SEC CIK 1193209

CORASH LAURENCE M

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
CERSview stock →2,339,7402024-03-14

Position History — CERS

Reported shares owned immediately after each Form 4 transaction, over time.

0789,3891,578,7782,368,1672006-012011-032011-052015-022018-032021-032024-03

Recent Filings — CERS

DateActivitySharesPriceOwned After
2024-03-14Open-market sale14,360$1.972,339,740
2024-03-13Open-market sale14,067$2.062,354,100
2024-03-12Option exercise (derivative)16,666—0
2024-03-12Option exercise16,666—2,368,167
2024-03-01Grant / award90,000$0.002,351,501
2023-03-13Open-market sale5,745$2.802,261,501
2023-03-13Open-market sale9,597$2.802,250,579
2023-03-12Option exercise (derivative)23,460—0
2023-03-12Option exercise (derivative)16,667—16,666
2023-03-12Option exercise16,667—2,267,246
2023-03-12Option exercise23,460—2,260,176
2023-03-01Grant / award110,000$0.002,236,716
2022-03-14Open-market sale8,173$5.042,116,031
2022-03-14Open-market sale16,152$5.042,101,434
2022-03-14Open-market sale5,982$5.042,126,716
2022-03-12Option exercise (derivative)45,000—0
2022-03-12Option exercise (derivative)16,667—33,333
2022-03-12Option exercise (derivative)22,770—23,460
2022-03-12Option exercise16,667—2,132,698
2022-03-12Option exercise22,770—2,124,204
2022-03-12Option exercise45,000—2,117,586
2022-03-01Grant / award (derivative)90,000—90,000
2022-03-01Grant / award45,000$0.002,072,586
2021-12-17Option exercise (derivative)5,000—0
2021-12-17Option exercise5,000$3.752,027,586
2021-12-13Option exercise (derivative)40,000—5,000
2021-12-13Option exercise40,000$3.752,022,586
2021-04-30Option exercise (derivative)25,200—0
2021-04-30Option exercise25,200$3.661,982,586
2021-03-15Open-market sale15,786$6.381,942,605
2021-03-15Open-market sale7,989$6.381,957,386
2021-03-12Option exercise (derivative)22,770—46,230
2021-03-12Option exercise (derivative)15,833—0
2021-03-12Option exercise (derivative)45,000—45,000
2021-03-12Option exercise15,833—1,913,391
2021-03-12Option exercise45,000—1,958,391
2021-03-12Option exercise22,770—1,965,375
2021-03-01Grant / award (derivative)100,000—100,000
2021-03-01Grant / award (derivative)50,000—50,000
2020-04-22Option exercise (derivative)94,800—25,200
2020-04-22Option exercise94,800$3.661,897,558
2020-03-17Option exercise45,000—1,820,258
2020-03-17Option exercise7,500—1,759,425
2020-03-17Option exercise15,833—1,775,258
2020-03-17Open-market sale17,500$3.591,802,758
2020-03-12Option exercise (derivative)7,500—0
2020-03-12Option exercise (derivative)15,833—15,833
2020-03-12Option exercise (derivative)45,000—90,000
2020-03-02Grant / award (derivative)69,000—69,000
2020-03-02Grant / award (derivative)138,000—138,000
2019-11-01Option exercise (derivative)13,000—45,000
2019-11-01Option exercise13,000$3.751,751,925
2019-10-25Option exercise (derivative)12,000—58,000
2019-10-25Option exercise12,000$3.751,738,925
2019-10-09Option exercise (derivative)30,000—70,000
2019-10-09Option exercise30,000$3.751,726,925
2019-10-02Option exercise (derivative)30,000—100,000
2019-10-02Option exercise30,000$3.751,696,925
2019-06-06Grant / award (derivative)135,000—135,000
2019-03-12Option exercise (derivative)7,500—7,500
2019-03-12Option exercise (derivative)15,834—31,666
2019-03-12Option exercise15,834—1,734,425
2019-03-12Option exercise7,500—1,718,591
2019-03-12Option exercise (derivative)15,834—31,666
2019-03-12Option exercise (derivative)7,500—7,500
2019-03-12Option exercise15,834—1,666,925
2019-03-12Option exercise7,500—1,651,091
2019-03-10Option exercise (derivative)6,000—0
2019-03-10Option exercise6,000—1,643,591
2019-03-10Option exercise (derivative)6,000—0
2019-03-10Option exercise6,000—1,643,591
2018-07-25Option exercise (derivative)35,000—0
2018-07-25Option exercise35,000$4.191,637,591
2018-03-15Open-market buy32,100$5.271,602,591
2018-03-14Open-market buy17,911$5.191,570,491
2018-03-13Open-market buy90,000$5.131,552,580
2018-03-12Option exercise (derivative)7,500—15,000
2018-03-12Option exercise7,500—1,452,580
2018-03-12Open-market buy10,000$4.951,462,580
2018-03-10Option exercise (derivative)6,000—6,000
2018-03-10Option exercise6,000—1,445,080
2018-03-01Grant / award (derivative)95,000—95,000
2018-03-01Grant / award (derivative)47,500—47,500
2017-08-15Option exercise (derivative)16,250—0
2017-08-15Option exercise16,250$2.081,437,991
2017-08-11Open-market buy46,030$2.461,421,741
2017-08-10Open-market buy46,766$2.441,375,711
2017-03-10Option exercise (derivative)6,000—12,000
2017-03-10Option exercise6,000—1,328,945
2017-03-01Grant / award (derivative)100,000—100,000
2017-03-01Grant / award (derivative)22,500—22,500
2016-09-22Option exercise (derivative)21,000—0
2016-09-22Option exercise21,000$5.551,319,756
2016-09-15Option exercise (derivative)9,000—21,000
2016-09-15Option exercise9,000$5.551,298,756
2016-03-01Grant / award (derivative)90,000—90,000
2016-03-01Grant / award (derivative)18,000—18,000
2015-08-20Open-market buy19,500$4.951,289,756
2015-08-19Open-market buy25,900$4.991,270,256
2015-08-18Open-market buy6,718$4.921,244,356
2015-08-17Open-market buy27,982$4.811,237,638
2015-08-14Open-market buy49,900$4.731,209,656
2015-08-13Open-market buy50,000$4.981,159,756
2015-08-12Open-market buy25,000$4.821,109,756
2015-06-01Grant / award (derivative)50,000—50,000
2015-03-05Option exercise (derivative)2,709—16,250
2015-03-05Option exercise (derivative)75,000—0
2015-03-05Option exercise2,709$2.081,009,756
2015-03-05Option exercise75,000$3.001,084,756
2015-03-02Grant / award (derivative)155,000—155,000
2015-02-05Option exercise (derivative)13,541—18,959
2015-02-05Option exercise (derivative)50,000—120,000
2015-02-05Option exercise50,000$3.661,007,047
2015-02-05Option exercise13,541$2.08957,047
2014-10-03Option exercise (derivative)97,500—32,500
2014-10-03Option exercise (derivative)20,060—0
2014-10-03Option exercise (derivative)9,940—20,060
2014-10-03Option exercise100$2.51780,856
2014-10-03Option exercise150$2.98781,006
2014-10-03Option exercise20,060$2.15811,006
2014-10-03Option exercise97,500$2.08943,506
2014-10-03Option exercise35,000$0.79846,006
2014-10-03Option exercise9,940$2.15790,946
2014-08-01Option exercise (derivative)50,000—35,000
2014-08-01Option exercise50,000$0.79780,756
2014-06-23Option exercise (derivative)25,000—0
2014-06-23Option exercise25,000$2.28730,756
2014-06-20Option exercise (derivative)25,000—25,000
2014-06-20Option exercise25,000$2.28705,756
2014-06-19Option exercise (derivative)25,000—50,000
2014-06-19Option exercise25,000$2.28680,756
2014-05-05Option exercise (derivative)50,000—75,000
2014-05-05Option exercise50,000$2.28655,756
2014-03-03Grant / award (derivative)135,000—135,000
2013-11-12Option exercise (derivative)1,000—0
2013-11-12Option exercise1,000$4.25571,756
2013-11-08Option exercise (derivative)34,000—1,000
2013-11-08Option exercise34,000$4.25605,756
2013-03-01Grant / award (derivative)170,000—170,000
2013-01-07J3,444$2.95570,756
2012-11-16Open-market buy2,000$2.85574,200
2012-03-01Grant / award (derivative)130,000—130,000
2011-11-14Open-market buy16,597$2.80572,200
2011-11-11Open-market buy33,403$2.83555,603
2011-09-01Grant / award (derivative)130,000—130,000
2011-05-19Open-market buy12,000$2.95522,200
2011-05-18Open-market buy3,500$2.92510,200
2011-05-17Open-market buy5,000$2.95506,700
2011-05-13Open-market buy20,000$2.87501,700
2011-05-12Open-market buy20,000$2.94481,700
2011-05-11Open-market buy20,000$3.01461,700
2011-05-06Open-market buy15,600$2.72441,700
2011-05-05Open-market buy11,300$2.71426,100
2011-05-04Open-market buy20,000$2.73414,800
2011-05-03Open-market buy20,000$2.80394,800
2011-05-02Open-market buy20,000$2.90374,800
2011-03-22Open-market buy1,000$2.70354,800
2011-03-18Open-market buy100$2.47353,800
2011-03-15Open-market buy2,000$2.50353,700
2011-03-14Open-market buy7,000$2.54351,700
2011-03-11Open-market buy315$2.54343,600
2011-03-11Open-market buy1,100$2.53344,700
2011-03-10Open-market buy1,500$2.60343,285
2011-03-09Open-market buy1,000$2.68341,785
2011-03-09Open-market buy3,900$2.70335,685
2011-03-09Open-market buy3,100$2.69338,785
2011-03-09Open-market buy2,000$2.67340,785
2011-03-08Open-market buy9,500$2.70331,285
2011-03-08Open-market buy100$2.67331,385
2011-03-08Open-market buy400$2.68331,785
2011-01-10J2,029$2.82321,785
2010-09-01Grant / award (derivative)75,000—75,000
2010-03-05Grant / award10,598$2.06323,814
2010-01-14J2,382$1.78313,216
2010-01-08Grant / award51,470$1.70308,149
2010-01-08Grant / award7,449$1.85315,598
2010-01-06Grant / award9,121—256,679
2009-12-08Disposition to issuer3,000$1.88247,558
2009-12-07Disposition to issuer7,000$1.88250,558
2009-12-04Disposition to issuer21,644$1.86257,558
2009-10-01Grant / award (derivative)30,000—30,000
2009-07-27Grant / award (derivative)100—150
2009-01-12Grant / award (derivative)85,000—85,000
2008-10-01Grant / award (derivative)35,000—35,000
2008-01-10Grant / award5,469—279,202
2007-10-01Grant / award (derivative)30,000—30,000
2007-05-09Grant / award5,000$5.79273,733
2007-05-09Open-market buy5,000$5.79273,733
2007-05-07Grant / award5,000$6.10268,733
2007-05-07Open-market buy5,000$6.10268,733
2007-01-05Grant / award6,766—263,733
2006-10-02Grant / award (derivative)30,000—30,000
2006-08-29Open-market sale8,000$6.10266,367
2006-08-28Open-market sale2,000$6.00274,367
2006-03-13Option exercise (derivative)4,400—0
2006-03-13Option exercise4,400$2.72276,367
2006-03-08Option exercise (derivative)10,000—4,400
2006-03-08Option exercise10,000$2.72271,967
2006-03-06Option exercise (derivative)5,000—14,400
2006-03-06Option exercise5,000$2.72261,967
2006-01-09Grant / award3,942—256,967

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.