SCHREMSER CHRISTOPHER L.

PrivateCIK: 1998333
Location

LEHI, UT

SCHREMSER CHRISTOPHER L. (Chief Technology Officer) sold 2.0% of their position (8.62K shares) of WAYSTAR HOLDING CORP. on the open market

Open‑market sale worth $349.2K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderSCHREMSER CHRISTOPHER L.CIK 1998333
IssuerWAYSTAR HOLDING CORP.CIK 1990354
Officer· Chief Technology Officer
Since Mar 2026
-24.30K
Net shares
Net seller
$984.7K
Total sold
1
Open market trades
0B · 1S
4
Total transactions
8.62K acquired · 32.92K disposed
Non-Derivative Transactions3

Common Stock

Direct
F · Tax Withholding

Shares

15.67K

Price / share

$40.55

Trade value

$635.54K

% of position

3.6%
6/6/2025
438.04K422.37K

Common Stock

Direct
M · Option Exercise

Shares

+8.62K

Price / share

$4.14

Trade value

$35.70K

% of position

2.0%
9/10/2025
422.37K430.99K

Common Stock

Direct
S · Sale

Shares

8.62K

Price / share

$40.49

Trade value

$349.16K

% of position

2.0%
9/10/2025
430.99K422.37K
Total

Net shares

15.67K

Net value

-$949K

Derivative Transactions1

Stock Options (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

8.62K shares

Shares

8.62K

Strike price

4.14

Held after

94.86K

Exercisable

9/10/2025
SCHREMSER CHRISTOPHER L. — Insider Transaction (Form 4) Filed Sep 11, 2025 | Finecho