Michelle R. Mortensen, VP, Corporate Secretary and Chief of Staff at California Water Service Group ($CWT), made one open market sale of company shares in the last year, totaling $40,046. Her most recent sale occurred on December 23, 2025. With no purchases recorded, her sales volume ranks 10,606th among 11,678 insiders, well below the average of 8.6 million per person and 6.4 transactions.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 5, 2026 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP Corp Sect & Chief of Staff | F | Common Stock | 80 | $45.78 | 12,797.8000 | 59,653,000 | 0.62% | 0.00% |
| March 7, 2026 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP Corp Sect & Chief of Staff | A | Common Stock | 900 | $0.00 | 13,697.8000 | 59,653,000 | 7.03% | 0.00% |
| March 7, 2026 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP Corp Sect & Chief of Staff | F | Common Stock | 534 | $45.59 | 13,163.8000 | 59,653,000 | 3.90% | 0.00% |
| March 7, 2026 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP Corp Sect & Chief of Staff | F | Common Stock | 63 | $45.59 | 13,100.8000 | 59,653,000 | 0.48% | 0.00% |
| March 4, 2026 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP Corp Sect & Chief of Staff | F | Common Stock | 327 | $46.99 | 12,877.8000 | 59,653,000 | 2.48% | 0.00% |
| March 3, 2026 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP Corp Sect & Chief of Staff | A | Common Stock | 1650 | $0.00 | 13,204.8000 | 59,653,000 | 14.28% | 0.00% |
| Dec. 23, 2025 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | S | Common Stock | 924 | $43.34 | 11,511.8000 | 59,653,000 | 7.43% | 0.00% |
| Dec. 5, 2025 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP Corp Sect & Chief of Staff | F | Common Stock | 73 | $44.88 | 12,492.8000 | 59,653,000 | 0.58% | 0.00% |
| Dec. 7, 2025 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP Corp Sect & Chief of Staff | F | Common Stock | 57 | $44.88 | 12,435.8000 | 59,653,000 | 0.46% | 0.00% |
| Sept. 5, 2025 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP Corp Sect & Chief of Staff | F | Common Stock | 73 | $47.09 | 12,622.8000 | 58,647,000 | 0.57% | 0.00% |
| Sept. 7, 2025 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP Corp Sect & Chief of Staff | F | Common Stock | 57 | $47.09 | 12,565.8000 | 58,647,000 | 0.45% | 0.00% |
| June 7, 2025 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | F | Common Stock | 57 | $45.62 | 12,695.8000 | 58,647,000 | 0.45% | 0.00% |
| June 5, 2025 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | F | Common Stock | 71 | $45.85 | 12,752.8000 | 58,647,000 | 0.55% | 0.00% |
| March 7, 2025 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | F | Common Stock | 63 | $47.90 | 12,823.8000 | 58,647,000 | 0.49% | 0.00% |
| March 5, 2025 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | F | Common Stock | 319 | $46.65 | 12,886.8000 | 58,647,000 | 2.42% | 0.00% |
| March 4, 2025 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | A | Common Stock | 1653 | $0.00 | 13,205.8000 | 58,647,000 | 14.31% | 0.00% |
| March 3, 2025 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | A | Common Stock | 1814 | $0.00 | 12,688.8000 | 58,647,000 | 16.68% | 0.00% |
| March 3, 2025 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | F | Common Stock | 1073 | $45.45 | 11,615.8000 | 58,647,000 | 8.46% | 0.00% |
| March 3, 2025 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | F | Common Stock | 63 | $45.45 | 11,552.8000 | 58,647,000 | 0.54% | 0.00% |
| Dec. 9, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | F | Common Stock | 57 | $48.70 | 10,874.8000 | 58,982,000 | 0.52% | 0.00% |
| Dec. 2, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | F | Common Stock | 57 | $51.19 | 10,904.8000 | 58,982,000 | 0.52% | 0.00% |
| Sept. 9, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | F | Common Stock | 57 | $54.28 | 10,961.8000 | 56,983,000 | 0.52% | 0.00% |
| Sept. 3, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | F | Common Stock | 57 | $55.33 | 11,018.8000 | 56,983,000 | 0.51% | 0.00% |
| June 7, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | F | Common Stock | 57 | $47.59 | 11,075.8000 | 56,983,000 | 0.51% | 0.00% |
| June 5, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | A | Common Stock | 1616 | $49.62 | 11,132.8000 | 56,983,000 | 16.98% | 0.00% |
| June 1, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | F | Common Stock | 58 | $0.00 | 9,516.8000 | 56,983,000 | 0.61% | 0.00% |
| March 5, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | VP, Corp Sec &Chief of Staff | A | Common Stock | 0 | $0.00 | 9,795.0000 | 56,983,000 | 0.00% | 0.00% |
| March 7, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | F | Common Stock | 233 | $46.24 | 11,178.0000 | 56,983,000 | 2.04% | 0.00% |
| March 5, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | A | Common Stock | 1616 | $45.37 | 11,411.0000 | 56,983,000 | 16.50% | 0.00% |
| March 2, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | F | Common Stock | 1334 | $45.43 | 9,860.0000 | 56,983,000 | 11.92% | 0.00% |
| March 1, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | F | Common Stock | 64 | $45.43 | 8,936.0000 | 56,983,000 | 0.71% | 0.00% |
| March 2, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | A | Common Stock | 2258 | $0.00 | 11,194.0000 | 56,983,000 | 25.27% | 0.00% |
| March 3, 2024 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | F | Common Stock | 65 | $45.53 | 9,795.0000 | 56,983,000 | 0.66% | 0.00% |
| Dec. 12, 2023 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | S | Common Stock | 675 | $52.56 | 8,983.0000 | 54,363,000 | 6.99% | 0.00% |
| Dec. 1, 2023 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | F | Common Stock | 57 | $61.69 | 9,716.0000 | 54,363,000 | 0.58% | 0.00% |
| Dec. 3, 2023 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | F | Common Stock | 58 | $51.69 | 9,658.0000 | 54,363,000 | 0.60% | 0.00% |
| Sept. 3, 2023 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | D | Common Stock | 58 | $50.10 | 9,773.0000 | 54,363,000 | 0.59% | 0.00% |
| Sept. 1, 2023 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | D | Common Stock | 57 | $50.10 | 9,831.0000 | 54,363,000 | 0.58% | 0.00% |
| June 3, 2023 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | D | Common Stock | 58 | $57.89 | 9,888.0000 | 54,363,000 | 0.58% | 0.00% |
| June 1, 2023 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | D | Common Stock | 57 | $56.12 | 9,946.0000 | 54,363,000 | 0.57% | 0.00% |
| March 7, 2023 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | A | Common Stock | 1275 | $58.83 | 10,003.0000 | 54,363,000 | 14.61% | 0.00% |
| March 1, 2023 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | F | Common Stock | 251 | $55.90 | 8,238.0000 | 54,363,000 | 2.96% | 0.00% |
| March 3, 2023 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | F | Common Stock | 856 | $56.84 | 8,728.0000 | 54,363,000 | 8.93% | 0.00% |
| March 3, 2023 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | A | Common Stock | 1453 | $0.00 | 9,584.0000 | 54,363,000 | 17.87% | 0.00% |
| March 3, 2023 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | F | Common Stock | 42 | $56.84 | 8,131.0000 | 54,363,000 | 0.51% | 0.00% |
| March 2, 2023 | CALIFORNIA WATER SERVICE GROUP | $CWT | Mortensen Michelle R | Corporate Secretary | F | Common Stock | 65 | $56.76 | 8,173.0000 | 54,363,000 | 0.79% | 0.00% |