Diane M. Pearse serves as Executive at MINE SAFETY APPLIANCES CO, where they oversee executive responsibilities. Since joining the company, Diane M. Pearse has executed 59 insider transactions totaling $950.8K, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 10, 2025 involved receiving (via award) 19.56 shares valued at $0.
Diane M. Pearse currently holds 41,732.33 shares of MINE SAFETY APPLIANCES CO (MSA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Diane M. Pearse has been a net seller of MSA stock. They have purchased $0 and sold $950.8K worth of shares.
Diane M. Pearse's most recent insider trade was on Dec 10, 2025, when they sold 19.56 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Sep 10, 2024 | MSA | $0 | Award | 14.46 | $N/A | Discretionary |
| Jun 10, 2024 | MSA | $0 | Award | 14.51 | $N/A | Discretionary |
| May 23, 2024 | LICY | $0 | Award | 220,855 | $N/A | Discretionary |
| May 15, 2024 | MSA | $0 | Award | 755 | $N/A | Discretionary |
| Mar 10, 2024 | MSA | $0 | Award | 10.35 | $N/A | Discretionary |
| Dec 10, 2023 | MSA | $0 | Award | 11.24 | $N/A | Discretionary |
| Sep 10, 2023 | MSA | $0 | Award | 11.15 | $N/A | Discretionary |
| Jun 10, 2023 | MSA | $0 | Award | 9.68 | $N/A | Discretionary |
| May 17, 2023 | MSA | $0 | Award | 939 | $N/A | Discretionary |
| May 10, 2023 | MSA | $108.9K | Payment | 805 | $135.27 | Discretionary |
| May 10, 2023 | MSA | $108.8K | Option Exercise | 2,179 | $49.92 | Discretionary |
| Mar 10, 2023 | MSA | $0 | Award | 10.54 | $N/A | Discretionary |
| Dec 10, 2022 | MSA | $0 | Award | 10.6 | $N/A | Discretionary |
| Sep 10, 2022 | MSA | $0 | Award | 11.54 | $N/A | Discretionary |
| Jun 10, 2022 | MSA | $0 | Award | 7.2 | $N/A | Discretionary |
| May 18, 2022 | MSA | $0 | Award | 1,129 | $N/A | Discretionary |
| May 6, 2022 | MSA | $113.8K | Option Exercise | 2,675 | $42.54 | Discretionary |
| May 6, 2022 | MSA | $113.9K | Payment | 931 | $122.31 | Discretionary |
| Mar 10, 2022 | MSA | $0 | Award | 6.37 | $N/A | Discretionary |
| Dec 10, 2021 | MSA | $0 | Award | 5.72 | $N/A | Discretionary |
| Sep 10, 2021 | MSA | $0 | Award | 5.42 | $N/A | Discretionary |
| Jun 10, 2021 | MSA | $0 | Award | 3.02 | $N/A | Discretionary |
| May 24, 2021 | MSA | $0 | Award | 789 | $N/A | Discretionary |
| May 11, 2021 | MSA | $110.8K | Option Exercise | 2,969 | $37.33 | Discretionary |
| Mar 10, 2021 | MSA | $0 | Award | 3.03 | $N/A | Discretionary |
| Dec 10, 2020 | MSA | $0 | Award | 3.26 | $N/A | Discretionary |
| Sep 10, 2020 | MSA | $0 | Award | 3.95 | $N/A | Discretionary |
| Jun 10, 2020 | MSA | $0 | Award | 4.04 | $N/A | Discretionary |