Updated Jul 16, 2026 · Last SEC filing 2026-06-09
Waystar Holding Corp. (WAY) has filed 13 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-09. 2 Form 8-K material event filings were reported by WAY in the last 90 days. 3 Form 144 notices of proposed sale were filed for WAY stock. InsiderAlpha tracks every WAY SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Services-Computer Integrated Systems Design (SIC 7373) |
|---|---|
| SEC CIK | 0001990354 |
| Form 4 filings (90d) | 13 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 3 |
| Latest Form 4 filing | 2026-06-09 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oreskovich Steven M | Chief Financial Officer | F — Tax withholding / forfeiture | 12.6K | $19.23 | $242K | SEC | |
| Hawkins Matthew J. | Chief Executive Officer | F — Tax withholding / forfeiture | 47.8K | $19.23 | $918K | SEC | |
| Wittman Kimberly S. | Chief People Officer | F — Tax withholding / forfeiture | 2.7K | $19.23 | $53K | SEC | |
| Bridge T. Craig | Chief Transformation Officer | F — Tax withholding / forfeiture | 12.2K | $19.23 | $235K | SEC | |
| Miller Melissa F. (Missy) | Chief Marketing Officer | F — Tax withholding / forfeiture | 2.9K | $19.23 | $56K | SEC | |
| Schremser Christopher L. | Chief Technology Officer | F — Tax withholding / forfeiture | 14.8K | $19.23 | $284K | SEC | |
| DeMichiei Robert | Director | A — Grant or award | 9.3K | $0.00 | — | SEC | |
| DRISCOLL JOHN PATRICK | Director | A — Grant or award | 9.3K | $0.00 | — | SEC | |
| Roman Michael F | Director | A — Grant or award | 9.3K | $0.00 | — | SEC | |
| Gupta Aashima | Director | A — Grant or award | 9.3K | $0.00 | — | SEC | |
| MILLER HEIDI | Director | A — Grant or award | 9.3K | $0.00 | — | SEC | |
| Riefberg Vivian E. | Director | A — Grant or award | 9.3K | $0.00 | — | SEC | |
| Hung Priscilla | Director | A — Grant or award | 9.3K | $0.00 | — | SEC | |
| Chan William | Chief Product & AI Officer | A — Grant or award | 82.3K | $0.00 | — | SEC | |
| Miller Melissa F. (Missy) | Chief Marketing Officer | A — Grant or award | 61.7K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Waystar Holding Corp. (WAY). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Gupta Aashima | 1 | — |
| Schremser Christopher L. | 1 | $284K |
| Oreskovich Steven M | 1 | $242K |
| Hung Priscilla | 1 | — |
| Roman Michael F | 1 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in WAY insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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