MACROGENICS INC (MGNX)

Latest Insider Confidence Score

2026Q1

40.2
Bearish

Company insider confidence (by quarter)

2013Q4 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Bb Biotech Ag 10% Owner 9,929,963 Oct 4, 2023
Biotech Target N V 10% Owner 9,929,963 Oct 4, 2023
MacRogenics Inc — 2,432,688 Jul 3, 2018
Oronsky Arnold L Director 1,708,716 Feb 18, 2014
Heiden William K Director 111,000 Aug 21, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 15, 2026 Feb 17, 2026 Bonvini Ezio Sr VP, Research & CSO Sell 26.3 -6,433 -4.23% ✗ $11K
Feb 15, 2026 Feb 17, 2026 Smith Beth Ann VP, Controller & Treasurer Sell 27.5 -423 -3.20% ✗ $723.3
Feb 15, 2026 Feb 17, 2026 Karrels James CFO Sell 27.5 -5,790 -2.73% ✗ $9.9K
Feb 15, 2026 Feb 17, 2026 Peters Jeffrey Stuart Senior VP, GC, and Secretary Sell 27.5 -5,147 -14.20% ✗ $8.8K
Feb 15, 2026 Feb 17, 2026 Spitznagel Thomas Sr VP, Technical Ops Sell 27.5 -5,520 -12.53% ✗ $9.4K
Feb 15, 2026 Feb 17, 2026 Risser Eric Blasius CEO Sell 26.3 -6,433 -7.69% ✗ $11K
Feb 15, 2026 Feb 17, 2026 Koenig Scott Director Neutral 52.5 - 0.00% ✗ -
Feb 8, 2026 Feb 10, 2026 Koenig Scott Director Neutral 52.5 - 0.00% ✗ -
Feb 7, 2026 Feb 10, 2026 Spitznagel Thomas Sr VP, Technical Ops Sell 26.3 -5,671 -9.25% ✗ $10.3K
Feb 7, 2026 Feb 10, 2026 Smith Beth Ann VP, Controller & Treasurer Sell 27.5 -1,623 -6.53% ✗ $2.9K
Feb 7, 2026 Feb 10, 2026 Risser Eric Blasius CEO Sell 26.3 -6,886 -5.14% ✗ $12.5K
Feb 7, 2026 Feb 10, 2026 Peters Jeffrey Stuart Senior VP, GC, and Secretary Sell 26.3 -5,791 -12.56% ✗ $10.5K
Feb 7, 2026 Feb 10, 2026 Karrels James CFO Sell 26.3 -6,306 -1.60% ✗ $11.4K
Feb 7, 2026 Feb 10, 2026 Bonvini Ezio Sr VP, Research & CSO Sell 26.3 -7,014 -2.59% ✗ $12.7K
Dec 8, 2025 Dec 10, 2025 Smith Beth Ann VP, Controller & Treasurer Neutral 52.5 - 0.00% ✗ -
Aug 19, 2025 Aug 21, 2025 HEIDEN WILLIAM K Director Buy 95.0 +100,000 909.09% ✗ $150.5K
Aug 15, 2025 Aug 19, 2025 Spitznagel Thomas Sr VP, Technical Ops Neutral 52.5 - 0.00% ✗ -
Aug 15, 2025 Aug 19, 2025 Peters Jeffrey Stuart Senior VP and General Counsel Neutral 52.5 - 0.00% ✗ -
Aug 13, 2025 Aug 15, 2025 Koenig Scott Director Neutral 52.5 - 0.00% ✗ -
Aug 13, 2025 Aug 15, 2025 Risser Eric Blasius CEO Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 O'Brien Federica F. Director Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 Jackson Scott Thomas Director Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 HEIDEN WILLIAM K Director Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 STUMP DAVID C Director Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 Liu Margaret Director Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 HURWITZ EDWARD Director Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 Chhabra Meenu Director Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 SIEGEL JAY PHILIP Director Neutral 52.5 - 0.00% ✗ -
Feb 15, 2025 Feb 19, 2025 Bonvini Ezio Sr VP, Research & CSO Neutral 52.5 - 0.00% ✗ -
Feb 15, 2025 Feb 19, 2025 Karrels James CFO Sell 26.3 -5,790 -3.01% ✗ $14.8K
Feb 15, 2025 Feb 19, 2025 Koenig Scott CEO Neutral 52.5 - 0.00% ✗ -
Feb 15, 2025 Feb 19, 2025 Peters Jeffrey Stuart Senior VP and General Counsel Sell 26.3 -5,147 -27.29% ✗ $13.2K
Feb 15, 2025 Feb 19, 2025 Risser Eric Blasius COO Sell 26.3 -6,433 -10.31% ✗ $16.5K
Feb 15, 2025 Feb 19, 2025 Smith Beth Ann VP, Controller & Treasurer Sell 27.5 -423 -4.25% ✗ $1.1K
Feb 15, 2025 Feb 19, 2025 Spitznagel Thomas Sr VP, Technical Ops Sell 26.3 -5,520 -20.50% ✗ $14.1K
Feb 15, 2025 Feb 19, 2025 Eck Stephen L. Chief Medical Officer Sell 26.3 -4,942 -14.40% ✗ $12.7K
Feb 8, 2025 Feb 11, 2025 Eck Stephen L. Chief Medical Officer Sell 27.5 -3,312 -15.80% ✗ $8.6K
Feb 8, 2025 Feb 11, 2025 Bonvini Ezio Sr VP, Research & CSO Sell 26.3 -4,311 -3.85% ✗ $11.2K
Feb 8, 2025 Feb 11, 2025 Risser Eric Blasius COO Sell 26.3 -4,311 -8.61% ✗ $11.2K
Feb 8, 2025 Feb 11, 2025 Karrels James CFO Sell 26.3 -3,861 -2.13% ✗ $10K
Feb 8, 2025 Feb 11, 2025 Smith Beth Ann VP, Controller & Treasurer Sell 27.5 -612 -6.46% ✗ $1.6K
Feb 8, 2025 Feb 11, 2025 Koenig Scott CEO Neutral 82.5 +31,673 4.50% ✗ -
Feb 8, 2025 Feb 11, 2025 Spitznagel Thomas Sr VP, Technical Ops Sell 27.5 -3,727 -21.52% ✗ $9.7K
Feb 8, 2025 Feb 11, 2025 Peters Jeffrey Stuart Senior VP and General Counsel Sell 27.5 -3,475 -38.61% ✗ $9K
Jan 13, 2025 Smith Beth Ann VP, Controller & Treasurer Neutral 52.5 - 0.00% ✗ -
Oct 7, 2024 Oct 9, 2024 Koenig Scott CEO Neutral 52.5 - 0.00% ✗ -
Sep 23, 2024 Sep 25, 2024 Koenig Scott CEO Neutral 52.5 - 0.00% ✗ -
May 21, 2024 May 24, 2024 Liu Margaret Director Neutral 52.5 - 0.00% ✗ -
May 21, 2024 May 23, 2024 SIEGEL JAY PHILIP Director Neutral 52.5 - 0.00% ✗ -
May 21, 2024 May 23, 2024 Chhabra Meenu Director Neutral 52.5 - 0.00% ✗ -
May 21, 2024 May 23, 2024 O'Brien Federica F. Director Neutral 52.5 - 0.00% ✗ -
May 21, 2024 May 23, 2024 Liu Margaret Director Neutral 52.5 - 0.00% ✗ -
May 21, 2024 May 23, 2024 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
May 21, 2024 May 23, 2024 STUMP DAVID C Director Neutral 52.5 - 0.00% ✗ -
May 21, 2024 May 23, 2024 HEIDEN WILLIAM K Director Neutral 52.5 - 0.00% ✗ -
May 21, 2024 May 23, 2024 HURWITZ EDWARD Director Neutral 52.5 - 0.00% ✗ -
May 21, 2024 May 23, 2024 Jackson Scott Thomas Director Neutral 52.5 - 0.00% ✗ -
May 20, 2024 May 22, 2024 SIEGEL JAY PHILIP Director Neutral 52.5 - 0.00% ✗ -
May 20, 2024 May 22, 2024 HEIDEN WILLIAM K Director Neutral 52.5 - 0.00% ✗ -
May 20, 2024 May 22, 2024 Jackson Scott Thomas Director Neutral 52.5 - 0.00% ✗ -
May 20, 2024 May 22, 2024 STUMP DAVID C Director Neutral 52.5 - 0.00% ✗ -
May 20, 2024 May 22, 2024 O'Brien Federica F. Director Neutral 52.5 - 0.00% ✗ -
May 20, 2024 May 22, 2024 Liu Margaret Director Neutral 52.5 - 0.00% ✗ -
May 20, 2024 May 22, 2024 Chhabra Meenu Director Neutral 52.5 - 0.00% ✗ -
May 20, 2024 May 22, 2024 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -
May 20, 2024 May 22, 2024 HURWITZ EDWARD Director Neutral 52.5 - 0.00% ✗ -
Apr 4, 2024 Apr 8, 2024 Peters Jeffrey Stuart Senior VP and General Counsel Sell 7.5 -51,395 -100.00% ✓ $799.1K
Mar 6, 2024 Mar 8, 2024 Peters Jeffrey Stuart Senior VP and General Counsel Sell 7.5 -19,625 -68.81% ✓ $421.9K
Mar 4, 2024 Mar 6, 2024 Risser Eric Blasius COO Sell 7.5 -41,159 -51.41% ✓ $813.5K
Mar 4, 2024 Mar 6, 2024 Spitznagel Thomas Sr VP, Technical Ops Sell 10.0 -10,000 -54.60% ✓ $200K
Mar 4, 2024 Mar 6, 2024 Karrels James CFO Sell 22.5 -30,000 -14.89% ✓ $615K
Feb 26, 2024 Feb 28, 2024 Peters Jeffrey Stuart Senior VP and General Counsel Sell 7.5 -16,124 -64.45% ✓ $277.7K
Feb 22, 2024 Feb 26, 2024 Peters Jeffrey Stuart Senior VP and General Counsel Sell 22.5 -10,126 -28.81% ✗ $173.3K
Feb 22, 2024 Feb 26, 2024 Bonvini Ezio Sr VP, Research & CSO Sell 22.5 -9,366 -8.49% ✗ $160.3K
Feb 15, 2024 Feb 20, 2024 Eck Stephen L. Chief Medical Officer Sell 22.5 -6,872 -41.22% ✗ $119.6K
Feb 15, 2024 Feb 20, 2024 Peters Jeffrey Stuart Senior VP and General Counsel Sell 22.5 -4,441 -33.30% ✗ $77.3K
Feb 15, 2024 Feb 20, 2024 Koenig Scott CEO Sell 22.5 -14,349 -1.31% ✗ $249.7K
Feb 15, 2024 Feb 20, 2024 Cilinski Lynn VP, Controller and Treasurer Sell 26.3 -2,378 -27.68% ✗ $41.4K
Feb 15, 2024 Feb 20, 2024 Risser Eric Blasius COO Sell 22.5 -5,879 -8.29% ✗ $102.3K
Feb 15, 2024 Feb 20, 2024 Karrels James CFO Sell 22.5 -5,327 -2.58% ✗ $92.7K
Feb 15, 2024 Feb 20, 2024 Spitznagel Thomas Sr VP, Technical Ops Sell 22.5 -5,020 -37.64% ✗ $87.3K
Feb 15, 2024 Feb 20, 2024 Bonvini Ezio Sr VP, Research & CSO Sell 22.5 -5,871 -6.67% ✗ $102.2K
Feb 8, 2024 Feb 12, 2024 Cilinski Lynn VP, Controller and Treasurer Neutral 52.5 - 0.00% ✗ -
Feb 8, 2024 Feb 12, 2024 Spitznagel Thomas Sr VP, Technical Ops Neutral 52.5 - 0.00% ✗ -
Feb 8, 2024 Feb 12, 2024 Bonvini Ezio Sr VP, Research & CSO Neutral 52.5 - 0.00% ✗ -
Feb 8, 2024 Feb 12, 2024 Risser Eric Blasius COO Neutral 52.5 - 0.00% ✗ -
Feb 8, 2024 Feb 12, 2024 Peters Jeffrey Stuart Senior VP and General Counsel Neutral 52.5 - 0.00% ✗ -
Feb 8, 2024 Feb 12, 2024 Koenig Scott CEO Neutral 52.5 - 0.00% ✗ -
Feb 8, 2024 Feb 12, 2024 Karrels James CFO Neutral 52.5 - 0.00% ✗ -
Feb 8, 2024 Feb 12, 2024 Eck Stephen L. Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Feb 7, 2024 Feb 7, 2024 Bonvini Ezio Sr VP, Research & CSO Sell 37.5 -3,334 -4.47% ✓ $60K
Feb 5, 2024 Feb 7, 2024 Peters Jeffrey Stuart Senior VP and General Counsel Sell 5.0 -76,251 -100.00% ✓ $1.3M
Feb 1, 2024 Feb 2, 2024 Bonvini Ezio Sr VP, Research & CSO Sell 20.0 -13,316 -15.13% ✓ $199.7K
Jan 19, 2024 Jan 22, 2024 Bonvini Ezio Sr VP, Research & CSO Sell 25.0 -13,316 -13.15% ✓ $159.8K
Dec 20, 2023 Dec 21, 2023 Bonvini Ezio Sr VP, Research & CSO Sell 20.0 -18,880 -15.71% ✓ $190.3K
Oct 2, 2023 Oct 4, 2023 BIOTECH TARGET N V 10% Owner Buy 85.0 +150,000 1.53% ✗ $669.6K
Sep 7, 2023 Sep 11, 2023 BIOTECH TARGET N V 10% Owner Buy 87.5 +200,000 2.09% ✗ $1.1M
Aug 30, 2023 Sep 1, 2023 HURWITZ EDWARD Director Buy 95.0 +15,000 82.99% ✗ $73.7K
May 31, 2023 Jun 2, 2023 Ferrante Karen Jean Director Neutral 52.5 - 0.00% ✗ -