Form4insider filings, from the source

Company · CIK 0001990354 · SIC 7373 — Services-Computer Integrated Systems Design · Nasdaq

Waystar Holding Corp. · WAY

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $5.8M · 3net −$5.8M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJul 14Jul 22Jul 31Aug 8Aug 17Aug 25Sep 3

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 2, 2026 SForm 4 →Sep 3, 1:15 pm EDTMatthew J. HawkinsChief Executive Officer, Director82,500$25.97$2,142,5831,804,794−4.37%10b5-1
Sep 1, 2026 FForm 4 →Sep 3, 1:17 pm EDTGregory R PackerChief Legal officer6,754$25.73$173,780418,255—
Sep 1, 2026 FForm 4 →Sep 3, 1:16 pm EDTT. Craig BridgeChief Transformation Officer30,792$25.73$792,278833,234—
Sep 1, 2026 FMForm 4 →Sep 3, 1:15 pm EDTMatthew J. HawkinsChief Executive Officer, Director112,787$9.94$1,120,8351,887,294—10b5-1
Aug 17, 2026 AForm 4 →Sep 8, 3:57 pm EDTAmit KhannaChief Prod. & Tech. Officer390,625——390,625— late
Aug 11, 2026 SForm 4 →Aug 13, 5:41 pm EDTMatthew J. HawkinsChief Executive Officer, Director82,500$25.02$2,064,0311,835,081−4.30%10b5-1
Aug 11, 2026 MForm 4 →Aug 13, 5:41 pm EDTMatthew J. HawkinsChief Executive Officer, Director82,500$4.14$341,5501,895,119—10b5-1
Aug 1, 2026 AForm 4 →Aug 10, 10:37 am EDTTodd Charles WoodsChief Commercial Officer90,827——220,506— late
Aug 1, 2026 AForm 4 →Aug 3, 3:43 pm EDTMatthew J. HawkinsChief Executive Officer, Director908,265——1,835,081—
Aug 1, 2026 AForm 4 →Aug 3, 3:42 pm EDTT. Craig BridgeChief Transformation Officer205,470——864,026—
Jul 24, 2026 AForm 4 →Aug 14, 2:32 pm EDTAlpana WegnerChief Financial Officer162,112——162,112— late
Jul 15, 2026 SForm 4 →Jul 17, 5:21 pm EDTMatthew J. HawkinsChief Executive Officer, Director70,000$23.06$1,613,976926,816−7.02%10b5-1
Jul 15, 2026 MForm 4 →Jul 17, 5:21 pm EDTMatthew J. HawkinsChief Executive Officer, Director70,000$4.14$289,800963,717—10b5-1
Jun 9, 2026 FForm 4 →Jun 9, 4:59 pm EDTMatthew J. HawkinsChief Executive Officer, Director47,754$19.23$918,309926,816—
Jun 9, 2026 FForm 4 →Jun 9, 4:59 pm EDTKimberly S. WittmanChief People Officer2,731$19.23$52,517270,233—
Jun 9, 2026 FForm 4 →Jun 9, 4:59 pm EDTT. Craig BridgeChief Transformation Officer12,212$19.23$234,837658,556—
Jun 9, 2026 FForm 4 →Jun 9, 4:59 pm EDTSteven M OreskovichChief Financial Officer12,583$19.23$241,971424,200—
Jun 9, 2026 FForm 4 →Jun 9, 4:59 pm EDTMelissa F. (Missy) MillerChief Marketing Officer2,887$19.23$55,517252,077—
Jun 9, 2026 FForm 4 →Jun 9, 4:59 pm EDTChristopher L. SchremserChief Technology Officer14,751$19.23$283,662495,033—
Jun 3, 2026 AForm 4/A →Sep 25, 12:40 pm EDTJohn Patrick DriscollDirector10,446——101,203—
Jun 3, 2026 AForm 4/A →Sep 25, 12:37 pm EDTAashima GuptaDirector10,446——15,580—
Jun 3, 2026 AForm 4/A →Sep 25, 12:37 pm EDTRobert DeMichieiDirector10,446——47,342—
Jun 3, 2026 AForm 4/A →Sep 25, 12:37 pm EDTVivian E. RiefbergDirector10,446——24,275—
Jun 3, 2026 AForm 4/A →Sep 25, 12:37 pm EDTHeidi MillerDirector10,446——42,060—
Jun 3, 2026 AForm 4/A →Sep 25, 12:37 pm EDTMichael F RomanDirector10,446——15,580—
Jun 3, 2026 AForm 4/A →Sep 25, 12:37 pm EDTPriscilla HungDirector10,446——24,275—
Jun 3, 2026 AForm 4 →Jun 3, 6:24 pm EDTRobert DeMichieiDirector9,303——46,199— amended
Jun 3, 2026 AForm 4 →Jun 3, 6:24 pm EDTAashima GuptaDirector9,303——14,437— amended
Jun 3, 2026 AForm 4 →Jun 3, 6:24 pm EDTMichael F RomanDirector9,303——14,437— amended
Jun 3, 2026 AForm 4 →Jun 3, 6:24 pm EDTVivian E. RiefbergDirector9,303——23,132— amended
Jun 3, 2026 AForm 4 →Jun 3, 6:24 pm EDTHeidi MillerDirector9,303——40,917— amended
Jun 3, 2026 AForm 4 →Jun 3, 6:23 pm EDTPriscilla HungDirector9,303——23,132— amended
Jun 3, 2026 AForm 4 →Jun 3, 6:19 pm EDTJohn Patrick DriscollDirector9,303——100,060— amended
Apr 6, 2026 AFForm 4 →Aug 3, 3:44 pm EDTGregory R PackerChief Legal officer236,077$23.69$95,139425,009— late

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 2, 2026 MForm 4 →Sep 3, 1:15 pm EDTMatthew J. HawkinsChief Executive Officer, Director82,500——1,510,098—10b5-1
Aug 11, 2026 MForm 4 →Aug 13, 5:41 pm EDTMatthew J. HawkinsChief Executive Officer, Director82,500——1,315,837—10b5-1
Jul 15, 2026 MForm 4 →Jul 17, 5:21 pm EDTMatthew J. HawkinsChief Executive Officer, Director70,000——1,398,337—10b5-1