SION Insider Transactions — Page 3
428 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 201–300; provenance stays internal.
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-18 | Sale | 2,728.0 | $39.57 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-18 | Sale | 2,728.0 | $39.57 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-18 | Sale | 2,728.0 | $39.57 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-18 | Sale | 2,728.0 | $39.57 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-11-18 | Sale | 332.0 | $39.57 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-11-18 | Sale | 332.0 | $39.57 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-18 | Sale | 332.0 | $39.57 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-18 | Sale | 332.0 | $39.57 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-18 | Sale | 332.0 | $39.57 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-18 | Sale | 332.0 | $39.57 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-11-17 | Sale | 331.0 | $42.1 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-11-17 | Sale | 331.0 | $42.1 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-17 | Sale | 331.0 | $42.1 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-17 | Sale | 331.0 | $42.1 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-17 | Sale | 331.0 | $42.1 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-17 | Sale | 331.0 | $42.1 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-11-17 | Sale | 280.0 | $42.1 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-11-17 | Sale | 280.0 | $42.1 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-17 | Sale | 280.0 | $42.1 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-17 | Sale | 280.0 | $42.1 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-17 | Sale | 280.0 | $42.1 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-17 | Sale | 280.0 | $42.1 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-11-17 | Sale | 433.0 | $42.1 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-11-17 | Sale | 433.0 | $42.1 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-17 | Sale | 433.0 | $42.1 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-17 | Sale | 433.0 | $42.1 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-17 | Sale | 433.0 | $42.1 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-17 | Sale | 433.0 | $42.1 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-11-17 | Sale | 53.0 | $42.1 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-11-17 | Sale | 53.0 | $42.1 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-17 | Sale | 53.0 | $42.1 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-17 | Sale | 53.0 | $42.1 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-17 | Sale | 53.0 | $42.1 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-17 | Sale | 53.0 | $42.1 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-11-17 | Sale | 10,707.0 | $41.05 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-11-17 | Sale | 10,707.0 | $41.05 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-17 | Sale | 10,707.0 | $41.05 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-17 | Sale | 10,707.0 | $41.05 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-17 | Sale | 10,707.0 | $41.05 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-17 | Sale | 10,707.0 | $41.05 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-11-17 | Sale | 9,063.0 | $41.05 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-11-17 | Sale | 9,063.0 | $41.05 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-17 | Sale | 9,063.0 | $41.05 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-17 | Sale | 9,063.0 | $41.05 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-17 | Sale | 9,063.0 | $41.05 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-17 | Sale | 9,063.0 | $41.05 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-11-17 | Sale | 13,964.0 | $41.05 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-11-17 | Sale | 13,964.0 | $41.05 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-17 | Sale | 13,964.0 | $41.05 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-17 | Sale | 13,964.0 | $41.05 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-17 | Sale | 13,964.0 | $41.05 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-17 | Sale | 13,964.0 | $41.05 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-11-17 | Sale | 1,701.0 | $41.05 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-11-17 | Sale | 1,701.0 | $41.05 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-17 | Sale | 1,701.0 | $41.05 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-17 | Sale | 1,701.0 | $41.05 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-17 | Sale | 1,701.0 | $41.05 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-17 | Sale | 1,701.0 | $41.05 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-11-17 | Sale | 13,734.0 | $40.2 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-11-17 | Sale | 13,734.0 | $40.2 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-17 | Sale | 13,734.0 | $40.2 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-17 | Sale | 13,734.0 | $40.2 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-17 | Sale | 13,734.0 | $40.2 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-17 | Sale | 13,734.0 | $40.2 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-11-17 | Sale | 11,626.0 | $40.2 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-11-17 | Sale | 11,626.0 | $40.2 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-17 | Sale | 11,626.0 | $40.2 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-17 | Sale | 11,626.0 | $40.2 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-17 | Sale | 11,626.0 | $40.2 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-17 | Sale | 11,626.0 | $40.2 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-11-17 | Sale | 17,913.0 | $40.2 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-11-17 | Sale | 17,913.0 | $40.2 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-17 | Sale | 17,913.0 | $40.2 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-17 | Sale | 17,913.0 | $40.2 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-17 | Sale | 17,913.0 | $40.2 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-17 | Sale | 17,913.0 | $40.2 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-11-17 | Sale | 2,182.0 | $40.2 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-11-17 | Sale | 2,182.0 | $40.2 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-11-17 | Sale | 2,182.0 | $40.2 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-11-17 | Sale | 2,182.0 | $40.2 |
| RA Capital Nexus Fund, L.P. | Director | 2025-11-17 | Sale | 2,182.0 | $40.2 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-11-17 | Sale | 2,182.0 | $40.2 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-10-28 | Sale | 10,476.0 | $39.58 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-10-28 | Sale | 10,476.0 | $39.58 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-10-28 | Sale | 10,476.0 | $39.58 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-10-28 | Sale | 10,476.0 | $39.58 |
| RA Capital Nexus Fund, L.P. | Director | 2025-10-28 | Sale | 10,476.0 | $39.58 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-10-28 | Sale | 10,476.0 | $39.58 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-10-28 | Sale | 17,118.0 | $39.58 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-10-28 | Sale | 17,118.0 | $39.58 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-10-28 | Sale | 17,118.0 | $39.58 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-10-28 | Sale | 17,118.0 | $39.58 |
| RA Capital Nexus Fund, L.P. | Director | 2025-10-28 | Sale | 17,118.0 | $39.58 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-10-28 | Sale | 17,118.0 | $39.58 |
| RA Capital Healthcare Fund LP | Director,TenPercentOwner | 2025-10-28 | Sale | 31,392.0 | $39.58 |
| RA CAPITAL MANAGEMENT, L.P. | Director,TenPercentOwner | 2025-10-28 | Sale | 31,392.0 | $39.58 |
| Kolchinsky Peter | Director,TenPercentOwner | 2025-10-28 | Sale | 31,392.0 | $39.58 |
| Shah Rajeev M. | Director,TenPercentOwner | 2025-10-28 | Sale | 31,392.0 | $39.58 |
| RA Capital Nexus Fund, L.P. | Director | 2025-10-28 | Sale | 31,392.0 | $39.58 |
| RA Capital Nexus Fund III, L.P. | Director | 2025-10-28 | Sale | 31,392.0 | $39.58 |