Insider · CIK 0001108494

PORTER MICHAEL E

Reports to the SEC for 5 companies · WALTHAM, MA

sec.gov

Transactions

Companies

Filings

CIK

0001108494

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2017-09-13	MERRIMACK PHARMACEUTICALS INCStock Option (right to buy)A Award	Director	AAward	+7,500 sh	—	—	7,500
2017-03-10	MERRIMACK PHARMACEUTICALS INCM Exercise/Conversion	Director	MExercise/Conversion	+85K sh	$2.69	+$229K	839,448
2017-03-10	MERRIMACK PHARMACEUTICALS INCStock Option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−60K sh	—	—	0
2017-03-10	MERRIMACK PHARMACEUTICALS INCStock Option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−25K sh	—	—	0
2016-06-14	MERRIMACK PHARMACEUTICALS INCStock Option (right to buy)A Award	Director	AAward	+43K sh	—	—	43,000
2016-03-17	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+5,000 sh	$7.20	+$36K	754,448
2016-03-15	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+5,000 sh	$7.65	+$38.3K	749,448
2016-03-08	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+10K sh	$7.09	+$70.9K	744,448
2016-03-03	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+10K sh	$6.27	+$62.7K	734,448
2016-03-02	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+5,000 sh	$6.63	+$33.2K	724,448
2016-03-01	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+10K sh	$6.60	+$66K	719,448
2016-02-29	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+10K sh	$5.61	+$56.1K	709,448
2015-08-21	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+5,000 sh	$9.76	+$48.8K	699,448
2015-08-14	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+3,000 sh	$10.18	+$30.5K	694,448
2015-08-13	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+10K sh	$10.65	+$107K	691,448
2015-08-12	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+20K sh	$10.16	+$203K	681,448
2015-05-13	MERRIMACK PHARMACEUTICALS INCStock Option (right to buy)A Award	Director	AAward	+14K sh	—	—	14,000
2015-05-13	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+8,284 sh	$11.79	+$97.7K	661,448
2015-03-24	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+5,000 sh	$11.70	+$58.5K	653,164
2015-03-20	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+5,000 sh	$11.77	+$58.9K	648,164
2015-03-17	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+1,190 sh	$11.77	+$14K	644,354
2015-03-17	MERRIMACK PHARMACEUTICALS INCG Gift	Director	GGift	−1,190 sh	—	—	643,164
2015-03-11	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+5,000 sh	$11.33	+$56.7K	643,164
2015-03-04	PTCPTC INC.M Exercise/Conversion	Director	MExercise/Conversion	+9,134 sh	—	—	231,599
2015-03-04	PTCPTC INC. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−6,028 sh	—	—	0
2015-03-04	PTCPTC INC. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−3,106 sh	—	—	0
2015-03-02	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+5,000 sh	$10.93	+$54.7K	638,164
2015-01-29	SMGSCOTTS MIRACLE-GRO COM Exercise/Conversion	Director	MExercise/Conversion	+3,014 sh	—	—	22,204
2015-01-29	SMGSCOTTS MIRACLE-GRO CO · Deferred Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−1,932 sh	—	—	0
2015-01-29	SMGSCOTTS MIRACLE-GRO CO · Deferred Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−1,082 sh	—	—	0
2014-12-10	SMGSCOTTS MIRACLE-GRO CO · Deferred Stock UnitsA Award	Director	AAward	+17 sh	$61.86	+$1,051.62	2,318
2014-12-10	SMGSCOTTS MIRACLE-GRO CO · Deferred Stock UnitsA Award	Director	AAward	+1 sh	$61.86	+$61.86	111
2014-12-10	SMGSCOTTS MIRACLE-GRO CO · Deferred Stock UnitsA Award	Director	AAward	+14 sh	$61.86	+$866.04	1,932
2014-12-10	SMGSCOTTS MIRACLE-GRO CO · Deferred Stock UnitsA Award	Director	AAward	+8 sh	$61.86	+$494.88	1,082
2014-12-02	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+8,000 sh	$8.71	+$69.7K	633,164
2014-11-21	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+5,675 sh	$9.00	+$51.1K	625,164
2014-11-20	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+6,234 sh	$8.76	+$54.6K	619,489
2014-11-15	PTCPTC INC.M Exercise/Conversion	Director	MExercise/Conversion	+3,107 sh	—	—	222,465
2014-11-15	PTCPTC INC. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−3,107 sh	—	—	3,106
2014-11-14	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+5,000 sh	$8.29	+$41.4K	613,255
2014-11-12	MERRIMACK PHARMACEUTICALS INCP Purchase	Director	PPurchase	+40K sh	$8.37	+$335K	608,255
2014-10-22	SMGSCOTTS MIRACLE-GRO CO · Stock Option (right to buy)J Other	Director	JOther	+571 sh	—	—	11,562
2014-10-22	SMGSCOTTS MIRACLE-GRO CO · Stock Option (right to buy)J Other	Director	JOther	+456 sh	—	—	9,156
2014-09-17	SMGSCOTTS MIRACLE-GRO CO · Deferred Stock UnitsA Award	Director	AAward	+79 sh	$56.41	+$4,456.39	2,301
2014-09-17	SMGSCOTTS MIRACLE-GRO CO · Deferred Stock UnitsA Award	Director	AAward	+4 sh	$56.41	+$225.64	110
2014-09-17	SMGSCOTTS MIRACLE-GRO CO · Deferred Stock UnitsA Award	Director	AAward	+66 sh	$56.41	+$3,723.06	1,918
2014-09-17	SMGSCOTTS MIRACLE-GRO CO · Deferred Stock UnitsA Award	Director	AAward	+37 sh	$56.41	+$2,087.17	1,074
2014-09-10	SMGSCOTTS MIRACLE-GRO CO · Deferred Stock UnitsA Award	Director	AAward	+18 sh	$56.65	+$1,019.7	2,222
2014-09-10	SMGSCOTTS MIRACLE-GRO CO · Deferred Stock UnitsA Award	Director	AAward	+1 sh	$56.65	+$56.65	106
2014-09-10	SMGSCOTTS MIRACLE-GRO CO · Deferred Stock UnitsA Award	Director	AAward	+15 sh	$56.65	+$849.75	1,852

Recent filings

Accepted (ET)
Sep 154
PORTER MICHAEL E0001209191-17-053005
SEC(opens sec.gov)
Mar 134
MERRIMACK PHARMACEUTICALS INC0001209191-17-020368
SEC(opens sec.gov)
Jun 164
MERRIMACK PHARMACEUTICALS INC0001209191-16-128226
SEC(opens sec.gov)
Mar 214
MERRIMACK PHARMACEUTICALS INC0001209191-16-109636
SEC(opens sec.gov)
Mar 174
MERRIMACK PHARMACEUTICALS INC0001209191-16-109029
SEC(opens sec.gov)
Mar 104
MERRIMACK PHARMACEUTICALS INC0001209191-16-107506
SEC(opens sec.gov)
Mar 44
MERRIMACK PHARMACEUTICALS INC0001209191-16-105886
SEC(opens sec.gov)
Mar 24
MERRIMACK PHARMACEUTICALS INC0001209191-16-104240
SEC(opens sec.gov)
Aug 254
MERRIMACK PHARMACEUTICALS INC0001209191-15-067687
SEC(opens sec.gov)
Aug 174
MERRIMACK PHARMACEUTICALS INC0001179110-15-012201
SEC(opens sec.gov)
Aug 134
MERRIMACK PHARMACEUTICALS INC0001179110-15-012064
SEC(opens sec.gov)
May 184
MERRIMACK PHARMACEUTICALS INC0001179110-15-007947
SEC(opens sec.gov)
May 154
MERRIMACK PHARMACEUTICALS INC0001179110-15-007861
SEC(opens sec.gov)
Mar 264
MERRIMACK PHARMACEUTICALS INC0001179110-15-005445
SEC(opens sec.gov)
Mar 244
MERRIMACK PHARMACEUTICALS INC0001179110-15-005358
SEC(opens sec.gov)

Companies

Address

81 WYMAN STREET

WALTHAM, MA, 02451