TransUnion Officer Mohamed Abdelsadek Files Form 144 to Sell 500 Shares

Executive Summary

On October 15, 2026, TransUnion officer Mohamed Abdelsadek filed a Form 144 notice of proposed sale for 500 shares of common stock through Fidelity Brokerage Services LLC, with an aggregate market value of approximately $35,000 ($70.00 per share).

Transaction & Plan Details

• Security: Common Stock
• Shares Proposed for Sale: 500
• Aggregate Market Value: $35,000.00
• Acquisition Origin: The shares were acquired on August 28, 2026, via restricted stock vesting as equity compensation from the issuer.
• Trading Plan: The proposed sale is executed pursuant to a Rule 10b5-1 trading plan established on June 11, 2026.

Prior 3-Month Sales Activity

Mr. Abdelsadek has executed multiple sales over the prior three months:

• July 28, 2026: 23,495 shares sold for gross proceeds of $1,997,075.00
• September 14, 2026: 1,250 shares sold for gross proceeds of $98,837.50
• October 1, 2026: 250 shares sold for gross proceeds of $15,572.50

Market Impact & Significance

Trading significance is rated as Low. The 500 shares represent a negligible fraction (<0.001%) of TransUnion's 191.6 million shares outstanding and are sold under a pre-established Rule 10b5-1 trading plan.