MGNX Insider Transactions
162 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
MGNX insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Peters Jeffrey Stuart | Senior VP, GC, and Secretary | 2026-08-19 | Sale | 31,105 | $4.15 |
| HEIDEN WILLIAM K | Director | 2025-08-20 | Purchase | 49,500.0 | $1.49 |
| HEIDEN WILLIAM K | Director | 2025-08-19 | Purchase | 50,500.0 | $1.52 |
| Smith Beth Ann | VP, Controller & Treasurer | 2025-02-15 | Sale | 423.0 | $2.56 |
| Peters Jeffrey Stuart | Senior VP and General Counsel | 2024-04-04 | Sale | 3,165.0 | $18.22 |
| Peters Jeffrey Stuart | Senior VP and General Counsel | 2024-04-04 | Sale | 5,351.0 | $17.74 |
| Peters Jeffrey Stuart | Senior VP and General Counsel | 2024-04-04 | Sale | 232.0 | $16.38 |
| Peters Jeffrey Stuart | Senior VP and General Counsel | 2024-04-04 | Sale | 147.0 | $15.51 |
| Peters Jeffrey Stuart | Senior VP and General Counsel | 2024-04-04 | Sale | 42,500.0 | $15.07 |
| Peters Jeffrey Stuart | Senior VP and General Counsel | 2024-03-06 | Sale | 19,625.0 | $21.5 |
| Risser Eric Blasius | Chief Operating Officer | 2024-03-04 | Sale | 26,159.0 | $19.63 |
| Risser Eric Blasius | Chief Operating Officer | 2024-03-04 | Sale | 15,000.0 | $20.0 |
| Spitznagel Thomas | Sr VP, Technical Ops | 2024-03-04 | Sale | 10,000.0 | $20.0 |
| Karrels James | SVP, CFO and Secretary | 2024-03-04 | Sale | 30,000.0 | $20.5 |
| Peters Jeffrey Stuart | Senior VP and General Counsel | 2024-02-26 | Sale | 16,124.0 | $17.22 |
| Bonvini Ezio | Sr VP, Research & CSO | 2024-02-07 | Sale | 3,334.0 | $18.0 |
| Peters Jeffrey Stuart | Senior VP and General Counsel | 2024-02-05 | Sale | 21,875.0 | $16.5 |
| Peters Jeffrey Stuart | Senior VP and General Counsel | 2024-02-05 | Sale | 54,376.0 | $16.5 |
| Bonvini Ezio | Sr VP, Research & CSO | 2024-02-01 | Sale | 13,316.0 | $15.0 |
| Bonvini Ezio | Sr VP, Research & CSO | 2024-01-19 | Sale | 13,316.0 | $12.0 |
| Bonvini Ezio | Sr VP, Research & CSO | 2023-12-20 | Sale | 18,880.0 | $10.08 |
| BB BIOTECH AG | TenPercentOwner | 2023-10-02 | Purchase | 150,000.0 | $4.46 |
| BIOTECH TARGET N V | TenPercentOwner | 2023-10-02 | Purchase | 150,000.0 | $4.46 |
| BB BIOTECH AG | TenPercentOwner | 2023-09-07 | Purchase | 200,000.0 | $5.26 |
| BIOTECH TARGET N V | TenPercentOwner | 2023-09-07 | Purchase | 200,000.0 | $5.26 |
| HURWITZ EDWARD | Director | 2023-08-30 | Purchase | 15,000.0 | $4.91 |
| Peters Jeffrey Stuart | Senior VP and General Counsel | 2023-03-10 | Sale | 5,372.0 | $6.03 |
| BB BIOTECH AG | TenPercentOwner | 2023-02-14 | Purchase | 500,000.0 | $5.07 |
| BIOTECH TARGET N V | TenPercentOwner | 2023-02-14 | Purchase | 500,000.0 | $5.07 |
| BB BIOTECH AG | TenPercentOwner | 2023-01-19 | Purchase | 150,000.0 | $5.3 |
| BIOTECH TARGET N V | TenPercentOwner | 2023-01-19 | Purchase | 150,000.0 | $5.3 |
| BB BIOTECH AG | TenPercentOwner | 2022-12-27 | Purchase | 200,000.0 | $5.61 |
| BIOTECH TARGET N V | TenPercentOwner | 2022-12-27 | Purchase | 200,000.0 | $5.61 |
| BB BIOTECH AG | TenPercentOwner | 2022-12-23 | Purchase | 200,000.0 | $5.88 |
| BIOTECH TARGET N V | TenPercentOwner | 2022-12-23 | Purchase | 200,000.0 | $5.88 |
| BB BIOTECH AG | TenPercentOwner | 2022-11-22 | Purchase | 300,000.0 | $5.96 |
| BIOTECH TARGET N V | TenPercentOwner | 2022-11-22 | Purchase | 300,000.0 | $5.96 |
| BB BIOTECH AG | TenPercentOwner | 2022-10-24 | Purchase | 250,000.0 | $4.36 |
| BIOTECH TARGET N V | TenPercentOwner | 2022-10-24 | Purchase | 250,000.0 | $4.36 |
| BB BIOTECH AG | TenPercentOwner | 2022-10-21 | Purchase | 250,000.0 | $4.63 |
| BIOTECH TARGET N V | TenPercentOwner | 2022-10-21 | Purchase | 250,000.0 | $4.63 |
| BB BIOTECH AG | TenPercentOwner | 2022-10-20 | Purchase | 285,977.0 | $4.0 |
| BIOTECH TARGET N V | TenPercentOwner | 2022-10-20 | Purchase | 285,977.0 | $4.0 |
| BB BIOTECH AG | TenPercentOwner | 2022-10-19 | Purchase | 168,422.0 | $3.7 |
| BIOTECH TARGET N V | TenPercentOwner | 2022-10-19 | Purchase | 168,422.0 | $3.7 |
| Karrels James | SVP, CFO and Secretary | 2022-06-15 | Purchase | 40,000.0 | $2.47 |
| BB BIOTECH AG | TenPercentOwner | 2021-11-19 | Purchase | 200,000.0 | $18.5 |
| BIOTECH TARGET N V | TenPercentOwner | 2021-11-19 | Purchase | 200,000.0 | $18.5 |
| BB BIOTECH AG | TenPercentOwner | 2021-09-29 | Purchase | 100,000.0 | $20.47 |
| BIOTECH TARGET N V | TenPercentOwner | 2021-09-29 | Purchase | 100,000.0 | $20.47 |
| BB BIOTECH AG | TenPercentOwner | 2021-09-28 | Purchase | 100,000.0 | $20.64 |
| BIOTECH TARGET N V | TenPercentOwner | 2021-09-28 | Purchase | 100,000.0 | $20.64 |
| BB BIOTECH AG | TenPercentOwner | 2021-09-17 | Purchase | 200,000.0 | $19.93 |
| BIOTECH TARGET N V | TenPercentOwner | 2021-09-17 | Purchase | 200,000.0 | $19.93 |
| BB BIOTECH AG | TenPercentOwner | 2021-09-16 | Purchase | 400,000.0 | $20.94 |
| BIOTECH TARGET N V | TenPercentOwner | 2021-09-16 | Purchase | 400,000.0 | $20.94 |
| Spitznagel Thomas | Sr VP, BPD & Manufacturing | 2021-07-16 | Sale | 5,000.0 | $25.01 |
| BB BIOTECH AG | TenPercentOwner | 2021-06-21 | Purchase | 75,000.0 | $21.74 |
| BIOTECH TARGET N V | TenPercentOwner | 2021-06-21 | Purchase | 75,000.0 | $21.74 |
| BB BIOTECH AG | TenPercentOwner | 2021-06-16 | Purchase | 100,000.0 | $21.04 |
| BIOTECH TARGET N V | TenPercentOwner | 2021-06-16 | Purchase | 100,000.0 | $21.04 |
| BB BIOTECH AG | TenPercentOwner | 2021-06-15 | Purchase | 75,000.0 | $20.53 |
| BIOTECH TARGET N V | TenPercentOwner | 2021-06-15 | Purchase | 75,000.0 | $20.53 |
| Spitznagel Thomas | Sr VP, BPD & Manufacturing | 2021-04-15 | Sale | 5,000.0 | $30.91 |
| Karrels James | SVP, CFO and Secretary | 2021-03-22 | Sale | 15,000.0 | $33.0 |
| Bonvini Ezio | Sr VP, Research & CSO | 2021-03-22 | Sale | 3,917.0 | $32.0 |
| Peters Jeffrey Stuart | General Counsel | 2021-03-08 | Sale | 21,749.0 | $26.5 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-12-29 | Sale | 500.0 | $24.1 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-11-30 | Sale | 500.0 | $23.35 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-10-28 | Sale | 1,500.0 | $20.69 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-09-28 | Sale | 500.0 | $25.33 |
| Bonvini Ezio | Sr VP, Research & CSO | 2020-09-18 | Sale | 18,339.0 | $32.0 |
| Bonvini Ezio | Sr VP, Research & CSO | 2020-09-17 | Sale | 44,512.0 | $29.88 |
| Galbraith Kenneth | Director | 2020-09-09 | Sale | 6,924.0 | $27.11 |
| Galbraith Kenneth | Director | 2020-09-09 | Sale | 13,849.0 | $27.11 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-08-26 | Sale | 500.0 | $27.1 |
| Spitznagel Thomas | Sr VP, BPD & Manufacturing | 2020-08-20 | Sale | 7,500.0 | $26.87 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-07-27 | Sale | 3,000.0 | $25.63 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-07-27 | Sale | 1,000.0 | $25.14 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-07-27 | Sale | 489.0 | $25.13 |
| Peters Jeffrey Stuart | General Counsel | 2020-07-02 | Sale | 202.0 | $30.0 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-07-02 | Sale | 3,100.0 | $30.0 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-06-24 | Sale | 500.0 | $28.49 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-05-26 | Sale | 500.0 | $26.59 |
| Spitznagel Thomas | Sr VP, BPD & Manufacturing | 2020-05-20 | Sale | 7,500.0 | $25.3 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-05-06 | Sale | 3,532.0 | $25.0 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-05-06 | Sale | 3,000.0 | $20.0 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-05-06 | Sale | 1,000.0 | $15.0 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-05-06 | Sale | 500.0 | $10.0 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-02-20 | Sale | 500.0 | $10.84 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-02-05 | Sale | 623.0 | $10.0 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2020-02-04 | Sale | 30.0 | $10.0 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2019-05-22 | Sale | 1,000.0 | $19.03 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2019-05-20 | Sale | 3,000.0 | $18.38 |
| Fust Matthew K | Director | 2019-02-06 | Sale | 6,924.0 | $29.38 |
| Peters Jeffrey Stuart | General Counsel | 2019-02-06 | Sale | 68.0 | $30.0 |
| Spitznagel Thomas | Sr VP, BPD & Manufacturing | 2019-02-06 | Sale | 1,770.0 | $30.0 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2018-03-12 | Sale | 1,000.0 | $31.08 |
| Karrels James | SVP, CFO and Secretary | 2018-03-05 | Sale | 5,000.0 | $31.0 |
| Risser Eric Blasius | Sr VP & Chief Business Officer | 2018-03-02 | Sale | 4,000.0 | $30.0 |