Kiniksa (KNSA) CEO Sanj K. Patel Exercises Options and Receives RSUs

What Happened
Sanj K. Patel, Chair and CEO of Kiniksa Pharmaceuticals (KNSA), exercised/converted derivative awards and was granted RSUs on September 1, 2026. The filing shows exercises/conversions totaling 31,318 underlying shares (9,991 + 6,481 + 6,237 + 8,609) and two RSU grants totaling 150,200 RSUs (30,050 + 120,150). To satisfy tax liability/exercise payment, 15,144 shares were surrendered/withheld at $79.28 per share for a cash value of $1,200,616. Several entries are reported at $0.00 because they reflect derivative/award transactions rather than open-market trades.

Key Details

• Transaction date: September 1, 2026; Form 4 filed September 3, 2026 (timely filing).
• Exercises/conversions reported: 31,318 shares (9,991; 6,481; 6,237; 8,609).
• RSU grants reported: 150,200 RSUs (30,050 and 120,150). RSUs are contingent rights to receive Class A ordinary shares (see footnotes).
• Tax/exercise payment: 15,144 shares withheld at $79.28 = $1,200,616 (transaction code F).
• Transaction codes: M = option exercise/conversion, A = grant/award, F = payment of exercise price/tax liability.
• Shares owned after transaction: Not stated in the provided Form 4 (beneficial ownership after these transactions was not reported in the data you provided).
• Relevant footnotes: F1–F7 describe that RSUs represent rights to one Class A share and vest over four years (various grant dates: 2022–2026); F3 describes the option vesting schedule (25% after one year, then monthly over 36 months).

Context

• These are derivative exercises and equity awards, not open-market purchases or sales by the CEO. The withholding of 15,144 shares to cover taxes/exercise costs is a common (cashless) mechanism and does not by itself indicate an open-market sale.
• RSUs vest over time per the listed footnotes, so many awarded shares will be subject to future vesting schedules; the option vesting schedule is also specified in the filing.
• This filing is informational about insider compensation and exercise activity; it is factual reporting and does not indicate the insider’s motivations.