TPC

The restricted stock units (RSUs) convert into common stock of Tutor Perini Corporation on a 1-for-1 basis.

On June 19, 2025, the reporting person was granted 3,574 RSUs, of which 1,191 vested on June 19, 2026, 1,191 vest on June 19, 2027 and 1,192 vest on June 19, 2028, contingent upon the reporting person's continued employment through these dates.

The restricted stock units (RSUs) convert into common stock of Tutor Perini Corporation on a 1-for-1 basis.

The restricted stock units (RSUs) convert into common stock of Tutor Perini Corporation on a 1-for-1 basis.

The restricted stock units (RSUs) convert into common stock of Tutor Perini Corporation on a 1-for-1 basis.

On June 19, 2025, the reporting person was granted 78,609 RSUs, of which 26,203 vested on June 19, 2026 and 26,203 vest on each of June 19, 2027 and 2028, contingent upon the reporting person's continued employment through these dates.

The restricted stock units (RSUs) convert into common stock of Tutor Perini Corporation on a 1-for-1 basis.

The restricted stock units (RSUs) convert into common stock of Tutor Perini Corporation on a 1-for-1 basis.

On June 19, 2025, the reporting person was granted 78,609 RSUs, of which 26,203 vested on June 19, 2026 and 26,203 vest on each of June 19, 2027 and 2028, contingent upon the reporting person's continued employment through these dates.

The shares were gifted to the Meridian Foundation, Inc., Mr. Oklak's family non-profit foundation, and not sold. Mr. Oklak has voting and investment power over the shares held by the Meridian Foundation, Inc., but no longer has any pecuniary interest in these shares.

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

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

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.35 to $75.68, inclusive. The reporting person undertakes to provide to Tutor Perini Corporation, any security holder of Tutor Perini Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in the footnote to this Form 4.

Represents shares of common stock issued to the reporting person as partial compensation for 2026 Board of Directors annual retainer fee.

The restricted stock units (RSUs) convert into common stock of Tutor Perini Corporation on a 1-for-1 basis.

On May 20, 2026, the reporting person was granted 10,971 RSUs, of which 3,657 vest on each of May 20, 2027, 2028 and 2029, contingent upon the reporting person's continued employment through these dates.

Represents shares of common stock issued to the reporting person as partial compensation for 2026 Board of Directors annual retainer fee.

Represents shares of common stock issued to the reporting person as partial compensation for 2026 Board of Directors annual retainer fee.

Represents shares of common stock issued to the reporting person as partial compensation for 2026 Board of Directors annual retainer fee.

Represents shares of common stock issued to the reporting person as partial compensation for 2026 Board of Directors annual retainer fee.

The restricted stock units (RSUs) convert into common stock of Tutor Perini Corporation on a 1-for-1 basis.

On May 20, 2026, the reporting person was granted 10,971 RSUs, of which 3,657 vest on each of May 20, 2027, 2028 and 2029, contingent upon the reporting person's continued employment through these dates.

Represents shares of common stock issued to the reporting person as compensation for 2026 Board of Directors annual retainer fee.

Represents shares of common stock issued to the reporting person as compensation for 2026 Board of Directors annual retainer fee.

The restricted stock units (RSUs) convert into common stock of Tutor Perini Corporation on a 1-for-1 basis.

On May 20, 2026, the reporting person was granted 5,485 RSUs, of which 1,828 vest on each of May 20, 2027 and 2028 and 1,829 vest on May 20, 2029, contingent upon the reporting person's continued employment through these dates.

The restricted stock units (RSUs) convert into common stock of Tutor Perini Corporation on a 1-for-1 basis.

On May 20, 2026, the reporting person was granted 11,702 RSUs, of which 3,900 vest on May 20, 2027 and 3,901 vest on each of May 20, 2028 and 2029, contingent upon the reporting person's continued employment through these dates.

Represents shares of common stock issued to the reporting person as partial compensation for 2026 Board of Directors annual retainer fee.

The restricted stock units (RSUs) convert into common stock of Tutor Perini Corporation on a 1-for-1 basis.

On May 20, 2026, the reporting person was granted 40,226 RSUs, of which 13,408 vest on May 20, 2027 and 13,409 vest on each of May 20, 2028 and 2029, contingent upon the reporting person's continued employment through these dates.

The restricted stock units (RSUs) convert into common stock of Tutor Perini Corporation on a 1-for-1 basis.

On May 20, 2026, the reporting person was granted 11,702 RSUs, of which 3,900 vest on May 20, 2027 and 3,901 vest on each of May 20, 2028 and 2029, contingent upon the reporting person's continued employment through these dates.

The price reported on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $74.25 to $74.30, inclusive. The reporting person undertakes to provide to Tutor Perini Corporation, any security holder of Tutor Perini Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in the footnote to this Form 4.

On March 14, 2025, the reporting person was granted 19,439 cash-settled phantom stock units, of which 6,479 vested on March 14, 2026 and 6,480 vest on each of March 14, 2027 and 2028, contingent upon the reporting person's continued employment through each applicable vesting date. The 6,479 phantom stock units that vested on March 14, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 14, 2025, the reporting person was granted 19,439 cash-settled phantom stock units, of which 6,479 vested on March 14, 2026 and 6,480 vest on each of March 14, 2027 and 2028, contingent upon the reporting person's continued employment through each applicable vesting date. The 6,479 phantom stock units that vested on March 14, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 14, 2025, the reporting person was granted 19,439 cash-settled phantom stock units, of which 6,479 vested on March 14, 2026 and 6,480 vest on each of March 14, 2027 and 2028, contingent upon the reporting person's continued employment through each applicable vesting date. The 6,479 phantom stock units that vested on March 14, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 13, 2024, the reporting person was granted 458,795 cash-settled phantom stock units, of which 152,932 vested on each of March 13, 2025 and 2026, and 152,931 vest on December 31, 2026, contingent upon the reporting person's continued employment through each applicable vesting date. The 152,932 phantom stock units that vested on March 13, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 13, 2024, the reporting person was granted 14,337 cash-settled phantom stock units, of which 4,779 vested on each of March 13, 2025 and 2026 and 4,779 vest on March 13, 2027, contingent upon the reporting person's continued employment through each applicable vesting date. The 4,779 phantom stock units that vested on March 13, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 13, 2024, the reporting person was granted 14,337 cash-settled phantom stock units, of which 4,779 vested on each of March 13, 2025 and 2026 and 4,779 vest on March 13, 2027, contingent upon the reporting person's continued employment through each applicable vesting date. The 4,779 phantom stock units that vested on March 13, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 13, 2024, the reporting person was granted 172,048 cash-settled phantom stock units, of which 57,349 vested on each of March 13, 2025 and 2026, and 57,350 vest on March 13, 2027, contingent upon the reporting person's continued employment through each applicable vesting date. The 57,349 phantom stock units that vested on March 13, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 13, 2024, the reporting person was granted 458,795 cash-settled phantom stock units, of which 152,932 vested on each of March 13, 2025 and 2026, and 152,931 vest on December 31, 2026, contingent upon the reporting person's continued employment through each applicable vesting date. The 152,932 phantom stock units that vested on March 13, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 13, 2024, the reporting person was granted 458,795 cash-settled phantom stock units, of which 152,932 vested on each of March 13, 2025 and 2026, and 152,931 vest on December 31, 2026, contingent upon the reporting person's continued employment through each applicable vesting date. The 152,932 phantom stock units that vested on March 13, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 13, 2024, the reporting person was granted 172,048 cash-settled phantom stock units, of which 57,349 vested on each of March 13, 2025 and 2026, and 57,350 vest on March 13, 2027, contingent upon the reporting person's continued employment through each applicable vesting date. The 57,349 phantom stock units that vested on March 13, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 13, 2024, the reporting person was granted 14,337 cash-settled phantom stock units, of which 4,779 vested on each of March 13, 2025 and 2026 and 4,779 vest on March 13, 2027, contingent upon the reporting person's continued employment through each applicable vesting date. The 4,779 phantom stock units that vested on March 13, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 13, 2024, the reporting person was granted 172,048 cash-settled phantom stock units, of which 57,349 vested on each of March 13, 2025 and 2026, and 57,350 vest on March 13, 2027, contingent upon the reporting person's continued employment through each applicable vesting date. The 57,349 phantom stock units that vested on March 13, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 12, 2025, the reporting person was granted 17,495 cash-settled phantom stock units, of which 5,831 vested on March 12, 2026 and 5,832 vest on each of March 12, 2027 and 2028, contingent upon the reporting person's continued employment through each applicable vesting date. The 5,831 phantom stock units that vested on March 12, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 12, 2025, the reporting person was granted 19,439 cash-settled phantom stock units, of which 6,479 vested on March 12, 2026 and 6,480 vest on each of March 12, 2027 and 2028, contingent upon the reporting person's continued employment through each applicable vesting date. The 6,479 phantom stock units that vested on March 12, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 12, 2025, the reporting person was granted 77,754 cash-settled phantom stock units, of which 25,918 vested on March 12, 2026 and 25,918 vest on each of March 12, 2027 and 2028, contingent upon the reporting person's continued employment through each applicable vesting date. The 25,918 phantom stock units that vested on March 12, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 12, 2025, the reporting person was granted 17,495 cash-settled phantom stock units, of which 5,831 vested on March 12, 2026 and 5,832 vest on each of March 12, 2027 and 2028, contingent upon the reporting person's continued employment through each applicable vesting date. The 5,831 phantom stock units that vested on March 12, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 12, 2025, the reporting person was granted 19,439 cash-settled phantom stock units, of which 6,479 vested on March 12, 2026 and 6,480 vest on each of March 12, 2027 and 2028, contingent upon the reporting person's continued employment through each applicable vesting date. The 6,479 phantom stock units that vested on March 12, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 12, 2025, the reporting person was granted 17,495 cash-settled phantom stock units, of which 5,831 vested on March 12, 2026 and 5,832 vest on each of March 12, 2027 and 2028, contingent upon the reporting person's continued employment through each applicable vesting date. The 5,831 phantom stock units that vested on March 12, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.

On March 12, 2025, the reporting person was granted 77,754 cash-settled phantom stock units, of which 25,918 vested on March 12, 2026 and 25,918 vest on each of March 12, 2027 and 2028, contingent upon the reporting person's continued employment through each applicable vesting date. The 25,918 phantom stock units that vested on March 12, 2026 were settled in cash at a value equal to the number of units vested multiplied by the closing price per share of common stock of Tutor Perini Corporation (Issuer) on the vesting date. The reporting person did not purchase or sell any shares of common stock in the settlement of this award, however, the transaction is required to be reported as an acquisition and disposition of shares back to the Issuer under SEC reporting principles.