MSA · Insider Trading
Mine Safety Incorporated
Every open-market purchase and sale reported by MSA officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-16 | William M Lambert | Director | G | −8,000 | — |
| 2026-09-14 | Diane M Pearse | Director | A | +20 | — |
| 2026-09-14 | Gregory B. Jordan | Director | A | +20 | — |
| 2026-09-14 | Sandra L. Phillips | Director | A | +10 | — |
| 2026-09-14 | Luca Savi | Director | A | +16 | — |
| 2026-09-01 | Julie A Beck | Chief Financial Officer | F | −140 | −$26.15K |
| 2026-08-11 | Nishan J. Vartanian | Director | Sell | −20,000 | −$3.88M |
| 2026-08-05 | Octavio Marquez | Director | A | +626 | — |
| 2026-08-05 | Jonathan D. Buck | Chief Accounting Officer | MIXED | −521 | −$89.58K |
| 2026-06-16 | Steven C. Blanco Sr. | CEO | F | −702 | −$112.24K |
| 2026-06-12 | Luca Savi | Director | A | +18 | — |
| 2026-06-12 | Julie A Beck | Chief Financial Officer | Buy | +448 | +$71.09K |
| 2026-06-12 | Gregory B. Jordan | Director | A | +22 | — |
| 2026-06-12 | Sandra L. Phillips | Director | A | +11 | — |
| 2026-06-12 | Diane M Pearse | Director | A | +22 | — |
| 2026-05-26 | Richard W Roda | Vice President, Secretary, CLO | G | −300 | −$50.33K |
| 2026-05-14 | Robert A Bruggeworth | Director | A | +899 | — |
| 2026-05-14 | Gregory B. Jordan | Director | A | +899 | — |
| 2026-05-14 | William M Lambert | Director | A | +899 | — |
| 2026-05-14 | Diane M Pearse | Director | A | +899 | — |
| 2026-05-14 | Sandra L. Phillips | Director | A | +899 | — |
| 2026-05-14 | Luca Savi | Director | A | +899 | — |
| 2026-05-14 | William R Sperry | Director | A | +899 | — |
| 2026-05-14 | Nishan J. Vartanian | Director | A | +899 | — |
| 2026-03-12 | Gregory B. Jordan | Director | A | +16 | — |
| 2026-03-12 | Diane M Pearse | Director | A | +16 | — |
| 2026-03-12 | Sandra L. Phillips | Director | A | +7 | — |
| 2026-03-12 | Luca Savi | Director | A | +12 | — |
| 2026-03-10 | Richard W Roda | Vice President, Secretary, CLO | A | +989 | — |
| 2026-03-10 | Steven C. Blanco Sr. | CEO | A | +8,745 | — |
| 2026-03-10 | David J Howells | Senior Vice President | A | +1,000 | — |
| 2026-03-10 | Nishan J. Vartanian | Director | A | +60,786 | — |
| 2026-03-10 | Stephanie L Sciullo | President | A | +6,077 | — |
| 2026-03-10 | Jonathan D. Buck | Chief Accounting Officer | A | +1,100 | — |
| 2026-03-10 | Steven C. Blanco Sr. | CEO | MIXED | +847 | −$756.10K |
| 2026-03-10 | Stephanie L Sciullo | President | MIXED | +1,113 | −$493.06K |
| 2026-03-10 | David J Howells | Senior Vice President | MIXED | +387 | −$67.50K |
| 2026-03-10 | Richard W Roda | Vice President, Secretary, CLO | MIXED | +268 | −$80.53K |
| 2026-03-10 | Jonathan D. Buck | Chief Accounting Officer | MIXED | +289 | −$90.61K |
| 2026-03-10 | Nishan J. Vartanian | Director | MIXED | +9,444 | −$4.71M |
| 2026-03-06 | Steven C. Blanco Sr. | CEO | A | +4,929 | — |
| 2026-03-06 | Julie A Beck | Chief Financial Officer | A | +1,912 | — |
| 2026-03-06 | Stephanie L Sciullo | President | A | +1,223 | — |
| 2026-03-06 | Richard W Roda | Vice President, Secretary, CLO | A | +962 | — |
| 2026-03-06 | Jonathan D. Buck | Chief Accounting Officer | A | +457 | — |
| 2026-02-18 | Jonathan D. Buck | Chief Accounting Officer | MIXED | −1,200 | −$223.83K |
| 2025-12-16 | William M Lambert | Director | G | −9,634 | — |
| 2025-12-11 | Diane M Pearse | Director | A | +19 | — |
| 2025-12-11 | Gregory B. Jordan | Director | A | +19 | — |
| 2025-12-11 | Luca Savi | Director | A | +15 | — |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| William M Lambert | Director | 67,876 | $12.52M |
| Nishan J. Vartanian | Director | 51,514 | $9.50M |
| Diane M Pearse | Director | 42,691 | $7.87M |
| Steven C. Blanco Sr. | CEO | 40,239 | $7.42M |
| Robert A Bruggeworth | Director | 38,456 | $7.09M |
| Stephanie L Sciullo | President | 11,419 | $2.11M |
| Richard W Roda | Vice President, Secretary, CLO | 10,003 | $1.84M |
| Sandra L. Phillips | Director | 8,959 | $1.65M |
| Gregory B. Jordan | Director | 8,361 | $1.54M |
| William R Sperry | Director | 8,167 | $1.51M |
| David J Howells | Senior Vice President | 7,103 | $1.31M |
| Lee B McChesney | Senior VP, CFO and Treasurer | 7,005 | $1.29M |
| Luca Savi | Director | 5,472 | $1.01M |
| Jonathan D. Buck | Chief Accounting Officer | 4,245 | $782.95K |
| Julie A Beck | Chief Financial Officer | 3,685 | $679.66K |
| Elyse L Brody | Interim CFO | 3,506 | $646.65K |
| Octavio Marquez | Director | 626 | $115.46K |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the MSA quote page; the site-wide leaderboard is on the insider transactions hub.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.