Kiniksa Pharmaceuticals International's three largest insider shareholders as of September 09, 2026 are Bros. Advisors Lp Baker (Director, 2.74Mn shares), Bros. Advisors Lp Baker (Director, 2.74Mn shares), Bros. Advisors Lp Baker (Director, 2.73Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Bros. Advisors Lp Baker | Director | 0 | 5,470,583 | 5,470,583 | 88.8% | 02 Jun, 2026 |
| 2 | Sanj K Patel | Chairman Ceo | 63,012 | 92,348 | 155,360 | 2.5% | 03 Sep, 2026 |
| 3 | Eben Tessari | Chief Strategy Officer | 149,154 | 0 | 149,154 | 2.4% | 08 Apr, 2026 |
| 4 | John F. Paolini | Chief Medical Officer | 117,725 | 0 | 117,725 | 1.9% | 03 Sep, 2026 |
| 5 | Michael R Megna | Chief Accounting Officer | 50,390 | 0 | 50,390 | 0.8% | 03 Sep, 2026 |
| 6 | Mark Ragosa | Chief Financial Officer | 40,107 | 0 | 40,107 | 0.7% | 03 Sep, 2026 |
| 7 | Richard S Levy | Director | 35,256 | 0 | 35,256 | 0.6% | 04 Aug, 2026 |
| 8 | Ross Moat | Chief Operating Officer | 32,583 | 0 | 32,583 | 0.5% | 03 Sep, 2026 |
| 9 | Kimberly J Popovits | Director | 24,718 | 0 | 24,718 | 0.4% | 02 Jun, 2026 |
| 10 | Thomas Malley | Director | 24,718 | 0 | 24,718 | 0.4% | 02 Jun, 2026 |
| 11 | Tracey L Mccain | Director | 24,718 | 0 | 24,718 | 0.4% | 02 Jun, 2026 |
| 12 | Barry D Quart | Director | 22,118 | 0 | 22,118 | 0.4% | 21 Aug, 2026 |
| 13 | G Bradley Cole | Director | 16,545 | 0 | 16,545 | 0.3% | 31 Jul, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 19 Aug, 2026 | Barry D Quart | Director | Disposed G | 2,600 | $0.00 | $0 | 12,745 | Direct |
| 01 Aug, 2026 | Richard S Levy | Director | Acquired M | 403 | — | — | 22,359 | Direct |
| 01 Aug, 2026 | Richard S Levy | Director | Acquired A | 403 | $0.00 | $0 | 403 | Direct |
| 01 Aug, 2026 | Richard S Levy | Director | Disposed M | 403 | $0.00 | $0 | 0 | Direct |
| 01 Jul, 2026 | Dhiraj H Malkani | Chief Strategy Officer | Acquired A | 82,600 | $0.00 | $0 | 0 | Direct |
| 01 Jul, 2026 | Dhiraj H Malkani | Chief Strategy Officer | Acquired A | 14,000 | $0.00 | $0 | 0 | Direct |
| 01 Jul, 2026 | Dhiraj H Malkani | Chief Strategy Officer | Acquired A | 2,119 | $0.00 | $0 | 0 | Direct |
| 01 Jul, 2026 | Dhiraj H Malkani | Chief Strategy Officer | Acquired A | 2,188 | $0.00 | $0 | 0 | Direct |
| 01 Jul, 2026 | Dhiraj H Malkani | Chief Strategy Officer | Acquired A | 1,245 | $0.00 | $0 | 0 | Direct |
| 01 Jul, 2026 | Dhiraj H Malkani | Chief Strategy Officer | Acquired A | 1,307 | $0.00 | $0 | 0 | Direct |
| 01 Jun, 2026 | Sanj K Patel | Chairman Ceo | Acquired C | 900,000 | — | — | 951,794 | Indirect |
| 29 May, 2026 | Richard S Levy | Director | Acquired M | 2,799 | — | — | 21,956 | Direct |
| 29 May, 2026 | Barry D Quart | Director | Acquired M | 2,799 | — | — | 15,345 | Direct |
| 29 May, 2026 | Kimberly J Popovits | Director | Acquired M | 2,799 | — | — | 15,345 | Direct |
| 29 May, 2026 | Tracey L Mccain | Director | Acquired M | 2,799 | — | — | 15,345 | Direct |
| 29 May, 2026 | Tracey L Mccain | Director | Acquired A | 12,158 | $0.00 | $0 | 12,158 | Direct |
| 29 May, 2026 | Kimberly J Popovits | Director | Acquired A | 12,158 | $0.00 | $0 | 12,158 | Direct |
| 29 May, 2026 | Barry D Quart | Director | Acquired A | 12,158 | $0.00 | $0 | 12,185 | Direct |
| 29 May, 2026 | Richard S Levy | Director | Acquired A | 12,158 | $0.00 | $0 | 12,158 | Direct |
| 29 May, 2026 | Richard S Levy | Director | Acquired A | 2,026 | $0.00 | $0 | 2,026 | Direct |