As of the latest Form 4 filed Jun 2, 2026.
What Kiniksa Pharmaceuticals Ltd insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 66 most recent filings for KNSA.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-02 | 2026-06-01 | Patel Sanj K CHAIRMAN & CEO | CConvert | +900K | — | — | No | Form 4 ↗ |
| 2026-06-02 | 2026-05-29 | McCain Tracey L Director | MExercise | +2.80K | — | — | No | Form 4 ↗ |
| 2026-06-02 | 2026-05-29 | Levy Richard S Director | MExercise | +2.80K | — | — | No | Form 4 ↗ |
| 2026-06-02 | 2026-05-29 | Malley Thomas Director | MExercise | +2.80K | — | — | No | Form 4 ↗ |
| 2026-06-02 | 2026-05-29 | Quart Barry D Director | MExercise | +2.80K | — | — | No | Form 4 ↗ |
| 2026-06-02 | 2026-05-29 | Cole G Bradley Director | MExercise | +2.80K | — | — | No | Form 4 ↗ |
| 2026-06-02 | 2026-05-29 | Popovits Kimberly J Director | MExercise | +2.80K | — | — | No | Form 4 ↗ |
| 2026-06-02 | 2026-05-29 | BAKER BROS. ADVISORS LP Director | AAward | +6.08K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-02 | 2026-05-29 | BAKER BROS. ADVISORS LP, Director | AAward | +6.08K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-05 | 2026-05-01 | Paolini John F. CHIEF MEDICAL OFFICER | SSale | −21.1K | $54.04 | $1.14M | Yes (planned) | Form 4 ↗ |
| 2026-05-05 | 2026-05-01 | Paolini John F., CHIEF MEDICAL OFFICER | SSale | −37.3K | $53.52 | $2.00M | Yes (planned) | Form 4 ↗ |
| 2026-05-05 | 2026-05-01 | Paolini John F., CHIEF MEDICAL OFFICER | MExercise | +58.4K | $10.36 | $605K | Yes (planned) | Form 4 ↗ |
| 2026-05-01 | 2026-05-01 | Patel Sanj K CHAIRMAN & CEO | SSale | −48.6K | $54.02 | $2.62M | Yes (planned) | Form 4 ↗ |
| 2026-05-01 | 2026-05-01 | Patel Sanj K, CHAIRMAN & CEO | MExercise | +48.6K | $30.93 | $1.50M | Yes (planned) | Form 4 ↗ |
| 2026-04-30 | 2026-04-30 | Patel Sanj K CHAIRMAN & CEO | SSale | −2.14K | $54.01 | $116K | Yes (planned) | Form 4 ↗ |
| 2026-04-30 | 2026-04-30 | Patel Sanj K, CHAIRMAN & CEO | MExercise | +2.14K | $30.93 | $66.2K | Yes (planned) | Form 4 ↗ |
| 2026-04-30 | 2026-04-29 | Patel Sanj K, CHAIRMAN & CEO | SSale | −22.5K | $54.01 | $1.22M | Yes (planned) | Form 4 ↗ |
| 2026-04-30 | 2026-04-29 | Patel Sanj K, CHAIRMAN & CEO | MExercise | +22.5K | $30.93 | $697K | Yes (planned) | Form 4 ↗ |
| 2026-04-30 | 2026-04-28 | Patel Sanj K, CHAIRMAN & CEO | SSale | −51.8K | $54.02 | $2.80M | Yes (planned) | Form 4 ↗ |
| 2026-04-30 | 2026-04-28 | Patel Sanj K, CHAIRMAN & CEO | SSale | −244K | $52.02 | $12.7M | Yes (planned) | Form 4 ↗ |
| 2026-04-30 | 2026-04-28 | Patel Sanj K, CHAIRMAN & CEO | SSale | −114K | $51.47 | $5.85M | Yes (planned) | Form 4 ↗ |
| 2026-04-30 | 2026-04-28 | Patel Sanj K, CHAIRMAN & CEO | SSale | −74.6K | $50.43 | $3.76M | Yes (planned) | Form 4 ↗ |
| 2026-04-30 | 2026-04-28 | Patel Sanj K, CHAIRMAN & CEO | MExercise | +51.8K | $30.93 | $1.60M | Yes (planned) | Form 4 ↗ |
| 2026-04-30 | 2026-04-28 | Patel Sanj K, CHAIRMAN & CEO | MExercise | +432K | $10.36 | $4.47M | Yes (planned) | Form 4 ↗ |
| 2026-04-29 | 2026-04-28 | Quart Barry D Director | SSale | −13.1K | $50.10 | $656K | Yes (planned) | Form 4 ↗ |
| 2026-04-29 | 2026-04-28 | Quart Barry D, Director | MExercise | +13.1K | $14.33 | $188K | Yes (planned) | Form 4 ↗ |
| 2026-04-13 | 2026-04-09 | Moat Ross CHIEF OPERATING OFFICER | SSale | −1.70K | $46.69 | $79.5K | Yes (planned) | Form 4 ↗ |
| 2026-04-13 | 2026-04-09 | Megna Michael R CHIEF ACCOUNTING OFFICER | SSale | −6.63K | $46.69 | $309K | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Tessari Eben CHIEF STRATEGY OFFICER | FTax | −846.00 | $48.94 | $41.4K | No | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Tessari Eben, CHIEF STRATEGY OFFICER | MExercise | +2.73K | — | — | No | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Moat Ross CHIEF OPERATING OFFICER | FTax | −774.00 | $48.94 | $37.9K | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Moat Ross, CHIEF OPERATING OFFICER | MExercise | +2.48K | — | — | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Ragosa Mark CHIEF FINANCIAL OFFICER | FTax | −1.30K | $48.94 | $63.8K | No | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Ragosa Mark, CHIEF FINANCIAL OFFICER | MExercise | +2.69K | — | — | No | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Paolini John F. CHIEF MEDICAL OFFICER | FTax | −1.21K | $48.94 | $59.1K | No | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Paolini John F., CHIEF MEDICAL OFFICER | MExercise | +2.50K | — | — | No | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Patel Sanj K CHAIRMAN & CEO | FTax | −4.83K | $48.94 | $236K | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Patel Sanj K, CHAIRMAN & CEO | MExercise | +9.99K | — | — | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Megna Michael R CHIEF ACCOUNTING OFFICER | FTax | −1.67K | $48.94 | $81.5K | No | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Megna Michael R, CHIEF ACCOUNTING OFFICER | MExercise | +3.93K | $1.00 | $3.93K | No | Form 4 ↗ |
| 2026-04-08 | 2026-04-06 | Moat Ross CHIEF OPERATING OFFICER | SSale | −2.37K | $48.58 | $115K | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-06 | Patel Sanj K CHAIRMAN & CEO | SSale | −7.28K | $50.01 | $364K | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-06 | Patel Sanj K, CHAIRMAN & CEO | MExercise | +7.28K | $10.36 | $75.4K | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-06 | Quart Barry D Director | SSale | −6.90K | $50.00 | $345K | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-06 | Quart Barry D, Director | MExercise | +6.90K | $14.33 | $98.9K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-09 | Ragosa Mark CHIEF FINANCIAL OFFICER | SSale | −18.7K | $46.24 | $867K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-09 | Ragosa Mark, CHIEF FINANCIAL OFFICER | SSale | −18.0K | $45.58 | $820K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-09 | Ragosa Mark, CHIEF FINANCIAL OFFICER | MExercise | +10.4K | $26.74 | $277K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-09 | Ragosa Mark, CHIEF FINANCIAL OFFICER | MExercise | +13.8K | $18.06 | $249K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-09 | Ragosa Mark, CHIEF FINANCIAL OFFICER | MExercise | +10.5K | $17.76 | $187K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-09 | Ragosa Mark, CHIEF FINANCIAL OFFICER | MExercise | +2.04K | $22.89 | $46.6K | Yes (planned) | Form 4 ↗ |
| 2026-02-12 | 2026-02-12 | Quart Barry D Director | SSale | −2.69K | $45.00 | $121K | Yes (planned) | Form 4 ↗ |
| 2026-02-12 | 2026-02-12 | Quart Barry D, Director | MExercise | +2.69K | $15.47 | $41.6K | Yes (planned) | Form 4 ↗ |
| 2026-02-12 | 2026-02-10 | Quart Barry D, Director | SSale | −110.00 | $45.00 | $4.95K | Yes (planned) | Form 4 ↗ |
| 2026-02-12 | 2026-02-10 | Quart Barry D, Director | MExercise | +110.00 | $15.47 | $1.70K | Yes (planned) | Form 4 ↗ |
| 2026-02-11 | 2026-02-09 | Ragosa Mark CHIEF FINANCIAL OFFICER | SSale | −8.73K | $43.72 | $382K | Yes (planned) | Form 4 ↗ |
| 2026-02-11 | 2026-02-09 | Ragosa Mark, CHIEF FINANCIAL OFFICER | SSale | −9.11K | $42.85 | $391K | Yes (planned) | Form 4 ↗ |
| 2026-02-11 | 2026-02-09 | Ragosa Mark, CHIEF FINANCIAL OFFICER | MExercise | +2.47K | $16.90 | $41.8K | Yes (planned) | Form 4 ↗ |
| 2026-02-11 | 2026-02-09 | Ragosa Mark, CHIEF FINANCIAL OFFICER | MExercise | +8.37K | $12.97 | $109K | Yes (planned) | Form 4 ↗ |
| 2026-02-04 | 2026-02-04 | Quart Barry D Director | SSale | −2.60K | $45.02 | $117K | Yes (planned) | Form 4 ↗ |
| 2026-02-04 | 2026-02-04 | Quart Barry D, Director | MExercise | +2.60K | $15.47 | $40.3K | Yes (planned) | Form 4 ↗ |
| 2026-02-04 | 2026-02-03 | Quart Barry D, Director | SSale | −12.5K | $45.27 | $567K | Yes (planned) | Form 4 ↗ |
| 2026-02-04 | 2026-02-03 | Quart Barry D, Director | MExercise | +12.5K | $15.47 | $194K | Yes (planned) | Form 4 ↗ |
| 2026-02-04 | 2026-02-02 | Quart Barry D, Director | SSale | −830.00 | $45.00 | $37.4K | Yes (planned) | Form 4 ↗ |
| 2026-02-04 | 2026-02-02 | Quart Barry D, Director | MExercise | +830.00 | $15.47 | $12.8K | Yes (planned) | Form 4 ↗ |
| 2026-02-04 | 2026-02-01 | Levy Richard S Director | MExercise | +683.00 | — | — | No | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also KNSA’s full analysis or the market-wide insider trading feed. The tabs above jump to KNSA’s other SEC data.
Source: SEC Form 4 filings for KNSA, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.