WAY - SEC Form 4 insider transactions

Director Demichiei Robert was granted 9,303 shares, increasing direct ownership by 25% to 46,199 units (SEC Form 4)

Director Roman Michael F was granted 9,303 shares, increasing direct ownership by 181% to 14,437 units (SEC Form 4)

Director Gupta Aashima was granted 9,303 shares, increasing direct ownership by 181% to 14,437 units (SEC Form 4)

Director Riefberg Vivian E. was granted 9,303 shares, increasing direct ownership by 67% to 23,132 units (SEC Form 4)

Director Miller Heidi was granted 9,303 shares, increasing direct ownership by 29% to 40,917 units (SEC Form 4)

Director Hung Priscilla was granted 9,303 shares, increasing direct ownership by 67% to 23,132 units (SEC Form 4)

Chairperson Driscoll John Patrick was granted 9,303 shares, increasing direct ownership by 10% to 100,060 units (SEC Form 4)

Chief Transformation Officer Bridge T. Craig was granted 87,413 shares, increasing direct ownership by 15% to 670,768 units (SEC Form 4)

Chief People Officer Wittman Kimberly S. was granted 61,703 shares, increasing direct ownership by 29% to 272,964 units (SEC Form 4)

Chief Marketing Officer Miller Melissa F. (Missy) was granted 61,703 shares, increasing direct ownership by 32% to 254,964 units (SEC Form 4)

Chief Legal officer Packer Gregory R was granted 65,817 shares, increasing direct ownership by 50% to 196,964 units (SEC Form 4)

SEC Form 4 filed by Waystar Holding Corp.

Chief Financial Officer Oreskovich Steven M was granted 82,271 shares, increasing direct ownership by 23% to 436,783 units (SEC Form 4)

Chief Technology Officer Schremser Christopher L. was granted 87,413 shares, increasing direct ownership by 21% to 509,784 units (SEC Form 4)

SEC Form 4 filed by Waystar Holding Corp.

Chief Business Officer Sinclair Iii Eric L. (Ric) sold $1,210,077 worth of shares (40,225 units at $30.08) and exercised 40,225 shares at a strike of $6.78 (SEC Form 4)

Chief Business Officer Sinclair Iii Eric L. (Ric) exercised 9,701 shares at a strike of $4.14 and sold $318,396 worth of shares (9,701 units at $32.82) (SEC Form 4)

Chief Technology Officer Schremser Christopher L. exercised 8,623 shares at a strike of $4.14 and sold $262,225 worth of shares (8,623 units at $30.41) (SEC Form 4)

Chief Marketing Officer Miller Melissa F. (Missy) exercised 3,400 shares at a strike of $18.19 and sold $125,800 worth of shares (3,400 units at $37.00) (SEC Form 4)

Chief Business Officer Sinclair Iii Eric L. (Ric) exercised 9,701 shares at a strike of $4.14 and sold $342,181 worth of shares (9,701 units at $35.27) (SEC Form 4)

Chief Technology Officer Schremser Christopher L. exercised 8,623 shares at a strike of $4.14 and sold $311,429 worth of shares (8,623 units at $36.12) (SEC Form 4)

Chief Business Officer Sinclair Iii Eric L. (Ric) exercised 9,701 shares at a strike of $4.14 and sold $358,334 worth of shares (9,701 units at $36.94) (SEC Form 4)

SEC Form 4 filed by Waystar Holding Corp.

Chief Technology Officer Schremser Christopher L. exercised 8,623 shares at a strike of $4.14 and sold $312,215 worth of shares (8,623 units at $36.21) (SEC Form 4)

Chief Executive Officer Hawkins Matthew J. covered exercise/tax liability with 46,657 shares, exercised 25,000 shares at a strike of $4.14 and sold $951,976 worth of shares (25,000 units at $38.08), decreasing direct ownership by 6% to 717,474 units (SEC Form 4)

Chief Business Officer Sinclair Iii Eric L. (Ric) exercised 9,701 shares at a strike of $4.14 and sold $365,090 worth of shares (9,701 units at $37.63) (SEC Form 4)

Large owner Bain Capital Investors Llc sold $168,412,400 worth of shares (4,295,139 units at $39.21) and disposed of 516,371 shares (SEC Form 4)

Large owner Derby Luxco S.A R.L. sold $304,508,310 worth of shares (7,766,088 units at $39.21) (SEC Form 4)

Director Moskowitz Paul G disposed of 516,371 shares and sold $168,412,400 worth of shares (4,295,139 units at $39.21) (SEC Form 4)

Large owner Canada Pension Plan Investment Board sold $232,859,289 worth of shares (5,938,773 units at $39.21) (SEC Form 4)

Chief Technology Officer Schremser Christopher L. covered exercise/tax liability with 15,673 shares, exercised 8,623 shares at a strike of $4.14 and sold $349,157 worth of shares (8,623 units at $40.49), decreasing direct ownership by 4% to 422,371 units (SEC Form 4)

Chief Financial Officer Oreskovich Steven M covered exercise/tax liability with 14,038 shares, exercised 16,666 shares at a strike of $4.14 and sold $674,848 worth of shares (16,666 units at $40.49), decreasing direct ownership by 4% to 354,512 units (SEC Form 4)

Chief Transformation Officer Bridge T. Craig covered exercise/tax liability with 14,488 shares and sold $3,405,253 worth of shares (85,000 units at $40.06), decreasing direct ownership by 15% to 583,355 units (SEC Form 4)

Chief Business Officer Sinclair Iii Eric L. (Ric) sold $776,713 worth of shares (19,404 units at $40.03), covered exercise/tax liability with 16,044 shares and exercised 19,404 shares at a strike of $4.14, decreasing direct ownership by 3% to 474,826 units (SEC Form 4)

Chief People Officer Wittman Kimberly S. exercised 18,000 shares at a strike of $21.50 and covered exercise/tax liability with 2,670 shares, increasing direct ownership by 8% to 211,261 units (SEC Form 4)

Chief Marketing Officer Miller Melissa F. (Missy) covered exercise/tax liability with 2,623 shares, exercised 3,400 shares at a strike of $18.19 and sold $125,832 worth of shares (3,400 units at $37.01), decreasing direct ownership by 1% to 193,261 units (SEC Form 4)

Amendment: Chief Marketing Officer Miller Melissa F. (Missy) exercised 3,400 shares at a strike of $18.19 and sold $133,233 worth of shares (3,400 units at $39.19) (SEC Form 4)

Chief Business Officer Sinclair Iii Eric L. (Ric) sold $340,647 worth of shares (9,702 units at $35.11) and exercised 9,702 shares at a strike of $4.14 (SEC Form 4)

Chief Legal officer Packer Gregory R was granted 78,321 shares, increasing direct ownership by 148% to 131,147 units (SEC Form 4)

Chief Executive Officer Hawkins Matthew J. exercised 46,667 shares at a strike of $4.14 and sold $1,617,581 worth of shares (46,667 units at $34.66) (SEC Form 4)

Chief Technology Officer Schremser Christopher L. exercised 8,623 shares at a strike of $4.14 and sold $297,392 worth of shares (8,623 units at $34.49) (SEC Form 4)

SEC Form 4 filed by Chief Executive Officer Hawkins Matthew J.

Chief Business Officer Sinclair Iii Eric L. (Ric) sold $359,938 worth of shares (9,702 units at $37.10) and exercised 9,702 shares at a strike of $4.14 (SEC Form 4)

Chief Transformation Officer Bridge T. Craig sold $3,152,837 worth of shares (85,000 units at $37.09), decreasing direct ownership by 11% to 682,843 units (SEC Form 4)

Chief Executive Officer Hawkins Matthew J. sold $1,785,540 worth of shares (46,667 units at $38.26) and exercised 46,667 shares at a strike of $4.14 (SEC Form 4)

Chief Technology Officer Schremser Christopher L. exercised 8,623 shares at a strike of $4.14 and sold $324,462 worth of shares (8,623 units at $37.63) (SEC Form 4)

Chief Business Officer Sinclair Iii Eric L. (Ric) exercised 9,702 shares at a strike of $4.14 and sold $390,256 worth of shares (9,702 units at $40.22) (SEC Form 4)

Chief Business Officer Sinclair Iii Eric L. (Ric) exercised 9,702 shares at a strike of $4.14 and sold $366,616 worth of shares (9,702 units at $37.79) (SEC Form 4)

Director Hung Priscilla was granted 5,134 shares, increasing direct ownership by 59% to 13,829 units (SEC Form 4)

Director Miller Heidi was granted 5,134 shares, increasing direct ownership by 19% to 31,614 units (SEC Form 4)

Director Riefberg Vivian E. was granted 5,134 shares, increasing direct ownership by 59% to 13,829 units (SEC Form 4)

Director Roman Michael F was granted 5,134 shares (SEC Form 4)

Director Demichiei Robert was granted 5,134 shares, increasing direct ownership by 16% to 36,896 units (SEC Form 4)

Director Driscoll John Patrick was granted 5,134 shares, increasing direct ownership by 6% to 90,757 units (SEC Form 4)

Director Gupta Aashima was granted 5,134 shares (SEC Form 4)

Chief Financial Officer Oreskovich Steven M sold $667,489 worth of shares (16,396 units at $40.71), decreasing direct ownership by 4% to 368,550 units (SEC Form 4)

Chief Marketing Officer Miller Melissa F. (Missy) sold $247,197 worth of shares (6,072 units at $40.71), decreasing direct ownership by 3% to 192,484 units (SEC Form 4)

Chief Transformation Officer Bridge T. Craig sold $649,178 worth of shares (15,946 units at $40.71), decreasing direct ownership by 2% to 767,843 units (SEC Form 4)

Chief Technology Officer Schremser Christopher L. exercised 8,623 shares at a strike of $4.14 and sold $349,888 worth of shares (8,623 units at $40.58) (SEC Form 4)

Chief Executive Officer Hawkins Matthew J. exercised 46,667 shares at a strike of $4.14 and sold $109,710 worth of shares (2,704 units at $40.57) (SEC Form 4)