Kiniksa Pharmaceuticals International, plc

KNSA

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0001741533-26-000002
Filing date: Mar 4, 2026
Earliest execution date: Mar 2, 2026

Summary

Type

Sell

Net shares

-40,000

% of shares

-39.48%

Amount (USD)

$1,792,939

Insider confidence score

8.8 out of 100

Positive

  • Under Rule 10b5-1 trading plan

Negative

  • Extreme scheduled sell (≥25% of shares)
  • Very large sell amount ($1M+)

Stock transactions

Transaction 1

Security

Class A Ordinary Share

Action

Exercise

Date

2026-03-02

Code

M

Net shares

+40,000.0

Price per Share

$10.36

Amount (USD)

$414,400.00

Acquired/Disposed

Acquired

Shares Owned Before

61,324.0

Shares Owned After

101,324.0

Transaction 2

Security

Class A Ordinary Share

Action

Sell

Date

2026-03-02

Code

S

Net shares

-12,063.0

Price per Share

$44.20

Amount (USD)

$533,184.60

Acquired/Disposed

Disposed

Shares Owned Before

101,324.0

Shares Owned After

89,261.0

Transaction 3

Security

Class A Ordinary Share

Action

Sell

Date

2026-03-02

Code

S

Net shares

-22,223.0

Price per Share

$44.88

Amount (USD)

$997,368.24

Acquired/Disposed

Disposed

Shares Owned Before

89,261.0

Shares Owned After

67,038.0

Transaction 4

Security

Class A Ordinary Share

Action

Sell

Date

2026-03-02

Code

S

Net shares

-5,714.0

Price per Share

$45.92

Amount (USD)

$262,386.88

Acquired/Disposed

Disposed

Shares Owned Before

67,038.0

Shares Owned After

61,324.0

Derivative Transactions

Transaction 1

Security

Share Option

Action

Exercise

Date

2026-03-02

Code

M

Net shares

-40,000.0

Acquired/Disposed

Disposed

Shares Owned Before

98,424.0

Shares Owned After

58,424.0

Filing's footnotes

1. This transaction was effected pursuant to a Rule 10b5-1 plan executed by the reporting person on November 18, 2025.

2. This transaction was executed in multiple trades through a broker-dealer at prices ranging between $43.555 and $44.55. The price reported in this column reflects a weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price.

3. This transaction was executed in multiple trades through a broker-dealer at prices ranging between $44.555 and $45.49. The price reported in this column reflects a weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price.

4. This transaction was executed in multiple trades through a broker-dealer at prices ranging between $45.56 and $46.09. The price reported in this column reflects a weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price.

5. The option is fully vested and exercisable.

ℹ️ Filed under Rule 10b5-1 trading plan

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.