CIK: 1108494 - Address: C/o Merrimack Pharmaceuticals, Inc., One Kendall Square, Suite B7201, Cambridge, MA 02139
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3/13/17 21:04
3/10/17
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADM.d2292.6958511839D-72-58-33-422-163-12-3
3/21/16 09:25
3/17/16
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP367.201851754D40-35-27-43036996-1-3-22-40-59
3/17/16 10:51
3/15/16
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP387.651551749D30-39-32-41936-3-66119-13-36-54
3/10/16 09:28
3/8/16
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP717.0913101744D22-36-31-1214302474120-4-35-57
3/4/16 09:02
3/2/16
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP.m966.3912152734D20-44-30-273212515113255-31-53
3/2/16 11:13
2/29/16
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP.m1226.1112203719D31-42-38-30920142158282-27-54
8/25/15 09:13
8/21/15
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP499.761551699D16640-15-25-22-12-12-114107-10-43-43
8/17/15 09:00
8/13/15
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP.m13710.5416132694D182513-17-144-352-91-16-46-50
8/13/15 08:30
8/12/15
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP20310.1616203681D1605711-12-1312100-20-15-48-51
5/15/15 07:53
5/13/15
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP9811.791881661D1238448252-88531-11-15-23-50
3/26/15 08:41
3/24/15
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP5911.701751653D8510955317-11-5-518217-12-27
3/24/15 09:14
3/20/15
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP5911.771751648D85115571026-22-514177-13-24
3/19/15 11:06
3/17/15
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP1411.771510643D9811265223812130-88-9-13-36
3/13/15 08:57
3/11/15
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP5711.331551643D771005812172-4-758151-7-31
3/5/15 16:49
3/4/15
PTCPtc Inc.MATechSoftwPrepackaged SoftwarePorter Michael EMADM.d00.002994232D41-16-14-12-20-2-3-1-3723-5-5
3/4/15 07:37
3/2/15
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP5510.931251638D8612568281527691-43-1-14-42
2/2/15 15:46
1/29/15
SMGScotts Miracle-Gro CoOHChemAgCmAgricultural ChemicalsPorter Michael EOHDM.d00.001431622D5911251142102534-311
12/4/14 12:14
12/2/14
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP708.711881633D2711323391193237253325-9
11/24/14 16:40
11/20/14
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP.m1068.8718122625D33206133220-1613-4151834-5
11/18/14 17:08
11/14/14
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP418.291951613D2124529267-8-21-23162444-5
11/17/14 18:29
11/15/14
PTCPtc Inc.MATechSoftwPrepackaged SoftwarePorter Michael EMADM.d00.002631222D97174-234-1222-6-75-6
11/13/14 09:50
11/12/14
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP3358.3719407608D192462822-3-6-6-2-222420483
8/19/14 15:35
8/15/14
SMGScotts Miracle-Gro CoOHChemAgCmAgricultural ChemicalsPorter Michael EOHDP4656.89171419D46112-4374105292022
6/24/14 09:16
6/23/14
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP2226.8415326568D-41238290-9-12-1368-1166382
5/16/14 14:26
5/14/14
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP.m976.4922153536D-917171363050-3-12101452889
5/9/14 13:15
5/7/14
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP.dm666.5921102521D-143018039194142-75522-23179
5/9/14 13:15
5/8/14
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADM.d391.9421204521D-143018039194142-75522-23179
5/7/14 15:02
5/5/14
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP316.121951491D-106218237295654-2-1-410-143363
5/5/14 13:21
5/5/14
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP966.4118153486D-193913522213631437416-104488
3/7/14 16:41
3/5/14
PTCPtc Inc.MATechSoftwPrepackaged SoftwarePorter Michael EMADM.d00.003394219D4862482210512-1-3-11-61-15
2/14/14 16:31
2/12/14
PTCPtc Inc.MATechSoftwPrepackaged SoftwarePorter Michael EMADM.d11511.4833105211D405937189696220-81-10
2/14/14 16:31
2/12/14
PTCPtc Inc.MATechSoftwPrepackaged SoftwarePorter Michael EMADS.d-37237.1833-10-5211D405937189696220-81-10
12/18/13 15:25
12/16/13
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP.m1194.7512256471D-25-2524111372648281264114
12/11/13 11:11
12/10/13
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP794.3810184446D-30-22527619-10-512413279132
12/4/13 10:01
12/2/13
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP.m3134.1787521428D-40-1523287748155-2302573113
12/2/13 11:37
11/27/13
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP.m2703.6077527353D-42-321713604825620354089124
5/14/13 16:07
5/10/13
SMGScotts Miracle-Gro CoOHChemAgCmAgricultural ChemicalsPorter Michael EOHDP.m7248.00242918D-17614911105-111-2122132
1/29/13 16:17
1/28/13
PMTCPtc Inc.MATechSoftwPrepackaged SoftwarePorter Michael EMADM.d504.980105211D
1/29/13 16:17
1/28/13
PMTCPtc Inc.MATechSoftwPrepackaged SoftwarePorter Michael EMADS.d-23623.560-10-5211D
12/18/12 14:25
12/17/12
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADM.d332.195156278D-13-24-3-6-5-48-2-2-21-25
12/12/12 16:19
12/10/12
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP616.086104263D0-204-6-10-434-7-8-16-40
5/30/12 17:08
5/29/12
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EMADM.d858.500105211D
5/30/12 17:08
5/29/12
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EMADS.d-20620.590-10-5211D
5/25/12 13:27
5/23/12
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EMADM.d858.500105211D
5/25/12 13:27
5/23/12
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EMADS.d-20019.980-10-5211D
4/5/12 16:22
4/3/12
MACKMerrimack Pharmaceuticals IncDEHealthDrugPharmaceutical PreparationsPorter Michael EMADP.d887.006135253D-38162320440
3/12/12 17:16
3/8/12
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADM.dm19926.5333810515D11372070-1235-4-8741
3/12/12 17:16
3/8/12
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADS.dm-42256.2333-8-3415D11372070-1235-4-8741
9/9/11 13:53
9/8/11
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EMADM.d75512.58206045194D21-7-25-23-21-1-8-1-44-22564
9/9/11 13:53
9/8/11
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EMADS.d-86816.7220-52-21194D21-7-25-23-21-1-8-1-44-22564
3/22/11 12:17
3/18/11
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADM.d21528.7333814413D61613-4-4-3-2201217-17
3/22/11 12:17
3/18/11
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADS.d-39752.9433-8-3713D61613-4-4-3-2201217-17
3/22/10 16:29
3/19/10
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADM.d3018.853321910D-7489263-110-276-74
3/22/10 16:29
3/19/10
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADS.d-8049.9333-2-1410D-7489263-110-276-74
3/19/10 12:37
3/18/10
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADM.d1718.853311010D-8469262-100177-66
3/19/10 12:37
3/18/10
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADS.d-4550.2533-1-810D-8469262-100177-66
3/18/10 17:27
3/17/10
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADM.d4718.853333310D-54210231000277-66
3/18/10 17:27
3/17/10
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADS.d-12550.0033-3-2010D-54210231000277-66
3/17/10 17:49
3/16/10
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADM.d4718.853333310D-74243420-30287-68
3/17/10 17:49
3/16/10
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADS.d-12449.5033-3-2010D-74243420-30287-68
5/29/09 11:41
5/28/09
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADM.d18318.313310999%10D-29-342063586129192437
5/29/09 11:41
5/28/09
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADS.d-38138.0833-10-5010D-29-342063586129192437
5/14/09 11:56
5/12/09
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADM.d1918.86331187D-33-38-3-7511-3-2-1016282549
5/14/09 11:56
5/12/09
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADS.d-3736.6033-1-137D-33-38-3-7511-3-2-1016282549
7/16/08 16:54
7/15/08
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADS-5855.1233-1-147D62526-310-31510-15-34-29
7/16/08 16:54
7/15/08
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADM.d7118.093341058D62526-310-31510-15-34-29
7/16/08 16:54
7/15/08
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADS.d-16155.3933-3-278D62526-310-31510-15-34-29
6/6/08 14:20
6/5/08
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADM.d6318.093341117D63113107322-2-2-4-4-43-32
6/6/08 14:20
6/5/08
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADS.d-20759.0533-4-357D63113107322-2-2-4-4-43-32
6/2/08 18:30
5/30/08
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADM.d9018.093353047D61826451200-46-40-31
6/2/08 18:30
5/30/08
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADS.d-29559.0133-5-437D61826451200-46-40-31
5/28/08 17:12
5/23/08
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADM.d9018.093353047D59710811-211-44-49-34
5/28/08 17:12
5/23/08
TMOThermo Fisher Scientific Inc.DEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADS.d-29057.9133-5-437D59710811-211-44-49-34
9/20/07 13:43
9/19/07
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EDM.d635.25221211125D1-1-15-17-1-3-10-1485-1012
8/10/06 09:02
8/8/06
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EMADP.m3614.431932103D30-11-13-12114-7-32713283717
2/7/06 11:43
2/6/06
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EDP266.578422211-3-9-9-1123
9/2/05 11:01
8/31/05
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EMADP306.04452217D742791-90101312-7-53
9/1/05 10:33
8/30/05
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EMADP326.20452212D76255-5-11-6-304515-3-16
8/12/05 15:02
8/12/05
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EDP146.27521207D1154716251-6-61-3-44-42-11
5/23/05 14:58
5/20/05
TMOThermo Electron CorpDEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADP1427.25251135D41-5-10-1108210-2-151235
5/23/05 12:33
5/20/05
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EMADP295.8855775D96354-171213813147-1-8
3/21/05 14:45
3/18/05
TMOThermo Electron CorpDEElectrLabEqMeasuring & Controlling DevicPorter Michael EMADP2126.17241254D42-4-6-14-5-4-5-4-1-2-621737
9/30/04 11:02
2/26/02
PMTCParametric Technology CorpMATechSoftwPrepackaged SoftwarePorter Michael EDS-27.3530078D183571351161416112728

DDerivative transaction in filing (usually option exercise)
MMultiple transactions in filing; earliest reported transaction date and weighted average transaction price
AAmended filing
EError detected in filing
S - SaleSale of securities on an exchange or to another person
S - Sale+OESale of securities on an exchange or to another person (after option exercise)
F - TaxPayment of exercise price or tax liability using portion of securities received from the company
P - PurchasePurchase of securities on an exchange or from another person
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