman of the Issuer is the managing member of the Sponsor and accordingly Mr. Slone may be deemed to have beneficial ownership of securities reported herein. Mr. Slone disclaims any ownership of the securities reported herein other than to the extent of any pecuniary interest he may have therein, directly or indirectly.


SCHEDULE 13D


Market Technology Acquisition Sponsor LLC
Signature:/s/ Jonathan David Slone
Name/Title:Jonathan David Slone/Authorized Person
Date:08/03/2026
Jonathan David Slone
Signature:/s/ Jonathan David Slone
Name/Title:Jonathan David Slone/Chief Executive Officer
Date:08/03/2026