[Form 4] MSA Safety Inc Insider Trading Activity

Rhea-AI Filing Summary

MSA Safety Inc. President Stephanie L. Sciullo reported two dispositions of common stock on 09/11/2025, selling a total of 4,700 shares in two transactions: 1,700 shares at $172.465 and 3,000 shares at $172.33. After these sales she beneficially owns 11,444 shares, down from 14,444 shares before the transactions. The report was filed individually and lists Richard W. Roda as attorney-in-fact.

Positive

• None.

Negative

• President sold 4,700 shares in two transactions, reducing beneficial ownership from 14,444 to 11,444 shares.
• No derivative securities reported on the Form 4, indicating these were outright disposals rather than option exercises or swaps.

Insights

Corporate Governance Expert

TL;DR: Insider sales by the company president reduced holdings but show no accompanying derivative activity.

The president reported outright disposals totaling 4,700 common shares across two cash sale transactions, leaving 11,444 shares beneficially owned. The Form 4 shows direct ownership changes only; there are no derivative positions reported. From a governance perspective, routine disclosure of such sales meets Section 16 requirements but offers limited insight into management’s long-term view absent additional context such as a prearranged plan or pattern of sales.

Securities Analyst

TL;DR: Transaction is a straightforward insider sale with clear quantities and prices; impact appears neutral without more context.

The reported prices are $172.465 and $172.33 for 1,700 and 3,000 shares respectively. The filing does not indicate option exercises, grants, or purchases to offset these sales. For investors, insider selling of this scale is a datapoint but not conclusive on its own; the Form 4 contains factual, timely disclosure required by Section 16.

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

OMB APPROVAL

OMB Number:			3235-0287
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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^*

Sciullo Stephanie L

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
09/11/2025

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	09/11/2025		D		1,700	D	$172.465	14,444	D
Common Stock, no par value	09/11/2025		D		3,000	D	$172.33	11,444	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	09/12/2025
	** 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.
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.

FAQ

What shares did MSA (MSA) President Stephanie Sciullo sell?

She sold a total of 4,700 common shares in two transactions: 1,700 shares at $172.465 and 3,000 shares at $172.33 on 09/11/2025.

How many MSA (MSA) shares does the reporting person own after the sale?

Following the reported transactions the reporting person beneficially owns 11,444 shares.

Was the Form 4 filed individually or jointly for MSA (MSA)?

The Form 4 was filed by one reporting person (individual filing).

Did the Form 4 for MSA (MSA) report any derivative transactions or option activity?

No. Table II for derivative securities contains no reported transactions; only direct dispositions of common stock are reported.

Who signed or submitted the Form 4 for the reporting person?

The filing lists Richard W. Roda, Attorney in Fact as the individual who signed on behalf of the reporting person.