MINE SAFETY APPLIANCES CO (MSA) is a publicly traded company in the Unknown sector. Across all available filings, 33 corporate insiders have executed 1020 transactions totaling $186.9M, demonstrating a bearish sentiment with -$186.9M in net insider flow. The most recent transaction on Dec 12, 2025 involved a transaction of 9,634 shares valued at $0.
No significant insider buying has been recorded for MSA in the recent period.
No significant insider selling has been recorded for MSA in the recent period.
Based on recent SEC filings, insider sentiment for MSA is bearish with an Insider Alignment Score of 0/100 and a net flow of -$186.9M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at MINE SAFETY APPLIANCES CO (MSA) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 33 insiders are actively trading MSA stock, having executed 1020 transactions in the past 90 days. The most active insider is William M. Lambert (Executive), who has made 135 transactions totaling $112.2M.
Get notified when executives and directors at MSA file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Dec 12, 2025 | M. Lambert William | Executive | Gift | 9,634 | $N/A | $0 | |
| Dec 10, 2025 | M. Pearse Diane | Executive | Award | 19.56 | $N/A | $0 | |
| Dec 10, 2025 | B. Jordan Gregory | Executive | Award | 19.56 | $N/A | $0 | |
| Dec 10, 2025 | Savi Luca | Executive | Award | 15.06 | $N/A | $0 | |
| Dec 10, 2025 | L. Phillips Sandra | Executive | Award | 8.84 | $N/A | $0 | |
| Dec 4, 2025 | J. Vartanian Nishan | Executive | Gift | 2,000 | $N/A | $0 | |
| Nov 25, 2025 | D. Buck Jonathan | Executive | Sale | 333 | $161.00 | $53.6K | |
| Sep 12, 2025 | L. Sciullo Stephanie | Executive | Sale | 2,361 | $169.51 | $400.2K | |
| Sep 11, 2025 | L. Sciullo Stephanie | Executive | Disposition | 3,000 | $172.33 | $517.0K | Large |
| Sep 11, 2025 | L. Sciullo Stephanie | Executive | Disposition | 1,700 | $172.47 | $293.2K | |
| Sep 11, 2025 | L. Sciullo Stephanie | Executive | Sale | 1,700 | $172.47 | $293.2K | |
| Sep 11, 2025 | L. Sciullo Stephanie | Executive | Sale | 3,000 | $172.33 | $517.0K | Large |
| Sep 10, 2025 | B. Jordan Gregory | Executive | Award | 18.36 | $N/A | $0 | |
| Sep 10, 2025 | M. Pearse Diane | Executive | Award | 18.36 | $N/A | $0 | |
| Sep 10, 2025 | Savi Luca | Executive | Award | 13.13 | $N/A | $0 |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 264 | $186.9M | 72.8% |
Exercise(M) | 162 | $37.9M | 14.8% |
Payment(F) | 213 | $30.9M | 12.1% |
Disposition(D) | 2 | $810.2K | 0.3% |
Discretionary(I) | 1 | $17.4K | 0.0% |
Small Acquisition(L) | 2 | $4.0K | 0.0% |
Gift(G) | 107 | $0 | 0.0% |
Award(A) | 262 | $0 | 0.0% |
Will Acquisition(W) | 1 | $0 | 0.0% |
Other(J) | 6 | $0 | 0.0% |
Insider selling pressure at MINE SAFETY APPLIANCES CO has increased, with 33 insiders executing 1020 transactions across all time. Total sales of $186.9M significantly outpace purchases of $0, resulting in a net outflow of $186.9M. This selling activity appears largely discretionary, which may warrant closer attention from investors.