MSA Safety
Ownership
Ownership Structure
Who owns MSA Safety (MSA)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 93.8% of the shares are freely tradable; institutional investors hold 95.1%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 8.43 | 3,251,717 | +2.3 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.78 | 1,842,263 | +0.0 | 03/31/2026 |
| Ruane, Cunniff & Goldfarb L.P. | 4.46 | 1,721,415 | -3.1 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.42 | 1,703,783 | +0.0 | 03/31/2026 |
| State Street Corp | 3.99 | 1,538,690 | -3.9 | 03/31/2026 |
| APG Asset Management | 3.88 | 1,497,591 | +0.0 | 03/31/2026 |
| Apg All Pensions Group | 3.88 | 1,497,591 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.29 | 1,270,630 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.18 | 1,227,772 | +0.3 | 07/31/2026 |
| Vanguard Small Cap Index | 2.30 | 887,548 | +0.2 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Vartanian Nishan J. | Director | 50,324 | 8,992,899 $ | Aug 7, 2026 | direct |
| Pearse Diane M | Director | 42,691 | 7,628,915 $ | Sep 10, 2026 | direct |
| Lambert William M | Director | 27,626 | 4,936,766 $ | Sep 14, 2026 | direct |
| Phillips Sandra L. | Director | 8,960 | 1,601,114 $ | Sep 10, 2026 | direct |
| Jordan Gregory B. | Director | 8,361 | 1,494,146 $ | Sep 10, 2026 | direct |
| Savi Luca | Director | 5,473 | 977,988 $ | Sep 10, 2026 | direct |
| Buck Jonathan D. | Chief Accounting Officer | 3,776 | 674,771 $ | Aug 4, 2026 | direct |
| Beck Julie A | Chief Financial Officer | 3,685 | 658,510 $ | Aug 31, 2026 | direct |
| Marquez Octavio | Director | 626 | 111,866 $ | Aug 4, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 14, 2026 | Lambert William M | Director | Other | 6,000 | 0.00 | – |
| Sep 11, 2026 | Lambert William M | Director | Other | 2,000 | 0.00 | – |
| Sep 10, 2026 | Phillips Sandra L. | Director | Other | 11 | 0.00 | – |
| Sep 10, 2026 | Savi Luca | Director | Other | 16 | 0.00 | – |
| Sep 10, 2026 | Pearse Diane M | Director | Other | 20 | 0.00 | – |
| Sep 10, 2026 | Jordan Gregory B. | Director | Other | 20 | 0.00 | – |
| Aug 31, 2026 | Beck Julie A | Chief Financial Officer | Other | 140 | 186.77 | 26,148 |
| Aug 7, 2026 | Vartanian Nishan J. | Director | Sell | 20,000 | 193.99 | 3,879,732 |
| Aug 4, 2026 | Marquez Octavio | Director | Other | 626 | 0.00 | – |
| Aug 4, 2026 | Buck Jonathan D. | Chief Accounting Officer | Sell | 469 | 191.00 | 89,579 |
| Aug 4, 2026 | Buck Jonathan D. | Chief Accounting Officer | Other | 52 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.