Kristiyan D. Assouri - 12 Mar 2026 Form 4 Insider Report for TUTOR PERINI CORP (TPC)

Role: EVP and Chief Legal Officer
Signature: /s/ Ifigenia Protopappas, Attorney-in-Fact
Issuer symbol: TPC
Transactions as of: 12 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 16 Mar 2026, 20:13:51 UTC
Previous filing: 14 Mar 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Assouri Kristiyan D	EVP and Chief Legal Officer	C/O TUTOR PERINI CORPORATION, 15901 OLDEN STREET, SYLMAR	/s/ Ifigenia Protopappas, Attorney-in-Fact	16 Mar 2026	0002024708

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TPC	Common Stock	Options Exercise		+5,831			5,831	12 Mar 2026	Direct	F1
transaction	TPC	Common Stock	Disposed to Issuer		-5,831	-100%	$69.20^*	0	12 Mar 2026	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	TPC	Phantom Stock Units	Options Exercise		-5,831	-33%	$0.000000^*	11,664	12 Mar 2026	Common Stock	5,831		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.

Content

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.