MSA Safety (NYSE: MSA) CEO amends Form 4 for 8,745-share grant

Rhea-AI Filing Summary

Blanco Steven C. Sr. reported acquisition or exercise transactions in this Form 4 filing.

MSA Safety Inc CEO Steven C. Sr. Blanco reported an amended insider transaction reflecting a grant of 8,745 shares of common stock at no cost as a stock award. Following this adjustment, he directly owns 45,063 shares. The filing states the amendment corrects an earlier administrative error in the originally reported award and updated beneficial ownership.

Insights

Equity compensation analyst

Amended Form 4 shows routine equity award correction for MSA’s CEO.

CEO Steven C. Sr. Blanco received 8,745 shares of MSA Safety Inc common stock as a grant or award, increasing his direct holdings to 45,063 shares. The transaction price is reported as zero, consistent with compensation-related stock awards rather than open-market purchases.

The footnote explains this Form 4/A corrects an earlier administrative error in the number of performance stock unit shares previously reported, and adjusts the reported beneficial ownership accordingly. This makes the filing largely clerical, aligning the disclosed award and ownership levels with the actual figures.

Because the transaction is compensation-related and not an open-market buy or sell, it typically carries weaker signaling value for the company’s share price. The primary takeaway is accurate disclosure of the CEO’s stock-based compensation and updated ownership position as of the award date.

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

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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^*

Blanco Steven C. Sr.

(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
X	Officer (give title below)		Other (specify below)
	CEO

3. Date of Earliest Transaction (Month/Day/Year)
03/08/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)
03/10/2026

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	03/08/2026		A		8,745(1)	A	$0.0000	45,063	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:

1. This amendment is filed to amend the number of shares reported as awarded under performance stock units in the original Form 4, which amount was incorrect due to administrative error, and is deemed to amend the number of shares reported as securities beneficially owned following the reported transactions in Table I to reflect the correction.

	Richard W. Roda, Attorney in Fact	03/10/2026
	** 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 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) report for CEO Steven Blanco?

MSA Safety Inc reported that CEO Steven C. Sr. Blanco received a grant of 8,745 shares of common stock at no cost. This is a compensation-related stock award, not an open-market purchase, and updates his disclosed ownership position in the company.

Why was an amended Form 4 (4/A) filed for MSA (MSA)?

The amended Form 4 was filed to correct the number of shares previously reported as awarded under performance stock units. The company states the original amount was incorrect due to administrative error, so this amendment adjusts both the award figure and the CEO’s reported beneficial ownership.

How many MSA Safety shares does the CEO own after this award?

After the corrected stock award, CEO Steven C. Sr. Blanco is reported to beneficially own 45,063 shares of MSA Safety Inc common stock directly. This figure reflects the updated total following the 8,745-share grant disclosed in the amended Form 4 filing.

Was the MSA (MSA) CEO’s 8,745-share award an open-market purchase?

No, the 8,745-share transaction is reported as a grant or award at a per-share price of zero. This indicates stock-based compensation rather than an open-market purchase, so it reflects executive pay structure more than an active trading decision in the company’s shares.

Does the MSA Safety Form 4/A indicate a change in trading strategy?

The Form 4/A describes a correction to an equity award amount, not a new trading strategy. It updates the number of performance stock unit shares previously reported and the resulting beneficial ownership, making the filing primarily a disclosure correction rather than a signal of trading behavior.