| Petras Michael B. Jr. | Executive Chairman | 850,000Common Stock | $16.1M | Sell | |
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| Petras Michael B. Jr. | Executive Chairman | 294,515Common Stock, $0.01 par value per share ("Common Stock") | $5.6M | Sell | |
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| Rutz Michael P | President of Sterigenics | 150,000Common Stock, $0.01 par value per share | $2.8M | Sell | |
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| Lyons Jonathan M. | Sr. Vice President, CFO | 11,316Common Stock, $0.01 par value per share | $202.1K | Tax withholding | |
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| SHADER ALTON | Chief Executive Officer | 101,817Share Appreciation Units | $1.6M | Grant / award | |
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| SHADER ALTON | Chief Executive Officer | 203,634Common Stock | $3.2M | Grant / award | |
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| SHADER ALTON | Chief Executive Officer | 375,939Common Stock, $0.01 par value per share ("Common Stock") | $5.9M | Grant / award | |
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| Wheadon David E. | Director | 14,970Common Stock, $0.01 par value per share ("Common Stock") | $234.4K | Grant / award | |
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| Simon, Christopher | Director | 14,970Common Stock, $0.01 par value per share ("Common Stock") | $234.4K | Grant / award | |
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| Chen Ruoxi | Director | 14,970Common Stock, $0.01 par value per share ("Common Stock") | $234.4K | Grant / award | |
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