PORTER MICHAEL E

Insider CIK 1108494 · MACK Director · SMG Director · PMTC Director · TMO Director

Track record PRO

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Track record

See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.

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Trades across companies

Ticker	Code	Trade	Filed	Shares	Price	Value	Owned after
MACK MERRIMACK PHARMACEUTICALS	A Award deriv	2017-09-13	2017-09-15	7,500	—	$0	7,500	SEC↗
MACK MERRIMACK PHARMACEUTICALS	M Exercise deriv	2017-03-10	2017-03-13	60,000	—	$0	0	SEC↗
MACK MERRIMACK PHARMACEUTICALS	M Exercise deriv	2017-03-10	2017-03-13	25,000	—	$0	0	SEC↗
MACK MERRIMACK PHARMACEUTICALS	M Exercise	2017-03-10	2017-03-13	85,000	$2.69	$228.7K	839,448	SEC↗
MACK MERRIMACK PHARMACEUTICALS	A Award deriv	2016-06-14	2016-06-16	43,000	—	$0	43,000	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2016-03-17	2016-03-21	5,000	$7.20	$36.0K	754,448	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2016-03-15	2016-03-17	5,000	$7.65	$38.3K	749,448	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2016-03-08	2016-03-10	10,000	$7.09	$70.9K	744,448	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2016-03-03	2016-03-04	10,000	$6.27	$62.7K	734,448	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2016-03-02	2016-03-04	5,000	$6.63	$33.1K	724,448	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2016-03-01	2016-03-02	10,000	$6.60	$66.0K	719,448	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2016-02-29	2016-03-02	10,000	$5.61	$56.1K	709,448	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2015-08-21	2015-08-25	5,000	$9.76	$48.8K	699,448	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2015-08-14	2015-08-17	3,000	$10.18	$30.5K	694,448	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2015-08-13	2015-08-17	10,000	$10.65	$106.5K	691,448	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2015-08-12	2015-08-13	20,000	$10.16	$203.2K	681,448	SEC↗
MACK MERRIMACK PHARMACEUTICALS	A Award deriv	2015-05-13	2015-05-18	14,000	—	$0	14,000	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2015-05-13	2015-05-15	8,284	$11.79	$97.7K	661,448	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2015-03-24	2015-03-26	5,000	$11.70	$58.5K	653,164	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2015-03-20	2015-03-24	5,000	$11.77	$58.9K	648,164	SEC↗
MACK MERRIMACK PHARMACEUTICALS	G Gift	2015-03-17	2015-03-19	1,190	—	$0	643,164	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2015-03-17	2015-03-19	1,190	$11.77	$14.0K	644,354	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2015-03-11	2015-03-13	5,000	$11.33	$56.6K	643,164	SEC↗
PTC PTC INC.	M Exercise deriv	2015-03-04	2015-03-05	6,028	—	$0	0	SEC↗
PTC PTC INC.	M Exercise deriv	2015-03-04	2015-03-05	3,106	—	$0	0	SEC↗
PTC PTC INC.	M Exercise	2015-03-04	2015-03-05	9,134	—	$0	231,599	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2015-03-02	2015-03-04	5,000	$10.93	$54.6K	638,164	SEC↗
SMG SCOTTS MIRACLE-GRO CO	M Exercise deriv	2015-01-29	2015-02-02	1,082	—	$0	0	SEC↗
SMG SCOTTS MIRACLE-GRO CO	M Exercise deriv	2015-01-29	2015-02-02	1,932	—	$0	0	SEC↗
SMG SCOTTS MIRACLE-GRO CO	M Exercise	2015-01-29	2015-02-02	3,014	—	$0	22,204	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-12-10	2014-12-12	8	$61.86	$495	1,082	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-12-10	2014-12-12	14	$61.86	$866	1,932	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-12-10	2014-12-12	1	$61.86	$62	111	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-12-10	2014-12-12	17	$61.86	$1.1K	2,318	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2014-12-02	2014-12-04	8,000	$8.71	$69.7K	633,164	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2014-11-21	2014-11-24	5,675	$9.00	$51.1K	625,164	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2014-11-20	2014-11-24	6,234	$8.76	$54.6K	619,489	SEC↗
PTC PTC INC.	M Exercise deriv	2014-11-15	2014-11-17	3,107	—	$0	3,106	SEC↗
PTC PTC INC.	M Exercise	2014-11-15	2014-11-17	3,107	—	$0	222,465	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2014-11-14	2014-11-18	5,000	$8.29	$41.4K	613,255	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2014-11-12	2014-11-13	40,000	$8.37	$334.8K	608,255	SEC↗
SMG SCOTTS MIRACLE-GRO CO	J Other deriv	2014-10-22	2014-10-24	456	—	$0	9,156	SEC↗
SMG SCOTTS MIRACLE-GRO CO	J Other deriv	2014-10-22	2014-10-24	571	—	$0	11,562	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-09-17	2014-09-19	79	$56.41	$4.5K	2,301	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-09-17	2014-09-19	66	$56.41	$3.7K	1,918	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-09-17	2014-09-19	37	$56.41	$2.1K	1,074	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-09-17	2014-09-19	4	$56.41	$226	110	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-09-10	2014-09-12	18	$56.65	$1.0K	2,222	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-09-10	2014-09-12	1	$56.65	$57	106	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-09-10	2014-09-12	8	$56.65	$453	1,037	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-09-10	2014-09-12	15	$56.65	$850	1,852	SEC↗
SMG SCOTTS MIRACLE-GRO CO	P Buy	2014-08-15	2014-08-19	810	$56.89	$46.1K	19,190	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2014-06-23	2014-06-24	32,390	$6.84	$221.5K	568,255	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-06-10	2014-06-12	16	$60.83	$973	2,204	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-06-10	2014-06-12	1	$60.83	$61	105	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-06-10	2014-06-12	13	$60.83	$791	1,837	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-06-10	2014-06-12	7	$60.83	$426	1,029	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2014-05-16	2014-05-16	5,000	$6.50	$32.5K	535,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2014-05-14	2014-05-16	10,000	$6.49	$64.9K	530,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	A Award deriv	2014-05-13	2014-05-15	30,268	—	$0	30,268	SEC↗
MACK MERRIMACK PHARMACEUTICALS	M Exercise deriv	2014-05-08	2014-05-09	5,000	—	$0	0	SEC↗
MACK MERRIMACK PHARMACEUTICALS	M Exercise deriv	2014-05-08	2014-05-09	2,500	—	$0	0	SEC↗
MACK MERRIMACK PHARMACEUTICALS	M Exercise deriv	2014-05-08	2014-05-09	2,500	—	$0	0	SEC↗
MACK MERRIMACK PHARMACEUTICALS	M Exercise deriv	2014-05-08	2014-05-09	10,000	—	$0	0	SEC↗
MACK MERRIMACK PHARMACEUTICALS	M Exercise	2014-05-08	2014-05-09	2,500	$1.81	$4.5K	510,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	M Exercise	2014-05-08	2014-05-09	10,000	$1.71	$17.1K	505,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	M Exercise	2014-05-08	2014-05-09	2,500	$2.59	$6.5K	508,365	SEC↗
MACK MERRIMACK PHARMACEUTICALS	M Exercise	2014-05-08	2014-05-09	5,000	$2.12	$10.6K	515,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2014-05-08	2014-05-09	5,000	$6.48	$32.4K	520,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2014-05-07	2014-05-09	5,000	$6.70	$33.5K	495,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2014-05-05	2014-05-05	15,000	$6.41	$96.2K	485,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2014-05-05	2014-05-07	5,000	$6.12	$30.6K	490,865	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-05-01	2014-05-05	1,022	—	$0	1,022	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-03-10	2014-03-12	1	$59.57	$60	104	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-03-10	2014-03-12	13	$59.57	$774	1,824	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-03-10	2014-03-12	16	$59.57	$953	2,188	SEC↗
PTC PTC INC.	A Award deriv	2014-03-05	2014-03-07	6,028	—	$0	6,028	SEC↗
PTC PTC INC.	M Exercise deriv	2014-03-05	2014-03-07	8,779	—	$0	0	SEC↗
PTC PTC INC.	M Exercise	2014-03-05	2014-03-07	8,779	—	$0	219,358	SEC↗
PTC PTC INC.	M Exercise deriv	2014-02-12	2014-02-14	10,000	—	$0	0	SEC↗
PTC PTC INC.	S Sale	2014-02-12	2014-02-14	10,000	$37.18	$371.8K	210,579	SEC↗
PTC PTC INC.	M Exercise	2014-02-12	2014-02-14	10,000	$11.48	$114.8K	220,579	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2014-01-31	2014-02-04	1,811	—	$0	1,811	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2013-12-17	2013-12-18	12,500	$4.80	$60.0K	470,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2013-12-16	2013-12-18	12,500	$4.71	$58.9K	458,365	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2013-12-10	2013-12-12	1	$59.63	$60	103	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2013-12-10	2013-12-12	16	$59.63	$954	2,172	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2013-12-10	2013-12-11	18,000	$4.38	$78.8K	445,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2013-12-03	2013-12-04	5,000	$4.25	$21.3K	427,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2013-12-02	2013-12-04	70,000	$4.17	$291.9K	422,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2013-11-29	2013-12-02	25,000	$3.79	$94.8K	352,865	SEC↗
PMTC PTC INC.	A Award deriv	2013-11-27	2013-12-02	6,213	—	$0	6,213	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2013-11-27	2013-12-02	50,000	$3.51	$175.5K	327,865	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2013-09-10	2013-09-12	17	$55.07	$936	2,156	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2013-09-10	2013-09-12	1	$55.07	$55	102	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2013-08-02	2013-08-06	101	—	$0	101	SEC↗
MACK MERRIMACK PHARMACEUTICALS	A Award deriv	2013-06-11	2013-06-13	30,268	—	$0	30,268	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2013-06-10	2013-06-12	15	$47.20	$708	2,139	SEC↗
SMG SCOTTS MIRACLE-GRO CO	P Buy	2013-05-14	2013-05-14	500	$48.25	$24.1K	18,380	SEC↗
SMG SCOTTS MIRACLE-GRO CO	P Buy	2013-05-10	2013-05-14	1,000	$47.88	$47.9K	17,880	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2013-03-08	2013-03-12	15	$46.73	$701	2,124	SEC↗
PMTC PTC INC.	A Award deriv	2013-03-06	2013-03-08	8,779	—	$0	8,779	SEC↗
PMTC PTC INC.	M Exercise deriv	2013-01-28	2013-01-29	10,000	—	$0	0	SEC↗
PMTC PTC INC.	M Exercise	2013-01-28	2013-01-29	10,000	$4.98	$49.8K	220,579	SEC↗
PMTC PTC INC.	S Sale	2013-01-28	2013-01-29	10,000	$23.56	$235.6K	210,579	SEC↗
SMG SCOTTS MIRACLE-GRO CO	A Award deriv	2013-01-18	2013-01-23	2,109	—	$0	2,109	SEC↗
MACK MERRIMACK PHARMACEUTICALS	M Exercise deriv	2012-12-17	2012-12-18	15,000	—	$0	0	SEC↗
MACK MERRIMACK PHARMACEUTICALS	M Exercise	2012-12-17	2012-12-18	15,000	$2.19	$32.9K	277,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2012-12-10	2012-12-12	10,000	$6.08	$60.8K	262,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	A Award deriv	2012-08-23	2012-08-27	21,300	—	$0	21,300	SEC↗
PMTC PARAMETRIC TECHNOLOGY CORP	M Exercise deriv	2012-05-29	2012-05-30	10,000	—	$0	0	SEC↗
PMTC PARAMETRIC TECHNOLOGY CORP	M Exercise	2012-05-29	2012-05-30	10,000	$8.50	$85.0K	220,579	SEC↗
PMTC PARAMETRIC TECHNOLOGY CORP	S Sale	2012-05-29	2012-05-30	10,000	$20.59	$205.9K	210,579	SEC↗
PMTC PARAMETRIC TECHNOLOGY CORP	M Exercise deriv	2012-05-23	2012-05-25	10,000	—	$0	10,000	SEC↗
PMTC PARAMETRIC TECHNOLOGY CORP	M Exercise	2012-05-23	2012-05-25	10,000	$8.50	$85.0K	220,579	SEC↗
PMTC PARAMETRIC TECHNOLOGY CORP	S Sale	2012-05-23	2012-05-25	10,000	$19.98	$199.8K	210,579	SEC↗
MACK MERRIMACK PHARMACEUTICALS	C Conversion deriv	2012-04-03	2012-04-05	28,570	—	$0	0	SEC↗
MACK MERRIMACK PHARMACEUTICALS	C Conversion deriv	2012-04-03	2012-04-05	34,286	—	$0	0	SEC↗
MACK MERRIMACK PHARMACEUTICALS	C Conversion deriv	2012-04-03	2012-04-05	25,000	—	$0	0	SEC↗
MACK MERRIMACK PHARMACEUTICALS	C Conversion deriv	2012-04-03	2012-04-05	33,000	—	$0	0	SEC↗
MACK MERRIMACK PHARMACEUTICALS	C Conversion deriv	2012-04-03	2012-04-05	56,509	—	$0	0	SEC↗
MACK MERRIMACK PHARMACEUTICALS	C Conversion	2012-04-03	2012-04-05	34,286	—	$0	166,295	SEC↗
MACK MERRIMACK PHARMACEUTICALS	C Conversion	2012-04-03	2012-04-05	33,000	—	$0	224,295	SEC↗
MACK MERRIMACK PHARMACEUTICALS	C Conversion	2012-04-03	2012-04-05	25,000	—	$0	191,295	SEC↗
MACK MERRIMACK PHARMACEUTICALS	C Conversion	2012-04-03	2012-04-05	28,570	—	$0	252,865	SEC↗
MACK MERRIMACK PHARMACEUTICALS	P Buy	2012-04-03	2012-04-05	12,500	$7.00	$87.5K	75,500	SEC↗
MACK MERRIMACK PHARMACEUTICALS	C Conversion	2012-04-03	2012-04-05	56,509	—	$0	132,009	SEC↗
TMO THERMO FISHER SCIENTIFIC I	M Exercise deriv	2012-03-09	2012-03-12	3,750	—	$0	0	SEC↗
TMO THERMO FISHER SCIENTIFIC I	M Exercise	2012-03-09	2012-03-12	3,750	$26.53	$99.5K	18,390	SEC↗
TMO THERMO FISHER SCIENTIFIC I	S Sale	2012-03-09	2012-03-12	2,694	$56.41	$152.0K	15,696	SEC↗
TMO THERMO FISHER SCIENTIFIC I	S Sale	2012-03-09	2012-03-12	756	$56.42	$42.7K	14,940	SEC↗
TMO THERMO FISHER SCIENTIFIC I	S Sale	2012-03-09	2012-03-12	300	$56.43	$16.9K	14,640	SEC↗
TMO THERMO FISHER SCIENTIFIC I	M Exercise deriv	2012-03-08	2012-03-12	3,750	—	$0	3,750	SEC↗
TMO THERMO FISHER SCIENTIFIC I	M Exercise	2012-03-08	2012-03-12	3,750	$26.53	$99.5K	18,390	SEC↗
TMO THERMO FISHER SCIENTIFIC I	S Sale	2012-03-08	2012-03-12	3,750	$56.05	$210.2K	14,640	SEC↗
PMTC PARAMETRIC TECHNOLOGY CORP	A Award	2012-03-07	2012-03-08	7,479	—	$0	210,579	SEC↗