Form4insider filings, from the source

Company · CIK 0000066570 · SIC 3842 — Orthopedic, Prosthetic & Surgical Appliances & Supplies · NYSE

MSA Safety Inc · MSA

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $4.0M · 2net −$4.0M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 12Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 11, 2026 GForm 4 →Sep 16, 1:31 pm EDTWilliam M LambertDirector8,000——27,626— late
Sep 10, 2026 AForm 4 →Sep 14, 10:13 am EDTSandra L. PhillipsDirector11——8,960—
Sep 10, 2026 AForm 4 →Sep 14, 10:10 am EDTLuca SaviDirector16——5,473—
Sep 10, 2026 AForm 4 →Sep 14, 10:06 am EDTDiane M PearseDirector20——42,691—
Sep 10, 2026 AForm 4 →Sep 14, 10:01 am EDTGregory B. JordanDirector20——8,361—
Aug 31, 2026 FForm 4 →Sep 1, 3:41 pm EDTJulie A BeckChief Financial Officer140$186.77$26,1483,685—
Aug 7, 2026 SForm 4 →Aug 11, 9:53 am EDTNishan J. VartanianDirector20,000$193.99$3,879,73250,324−28.4%
Aug 4, 2026 AForm 4 →Aug 5, 1:57 pm EDTOctavio MarquezDirector626——626—
Aug 4, 2026 SForm 4 →Aug 5, 1:40 pm EDTJonathan D. BuckChief Accounting Officer469$191.00$89,5793,776−11.0%
Aug 4, 2026 GForm 4 →Aug 5, 1:40 pm EDTJonathan D. BuckChief Accounting Officer52——4,245—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.