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A

$ Value

$0

Shares

1,100

Price

$0

Filed

Mar 10

Insider

Name

Buck Jonathan D.

Title

Chief Accounting Officer

CIK

0001803573

Roles

Officer

Transaction Details

Transaction Date

2026-03-08

Code

A

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

4,791

Footnotes

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.

Filing Info

Accession No.

0001225208-26-003469

Form Type

4/A

Issuer CIK

0000066570

Buck Jonathan D.'s History

Date Ticker Type Value
2026-03-08 MSA A $0
2026-03-08 MSA F $32K
2026-03-08 MSA F $58K
2026-03-08 MSA A $0
2026-03-04 MSA A $0
2026-02-17 MSA G $0
2026-02-17 MSA $224K
2025-11-25 MSA $54K
2025-08-31 MSA F $72K
2025-05-30 MSA A $0

Other Insiders at MSA (90d)

Insider Bought Sold Last
PEARSE DIANE M 2026-03-10
BECK JULIE A
Chief Financial Officer
2026-03-04
Savi Luca 2026-03-10
Blanco Steven C. Sr.
CEO
2026-03-08
Vartanian Nishan J. 2026-03-08
Jordan Gregory B. 2026-03-10
Phillips Sandra L. 2026-03-10
Sciullo Stephanie L
President
2026-03-08
Buck Jonathan D.
Chief Accounting Officer
$224K 2026-03-08
Roda Richard W
Vice President, Secretary, CLO
2026-03-08
Howells David J
Senior Vice President
2026-03-08