TransUnion — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Chambers Tiffani | EVP, Chief Operations Officer | Sale | 4,318 | $86.00 | $371,348 | 50,427 | Dec 17, 2025 |
| Skinner Todd C. | President, International | Sale | 500 | $81.07 | $40,535 | 32,652 | Dec 10, 2025 |
| CHAOUKI STEVEN M | President, US Markets | Sale | 1,000 | $84.04 | $84,040 | 62,592 | Dec 1, 2025 |
| CHAOUKI STEVEN M | President, US Markets | Sale | 1,000 | $80.47 | $80,470 | 63,592 | Nov 3, 2025 |
| Abdelsadek Mohamed | EVP, Chief Global Solutions | Tax Withholding | 10,918 | $82.26 | $898,115 | 73,219 | Oct 1, 2025 |
| CHAOUKI STEVEN M | President, US Markets | Sale | 1,000 | $83.19 | $83,190 | 64,592 | Oct 1, 2025 |
| RUSSELL HEATHER J | EVP, Chief Legal Officer | Sale | 5,337 | $90.01 | $480,383 | 23,011 | Sep 5, 2025 |
| Chambers Tiffani | EVP, Chief Operations Officer | Tax Withholding | 7,584 | $86.03 | $652,452 | 54,745 | Sep 3, 2025 |
| Zuiker Alicia Brooke | EVP, CHRO | Award / Grant | 6,747 | — | — | 45,679 | Sep 2, 2025 |
| Abdelsadek Mohamed | EVP, Chief Global Solutions | Award / Grant | 14,843 | — | — | 84,137 | Sep 2, 2025 |
| CHAOUKI STEVEN M | President, US Markets | Sale | 1,000 | $86.12 | $86,120 | 65,592 | Sep 2, 2025 |
| Williams Jennifer A. | SVP, Chief Accounting Officer | Sale | 755 | $88.46 | $66,787 | 5,691 | Aug 28, 2025 |
| Skinner Todd C. | President, International | Tax Withholding | 4,612 | $88.67 | $408,946 | 33,152 | Aug 28, 2025 |
| RUSSELL HEATHER J | EVP, Chief Legal Officer | Tax Withholding | 3,258 | $88.67 | $288,887 | 28,348 | Aug 28, 2025 |
| CHAOUKI STEVEN M | President, US Markets | Tax Withholding | 5,151 | $88.67 | $456,739 | 66,592 | Aug 28, 2025 |
| Achanta Venkat | EVP, Chief Tech, Data & Analy. | Tax Withholding | 5,508 | $88.67 | $488,394 | 97,431 | Aug 28, 2025 |
| Cello Todd M | EVP & CFO | Tax Withholding | 5,437 | $88.67 | $482,099 | 91,657 | Aug 28, 2025 |
| Cartwright Christopher A | President and CEO | Tax Withholding | 19,863 | $88.67 | $1,761,252 | 397,882 | Aug 28, 2025 |
| Williams Jennifer A. | SVP, Chief Accounting Officer | Sale | 245 | $89.22 | $21,859 | 6,761 | Aug 25, 2025 |
| Skinner Todd C. | President, International | Tax Withholding | 1,207 | $89.46 | $107,978 | 37,764 | Aug 25, 2025 |
| RUSSELL HEATHER J | EVP, Chief Legal Officer | Tax Withholding | 990 | $89.46 | $88,565 | 31,606 | Aug 25, 2025 |
| CHAOUKI STEVEN M | President, US Markets | Tax Withholding | 1,650 | $89.46 | $147,609 | 71,743 | Aug 25, 2025 |
| Achanta Venkat | EVP, Chief Tech, Data & Analy. | Tax Withholding | 1,356 | $89.46 | $121,308 | 102,939 | Aug 25, 2025 |
| Cello Todd M | EVP & CFO | Tax Withholding | 1,938 | $89.46 | $173,373 | 97,094 | Aug 25, 2025 |
| Cartwright Christopher A | President and CEO | Tax Withholding | 6,932 | $89.46 | $620,137 | 417,745 | Aug 25, 2025 |
| CHAOUKI STEVEN M | President, US Markets | Sale | 1,000 | $91.21 | $91,210 | 73,393 | Aug 8, 2025 |
| Williams Jennifer A. | SVP, Chief Accounting Officer | Sale | 972 | $92.89 | $90,289 | 7,108 | Aug 4, 2025 |
| Zuiker Alicia Brooke | EVP, CHRO | Award / Grant | 38,932 | — | — | 38,932 | Jul 1, 2025 |
| CHAOUKI STEVEN M | President, US Markets | Sale | 1,000 | $87.14 | $87,140 | 74,393 | Jul 1, 2025 |
| CHAOUKI STEVEN M | President, US Markets | Sale | 1,000 | $84.91 | $84,910 | 75,393 | Jun 2, 2025 |
| Williams Jennifer A. | SVP, Chief Accounting Officer | Tax Withholding | 404 | $85.63 | $34,595 | 8,080 | May 30, 2025 |
| Zukauckas Linda | — | Award / Grant | 2,463 | — | — | 12,787 | May 7, 2025 |
| Singisetti Ravi Kumar | — | Award / Grant | 2,463 | — | — | 10,028 | May 7, 2025 |
| MONAHAN THOMAS L | — | Award / Grant | 2,463 | — | — | 24,077 | May 7, 2025 |
| GOTTDIENER CHARLES E | — | Award / Grant | 2,463 | — | — | 10,089 | May 7, 2025 |
| FRADIN RUSSELL P | — | Award / Grant | 2,463 | — | — | 18,551 | May 7, 2025 |
| Dia Hamidou | — | Award / Grant | 2,463 | — | — | 10,028 | May 7, 2025 |
| CLARK SUZANNE PATRICIA | — | Award / Grant | 2,463 | — | — | 22,554 | May 7, 2025 |
| Awad George M | — | Award / Grant | 2,463 | — | — | 29,489 | May 7, 2025 |
| JOSEPH PAMELA A | — | Award / Grant | 2,463 | — | — | 39,709 | May 7, 2025 |
| CHAOUKI STEVEN M | President, US Markets | Sale | 1,000 | $82.96 | $82,960 | 76,393 | May 1, 2025 |
| Abdelsadek Mohamed | EVP, Chief Global Solutions | Award / Grant | 69,294 | — | — | 69,294 | Apr 1, 2025 |
| CHAOUKI STEVEN M | President, US Markets | Sale | 1,000 | $83.31 | $83,310 | 77,393 | Apr 1, 2025 |
| Martin Timothy J | EVP - Global Solutions | Sale | 2,500 | $88.64 | $221,600 | 48,510 | Mar 6, 2025 |
| CHAOUKI STEVEN M | President, US Markets | Award / Grant | 19,096 | — | — | 79,393 | Mar 3, 2025 |
| Williams Jennifer A. | SVP, Chief Accounting Officer | Award / Grant | 1,298 | — | — | 8,484 | Feb 28, 2025 |
| Chambers Tiffani | EVP, Chief Operations Officer | Award / Grant | 52,321 | — | — | 62,329 | Feb 28, 2025 |
| RUSSELL HEATHER J | EVP, Chief Legal Officer | Award / Grant | 10,549 | — | — | 32,596 | Feb 28, 2025 |
| Skinner Todd C. | President, International | Award / Grant | 13,524 | — | — | 38,770 | Feb 28, 2025 |
| Martin Timothy J | EVP - Global Solutions | Award / Grant | 5,409 | — | — | 51,010 | Feb 28, 2025 |