Schremser Christopher L. 4
4 · Waystar Holding Corp. · Filed Nov 12, 2025
Insider Transaction Report
Form 4
Schremser Christopher L.
Chief Technology Officer
Transactions
- Exercise/Conversion
Common Stock
2025-11-10$4.14/sh+8,623$35,699→ 430,994 total - Exercise/Conversion
Stock Options (right to buy)
2025-11-10−8,623→ 77,617 totalExercise: $4.14Exp: 2027-11-01→ Common Stock (8,623 underlying) - Sale
Common Stock
2025-11-10$36.12/sh−8,623$311,429→ 422,371 total
Footnotes (4)
- [F1]These transactions occurred automatically pursuant to a plan adopted by the Reporting Person on December 6, 2024 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
- [F2]Includes unvested RSUs.
- [F3]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 $35.63 to $36.50, 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.
- [F4]These options are currently vested.