Melissa F. (Missy) Miller

CIK: 0001998251

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)8 (50.0%)

Position reduction

Option Exercises (M)4 (25.0%)

Derivative conversions

Awards (A)2 (12.5%)

Compensation grants

Other (G, F, J, C, D, …)2 (12.5%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

WAY

Waystar Holding Corp.

Officer

Discretionary Trading P&L

Holdings

Transaction History (16 total)

WAY
Waystar Holding Corp.
Jun 9, 2026
Tax Payment(F)
Direct
2.9K shares at avg. $19.23$56K
WAY
Waystar Holding Corp.
Mar 9, 2026
Award(A)
Direct
61.7K shares-
WAY
Waystar Holding Corp.
Nov 25, 2025
Exercise(M)
Direct
3.4K shares at avg. $18.19$62K
WAY
Waystar Holding Corp.
Nov 25, 2025
Sale(S)
Direct
3.4K shares at avg. $37.00$126K
WAY
Waystar Holding Corp.
Aug 26, 2025
Sale(S)
Direct
3.4K shares at avg. $37.01$126K
WAY
Waystar Holding Corp.
Aug 26, 2025
Exercise(M)
Direct
3.4K shares at avg. $18.19$62K
WAY
Waystar Holding Corp.
Jun 11, 2025
Sale(S)
Direct
6.1K shares at avg. $40.71$247K
WAY
Waystar Holding Corp.
Jun 6, 2025
Tax Payment(F)
Direct
2.6K shares at avg. $40.55$106K
WAY
Waystar Holding Corp.
May 15, 2025
Exercise(M)
Direct
3.4K shares at avg. $18.19$62K
WAY
Waystar Holding Corp.
May 15, 2025
Sale(S)
Direct
3.4K shares at avg. $39.19$133K
WAY
Waystar Holding Corp.
May 15, 2025
Sale(S)
Direct
100 shares at avg. $40.06$4K
WAY
Waystar Holding Corp.
May 15, 2025
Sale(S)
Direct
3.3K shares at avg. $39.16$129K
WAY
Waystar Holding Corp.
Apr 1, 2025
Award(A)
Direct
158.5K shares-
WAY
Waystar Holding Corp.
Feb 21, 2025
Exercise(M)
Direct
3.4K shares at avg. $18.19$62K
WAY
Waystar Holding Corp.
Feb 21, 2025
Sale(S)
Direct
200 shares at avg. $41.14$8K
WAY
Waystar Holding Corp.
Feb 21, 2025
Sale(S)
Direct
3.2K shares at avg. $42.22$135K

		Type	Shares	Price		Ownership
Jun 9, 2026	WAY Waystar Holding Corp.	Tax Payment(F)	2,887	$19.23	$55,517	Direct
Mar 9, 2026	WAY Waystar Holding Corp.	Award(A)	61,703	-	$0	Direct
Nov 25, 2025	WAY Waystar Holding Corp.	Exercise(M)	3,400	$18.19	$61,846	Direct
Nov 25, 2025	WAY Waystar Holding Corp.	Sale(S)	3,400	$37.00	$125,800	Direct
Aug 26, 2025	WAY Waystar Holding Corp.	Sale(S)	3,400	$37.01	$125,832	Direct
Aug 26, 2025	WAY Waystar Holding Corp.	Exercise(M)	3,400	$18.19	$61,846	Direct
Jun 11, 2025	WAY Waystar Holding Corp.	Sale(S)	6,072	$40.71	$247,197	Direct
Jun 6, 2025	WAY Waystar Holding Corp.	Tax Payment(F)	2,623	$40.55	$106,363	Direct
May 15, 2025	WAY Waystar Holding Corp.	Exercise(M)	3,400	$18.19	$61,846	Direct
May 15, 2025	WAY Waystar Holding Corp.	Sale(S)	3,400	$39.19	$133,233	Direct
May 15, 2025	WAY Waystar Holding Corp.	Sale(S)	100	$40.06	$4,006	Direct
May 15, 2025	WAY Waystar Holding Corp.	Sale(S)	3,300	$39.16	$129,227	Direct
Apr 1, 2025	WAY Waystar Holding Corp.	Award(A)	158,478	-	-	Direct
Feb 21, 2025	WAY Waystar Holding Corp.	Exercise(M)	3,400	$18.19	$61,846	Direct
Feb 21, 2025	WAY Waystar Holding Corp.	Sale(S)	200	$41.14	$8,228	Direct
Feb 21, 2025	WAY Waystar Holding Corp.	Sale(S)	3,200	$42.22	$135,098	Direct

1-16 of 16 transactions

About Miller Melissa F. (Missy)

Miller Melissa F. (Missy) (SEC CIK 0001998251) files insider reports with the SEC as Chief Marketing Officer of Waystar Holding Corp. (WAY).

Signal8 holds 9 ownership filings by Miller Melissa F. (Missy), all Form 4s, filed between Feb 25, 2025 and Jun 9, 2026. Those filings report 16 transactions, from Feb 21, 2025 to Jun 9, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Miller Melissa F. (Missy)'s filings is in LEHI, UT.

Recent filings by Miller Melissa F. (Missy)

Jun 9, 2026: Tax withholding of WAY shares (Form 4, code F).
Mar 9, 2026: Grant or award of WAY shares (Form 4, code A).
Nov 25, 2025: Option exercise of WAY shares (Form 4, code M).
Nov 25, 2025: Open-market sale of WAY shares (Form 4, code S).
Aug 26, 2025: Open-market sale of WAY shares (Form 4, code S).

Other insiders filing for Waystar Holding Corp. (WAY)

Wegner Alpana, Chief Financial Officer
Hawkins Matthew J., Chief Executive Officer
Chan William, Chief Product & AI Officer
DRISCOLL JOHN PATRICK, Director
Gupta Aashima, Director
DeMichiei Robert, Director

How to read Form 4 transaction codes