🕵️ Kiniksa Pharmaceuticals International, PLC ($KNSA)
SEC insider & ownership activity, last 12 months · CIK 1730430 · every row links its SEC filing
Over the last 12 months insiders sold $79.5M with no open-market buying against it. Sanj K. Patel sold $39.4M through a 10b5-1 trading plan in 12 lots (Oct–May). 1 planned sale is pending, the largest $299K (Cole G Bradley). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 8 sellers, $79.5M (63 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Sanj K. Patel | 0 | – | 12 | $39.4M | May 1, 2026 |
| Tessari Eben | 0 | – | 16 | $12.9M | Dec 15, 2025 |
| John F. Paolini | 0 | – | 7 | $9.0M | May 1, 2026 |
| Ragosa Mark | 0 | – | 9 | $6.2M | Mar 9, 2026 |
| Malley Thomas | 0 | – | 3 | $5.9M | Aug 14, 2025 |
| Michael R. Megna | 0 | – | 5 | $3.2M | Apr 9, 2026 |
| Barry D. Quart | 0 | – | 8 | $2.7M | Apr 28, 2026 |
| Moat Ross | 0 | – | 3 | $319K | Apr 9, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| FMR LLC | 14.8% | 13G | May 6, 2026 | filing ↗ | |
| Abigail P. Johnson | 14.8% | 13G | May 6, 2026 | filing ↗ | |
| Rubric Capital Management LP | 9.2% | 13G | Jul 9, 2025 | filing ↗ | |
| David Rosen | 9.2% | 13G | Jul 9, 2025 | filing ↗ | |
| Rubric Capital Management LP | 7.4% | 13G | Feb 13, 2026 | filing ↗ | |
| David Rosen | 7.4% | 13G | Feb 13, 2026 | filing ↗ | |
| Julian C. Baker | 7.0% | 13D | May 21, 2026 | filing ↗ | |
| Felix J. Baker | 7.0% | 13D | May 21, 2026 | filing ↗ | |
| Baker BROS. Advisors LP | 6.9% | 13D | May 21, 2026 | filing ↗ | |
| Baker BROS. Advisors (GP) LLC | 6.9% | 13D | May 21, 2026 | filing ↗ | |
| Blackrock, Inc. | 5.5% | 13G | Jul 29, 2026 | filing ↗ | |
| TANG Capital Management, LLC | 5.2% | 13G | Apr 4, 2025 | filing ↗ | |
| Kevin Tang | 5.2% | 13G | Apr 4, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Tessari Eben | $5.3M | Jul 29, 2026 | filing ↗ |
| Cole G Bradley | $299K | Jul 29, 2026 | filing ↗ |
| John F. Paolini | $3.1M | May 1, 2026 | filing ↗ |
| Sanj K. Patel | $17.8M | Apr 28, 2026 | filing ↗ |
| Moat Ross | $80K | Apr 9, 2026 | filing ↗ |
| Michael R. Megna | $309K | Apr 9, 2026 | filing ↗ |
| Barry D. Quart | $1.0M | Apr 6, 2026 | filing ↗ |
| Sanj K. Patel | $11.0M | Apr 6, 2026 | filing ↗ |
| Moat Ross | $115K | Apr 6, 2026 | filing ↗ |
| Ragosa Mark | $1.7M | Mar 9, 2026 | filing ↗ |
| John F. Paolini | $1.8M | Mar 2, 2026 | filing ↗ |
| Barry D. Quart | $2.4M | Dec 15, 2025 | filing ↗ |
| Ragosa Mark | $3.0M | Dec 8, 2025 | filing ↗ |
| Tessari Eben | $2.1M | Nov 26, 2025 | filing ↗ |
| Tessari Eben | $514K | Nov 17, 2025 | filing ↗ |
| John F. Paolini | $3.1M | Oct 31, 2025 | filing ↗ |
| Ragosa Mark | $820K | Oct 28, 2025 | filing ↗ |
| Ragosa Mark | $820K | Oct 28, 2025 | filing ↗ |
| Sanj K. Patel | $10.0M | Oct 20, 2025 | filing ↗ |
| Michael R. Megna | $2.0M | Oct 20, 2025 | filing ↗ |
| Tessari Eben | $466K | Oct 14, 2025 | filing ↗ |
| Tessari Eben | $1.6M | Sep 29, 2025 | filing ↗ |
| Tessari Eben | $598K | Sep 15, 2025 | filing ↗ |
| Tessari Eben | $477K | Sep 5, 2025 | filing ↗ |
| Tessari Eben | $3.0M | Sep 4, 2025 | filing ↗ |
| Moat Ross | $124K | Sep 4, 2025 | filing ↗ |
| Tessari Eben | $536K | Sep 3, 2025 | filing ↗ |
| Michael R. Megna | $383K | Sep 3, 2025 | filing ↗ |
| Tessari Eben | $547K | Aug 18, 2025 | filing ↗ |
| Malley Thomas | $2.6M | Aug 14, 2025 | filing ↗ |
| Malley Thomas | $1.7M | Aug 13, 2025 | filing ↗ |
| Malley Thomas | $1.6M | Aug 12, 2025 | filing ↗ |
| John F. Paolini | $954K | Aug 6, 2025 | filing ↗ |
| Tessari Eben | $4.6M | Aug 5, 2025 | filing ↗ |
| Ragosa Mark | $621K | Aug 4, 2025 | filing ↗ |
| Michael R. Megna | $550K | Aug 4, 2025 | filing ↗ |
| Kimberly J. Popovits | $1.9M | Jul 30, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 28, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 29, 2026 | filing ↗ |
| Material agreement (1.01) | May 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 21, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 30, 2026 | filing ↗ |
| Earnings (2.02) | Apr 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 28, 2026 | filing ↗ |
| Earnings (2.02) | Feb 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 24, 2026 | filing ↗ |
| Earnings (2.02) | Jan 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 12, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 10, 2026 | filing ↗ |
| Earnings (2.02) | Oct 28, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 28, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 3, 2025 | filing ↗ |