Meridian3 Industrials (MIACU) director holds 25,000 Class B shares convertible to Class A

Rhea-AI Filing Summary

Meridian3 Industrials Acquisition Corp director Steven G. Osgood reported beneficial ownership of 25,000 Class B ordinary shares. These Class B shares will automatically convert into 25,000 Class A ordinary shares at the time of the company’s initial business combination, or earlier at the holder’s option, on a one-for-one basis. The Class B shares have no expiration date.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider OSGOOD STEVEN G

Role Director

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

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

Footnotes (1)

1. [object Object]

Key Figures

Class B shares held: 25,000 shares Underlying Class A shares: 25,000 shares Conversion price: $0.0000 per share

3 metrics

Class B shares held 25,000 shares Total Class B ordinary shares beneficially owned after reported holdings

Underlying Class A shares 25,000 shares Class A ordinary shares underlying the Class B shares on one-for-one basis

Conversion price $0.0000 per share Conversion or exercise price from Class B ordinary shares to Class A ordinary shares

Key Terms

Class B Ordinary Shares, Class A Ordinary Shares, initial business combination, registration statement

4 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.

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FAQ

What insider position did MIACU director Steven G. Osgood report on this Form 3?

Steven G. Osgood reported holding 25,000 Class B ordinary shares of Meridian3 Industrials Acquisition Corp. This Form 3 discloses his initial beneficial ownership position as a company director.

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

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

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

The filing states that 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.

What is the conversion rate from Class B to Class A shares for Meridian3 Industrials (MIACU)?

Each Class B ordinary share converts into one Class A ordinary share, on a one-for-one basis. This conversion occurs automatically at the initial business combination or earlier at the option of the holder, subject to any adjustments described.

Is there an exercise or conversion price on the Meridian3 Industrials (MIACU) Class B shares?

The data shows a conversion or exercise price of 0.0000 for the Class B ordinary shares into Class A ordinary shares. This indicates the conversion does not require additional cash consideration from the holder based on the disclosed information.

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^*

OSGOOD STEVEN G

(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)

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

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/ Steven G Osgood	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)