Kiniksa Pharmaceuticals, Ltd. (KNSA) is a publicly traded company in the Unknown sector. Across all available filings, 23 corporate insiders have executed 455 transactions totaling $137.3M, demonstrating a bullish sentiment with $5.2M in net insider flow. The most recent transaction on Feb 4, 2026 involved a transaction of 2,602 shares valued at $0.
No significant insider buying has been recorded for KNSA in the recent period.
No significant insider selling has been recorded for KNSA in the recent period.
Based on recent SEC filings, insider sentiment for KNSA is bullish with an Insider Alignment Score of 52/100 and a net flow of $5.2M. Insiders are accumulating shares, which historically signals confidence in the company's future performance.
Insider trading at Kiniksa Pharmaceuticals, Ltd. (KNSA) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 23 insiders are actively trading KNSA stock, having executed 455 transactions in the past 90 days. The most active insider is Brothers Life Sciences Lp Baker (Executive), who has made 5 transactions totaling $54.0M.
Get notified when executives and directors at KNSA file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Feb 4, 2026 | D. Quart Barry | Executive | Option Exercise | 2,602 | $N/A | $0 | |
| Feb 4, 2026 | D. Quart Barry | Executive | Sale | 2,602 | $45.02 | $117.1K | |
| Feb 4, 2026 | D. Quart Barry | Executive | Option Exercise | 2,602 | $15.47 | $40.3K | |
| Feb 3, 2026 | D. Quart Barry | Executive | Option Exercise | 12,528 | $N/A | $0 | |
| Feb 3, 2026 | D. Quart Barry | Executive | Sale | 12,528 | $45.27 | $567.1K | Large |
| Feb 3, 2026 | D. Quart Barry | Executive | Option Exercise | 12,528 | $15.47 | $193.8K | |
| Feb 2, 2026 | D. Quart Barry | Executive | Option Exercise | 830 | $N/A | $0 | |
| Feb 2, 2026 | D. Quart Barry | Executive | Sale | 830 | $45.00 | $37.4K | |
| Feb 2, 2026 | D. Quart Barry | Executive | Option Exercise | 830 | $15.47 | $12.8K | |
| Feb 1, 2026 | S. Levy Richard | Executive | Option Exercise | 683 | $N/A | $0 | |
| Feb 1, 2026 | S. Levy Richard | Executive | Award | 683 | $N/A | $0 | |
| Feb 1, 2026 | S. Levy Richard | Executive | Option Exercise | 683 | $N/A | $0 | |
| Jan 8, 2026 | Ragosa Mark | CHIEF FINANCIAL OFFICER | Sale | 12,000 | $41.89 | $502.7K | C-SuiteLarge |
| Dec 15, 2025 | Tessari Eben | Executive | Sale | 12,048 | $41.56 | $500.7K | Large |
| Dec 15, 2025 | Tessari Eben | Executive | Option Exercise | 6,000 | $8.83 | $53.0K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Purchase(P) | 7 | $71.2M | 45.5% |
Sale(S) | 100 | $66.1M | 42.2% |
Exercise(M) | 211 | $16.3M | 10.4% |
Payment(F) | 92 | $2.8M | 1.8% |
Award(A) | 27 | $163.3K | 0.1% |
Gift(G) | 6 | $0 | 0.0% |
Conversion(C) | 9 | $0 | 0.0% |
Other(J) | 3 | $0 | 0.0% |
Insider activity at Kiniksa Pharmaceuticals, Ltd. shows mixed signals across all time. While $71.2M in purchases indicates some executive confidence,$66.1M in sales balances the picture, resulting in a modest net flow of $5.2M.23 insiders have been active, with no strong directional conviction evident in the aggregate data. The most active insider, Brothers Life Sciences Lp Baker, has transacted $54.0M during this period.