🕵️ Waystar Holding Corp. ($WAY)
SEC insider & ownership activity, last 12 months · CIK 1990354 · every row links its SEC filing
Over the last 12 months insiders sold $888.1M against $189K of open-market buying. Derby Luxco S.a R.l. sold $304.5M in discretionary trades (Sep). 2 planned sales are pending, the largest $3.9M (Eric L Sinclair III). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $189K (1 lots) · 10 sellers, $888.1M (27 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Derby Luxco S.a R.l. | 0 | – | 1 | $304.5M | Sep 12, 2025 |
| CPP Investment Board PMI-3 Inc. | 0 | – | 1 | $232.9M | Sep 12, 2025 |
| BAIN Capital Investors LLC | 0 | – | 1 | $168.4M | Sep 12, 2025 |
| Paul G. Moskowitz | 0 | – | 1 | $168.4M | Sep 12, 2025 |
| Matthew J. Hawkins | 0 | – | 6 | $4.2M | Jul 16, 2026 |
| Eric L Sinclair III | 0 | – | 7 | $3.7M | Jan 20, 2026 |
| Bridge T. Craig | 0 | – | 1 | $3.4M | Sep 8, 2025 |
| Christopher L. Schremser | 0 | – | 5 | $1.5M | Dec 10, 2025 |
| Steven M. Oreskovich | 0 | – | 1 | $675K | Sep 10, 2025 |
| Miller Melissa F. (MISSY) | 0 | – | 3 | $385K | Nov 25, 2025 |
| Miller Heidi | 1 | $189K | 0 | – | Mar 2, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Derby Luxco S.a R.l. | 14.2% | 13G | Nov 7, 2025 | filing ↗ | |
| EQT Fund Management S.A R.L. | 14.2% | 13G | Nov 7, 2025 | filing ↗ | |
| Canada Pension PLAN Investment Board | 9.9% | 13G | Nov 13, 2025 | filing ↗ | |
| CPP Investment Board Private Holdings (4) Inc. | 9.9% | 13G | Nov 13, 2025 | filing ↗ | |
| Blackrock, Inc. | 9.1% | 13G | Oct 17, 2025 | filing ↗ | |
| FMR LLC | 7.3% | 13G | Feb 5, 2026 | filing ↗ | |
| Abigail P. Johnson | 7.3% | 13G | Feb 5, 2026 | filing ↗ | |
| BCPE Derby (DE) SPV, LP | 5.9% | 13G | Nov 14, 2025 | filing ↗ | |
| Advent International GP, LLC | 5.8% | 13D | Oct 1, 2025 | filing ↗ | |
| AIO Holdings L.P. | 5.8% | 13D | Oct 1, 2025 | filing ↗ | |
| Advent International, L.P. | 5.8% | 13D | Oct 1, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Matthew J Hawkins | $1.6M | Jul 15, 2026 | filing ↗ |
| Eric L Sinclair III | $3.2M | May 29, 2026 | filing ↗ |
| Eric L Sinclair III | $3.9M | May 28, 2026 | filing ↗ |
| Eric L Sinclair III | $1.2M | Jan 20, 2026 | filing ↗ |
| Eric Lee Sinclair III | $319K | Dec 22, 2025 | filing ↗ |
| Christopher Schremser | $262K | Dec 10, 2025 | filing ↗ |
| Melissa Miller | $124K | Nov 25, 2025 | filing ↗ |
| Matthew J Hawkins | $1.9M | Sep 22, 2025 | filing ↗ |
| Christopher Schremser | $1.1M | Sep 10, 2025 | filing ↗ |
| Steven M Oreskovich | $681K | Sep 10, 2025 | filing ↗ |
| Craig Bridge | $3.2M | Sep 8, 2025 | filing ↗ |
| Eric Lee Sinclair III | $1.8M | Sep 8, 2025 | filing ↗ |
| Melissa Miller | $122K | Aug 26, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 29, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 1, 2026 | filing ↗ |
| Earnings (2.02) | Apr 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 29, 2026 | filing ↗ |
| Earnings (2.02) | Feb 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 17, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 2, 2026 | filing ↗ |
| Earnings (2.02) | Oct 29, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 29, 2025 | filing ↗ |
| Material agreement (1.01) | Oct 1, 2025 | filing ↗ |
| New financial obligation (2.03) | Oct 1, 2025 | filing ↗ |
| Unregistered equity sale (3.02) | Oct 1, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 1, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 1, 2025 | filing ↗ |
| Other events (8.01) | Oct 1, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 1, 2025 | filing ↗ |
| Other events (8.01) | Sep 10, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 10, 2025 | filing ↗ |
| Material agreement (1.01) | Aug 12, 2025 | filing ↗ |
| New financial obligation (2.03) | Aug 12, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 12, 2025 | filing ↗ |
| Earnings (2.02) | Jul 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 30, 2025 | filing ↗ |