Insider Trading activities at Macrogenics Inc (MGNX)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Macrogenics Inc (MGNX) since 2014 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Macrogenics Inc. Table 2 shows the detailed insider transactions. This company's CIK number is 1125345.

Total stock buying since 2014: $35,955,090.
Total stock sales since 2014: $17,696,557.
Total stock option exercises since 2014: $4,346,541.

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at *Macrogenics Inc* (*MGNX*).
	Insider Buying		Insider Sales		Option Exercises
Year	Shares	Value	Shares	Value	Shares	Value
2025	100,000	$150,515	423	$1,082	309,501	$0
2024	0	$0	274,520	$4,860,176	344,570	$1,509,957
2023	865,000	$4,328,550	24,252	$222,703	18,125	$0
2022	1,154,399	$5,854,525	0	$0	75,581	$106,292
2021	1,250,000	$25,449,500	50,666	$1,476,292	40,289	$373,203
2020	0	$0	119,600	$3,331,403	218,683	$667,100
2019	0	$0	12,762	$332,724	75,390	$215,503
2018	0	$0	42,967	$1,098,023	106,483	$123,446
2017	0	$0	35,000	$700,000	183,162	$318,952
2016	10,000	$172,000	65,153	$1,891,799	275,147	$425,427
2015	0	$0	110,639	$3,782,355	150,830	$583,161
2014	0	$0	0	$0	5,000	$23,500

Table 2. Monthly summary of insider trading at *Macrogenics Inc* (*MGNX*).
Trading Period	Insider Buying		Insider Sales		Option Exercises
year-month	Shares	Value	Shares	Value	Shares	Value
2025-08	100,000	$150,515	0	$0	52,829	$0
2025-05	0	$0	0	$0	58,500	$0
2025-02	0	$0	423	$1,082	198,172	$0
2024-05	0	$0	0	$0	40,500	$0
2024-04	0	$0	51,395	$852,334	42,500	$204,850
2024-03	0	$0	100,784	$2,052,502	44,625	$479,690
2024-02	0	$0	109,025	$1,795,548	216,945	$825,417
2024-01	0	$0	13,316	$159,792	0	$0
2023-12	0	$0	18,880	$190,310	0	$0
2023-10	150,000	$669,600	0	$0	0	$0
2023-09	200,000	$1,052,800	0	$0	0	$0
2023-08	15,000	$73,650	0	$0	0	$0
2023-03	0	$0	5,372	$32,393	0	$0
2023-02	500,000	$2,532,500	0	$0	18,125	$0
2022-12	400,000	$2,298,600	0	$0	0	$0
2022-11	300,000	$1,788,300	0	$0	0	$0
2022-10	454,399	$1,767,625	0	$0	8,500	$12,835
2022-05	0	$0	0	$0	58,265	$80,430
2022-03	0	$0	0	$0	8,816	$13,027
2021-11	200,000	$3,700,400	0	$0	2,540	$40,640
2021-09	800,000	$16,474,900	0	$0	0	$0
2021-07	0	$0	5,000	$125,050	5,000	$37,550
2021-06	250,000	$5,274,200	0	$0	0	$0
2021-04	0	$0	5,000	$154,550	5,000	$37,550

Table 3. Detailed insider trading at *Macrogenics Inc* (*MGNX*)
Trade Date	Insider Name	Trade Type	Shares	Price ($)	Value ($)
2025-08-20	Heiden William K (Director)	Buy	49,500	1.49	73,755
2025-08-19	Heiden William K (Director)	Buy	50,500	1.52	76,760
2025-08-13	Koenig Scott (Director)	Option Ex	52,829	.00	0
2025-05-20	Siegel Jay Philip (Director)	Option Ex	6,500	.00	0
2025-05-20	Ferrante Karen Jean (Director)	Option Ex	6,500	.00	0
2025-05-20	Jackson Scott Thomas (Director)	Option Ex	6,500	.00	0
2025-05-20	Chhabra Meenu (Director)	Option Ex	6,500	.00	0
2025-05-20	Liu Margaret (Director)	Option Ex	6,500	.00	0
2025-05-20	Heiden William K (Director)	Option Ex	6,500	.00	0
2025-05-20	Hurwitz Edward (Director)	Option Ex	6,500	.00	0
2025-05-20	Stump David C (Director)	Option Ex	6,500	.00	0
2025-05-20	O'brien Federica F. (Director)	Option Ex	6,500	.00	0
2025-02-15	Smith Beth Ann (VP, Controller & Treasurer)	Sale	423	2.56	1,082
2025-02-15	Smith Beth Ann (VP, Controller & Treasurer)	Option Ex	1,095	.00	0
2025-02-15	Peters Jeffrey Stuart (Senior VP and General Counsel)	Option Ex	13,332	.00	0
2025-02-15	Spitznagel Thomas (Sr VP, Technical Ops)	Option Ex	13,332	.00	0
2025-02-15	Eck Stephen L. (Chief Medical Officer)	Option Ex	16,665	.00	0
2025-02-15	Bonvini Ezio (Sr VP, Research & CSO)	Option Ex	16,665	.00	0
2025-02-15	Risser Eric Blasius (Chief Operating Officer)	Option Ex	16,665	.00	0
2025-02-15	Koenig Scott (President and CEO)	Option Ex	42,329	.00	0
2025-02-15	Karrels James (SVP, CFO and Secretary)	Option Ex	14,998	.00	0
2025-02-08	Smith Beth Ann (VP, Controller & Treasurer)	Option Ex	1,583	.00	0
2025-02-08	Peters Jeffrey Stuart (Senior VP and General Counsel)	Option Ex	9,001	.00	0
2025-02-08	Spitznagel Thomas (Sr VP, Technical Ops)	Option Ex	9,001	.00	0
2025-02-08	Eck Stephen L. (Chief Medical Officer)	Option Ex	11,168	.00	0
2025-02-08	Bonvini Ezio (Sr VP, Research & CSO)	Option Ex	11,168	.00	0
2025-02-08	Risser Eric Blasius (Chief Operating Officer)	Option Ex	11,168	.00	0
2025-02-08	Karrels James (SVP, CFO and Secretary)	Option Ex	10,002	.00	0
2024-05-20	Siegel Jay Philip (Director)	Option Ex	4,500	.00	0
2024-05-20	Ferrante Karen Jean (Director)	Option Ex	4,500	.00	0
2024-05-20	Jackson Scott Thomas (Director)	Option Ex	4,500	.00	0
2024-05-20	Chhabra Meenu (Director)	Option Ex	4,500	.00	0
2024-05-20	Liu Margaret (Director)	Option Ex	4,500	.00	0
2024-05-20	Heiden William K (Director)	Option Ex	4,500	.00	0
2024-05-20	Hurwitz Edward (Director)	Option Ex	4,500	.00	0
2024-05-20	Stump David C (Director)	Option Ex	4,500	.00	0
2024-05-20	O'brien Federica F. (Director)	Option Ex	4,500	.00	0
2024-04-04	Peters Jeffrey Stuart (Senior VP and General Counsel)	Sale	51,395	16.58	852,334
2024-04-04	Peters Jeffrey Stuart (Senior VP and General Counsel)	Option Ex	42,500	4.82	204,850
2024-03-06	Peters Jeffrey Stuart (Senior VP and General Counsel)	Sale	19,625	21.50	421,937
2024-03-06	Peters Jeffrey Stuart (Senior VP and General Counsel)	Option Ex	19,625	10.82	212,440
2024-03-04	Spitznagel Thomas (Sr VP, Technical Ops)	Sale	10,000	20.00	200,000
2024-03-04	Spitznagel Thomas (Sr VP, Technical Ops)	Option Ex	10,000	11.50	115,000
2024-03-04	Risser Eric Blasius (Chief Operating Officer)	Sale	41,159	19.82	815,565
2024-03-04	Risser Eric Blasius (Chief Operating Officer)	Option Ex	15,000	10.15	152,250
2024-03-04	Karrels James (SVP, CFO and Secretary)	Sale	30,000	20.50	615,000
2024-02-26	Peters Jeffrey Stuart (Senior VP and General Counsel)	Sale	16,124	17.22	277,655
2024-02-15	Peters Jeffrey Stuart (Senior VP and General Counsel)	Option Ex	13,336	.00	0
2024-02-15	Spitznagel Thomas (Sr VP, Technical Ops)	Option Ex	13,336	.00	0
2024-02-15	Eck Stephen L. (Chief Medical Officer)	Option Ex	16,670	.00	0
2024-02-15	Bonvini Ezio (Sr VP, Research & CSO)	Option Ex	16,670	.00	0
2024-02-15	Risser Eric Blasius (Chief Operating Officer)	Option Ex	16,670	.00	0
2024-02-15	Koenig Scott (President and CEO)	Option Ex	42,341	.00	0
2024-02-15	Karrels James (SVP, CFO and Secretary)	Option Ex	15,003	.00	0
2024-02-15	Cilinski Lynn (VP, Controller and Treasurer)	Option Ex	6,668	.00	0
2024-02-07	Bonvini Ezio (Sr VP, Research & CSO)	Sale	3,334	18.00	60,012
2024-02-05	Peters Jeffrey Stuart (Senior VP and General Counsel)	Sale	76,251	16.50	1,258,141
2024-02-05	Peters Jeffrey Stuart (Senior VP and General Counsel)	Option Ex	76,251	10.82	825,417
2024-02-01	Bonvini Ezio (Sr VP, Research & CSO)	Sale	13,316	15.00	199,740
2024-01-19	Bonvini Ezio (Sr VP, Research & CSO)	Sale	13,316	12.00	159,792
2023-12-20	Bonvini Ezio (Sr VP, Research & CSO)	Sale	18,880	10.08	190,310
2023-10-02	Bb Biotech Ag (10% Owner)	Buy	150,000	4.46	669,600
2023-09-07	Bb Biotech Ag (10% Owner)	Buy	200,000	5.26	1,052,800
2023-08-30	Hurwitz Edward (Director)	Buy	15,000	4.91	73,650
2023-03-10	Peters Jeffrey Stuart (Senior VP and General Counsel)	Sale	5,372	6.03	32,393
2023-02-22	Peters Jeffrey Stuart (Senior VP and General Counsel)	Option Ex	8,750	.00	0
2023-02-22	Bonvini Ezio (Sr VP, Research & CSO)	Option Ex	9,375	.00	0
2023-02-14	Bb Biotech Ag (10% Owner)	Buy	500,000	5.07	2,532,500
2022-12-27	Bb Biotech Ag (10% Owner)	Buy	200,000	5.61	1,121,800
2022-12-23	Bb Biotech Ag (10% Owner)	Buy	200,000	5.88	1,176,800
2022-11-22	Bb Biotech Ag (10% Owner)	Buy	300,000	5.96	1,788,300
2022-10-28	Risser Eric Blasius (Chief Operating Officer)	Option Ex	8,500	1.51	12,835
2022-10-20	Bb Biotech Ag (10% Owner)	Buy	285,977	4.00	1,143,622
2022-10-19	Bb Biotech Ag (10% Owner)	Buy	168,422	3.71	624,003
2022-05-16	Koenig Scott (President and CEO)	Option Ex	53,265	1.51	80,430
2022-05-14	Bonvini Ezio (Sr VP, Research & CSO)	Option Ex	5,000	.00	0
2022-03-28	Karrels James (SVP, CFO and Secretary)	Option Ex	8,316	1.51	12,557
2022-03-04	Risser Eric Blasius (Chief Operating Officer)	Option Ex	500	.94	470
2021-11-19	Bb Biotech Ag (10% Owner)	Buy	200,000	18.50	3,700,400
2021-11-16	Bonvini Ezio (Sr VP, Research & CSO)	Option Ex	2,540	16.00	40,640
2021-09-29	Bb Biotech Ag (10% Owner)	Buy	100,000	20.48	2,047,500
2021-09-28	Bb Biotech Ag (10% Owner)	Buy	100,000	20.64	2,064,000
2021-09-17	Bb Biotech Ag (10% Owner)	Buy	200,000	19.93	3,986,600
2021-09-16	Bb Biotech Ag (10% Owner)	Buy	400,000	20.94	8,376,800
2021-07-16	Spitznagel Thomas (Sr VP, BPD & Manufacturing)	Sale	5,000	25.01	125,050
2021-07-16	Spitznagel Thomas (Sr VP, BPD & Manufacturing)	Option Ex	5,000	7.51	37,550
2021-06-21	Bb Biotech Ag (10% Owner)	Buy	75,000	21.74	1,630,200
2021-06-16	Bb Biotech Ag (10% Owner)	Buy	100,000	21.04	2,104,400
2021-06-15	Bb Biotech Ag (10% Owner)	Buy	75,000	20.53	1,539,600
2021-04-15	Spitznagel Thomas (Sr VP, BPD & Manufacturing)	Sale	5,000	30.91	154,550
2021-04-15	Spitznagel Thomas (Sr VP, BPD & Manufacturing)	Option Ex	5,000	7.51	37,550
2021-03-22	Bonvini Ezio (Sr VP, Research & CSO)	Sale	3,917	32.00	125,344
2021-03-22	Karrels James (SVP, CFO and Secretary)	Sale	15,000	33.00	495,000
2021-03-08	Peters Jeffrey Stuart (General Counsel)	Sale	21,749	26.50	576,348
2021-03-08	Peters Jeffrey Stuart (General Counsel)	Option Ex	21,749	11.50	250,113
2021-01-28	Karrels James (SVP, CFO and Secretary)	Option Ex	6,000	1.23	7,350
2020-12-29	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	500	24.10	12,050
2020-12-29	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	500	1.51	755
2020-11-30	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	500	23.35	11,675
2020-11-30	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	500	1.51	755
2020-10-28	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	1,500	20.69	31,035
2020-10-28	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	1,500	1.51	2,265
2020-09-28	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	500	25.33	12,665
2020-09-28	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	500	1.51	755
2020-09-18	Bonvini Ezio (Sr VP, Research & CSO)	Sale	18,339	32.00	586,848
2020-09-17	Bonvini Ezio (Sr VP, Research & CSO)	Sale	44,512	29.88	1,330,018
2020-09-09	Galbraith Kenneth	Sale	20,773	27.11	563,156
2020-09-09	Galbraith Kenneth	Option Ex	20,773	18.07	375,471
2020-08-20	Spitznagel Thomas (Sr VP, BPD & Manufacturing)	Sale	7,500	26.87	201,525
2020-08-20	Spitznagel Thomas (Sr VP, BPD & Manufacturing)	Option Ex	7,500	7.51	56,325
2020-07-27	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	4,489	25.30	113,571
2020-07-27	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	4,489	1.23	5,499
2020-07-02	Peters Jeffrey Stuart (General Counsel)	Sale	202	30.00	6,060
2020-07-02	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	3,100	30.00	93,000
2020-07-02	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	3,100	1.51	4,681
2020-06-24	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	500	28.49	14,245
2020-06-24	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	500	.94	470
2020-05-26	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	500	26.59	13,295
2020-05-26	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	500	.94	470
2020-05-20	Spitznagel Thomas (Sr VP, BPD & Manufacturing)	Sale	7,500	25.30	189,750
2020-05-20	Spitznagel Thomas (Sr VP, BPD & Manufacturing)	Option Ex	7,500	7.51	56,325
2020-05-06	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	8,032	17.50	140,560
2020-05-06	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	8,032	1.23	9,839
2020-04-16	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	6,000	.94	5,640
2020-03-13	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	6,000	.94	5,640
2020-03-11	Koenig Scott (President and CEO)	Option Ex	133,163	.94	125,173
2020-03-06	Karrels James (SVP, CFO and Secretary)	Option Ex	4,473	.94	4,204
2020-02-20	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	500	10.84	5,420
2020-02-20	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	500	.94	470
2020-02-05	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	623	10.00	6,230
2020-02-05	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	623	.94	585
2020-02-04	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	30	10.00	300
2020-02-04	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	30	.94	28
2020-01-30	Karrels James (SVP, CFO and Secretary)	Option Ex	12,500	.94	11,750
2019-09-27	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	1,662	.94	1,562
2019-05-22	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	1,000	19.03	19,026
2019-05-22	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	1,000	.94	940
2019-05-20	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	3,000	18.38	55,131
2019-05-20	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	3,000	.94	2,820
2019-03-14	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	2,497	.94	2,347
2019-02-06	Peters Jeffrey Stuart (General Counsel)	Sale	68	30.00	2,040
2019-02-06	Spitznagel Thomas (Sr VP, BPD & Manufacturing)	Sale	1,770	30.00	53,100
2019-02-06	Spitznagel Thomas (Sr VP, BPD & Manufacturing)	Option Ex	1,770	7.51	13,292
2019-02-06	Fust Matthew K	Sale	6,924	29.38	203,427
2019-02-06	Fust Matthew K	Option Ex	6,924	20.15	139,518
2019-01-28	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	6,000	.94	5,640
2019-01-24	Karrels James (SVP, CFO and Secretary)	Option Ex	7,326	.94	6,886
2019-01-08	Karrels James (SVP, CFO and Secretary)	Option Ex	5,314	.94	4,995
2019-01-03	Koenig Scott (President and CEO)	Option Ex	39,897	.94	37,503
2018-12-18	Karrels James (SVP, CFO and Secretary)	Option Ex	5,000	.94	4,700
2018-12-12	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	5,000	.94	4,700
2018-11-27	Karrels James (SVP, CFO and Secretary)	Option Ex	3,000	.94	2,820
2018-11-13	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	4,000	.94	3,760
2018-11-13	Koenig Scott (President and CEO)	Option Ex	40,000	.94	37,600
2018-10-22	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	3,000	.94	2,820
2018-03-12	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	1,000	31.08	31,080
2018-03-12	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	1,000	.94	940
2018-03-05	Karrels James (SVP, CFO and Secretary)	Sale	5,000	31.00	155,000
2018-03-02	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	4,000	30.00	120,000
2018-03-02	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	4,000	.94	3,760
2018-02-28	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	1,000	25.00	25,005
2018-02-28	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	1,000	.94	940
2018-02-28	Cilinski Lynn (VP, Controller and Treasurer)	Sale	23,967	25.01	599,438
2018-02-28	Cilinski Lynn (VP, Controller and Treasurer)	Option Ex	23,967	1.13	27,082
2018-01-24	Risser Eric Blasius (Sr VP & Chief Business Officer)	Sale	3,000	22.50	67,500
2018-01-24	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	3,000	.94	2,820
2018-01-17	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	2,000	.94	1,880
2018-01-17	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Sale	2,524	20.00	50,480
2018-01-17	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Option Ex	2,524	4.70	11,862
2018-01-16	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Sale	2,476	20.00	49,520
2018-01-16	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Option Ex	2,476	4.70	11,637
2018-01-16	Karrels James (SVP, CFO and Secretary)	Option Ex	6,516	.94	6,125
2017-12-29	Karrels James (SVP, CFO and Secretary)	Option Ex	3,000	.94	2,820
2017-11-21	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Sale	5,000	20.00	100,000
2017-11-21	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Option Ex	5,000	4.70	23,500
2017-10-25	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Sale	10,000	20.00	200,000
2017-10-25	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Option Ex	10,000	4.70	47,000
2017-09-05	Risser Eric Blasius (Sr VP & Chief Business Officer)	Option Ex	2,000	.94	1,880
2017-09-05	Karrels James (SVP, CFO and Secretary)	Option Ex	5,000	.94	4,700
2017-07-26	Bonvini Ezio (Sr VP, Research & CSO)	Option Ex	53,264	1.23	65,248
2017-06-05	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Sale	5,000	20.00	100,000
2017-06-05	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Option Ex	5,000	4.70	23,500
2017-04-19	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Sale	15,000	20.00	300,000
2017-04-19	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Option Ex	15,000	4.70	70,500
2017-01-25	Karrels James (SVP, CFO and Secretary)	Option Ex	5,000	.94	4,700
2017-01-17	Koenig Scott (President and CEO)	Option Ex	79,898	.94	75,104
2016-10-19	Bonvini Ezio (Sr VP, Research & CSO)	Option Ex	5,349	.94	5,028
2016-10-03	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Sale	10,000	29.34	293,400
2016-10-03	Wigginton Jon Marc (Sr VP, Clinical Dev. & CMO)	Option Ex	10,000	4.70	47,000
2016-10-03	Cilinski Lynn (VP, Controller and Treasurer)	Sale	6,231	29.28	182,443
2016-10-03	Cilinski Lynn (VP, Controller and Treasurer)	Option Ex	6,231	.94	5,857
2016-08-01	Wigginton Jon Marc (Sr VP Clinical Dev & CMO)	Sale	20,000	30.78	615,600
2016-08-01	Wigginton Jon Marc (Sr VP Clinical Dev & CMO)	Option Ex	20,000	4.70	94,000
2016-07-01	Wigginton Jon Marc (Sr VP Clinical Dev & CMO)	Sale	5,000	27.22	136,100
2016-07-01	Wigginton Jon Marc (Sr VP Clinical Dev & CMO)	Option Ex	5,000	4.70	23,500
2016-07-01	Cilinski Lynn (VP, Controller and Treasurer)	Sale	8,922	27.22	242,856
2016-07-01	Cilinski Lynn (VP, Controller and Treasurer)	Option Ex	8,922	.94	8,386
2016-05-27	Cilinski Lynn (VP, Controller and Treasurer)	Sale	5,000	25.00	125,000
2016-05-27	Cilinski Lynn (VP, Controller and Treasurer)	Option Ex	5,000	.94	4,700
2016-05-16	Koenig Scott (President and CEO)	Option Ex	34,619	.94	32,541
2016-05-11	Koenig Scott (President and CEO)	Option Ex	79,898	.94	75,104
2016-03-03	Costa Paulo F	Buy	10,000	17.20	172,000
2016-02-11	Bonvini Ezio (Sr VP, Research & CSO)	Option Ex	11,962	.94	11,244
2016-02-08	Risser Eric Blasius (SVP, Business Development)	Option Ex	2,500	.94	2,350
2016-01-29	Karrels James (SVP, CFO and Secretary)	Option Ex	10,000	.94	9,400
2016-01-07	Bonvini Ezio (Senior VP, Research)	Option Ex	13,316	.94	12,517
2016-01-07	Stein Kathryn E (SVP, Product Dev. & Regulatory)	Option Ex	52,350	.89	46,800
2016-01-04	Wigginton Jon Marc (Sr VP, Clinical)	Sale	10,000	29.64	296,400
2016-01-04	Wigginton Jon Marc (Sr VP, Clinical)	Option Ex	10,000	4.70	47,000
2015-12-23	Risser Eric Blasius (SVP, Business Development)	Option Ex	1,500	.94	1,410
2015-11-23	Cilinski Lynn (VP, Controller and Treasurer)	Sale	6,921	35.00	242,235
2015-11-23	Cilinski Lynn (VP, Controller and Treasurer)	Option Ex	1,185	.94	1,113
2015-11-16	Bonvini Ezio (Senior VP, Research)	Sale	3,117	31.44	97,998
2015-10-15	Bonvini Ezio (Senior VP, Research)	Sale	6,233	25.21	157,133
2015-10-13	Bonvini Ezio (Senior VP, Research)	Option Ex	29,042	13.12	381,031
2015-10-07	Karrels James (SVP, CFO and Secretary)	Option Ex	6,000	.94	5,640
2015-10-02	Bonvini Ezio (Senior VP, Research)	Option Ex	17,877	.94	16,804
2015-10-01	Wigginton Jon Marc (Sr VP, Clinical)	Sale	5,000	21.11	105,550
2015-10-01	Wigginton Jon Marc (Sr VP, Clinical)	Option Ex	5,000	4.70	23,500
2015-09-18	Bonvini Ezio (Senior VP, Research)	Option Ex	7,000	.94	6,580
2015-09-16	Bonvini Ezio (Senior VP, Research)	Option Ex	4,000	.94	3,760
2015-08-27	Bonvini Ezio (Senior VP, Research)	Option Ex	5,000	.94	4,700
2015-08-26	Bonvini Ezio (Senior VP, Research)	Option Ex	5,000	.94	4,700
2015-08-10	Bonvini Ezio (Senior VP, Research)	Option Ex	4,000	.94	3,760
2015-08-03	Wigginton Jon Marc (Sr VP, Clinical)	Sale	10,000	37.15	371,500
2015-08-03	Wigginton Jon Marc (Sr VP, Clinical)	Option Ex	10,000	4.70	47,000
2015-07-10	Bonvini Ezio (Senior VP, Research)	Sale	2,400	38.09	91,416
2015-07-10	Bonvini Ezio (Senior VP, Research)	Option Ex	2,400	.71	1,704
2015-07-01	Wigginton Jon Marc (Sr VP, Clinical)	Sale	5,000	37.15	185,750
2015-07-01	Wigginton Jon Marc (Sr VP, Clinical)	Option Ex	5,000	4.70	23,500
2015-07-01	Cilinski Lynn (VP, Controller and Treasurer)	Sale	6,921	37.15	257,115
2015-07-01	Cilinski Lynn (VP, Controller and Treasurer)	Option Ex	8,815	.94	8,286
2015-06-30	Bonvini Ezio (Senior VP, Research)	Sale	6,497	38.07	247,340
2015-06-30	Bonvini Ezio (Senior VP, Research)	Option Ex	6,497	.71	4,612
2015-06-24	Bonvini Ezio (Senior VP, Research)	Sale	6,097	38.08	232,173
2015-06-23	Bonvini Ezio (Senior VP, Research)	Sale	13,054	38.14	497,879
2015-06-15	Bonvini Ezio (Senior VP, Research)	Sale	6,233	34.01	211,984
2015-06-15	Bonvini Ezio (Senior VP, Research)	Option Ex	6,233	.71	4,425
2015-06-15	Cilinski Lynn (VP, Controller and Treasurer)	Sale	10,700	35.00	374,500
2015-06-15	Cilinski Lynn (VP, Controller and Treasurer)	Option Ex	5,000	.94	4,700
2015-05-15	Bonvini Ezio (Senior VP, Research)	Sale	6,233	30.24	188,485
2015-05-15	Bonvini Ezio (Senior VP, Research)	Option Ex	6,233	.71	4,425
2015-04-15	Bonvini Ezio (Senior VP, Research)	Sale	6,233	33.98	211,797
2015-04-15	Bonvini Ezio (Senior VP, Research)	Option Ex	6,233	.71	4,425
2015-04-01	Wigginton Jon Marc (Sr VP, Clinical)	Sale	5,000	30.86	154,300
2015-02-02	Wigginton Jon Marc (Sr VP, Clinical)	Sale	5,000	31.04	155,200
2015-02-02	Wigginton Jon Marc (Sr VP, Clinical)	Option Ex	5,000	4.70	23,500
2014-04-01	Wigginton Jon Marc (Sr VP, Clinical)	Option Ex	5,000	4.70	23,500

Insider trading activities including stock purchases, stock sales, and option exercises of MGNX listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Macrogenics Inc (symbol MGNX, CIK number 1125345) see the Securities and Exchange Commission (SEC) website.

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