Missy Miller, Chief Marketing Officer of Waystar Holding Corp. ($WAY), sold shares on the open market six times in the last year for a total of $765 thousand. Her most recent sale occurred on November 25, 2025. These transactions rank her 5,524th among 11,678 insiders, well below the average sale amount of $8.6 million and typical 6 transactions per seller. She made no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 9, 2026 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | A | Common Stock | 61703 | $0.00 | 254,964.0000 | 191,681,592 | 31.93% | 0.03% |
| Nov. 25, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | M | Common Stock | 3400 | $18.19 | 196,661.0000 | 191,316,583 | 1.76% | 0.00% |
| Nov. 25, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | M | Stock Options (right to buy) | 3400 | $0.00 | 28,750.0000 | 191,316,583 | 10.58% | 0.00% |
| Nov. 25, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | S | Common Stock | 3400 | $37.00 | 193,261.0000 | 191,316,583 | 1.73% | 0.00% |
| Aug. 26, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | M | Stock Options (right to buy) | 3400 | $0.00 | 32,150.0000 | 0 | 9.56% | 0.00% |
| June 6, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | F | Common Stock | 2623 | $40.55 | 193,261.0000 | 0 | 1.34% | 0.00% |
| Aug. 26, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | S | Common Stock | 3400 | $37.01 | 193,261.0000 | 0 | 1.73% | 0.00% |
| Aug. 26, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | M | Common Stock | 3400 | $18.19 | 196,661.0000 | 0 | 1.76% | 0.00% |
| May 15, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | M | Stock Options (right to buy) | 3400 | $0.00 | 35,550.0000 | 0 | 8.73% | 0.00% |
| May 15, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | S | Common Stock | 3400 | $39.19 | 201,956.0000 | 0 | 1.66% | 0.00% |
| May 15, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | M | Common Stock | 3400 | $18.19 | 205,356.0000 | 0 | 1.68% | 0.00% |
| June 11, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | S | Common Stock | 6072 | $40.71 | 192,484.0000 | 0 | 3.06% | 0.00% |
| May 15, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | S | Common Stock | 3300 | $39.16 | 198,656.0000 | 0 | 1.63% | 0.00% |
| May 15, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | S | Common Stock | 100 | $40.06 | 198,556.0000 | 0 | 0.05% | 0.00% |
| April 1, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | A | Common Stock | 158478 | $0.00 | 201,956.0000 | 0 | 364.50% | 0.00% |
| Feb. 21, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | M | Common Stock | 3400 | $18.19 | 46,878.0000 | 0 | 7.82% | 0.00% |
| Feb. 21, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | S | Common Stock | 200 | $41.14 | 46,678.0000 | 0 | 0.43% | 0.00% |
| Feb. 21, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | M | Stock Options (right to buy) | 3400 | $0.00 | 38,950.0000 | 0 | 8.03% | 0.00% |
| Feb. 21, 2025 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | S | Common Stock | 3200 | $42.22 | 43,478.0000 | 0 | 6.86% | 0.00% |
| June 6, 2024 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | A | Stock Options (right to buy) | 108695 | $0.00 | 108,695.0000 | 0 | 9999.99% | 0.00% |
| June 10, 2024 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | A | Common Stock | 43478 | $0.00 | 43,478.0000 | 0 | 9999.99% | 0.00% |
| May 1, 2024 | Waystar Holding Corp. | $WAY | Miller Melissa F. (Missy) | Chief Marketing Officer | A | Stock Options (right to buy) | 30250 | $0.00 | 30,250.0000 | 0 | 9999.99% | 0.00% |