PORTER MICHAEL E

CIK 00011084945 companiesWALTHAM, MA

SEC Profile

Transactions

Companies

Filings

CIK

0001108494

Recent Transactions

50 trades

Award
MERRIMACK PHARMACEUTICALS INC
Stock Option (right to buy)
2017-09-13+7,500→ 7,500 total
Exercise/Conversion
MERRIMACK PHARMACEUTICALS INC
Common Stock
2017-03-10$2.69/sh+85,000→ 839,448 total
Exercise/Conversion
MERRIMACK PHARMACEUTICALS INC
Stock Option (right to buy)
2017-03-10−25,000→ 0 total
Exercise/Conversion
MERRIMACK PHARMACEUTICALS INC
Stock Option (right to buy)
2017-03-10−60,000→ 0 total
Award
MERRIMACK PHARMACEUTICALS INC
Stock Option (right to buy)
2016-06-14+43,000→ 43,000 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2016-03-17$7.20/sh+5,000→ 754,448 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2016-03-15$7.65/sh+5,000→ 749,448 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2016-03-08$7.09/sh+10,000→ 744,448 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2016-03-03$6.27/sh+10,000→ 734,448 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2016-03-02$6.63/sh+5,000→ 724,448 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2016-03-01$6.60/sh+10,000→ 719,448 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2016-02-29$5.61/sh+10,000→ 709,448 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2015-08-21$9.76/sh+5,000→ 699,448 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2015-08-14$10.18/sh+3,000→ 694,448 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2015-08-13$10.65/sh+10,000→ 691,448 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2015-08-12$10.16/sh+20,000→ 681,448 total
Award
MERRIMACK PHARMACEUTICALS INC
Stock Option (right to buy)
2015-05-13+14,000→ 14,000 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2015-05-13$11.79/sh+8,284→ 661,448 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2015-03-24$11.70/sh+5,000→ 653,164 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2015-03-20$11.77/sh+5,000→ 648,164 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2015-03-17$11.77/sh+1,190→ 644,354 total
Gift
MERRIMACK PHARMACEUTICALS INC
Common Stock
2015-03-17−1,190→ 643,164 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2015-03-11$11.33/sh+5,000→ 643,164 total
Exercise/Conversion
PTC INC.$PTC
Restricted Stock Units
2015-03-04−3,106→ 0 total
Exercise/Conversion
PTC INC.$PTC
Common Stock
2015-03-04+9,134→ 231,599 total
Exercise/Conversion
PTC INC.$PTC
Restricted Stock Units
2015-03-04−6,028→ 0 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2015-03-02$10.93/sh+5,000→ 638,164 total
Exercise/Conversion
SCOTTS MIRACLE-GRO CO$SMG
Deferred Stock Units
2015-01-29−1,082→ 0 total
Exercise/Conversion
SCOTTS MIRACLE-GRO CO$SMG
Common Shares
2015-01-29+3,014→ 22,204 total
Exercise/Conversion
SCOTTS MIRACLE-GRO CO$SMG
Deferred Stock Units
2015-01-29−1,932→ 0 total
Award
SCOTTS MIRACLE-GRO CO$SMG
Deferred Stock Units
2014-12-10$61.86/sh+1→ 111 total
Award
SCOTTS MIRACLE-GRO CO$SMG
Deferred Stock Units
2014-12-10$61.86/sh+8→ 1,082 total
Award
SCOTTS MIRACLE-GRO CO$SMG
Deferred Stock Units
2014-12-10$61.86/sh+14→ 1,932 total
Award
SCOTTS MIRACLE-GRO CO$SMG
Deferred Stock Units
2014-12-10$61.86/sh+17→ 2,318 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2014-12-02$8.71/sh+8,000→ 633,164 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2014-11-21$9.00/sh+5,675→ 625,164 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2014-11-20$8.76/sh+6,234→ 619,489 total
Exercise/Conversion
PTC INC.$PTC
Common Stock
2014-11-15+3,107→ 222,465 total
Exercise/Conversion
PTC INC.$PTC
Restricted Stock Units
2014-11-15−3,107→ 3,106 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2014-11-14$8.29/sh+5,000→ 613,255 total
Purchase
MERRIMACK PHARMACEUTICALS INC
Common Stock
2014-11-12$8.37/sh+40,000→ 608,255 total
Other
SCOTTS MIRACLE-GRO CO$SMG
Stock Option (right to buy)
2014-10-22+456→ 9,156 total
Other
SCOTTS MIRACLE-GRO CO$SMG
Stock Option (right to buy)
2014-10-22+571→ 11,562 total
Award
SCOTTS MIRACLE-GRO CO$SMG
Deferred Stock Units
2014-09-17$56.41/sh+4→ 110 total
Award
SCOTTS MIRACLE-GRO CO$SMG
Deferred Stock Units
2014-09-17$56.41/sh+79→ 2,301 total
Award
SCOTTS MIRACLE-GRO CO$SMG
Deferred Stock Units
2014-09-17$56.41/sh+37→ 1,074 total
Award
SCOTTS MIRACLE-GRO CO$SMG
Deferred Stock Units
2014-09-17$56.41/sh+66→ 1,918 total
Award
SCOTTS MIRACLE-GRO CO$SMG
Deferred Stock Units
2014-09-10$56.65/sh+15→ 1,852 total
Award
SCOTTS MIRACLE-GRO CO$SMG
Deferred Stock Units
2014-09-10$56.65/sh+1→ 106 total
Award
SCOTTS MIRACLE-GRO CO$SMG
Deferred Stock Units
2014-09-10$56.65/sh+18→ 2,222 total

Companies

Recent Filings

Address

81 WYMAN STREET

WALTHAM, MA, 02451

View on SEC.gov