Over the 90-day window ending February 19, 2026, Macrogenics's three dominant insider ownership positions are held by TenPercentOwner Target N V Biotech (9.93Mn shares), Director Scott Koenig (1.29Mn shares), Svp And Cfo James Karrels (206.04K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Target N V Biotech | 9,929,963 | 04 Oct, 2023 | |
| Scott Koenig | 1,294,720 | 17 Feb, 2026 | |
| James Karrels | Svp And Cfo | 206,037 | 17 Feb, 2026 |
| Ezio Bonvini | Sr Vp And Research & Cso | 145,799 | 17 Feb, 2026 |
| William K Heiden | 111,000 | 21 Aug, 2025 | |
| Eric Blasius Risser | President And Ceo | 77,169 | 17 Feb, 2026 |
| Edward Hurwitz | 44,074 | 22 May, 2025 | |
| Thomas Spitznagel | Sr Vp And Technical Ops | 38,543 | 17 Feb, 2026 |
| Jeffrey Stuart Peters | Senior Vp And Gc And And Secretary | 31,105 | 17 Feb, 2026 |
| Stephen L. Eck | Chief Medical Officer | 29,377 | 19 Feb, 2025 |
| Beth Ann Smith | Vp And Controller & Treasurer | 12,781 | 17 Feb, 2026 |
| Federica F. O'Brien | 11,000 | 22 May, 2025 | |
| Scott Thomas Jackson | 11,000 | 22 May, 2025 | |
| Karen Jean Ferrante | 11,000 | 22 May, 2025 | |
| Meenu Chhabra | 11,000 | 22 May, 2025 | |
| Margaret Liu | 11,000 | 22 May, 2025 | |
| David C Stump | 11,000 | 22 May, 2025 | |
| Jay Philip Siegel | 11,000 | 22 May, 2025 | |
| Lynn Cilinski | Vp And Controller And Treasurer | 6,213 | 20 Feb, 2024 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 15 Feb, 2026 | James Karrels | Common Stock | A | 14,999 | - | 211,827 | D | M |
| 15 Feb, 2026 | James Karrels | Common Stock | D | 5,790 | $1.71 | 206,037 | D | F |
| 15 Feb, 2026 | Scott Koenig | Common Stock | A | 21,165 | $0.00 | 867,240 | D | M |
| 15 Feb, 2026 | Eric Blasius Risser | Common Stock | A | 16,665 | - | 83,602 | D | M |
| 15 Feb, 2026 | Eric Blasius Risser | Common Stock | D | 6,433 | $1.71 | 77,169 | D | F |
| 15 Feb, 2026 | Ezio Bonvini | Common Stock | A | 16,665 | - | 152,232 | D | M |
| 15 Feb, 2026 | Ezio Bonvini | Common Stock | D | 6,433 | $1.71 | 145,799 | D | F |
| 15 Feb, 2026 | Thomas Spitznagel | Common Stock | A | 13,332 | - | 44,063 | D | M |
| 15 Feb, 2026 | Thomas Spitznagel | Common Stock | D | 5,520 | $1.71 | 38,543 | D | F |
| 15 Feb, 2026 | Jeffrey Stuart Peters | Common Stock | D | 5,147 | $1.71 | 31,105 | D | F |
| 15 Feb, 2026 | Jeffrey Stuart Peters | Common Stock | A | 13,332 | - | 36,252 | D | M |
| 15 Feb, 2026 | Beth Ann Smith | Common Stock | A | 1,095 | - | 13,204 | D | M |
| 15 Feb, 2026 | Beth Ann Smith | Common Stock | D | 423 | $1.71 | 12,781 | D | F |
| 08 Feb, 2026 | James Karrels | Common Stock | A | 9,999 | - | 200,688 | D | M |
| 08 Feb, 2026 | James Karrels | Common Stock | D | 3,860 | $1.81 | 196,828 | D | F |
| 08 Feb, 2026 | Scott Koenig | Common Stock | A | 15,831 | - | 846,075 | D | M |
| 08 Feb, 2026 | Eric Blasius Risser | Common Stock | A | 11,166 | - | 71,248 | D | M |
| 08 Feb, 2026 | Eric Blasius Risser | Common Stock | D | 4,311 | $1.81 | 66,937 | D | F |
| 08 Feb, 2026 | Ezio Bonvini | Common Stock | A | 11,166 | - | 139,878 | D | M |
| 08 Feb, 2026 | Ezio Bonvini | Common Stock | D | 4,311 | $1.81 | 135,567 | D | F |