SHEFFERY MICHAEL B

CIK 00012838873 companiesNEW YORK, NY

SEC Profile

Transactions

Companies

Filings

CIK

0001283887

Recent Transactions

23 trades

Conversion
SUPERNUS PHARMACEUTICALS, INC.$SUPN
Common Stock
2012-05-04+624,710→ 624,710 total
Purchase
SUPERNUS PHARMACEUTICALS, INC.$SUPN
Common Stock
2012-05-04$5.00/sh+734,128→ 2,402,600 total
Conversion
SUPERNUS PHARMACEUTICALS, INC.$SUPN
Series A Preferred Stock
2012-05-04−6,673,891→ 0 total
Purchase
SUPERNUS PHARMACEUTICALS, INC.$SUPN
Common Stock
2012-05-04$5.00/sh+90,999→ 297,815 total
Purchase
SUPERNUS PHARMACEUTICALS, INC.$SUPN
Common Stock
2012-05-04$5.00/sh+274,873→ 899,583 total
Conversion
SUPERNUS PHARMACEUTICALS, INC.$SUPN
Series A Preferred Stock
2012-05-04−2,498,842→ 0 total
Conversion
SUPERNUS PHARMACEUTICALS, INC.$SUPN
Common Stock
2012-05-04+206,816→ 206,816 total
Conversion
SUPERNUS PHARMACEUTICALS, INC.$SUPN
Common Stock
2012-05-04+1,668,472→ 1,668,472 total
Conversion
SUPERNUS PHARMACEUTICALS, INC.$SUPN
Series A Preferred Stock
2012-05-04−827,627→ 0 total
Award
ATHERSYS, INC / NEW
Director stock option (right to purchase)
2010-06-10+15,000→ 15,000 total
Other
ATHERSYS, INC / NEW
Common Stock
2010-01-07+466→ 3,872 total
Other
ATHERSYS, INC / NEW
Common Stock
2010-01-07−4,947→ 1,805,100 total
Other
ATHERSYS, INC / NEW
Common Stock
2009-12-28+3,406→ 3,406 total
Other
ATHERSYS, INC / NEW
Common Stock
2009-12-28−1,800,153→ 1,810,047 total
Purchase
ATHERSYS, INC / NEW
Common Stock
2009-03-17$0.84/sh+110,000→ 3,610,200 total
Purchase
ATHERSYS, INC / NEW
Common Stock
2009-03-16$0.65/sh+52,200→ 3,500,200 total
Purchase
ATHERSYS, INC / NEW
Common Stock
2008-05-21$2.40/sh+130,000→ 3,180,000 total
Award
ATHERSYS, INC / NEW
Director's Stock Option (right to buy)
2007-06-08−75,000→ 75,000 total
Award
ATHERSYS, INC / NEW
Director stock option (right to purchase)
2007-06-08+75,000→ 75,000 total
Purchase
ATHERSYS, INC / NEW
Warrant (right to buy)
2007-06-08−750,000→ 750,000 total
Purchase
ATHERSYS, INC / NEW
Warrant (right to purchase)
2007-06-08+750,000→ 750,000 total
Purchase
ATHERSYS, INC / NEW
Common Stock
2007-06-08$5.00/sh+3,000,000→ 3,000,000 total
Award
MEMORY PHARMACEUTICALS CORP
Stock Option (Right to Buy)
2004-04-05+20,000→ 20,000 total

Companies

Recent Filings

Address

767 THIRD AVENUE 30TH FLOOR

NEW YORK, NY, 10017

View on SEC.gov