Jazz Pharmaceuticals Director Rick E. Winningham Files Form 144 to Sell $857K in Common Stock

Executive Summary

On August 31, 2026, Rick E. Winningham, a Director of Jazz Pharmaceuticals plc ($JAZZ), submitted a Form 144 notice proposing the sale of 3,507 shares of common stock through ETRADE Financial Corporation. The estimated aggregate market value of the proposed transaction is $857,602.00, representing an approximate per-share price of $244.54.

Transaction Details

• Filer: Rick E. Winningham (Director)
• Securities to be Sold: 3,507 Common Shares
• Total Market Value: $857,602.00
• Approximate Sale Date: August 31, 2026
• Origin of Securities: Acquired on August 28, 2026, via restricted stock vesting as equity compensation from the issuer.
• Shares Outstanding: 64,914,577
• Prior 3-Month Sales: None reported.

Market Impact & Significance

The proposed disposition represents <0.01% of Jazz Pharmaceuticals' 64.91 million shares outstanding. Given that the shares were recently acquired via routine restricted stock unit (RSU) vesting and constitute a modest dollar amount, this filing represents standard insider equity monetization and carries Low trading significance for investors.