Flutter Entertainment plc 8-K

What Happened

• On December 23, 2025, Flutter Entertainment plc announced via a London Regulatory News Service (RNS) release that it received a notification on Standard Form TR‑1 (Standard Form for Notification of Major Holdings). The RNS Announcement was furnished as Exhibit 99.1 to the company's Form 8‑K and was made to comply with the UK Financial Conduct Authority’s Disclosure Guidance and Transparency Rules (DTR). This disclosure is reported under Item 7.01 (Regulation FD Disclosure) of the Form 8‑K.

Key Details

• Date of announcement: December 23, 2025.
• Document filed: Standard Form TR‑1 notification (furnished as Exhibit 99.1 to the Form 8‑K).
• Purpose: To satisfy UK DTR disclosure obligations via an RNS announcement.
• The Form 8‑K incorporates the RNS/TR‑1 as Exhibit 99.1 (the filing itself does not add further commentary).

Why It Matters

• TR‑1 filings notify the market when a shareholder crosses a regulatory ownership threshold, so this signals a change in disclosed ownership that investors should be aware of.
• Such disclosures can affect perceptions of shareholder support, voting power and potential future actions by large holders. Investors should watch for the TR‑1 exhibit and any follow‑up filings or RNS updates for details on the holder and the size of the holding.