MasterBrand (NYSE: MBC) director Andrew Cogan files initial Form 3

Rhea-AI Filing Summary

MasterBrand, Inc. director Andrew B. Cogan filed an initial Form 3 as a reporting person for the company’s securities. The filing lists him as a director and not a ten percent owner, and it does not report any specific share holdings or insider transactions.

Key Terms

Form 3, reporting person, ten percent owner

3 terms

Form 3 regulatory

"Andrew B. Cogan filed an initial Form 3 as a reporting person"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

reporting person regulatory

"filed an initial Form 3 as a reporting person for the company’s securities"

ten percent owner financial

"it lists him as a director and not a ten percent owner"

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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^*

Cogan Andrew B

(Last) (First) (Middle)

3300 ENTERPRISE PARKWAY

SUITE 300

(Street)

BEACHWOOD OHIO 44122

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
05/28/2026

3. Issuer Name and Ticker or Trading Symbol
MasterBrand, Inc. [ MBC ]

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

Explanation of Responses:

Remarks:

Exhibit List: Exhibit 24: Power of Attorney

No securities are beneficially owned.

	/s/ Andrean R. Horton, Attorney-in-Fact for Andrew B. Cogan	06/01/2026
	** 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)

FAQ

What does Andrew B. Cogan’s Form 3 mean for MasterBrand (MBC)?

Andrew B. Cogan’s Form 3 identifies him as a reporting insider at MasterBrand, Inc. It shows he serves as a director and is not a ten percent owner, and it reports no buy, sell, or other insider transactions at this time.

Does the MasterBrand (MBC) Form 3 show any insider share transactions?

No insider share transactions are shown in this Form 3 for MasterBrand, Inc. The transaction summary lists zero buys, zero sells, and no derivative exercises, gifts, or tax-withholding events, indicating only an initial reporting status for the director.

What insider role does Andrew B. Cogan have at MasterBrand (MBC)?

Andrew B. Cogan is listed as a director of MasterBrand, Inc. in the Form 3. The filing marks him as a director, not an officer and not a ten percent owner, establishing his status as a reporting person under SEC rules for the company’s securities.

Does the Form 3 for MasterBrand (MBC) disclose current share holdings?

The Form 3 does not disclose any specific share holdings for Andrew B. Cogan. The holding entries count is zero and no non-derivative or derivative positions are detailed, so the filing only establishes his reporting status without quantifying ownership.

Are there any derivative securities reported in MasterBrand (MBC) Form 3?

No derivative securities are reported for Andrew B. Cogan in this Form 3. The derivative summary is empty and the derivative transaction count is zero, indicating no options, warrants, or similar derivative positions are disclosed in this initial filing.