MSA Safety (MSA) director updates holdings after 19.564-share acquisition

Rhea-AI Filing Summary

MSA Safety Inc. reported a small insider share acquisition by a director. On 12/10/2025, the director acquired 19.564 shares of MSA Safety common stock at a stated price of $0.0000 per share, indicating a non-cash transaction such as a grant or similar award. Following this transaction, the director directly beneficially owns 41,732.327 shares of common stock. The filing is made on Form 4 by a single reporting person in the capacity of director, reflecting a routine update to insider ownership records.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

PEARSE DIANE M

(Last) (First) (Middle)

1000 CRANBERRY WOODS DRIVE

(Street)

CRANBERRY WOODS TOWNSHIP PA 16066

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MSA Safety Inc [ MSA ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/10/2025

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

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, no par value	12/10/2025		A		19.564	A	$0.0000	41,732.327	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	Richard W. Roda, Attorney in Fact	12/11/2025
	** 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 4 (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.
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FAQ

What insider transaction did MSA (MSA) disclose in this Form 4?

The company disclosed that a director acquired 19.564 shares of MSA Safety common stock on 12/10/2025 at a stated price of $0.0000 per share.

What is the directors total MSA Safety (MSA) shareholding after the transaction?

After the reported transaction, the director directly beneficially owns 41,732.327 shares of MSA Safety common stock.

What role does the reporting person have at MSA Safety (MSA)?

The reporting person is identified as a director of MSA Safety Inc. and filed the Form 4 in that capacity.

Was the MSA (MSA) Form 4 filed by one or multiple reporting persons?

The Form 4 was filed by one reporting person, as indicated in the filing.

What type of security was involved in the MSA (MSA) insider transaction?

The transaction involved common stock, no par value, of MSA Safety Inc.

Does this MSA (MSA) Form 4 show any derivative securities activity?

No derivative securities are shown as acquired or disposed of; the table for derivative securities does not list any transactions.

Who signed the MSA (MSA) Form 4 filing?

The Form 4 was signed by Richard W. Roda as Attorney in Fact on 12/11/2025.