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Amron Arthur H

DateNameSymbolTypeSecuritySharesPriceValueOwnershipReported
06/07/2023MAMMOTH ENERGY SERVICES, INC.TUSKGrantCommon Stock23.8k$0.00$0 06/07/2023
01/05/2023NEPHROS INCNEPHGrantStock Option (Right to Buy)7.1k$1.07$7.6k 01/05/2023
01/05/2023NEPHROS INCNEPHGrantCommon Stock27.6k$0.00$0 01/05/2023
06/29/2022MAMMOTH ENERGY SERVICES, INC.TUSKGrantCommon Stock45.7k$0.00$0 06/29/2022
12/14/2021NEPHROS INCNEPHGrantStock Option (Right to Buy)7.1k$6.82$48.2k 12/14/2021
12/14/2021NEPHROS INCNEPHGrantCommon Stock4.6k$0.00$0 12/14/2021
06/02/2021MAMMOTH ENERGY SERVICES, INC.TUSKGrantCommon Stock25.6k$0.00$0 06/02/2021
01/06/2021NEPHROS INCNEPHGrantStock Option (Right to Buy)6.8k$8.06$55.2k 01/06/2021
01/06/2021NEPHROS INCNEPHGrantCommon Stock3.7k$0.00$0 01/06/2021
07/02/2020MAMMOTH ENERGY SERVICES, INC.TUSKGrant 87k$0.00$0 07/02/2020
12/16/2019NEPHROS INCNEPHGrantCommon Stock3.4k$0.00$0 12/16/2019
12/16/2019NEPHROS INCNEPHGrantStock Option (Right to Buy)5.6k$8.57$47.7k 12/16/2019
06/05/2019MAMMOTH ENERGY SERVICES, INC.TUSKGrant 10.5k$0.00$0 06/05/2019
01/25/2019MAMMOTH ENERGY SERVICES, INC.TUSKGrant 1.5k$0.00$0 01/25/2019
12/19/2018NEPHROS INCNEPHGrantStock Option (Right to Buy)46.5k$0.65$30.2k 12/19/2018
12/14/2018NEPHROS INCNEPHGrant 47.7k$0.00$0 12/14/2018
12/20/2017NEPHROS INCNEPHGrantNon-Qualified Stock Option40.3k$0.50$20.1k 12/20/2017
12/20/2017NEPHROS INCNEPHGrant 73.9k$0.00$0 12/20/2017
12/31/2012Rhino Resource Partners LPRHNOOther (acquisition)Subordinated Units13.6k$0.00$0 12/31/2012
12/31/2012Rhino Resource Partners LPRHNOOther (acquisition)Common Units9.5k$0.00$0 12/31/2012
02/29/2012Rhino Resource Partners LPRHNOOther (acquisition)Common Units51$0.00$0 02/29/2012
02/29/2012Rhino Resource Partners LPRHNOOther (acquisition)Subordinated Units73$0.00$0 02/29/2012
12/30/2011Rhino Resource Partners LPRHNOOther (acquisition)Common Units2.7k$0.00$0 12/30/2011
12/30/2011Rhino Resource Partners LPRHNOOther (disposition)Subordinated Units3.8k$0.00$0 12/30/2011

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