Meridian3 Industrials (MIACU) CFO discloses 25,000 Class B shares convertible to Class A

Rhea-AI Filing Summary

Meridian3 Industrials Acquisition Corp Chief Financial Officer Jeffrey H. Foster reported beneficial ownership of 25,000 Class B ordinary shares. These Class B shares will automatically convert into 25,000 Class A ordinary shares upon the company’s initial business combination, or earlier at his option, on a one-for-one basis as described in the registration statement.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider FOSTER JEFFREY H

Role Chief Financial Officer

Type	Security	Shares	Price	Value
holding	Class B Ordinary Shares	--	--	--

Holdings After Transaction: Class B Ordinary Shares — 25,000 shares (Direct)

Footnotes (1)

1. F1. The Class B ordinary shares reported herein will automatically convert into Class A ordinary shares at the time of the Meridian3 Industrials Acquisition Corp's ("Issuer") initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to adjustment as described in the Issuer's registration statement. The Class B ordinary shares have no expiration date.

Key Figures

Class B shares held: 25,000 shares Underlying Class A shares: 25,000 shares Conversion ratio: 1-for-1 +1 more

4 metrics

Class B shares held 25,000 shares Total Class B ordinary shares directly owned by CFO after report

Underlying Class A shares 25,000 shares Class A ordinary shares issuable upon conversion of Class B shares

Conversion ratio 1-for-1 Class B ordinary shares convert into Class A ordinary shares

Exercise/Conversion price $0.0000 per share Stated exercise or conversion price for Class B into Class A

Key Terms

Class B Ordinary Shares, Class A Ordinary Shares, initial business combination, registration statement, +1 more

5 terms

Class B Ordinary Shares financial

"The Class B ordinary shares reported herein will automatically convert into Class A ordinary shares"

Class B ordinary shares are a type of ownership stake in a company that typically come with different voting rights or privileges compared to other share classes. For investors, they represent a way to hold part of the company’s value and influence its decisions, often with fewer voting rights than Class A shares. Understanding these shares helps investors assess their level of control and potential returns within a company.

Class A Ordinary Shares financial

"will automatically convert into Class A ordinary shares at the time of the Meridian3 Industrials Acquisition Corp's initial business combination"

Class A ordinary shares are a type of ownership stake in a company that typically grants voting rights to shareholders, allowing them to have a say in important company decisions. They often come with priority in receiving dividends or profits, making them attractive to investors seeking influence and potential income. These shares help distinguish different levels of ownership and rights within a company's stock structure.

initial business combination financial

"will automatically convert into Class A ordinary shares at the time of the Meridian3 Industrials Acquisition Corp's initial business combination"

An initial business combination is the deal in which a special-purpose acquisition company (SPAC) merges with or acquires an operating business to bring that business onto public markets. Think of the SPAC as an empty shell that raises money from investors, then uses that cash to buy a private company—this transaction turns the private company into a public one and often changes its ownership, valuation, and access to capital, so investors should watch for shifts in risk, future growth prospects, and shareholder rights.

registration statement regulatory

"subject to adjustment as described in the Issuer's registration statement"

A registration statement is a formal document that companies file with a government agency to offer new shares of stock to the public. It provides essential information about the company's finances, operations, and risks, helping investors make informed decisions. Think of it as a detailed product description that ensures transparency and trust before buying into a company.

automatically convert financial

"The Class B ordinary shares reported herein will automatically convert into Class A ordinary shares"

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Available on EDGAR 07/04/2026 - 12:13 PM Accepted by SEC EDGAR 07/01/2026 - 02:04 PM Learn about SEC filing dates

FAQ

What did Meridian3 Industrials (MIACU) CFO Jeffrey Foster report on this Form 3?

Jeffrey H. Foster reported beneficial ownership of 25,000 Class B ordinary shares. This Form 3 serves as an initial statement of his holdings in Meridian3 Industrials Acquisition Corp as a company officer.

How many shares does the Meridian3 Industrials (MIACU) CFO hold according to the filing?

The filing shows Jeffrey H. Foster holds 25,000 Class B ordinary shares directly. These shares are structured to convert into an equal number of Class A ordinary shares under the conditions described in the registration statement.

How do Meridian3 Industrials (MIACU) Class B ordinary shares convert to Class A?

The Class B ordinary shares automatically convert into Class A ordinary shares at the time of Meridian3 Industrials’ initial business combination, or earlier at the holder’s option, on a one-for-one basis, subject to adjustment described in the registration statement.

Do Meridian3 Industrials (MIACU) Class B ordinary shares held by the CFO have an expiration date?

The filing states the Class B ordinary shares have no expiration date. They remain outstanding until converted into Class A ordinary shares in connection with the company’s initial business combination or an earlier holder‑elected conversion.

Is there a transaction, purchase, or sale in this Meridian3 Industrials (MIACU) Form 3?

The Form 3 functions as an initial ownership report and does not show a specific buy or sell transaction. It records that the CFO beneficially owns 25,000 Class B ordinary shares that are convertible into Class A shares.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

FOSTER JEFFREY H

(Last) (First) (Middle)

1330 AVENUE OF THE AMERICAS, SUITE 23A

(Street)

NEW YORK CITY NEW YORK 10019

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
07/01/2026

3. Issuer Name and Ticker or Trading Symbol
Meridian3 Industrials Acquisition Corp [ MIAC ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class B Ordinary Shares(1)	(1)	(1)	Class A Ordinary Shares(1)	25,000	$0.00	D

Explanation of Responses:

1. The Class B ordinary shares reported herein will automatically convert into Class A ordinary shares at the time of the Meridian3 Industrials Acquisition Corp's ("Issuer") initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to adjustment as described in the Issuer's registration statement. The Class B ordinary shares have no expiration date.

	/s/ Jeffrey H Foster	07/01/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (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 3: SEC 1473 (03-26)