Insider Monitor Realtime Top 10
  1. Company List - M
  2. MGNX

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.


 1   2 
24 insiders reported insider trading activities at Macrogenics Inc (MGNX):
▪ Insider trading activities of Heiden William K
▪ Insider trading activities of Bb Biotech Ag
▪ Insider trading activities of O'brien Federica F.
▪ Insider trading activities of Bonvini Ezio
▪ Insider trading activities of Wigginton Jon Marc
▪ Insider trading activities of Siegel Jay Philip
▪ Insider trading activities of Costa Paulo F
▪ Insider trading activities of Galbraith Kenneth
▪ Insider trading activities of Koenig Scott
▪ Insider trading activities of Peters Jeffrey Stuart
▪ Insider trading activities of Liu Margaret
▪ Insider trading activities of Jackson Scott Thomas
▪ Insider trading activities of Risser Eric Blasius
▪ Insider trading activities of Hurwitz Edward
▪ Insider trading activities of Stump David C
▪ Insider trading activities of Cilinski Lynn
▪ Insider trading activities of Stein Kathryn E
▪ Insider trading activities of Fust Matthew K
▪ Insider trading activities of Spitznagel Thomas
▪ Insider trading activities of Karrels James
▪ Insider trading activities of Ferrante Karen Jean
▪ Insider trading activities of Eck Stephen L.
▪ Insider trading activities of Smith Beth Ann
▪ Insider trading activities of Chhabra Meenu

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
2026 0 $0 0 $0 102,365 $0
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
2026-02 0 $0 0 $0 102,365 $0
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

Table 3. Detailed insider trading at Macrogenics Inc (MGNX)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2026-02-08 Smith Beth Ann (VP, Controller & Treasurer) Option Ex 1,583 .00 0
2026-02-08 Peters Jeffrey Stuart (Senior VP, GC, and Secretary) Option Ex 8,999 .00 0
2026-02-08 Spitznagel Thomas (Sr VP, Technical Ops) Option Ex 8,999 .00 0
2026-02-08 Bonvini Ezio (Sr VP, Research & CSO) Option Ex 11,166 .00 0
2026-02-08 Risser Eric Blasius (President and CEO) Option Ex 11,166 .00 0
2026-02-08 Koenig Scott (Director) Option Ex 15,831 .00 0
2026-02-08 Karrels James (SVP and CFO) Option Ex 9,999 .00 0
2026-02-07 Smith Beth Ann (VP, Controller & Treasurer) Option Ex 2,617 .00 0
2026-02-07 Peters Jeffrey Stuart (Senior VP, GC, and Secretary) Option Ex 6,001 .00 0
2026-02-07 Spitznagel Thomas (Sr VP, Technical Ops) Option Ex 6,001 .00 0
2026-02-07 Bonvini Ezio (Sr VP, Research & CSO) Option Ex 7,001 .00 0
2026-02-07 Risser Eric Blasius (President and CEO) Option Ex 6,668 .00 0
2026-02-07 Karrels James (SVP and CFO) Option Ex 6,334 .00 0
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
 1   2 

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.



▪ Real-time Insider Trading

▪ Insider Officer Cluster Trading

▪ Top Officer Buys of the Week

▪ Top Officer Buys of the Month




©2023, insider-monitor.com. All rights reserved.