According to recent filings covering the 90 days ending January 14, 2026, the three most significant insider holders at Waystar Holding are TenPercentOwner Luxco S.A R.L. Derby (24.88Mn shares), TenPercentOwner Pension Plan Investment Board Canada (19.03Mn shares), TenPercentOwner Capital Investors Llc Bain (13.24Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Luxco S.A R.L. Derby | 24,879,437 | 16 Sep, 2025 | |
| Pension Plan Investment Board Canada | 19,025,452 | 16 Sep, 2025 | |
| Capital Investors Llc Bain | 13,243,539 | 16 Sep, 2025 | |
| Paul G Moskowitz | 13,243,539 | 16 Sep, 2025 | |
| Matthew J. Hawkins | Chief Executive Officer | 717,474 | 20 Oct, 2025 |
| T. Craig Bridge | Chief Transformation Officer | 682,843 | 22 Jul, 2025 |
| Iii Eric L. (Ric) Sinclair | Chief Business Officer | 474,826 | 23 Dec, 2025 |
| Christopher L. Schremser | Chief Technology Officer | 422,371 | 11 Dec, 2025 |
| Steven M Oreskovich | Chief Financial Officer | 368,550 | 12 Jun, 2025 |
| Kimberly S. Wittman | Chief People Officer | 201,956 | 03 Apr, 2025 |
| Melissa F. (Missy) Miller | Chief Marketing Officer | 193,261 | 26 Nov, 2025 |
| Gregory R Packer | Chief Legal Officer | 131,147 | 19 Aug, 2025 |
| John Patrick Driscoll | 90,757 | 16 Jun, 2025 | |
| Matthew R. A. Heiman | Nan | 86,956 | 12 Jun, 2024 |
| Robert Demichiei | 36,896 | 16 Jun, 2025 | |
| Heidi Miller | 31,614 | 16 Jun, 2025 | |
| Priscilla Hung | 13,829 | 16 Jun, 2025 | |
| Vivian E. Riefberg | 13,829 | 16 Jun, 2025 | |
| Michael F Roman | 5,134 | 16 Jun, 2025 | |
| Aashima Gupta | 5,134 | 16 Jun, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 22 Dec, 2025 | Iii Eric L. (Ric) Sinclair | Common Stock | A | 9,701 | $4.14 | 484,527 | D | M |
| 22 Dec, 2025 | Iii Eric L. (Ric) Sinclair | Common Stock | D | 9,701 | $32.82 | 474,826 | D | S |
| 10 Dec, 2025 | Christopher L. Schremser | Common Stock | A | 8,623 | $4.14 | 430,994 | D | M |
| 10 Dec, 2025 | Christopher L. Schremser | Common Stock | D | 8,623 | $30.41 | 422,371 | D | S |
| 25 Nov, 2025 | Melissa F. (Missy) Miller | Common Stock | A | 3,400 | $18.19 | 196,661 | D | M |
| 25 Nov, 2025 | Melissa F. (Missy) Miller | Common Stock | D | 3,400 | $37.00 | 193,261 | D | S |
| 20 Nov, 2025 | Iii Eric L. (Ric) Sinclair | Common Stock | D | 9,701 | $35.27 | 474,826 | D | S |
| 20 Nov, 2025 | Iii Eric L. (Ric) Sinclair | Common Stock | A | 9,701 | $4.14 | 484,527 | D | M |
| 10 Nov, 2025 | Christopher L. Schremser | Common Stock | D | 8,623 | $36.12 | 422,371 | D | S |
| 10 Nov, 2025 | Christopher L. Schremser | Common Stock | A | 8,623 | $4.14 | 430,994 | D | M |
| 20 Oct, 2025 | Iii Eric L. (Ric) Sinclair | Common Stock | A | 9,701 | $4.14 | 484,527 | D | M |
| 20 Oct, 2025 | Iii Eric L. (Ric) Sinclair | Common Stock | D | 9,701 | $36.94 | 474,826 | D | S |
| 15 Oct, 2025 | Matthew J. Hawkins | Common Stock | A | 200 | $4.14 | 717,674 | D | M |
| 15 Oct, 2025 | Matthew J. Hawkins | Common Stock | D | 200 | $38.00 | 717,474 | D | S |
| 10 Oct, 2025 | Christopher L. Schremser | Common Stock | D | 8,623 | $36.21 | 422,371 | D | S |
| 10 Oct, 2025 | Christopher L. Schremser | Common Stock | A | 8,623 | $4.14 | 430,994 | D | M |
| 22 Sep, 2025 | Iii Eric L. (Ric) Sinclair | Common Stock | A | 9,701 | $4.14 | 484,527 | D | M |
| 22 Sep, 2025 | Iii Eric L. (Ric) Sinclair | Common Stock | D | 9,701 | $37.63 | 474,826 | D | S |
| 12 Sep, 2025 | Capital Investors Llc Bain | Common Stock, par value $0.01 per share | D | 4,295,139 | $39.21 | 13,759,910 | I | S |
| 12 Sep, 2025 | Capital Investors Llc Bain | Common Stock, par value $0.01 per share | D | 516,371 | - | 13,243,539 | I | J |