๐Ÿ•ต๏ธ Waystar Holding Corp. ($WAY)

SEC insider & ownership activity, last 12 months ยท CIK 1990354 ยท every row links its SEC filing

Over the last 12 months insiders sold $10.4M against $189K of open-market buying. Matthew J. Hawkins sold $6.8M through a 10b5-1 trading plan in 8 lots (Sepโ€“Sep). 1 planned sale is pending, the largest $555K (Matthew Hawkins). No red-flag 8-Ks in the window.

๐Ÿšจ 2 signals active โ€” planned-vs-executed verdicts, pre-event flags, and cluster context live in the API and the alerts bot.
Oct 2025: net -$678K Nov 2025: net -$779K Dec 2025: net -$581K Jan 2026: net -$1.2M Feb 2026: net +$0 Mar 2026: net +$189K Apr 2026: net +$0 May 2026: net +$0 Jun 2026: net +$0 Jul 2026: net -$1.6M Aug 2026: net -$2.1M Sep 2026: net -$2.1M
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

1 buyer, $189K (1 lots) ยท 4 sellers, $10.4M (17 lots)

InsiderBuysBoughtSellsSoldLast
Matthew J. Hawkins0โ€“ 8$6.8MSep 2, 2026
Eric L. Sinclair III0โ€“ 5$2.6MJan 20, 2026
Christopher L. Schremser0โ€“ 3$886KDec 10, 2025
Miller Heidi1$189K 0โ€“Mar 2, 2026
Miller Melissa F. (MISSY)0โ€“ 1$126KNov 25, 2025

5%+ holders

HolderStakeClassScheduleEvent
Derby LuxCo S.a R.l. 14.2% 13GNov 7, 2025 filing โ†—
EQT Fund Management S.A R.L. 14.2% 13GNov 7, 2025 filing โ†—
FMR LLC 10.2% 13GAug 7, 2026 filing โ†—
Abigail P. Johnson 10.2% 13GAug 7, 2026 filing โ†—
Canada Pension PLAN Investment Board 9.9% 13GNov 13, 2025 filing โ†—
CPP Investment Board Private Holdings (4) Inc. 9.9% 13GNov 13, 2025 filing โ†—
BlackRock, Inc. 9.1% 13GOct 17, 2025 filing โ†—
BCPE Derby (DE) SPV, LP 5.9% 13GNov 14, 2025 filing โ†—
Advent International GP, LLC 5.8% 13DOct 1, 2025 filing โ†—
AIO Holdings L.P. 5.8% 13DOct 1, 2025 filing โ†—
Advent International, L.P. 5.8% 13DOct 1, 2025 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Matthew Hawkins$2.1MSep 2, 2026 filing โ†—
Chris Lawrence Schremser$13.0MAug 13, 2026 filing โ†—
Matthew Hawkins$1.5MAug 13, 2026 filing โ†—
Melissa Miller$1.3MAug 13, 2026 filing โ†—
Matthew Hawkins$555KAug 11, 2026 filing โ†—
Matthew J. Hawkins$1.6MJul 15, 2026 filing โ†—
Eric L. Sinclair III$3.2MMay 29, 2026 filing โ†—
Eric L. Sinclair III$3.9MMay 28, 2026 filing โ†—
Eric L. Sinclair III$1.2MJan 20, 2026 filing โ†—
Eric Lee Sinclair III$319KDec 22, 2025 filing โ†—
Christopher Schremser$262KDec 10, 2025 filing โ†—
Melissa Miller$124KNov 25, 2025 filing โ†—
Matthew J. Hawkins$1.9MSep 22, 2025 filing โ†—

Material events (8-K)

ItemEvent date
Earnings (2.02)Jul 29, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jul 29, 2026 filing โ†—
Shareholder vote (5.07)Jun 1, 2026 filing โ†—
Earnings (2.02)Apr 29, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 29, 2026 filing โ†—
Earnings (2.02)Feb 17, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 17, 2026 filing โ†—
Officer/director changes (5.02)Feb 2, 2026 filing โ†—
Earnings (2.02)Oct 29, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 29, 2025 filing โ†—
Material agreement (1.01)Oct 1, 2025 filing โ†—
New financial obligation (2.03)Oct 1, 2025 filing โ†—
Unregistered equity sale (3.02)Oct 1, 2025 filing โ†—
Officer/director changes (5.02)Oct 1, 2025 filing โ†—
Reg FD disclosure (7.01)Oct 1, 2025 filing โ†—
Other events (8.01)Oct 1, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 1, 2025 filing โ†—