MMS · Maximus, Inc. · Insider Trading

These sales were completed pursuant to a 10b5-1 trading plan adopted by the reporting person on December 15, 2025.

These shares were surrendered to satisfy the withholding tax due in connection with the vesting of restricted stock units ("RSUs").

Includes 326.601 dividend equivalents accrued on unvested RSUs since the reporting person's last Form 4 filing.

These shares were surrendered to satisfy the withholding tax due in connection with the vesting of restricted stock units ("RSUs").

Includes 184.029 dividend equivalents accrued on unvested RSUs since the reporting person's last Form 4 filing.

These shares were surrendered to satisfy the withholding tax due in connection with the vesting of restricted stock units ("RSUs").

Includes 104.753 dividend equivalents accrued on unvested RSUs since the reporting person's last Form 4 filing.

These shares were surrendered to satisfy the withholding tax due in connection with the vesting of restricted stock units ("RSUs").

Includes 50.054 dividend equivalents accrued on unvested RSUs since the reporting person's Form 3 filing.

These shares were surrendered to satisfy the withholding tax due in connection with the vesting of restricted stock units ("RSUs").

Includes 240.271 dividend equivalents accrued on unvested RSUs since the reporting person's last Form 4 filing.

These sales were completed pursuant to a 10b5-1 trading plan adopted by the reporting person on September 14, 2024.

Represents a grant of restricted stock units ("RSUs") that vest one year from the date of grant. The reporting person elected to defer the receipt of common stock until the termination of service as a member of the issuer's board of directors.

Includes 135.462 dividend equivalent rights accrued on previously-awarded RSUs that vest proportionately with the RSUs to which they relate.

Represents a grant of restricted stock units ("RSUs") that vest one year from the date of grant. The reporting person elected to defer the receipt of common stock until the termination of service as a member of the issuer's board of directors.

Includes 65.219 dividend equivalent rights accrued on previously-awarded RSUs that vest proportionately with the RSUs to which they relate.

Represents a grant of restricted stock units ("RSUs") that vest one year from the date of grant.

Includes (i) 50.82 dividend equivalent rights accrued on previously-awarded RSUs that vest proportionately with the RSUs to which they relate and (ii) 18.151 shares acquired via dividend reinvestment.

Represents a grant of restricted stock units ("RSUs") that vest one year from the date of grant.

Includes 13.83 dividend equivalent rights accrued on previously-awarded RSUs that vest proportionately with the RSUs to which they relate.

Represents a grant of restricted stock units ("RSUs") that vest one year from the date of grant.

Includes (i) 9.878 dividend equivalent rights accrued on previously-awarded RSUs that vest proportionately with the RSUs to which they relate and (ii) 53.308 shares acquired via dividend reinvestment.

Reflects the gift of common stock to a family member.

Reflects the gift of common stock to a charitable donor advised fund.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $77.52 to $78.45, inclusive. The reporting person will provide full information regarding the number of shares purchased at each separate price upon request by the Commission staff, the issuer, or a security holder of the issuer.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $76.51 to $77.31, inclusive. The reporting person will provide full information regarding the number of shares purchased at each separate price upon request by the Commission staff, the issuer, or a security holder of the issuer.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $78.54 to $78.97, inclusive. The reporting person will provide full information regarding the number of shares purchased at each separate price upon request by the Commission staff, the issuer, or a security holder of the issuer.

Reflects 32,764 shares of common stock previously reported as held by John J. Haley Grantor Retained Annuity Trust Six, which shares were transferred back to the reporting person in satisfaction of an annuity payment in an exempt transaction under Rule 16a-13.

These sales were completed pursuant to a 10b5-1 trading plan adopted by the reporting person on December 6, 2024.

These shares were surrendered to satisfy the withholding tax due in connection with the release of the PSUs.

These shares were surrendered to satisfy the withholding tax due in connection with the release of the PSUs.

Reflects a downward adjustment of 1.515 shares to correct a clerical error in the reporting person's previous reports.

These shares were surrendered to satisfy the withholding tax due in connection with the release of the PSUs.

These shares were received upon the release of performance stock units ("PSUs") granted on November 25, 2022. The reported amount includes 37.131 shares representing the dividend equivalent rights accrued on the PSUs.

These shares were surrendered to satisfy the withholding tax due in connection with the release of the PSUs.

These shares were received upon the release of performance stock units ("PSUs") granted on November 25, 2022. The reported amount includes 2,973.815 shares representing the dividend equivalent rights accrued on the PSUs.

These shares were received upon the release of performance stock units ("PSUs") granted on November 25, 2022. The reported amount includes 227.500 shares representing the dividend equivalent rights accrued on the PSUs.

These shares were received upon the release of performance stock units ("PSUs") granted on November 25, 2022. The reported amount includes 236.401 shares representing the dividend equivalent rights accrued on the PSUs.

These shares were surrendered to satisfy the withholding tax due in connection with the release of the PSUs.

These shares were received upon the release of performance stock units ("PSUs") granted on November 25, 2022. The reported amount includes 414.003 shares representing the dividend equivalent rights accrued on the PSUs.

Dividend equivalent rights accrued on previously-awarded restricted stock units ("RSU") which vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Maximus common stock.

Dividend equivalent rights accrued on previously-awarded restricted stock units ("RSU") which vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Maximus common stock.

Dividend equivalent rights accrued on previously-awarded restricted stock units ("RSU") which vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Maximus common stock.

Dividend equivalent rights accrued on previously-awarded restricted stock units ("RSU") which vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Maximus common stock.

Dividend equivalent rights accrued on previously-awarded restricted stock units ("RSU") which vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Maximus common stock.

Dividend equivalent rights accrued on previously-awarded restricted stock units ("RSU") which vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Maximus common stock.

Dividend equivalent rights accrued on previously-awarded restricted stock units ("RSU") which vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Maximus common stock.

Dividend equivalent rights accrued on previously-awarded restricted stock units ("RSU") which vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Maximus common stock.

Dividend equivalent rights accrued on previously-awarded restricted stock units ("RSU") which vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Maximus common stock.

Reflects the gift of common stock to a family member.

Dividend equivalent rights accrued on previously-awarded restricted stock units ("RSU") which vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Maximus common stock.

Dividend equivalent rights accrued on previously-awarded restricted stock units ("RSU") which vest proportionately with the RSUs to which they relate. Each dividend equivalent right is the economic equivalent of one share of Maximus common stock.

Shares purchased via dividend reinvestment.

Shares purchased via dividend reinvestment.

Reflects the gift of common stock to a charitable donor advised fund.

Represents a grant of restricted stock units ("RSUs"), which vest based upon the following schedule, subject to deferred vesting for a longer period of the election of the individual, as permitted by the terms of the award: A 3-year ratable vest that occurs on 09/30/2026, 09/30/2027, and 09/30/2028. Each RSU represents a contingent right to receive one share of common stock.

Represents a grant of restricted stock units ("RSUs"), which vest based upon the following schedule, subject to deferred vesting for a longer period of the election of the individual, as permitted by the terms of the award: A 3-year ratable vest that occurs on 09/30/2026, 09/30/2027, and 09/30/2028. Each RSU represents a contingent right to receive one share of common stock.