John T. Ryan III, Chairman, 10% Owner at MINE SAFETY APPLIANCES CO (MSA), sold 8,870 shares at $29.17 ($259K) on 2010-05-14, disclosed to the SEC on 2010-05-14.
Open-market sale of $259k MSA by Chairman, 10% Owner. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Negative factors outweigh the positive ones.
| Filing → |
| MSA | SELL | 2021-09-15 | $686K | — | Filing → |
| MSA | SELL | 2021-09-01 | $2.2M | — | Filing → |
| MSA | SELL | 2021-03-09 | $275K | — | Filing → |