January 20, 2026 · Form 4 insider transaction
Sinclair III Eric L. (Ric) sold 40,225 shares of WAY at $30.08 per share, a transaction worth $1.21M. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
The price reported in Column 4 is a weighted average price. These shares of common stock, par value $0.01 per share ("Common Stock") of Waystar Holding Corp. (the "Issuer") were sold in multiple transactions ranging from $30.00 to $30.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price in the range set forth in this footnote.; Includes unvested RSUs.; These transactions occurred automatically pursuant to a plan adopted by the Reporting Person on August 24, 2025 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).