UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DCD.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of ~~the~~The

Securities Exchange Act of 1934

Date of ~~report~~Report (Date of earliest event reported): May 6 20, 2026

Tutor Perini Corporation

(Exact ~~Name~~name of ~~Registrant~~registrant as ~~Specified~~specified in its ~~Charter~~charter)

Massachusetts	1-6314	04-1717070
(State or Other Jurisdictionof Incorporation)	(CommissionFile Number)	(IRS EmployerIdentification No.)
(State or other jurisdictionof incorporation)	(CommissionFile Number)	(IRS EmployerIdentification No.)

15901 Olden Street, Sylmar, California 91342-1093

(Address of ~~Principal~~principal ~~Executive~~executive ~~Offices~~offices, and Zip Code)

(818) 362-8391

(Registrant’s ~~Telephone~~telephone ~~Number~~number, ~~Including~~including ~~Area~~area ~~Code~~code)

None

(Former ~~Name~~name or ~~Former~~former ~~Address~~address, if ~~Changed~~changed ~~Since~~since ~~Last~~last ~~Report~~report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class			Trading Symbol(s)			Name of each exchange on which registered
Common Stock, $1.00 par value			TPC			The New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).


Emerging growth company						☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.						☐

Item 25.02. ~~Results~~Departure of ~~Operations~~Directors ~~and~~or ~~Financial~~Principal ~~Condition~~Officers; Election of Directors; Appointment of Principal Officers; Compensatory Arrangements of Certain Officers.

(e) On May 6 20, 2026, the Compensation Committee of the Board of Directors of Tutor Perini Corporation ~~issued~~(the a“Company”) ~~press~~unanimously ~~release~~approved ~~announcing~~the ~~its~~Tutor ~~financial~~Perini ~~results~~Corporation ~~for~~Deferred Compensation Plan (the ~~quarter~~“Plan”). ~~ended~~The ~~March 31,~~Plan ~~2026.~~is Aintended ~~copy~~to be an unfunded arrangement for eligible employees who are part of ~~that~~a ~~press~~select ~~release~~group isof ~~attached~~management ~~hereto~~or ashighly ~~Exhibit~~compensated ~~99.1~~employees of the Company and its subsidiaries within the meaning of ERISA and is ~~incorporated~~intended ~~herein~~to bycomply ~~reference~~with the requirements of Section 409A of the Internal Revenue Code of 1986, as amended.

~~The~~Under ~~information~~the ~~in this Current Report on Form 8-K~~Plan, ~~including~~eligible ~~Exhibit~~employees ~~99.1~~designated ~~hereto,~~by ~~is being furnished to~~ the ~~Securities and Exchange Commission and shall not be deemed “filed” for any purpose~~Company, including ~~for purposes of Section 18 of~~ the ~~Securities~~Company’s ~~Exchange~~named ~~Act~~executive ~~of 1934~~officers, asmay ~~amended,~~participate orin ~~otherwise~~the ~~subject~~Plan to ~~the~~defer ~~liabilities~~receipt of ~~such~~their ~~section.~~cash ~~The~~compensation, ~~information~~including ina ~~this~~percentage ~~Current Report on Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act~~ of ~~1933,~~their ~~as amended~~salaries, orannual ~~the~~and ~~Securities~~long-term ~~Exchange~~incentive ~~Act of 1934~~bonuses, ascash-settled ~~amended,~~restricted ~~regardless~~stock ofunits ~~any~~and ~~general~~cash-settled ~~incorporation~~performance ~~language~~stock ~~in such filing~~units.

~~Item~~Elective 9deferrals of cash compensation are credited to a bookkeeping account established in the name of the participant.01 A participant is always 100% vested in their elective cash deferrals and any earnings thereon. ~~Financial~~ ~~Statements~~The Company may make discretionary contributions to the Plan for selected participants and ~~Exhibits~~may subject such contributions to a vesting schedule.

Participant accounts will be credited with an investment return determined as if each account were invested in various investment alternatives made available by the Plan administrator and elected by the participant. The Company may set aside assets to fund its obligations under the Plan in a limited (d“rabbi”) ~~Exhibits~~ trust, subject to the claims of the Company’s creditors in the event of the Company’s bankruptcy or insolvency.

Exhibit Number						Description
99.1						Press release
104						The cover page from this Current Report on Form 8-K formatted in Inline XBRL (included as Exhibit 101).

Participants may elect to receive distributions of their accounts: (i) while still in the service of the Company, in either a lump sum or in two to five annual installments, in each case beginning no earlier than two years after such amounts were earned; (ii) upon a separation from service prior to reaching retirement eligibility (which is age 60 with at least seven years of cumulative service), in a lump sum paid no earlier than six months after separation from service; or (iii) upon a separation from service on or after reaching retirement eligibility, in either a lump sum or in two to 10 annual installments, in each case beginning no earlier than six months after separation from service. In addition, a participant’s account balance will be distributed within 30 days following the participant’s death, without regard to any participant election. A participant may also request a distribution from the Plan due to an unforeseeable emergency, subject to the approval of the Plan administrator.

The foregoing summary of the Plan does not purport to be complete and is subject to, and qualified in its entirety by, the full text of the Plan, which will be filed as an exhibit to the Company’s Quarterly Report on Form 10-Q for the quarter ending June 30, 2026, and is incorporated herein by this reference.

Item 5.07. Submission of Matters to a Vote of Security Holders.

At the Annual Meeting, the Company’s shareholders voted on three proposals as described in the Proxy Statement, and cast their votes as set forth below.

~~SIGNATURE~~Proposal 1: Election of Directors

~~Pursuant~~The toCompany's ~~the~~shareholders ~~requirements~~elected each of the ~~Securities~~following ~~Exchange~~10 ~~Act~~nominees offor ~~1934,~~director to serve until the ~~registrant~~Company's ~~has~~2027 ~~duly~~Annual ~~caused~~Meeting ~~this~~of ~~report~~Shareholders toand beuntil ~~signed~~their onrespective ~~its~~successors ~~behalf~~are byduly elected and qualified. The final voting results for the ~~undersigned~~election ~~hereunto~~of ~~duly~~directors ~~authorized.~~were as follows:

		TUTOR PERINI CORPORATION
Elected Directors		Votes For		Votes Against	Abstentions	Broker Non-Votes
Date:	May 6, 2026	By:	/s/ Ryan J. Soroka
Ronald N. Tutor		38,926,119		917,257	23,857	5,960,026
			Ryan J. Soroka
Gary G. Smalley		39,410,176		436,392	20,665	5,960,026
			Executive Vice President and Chief Financial Officer
Peter Arkley		38,956,354		891,377	19,502	5,960,026
Jigisha Desai		36,091,008		3,755,431	20,794	5,960,026
Sidney J. Feltenstein		39,169,454		675,126	22,653	5,960,026
Robert C. Lieber		39,067,451		775,638	24,144	5,960,026
Dennis D. Oklak		39,483,643		359,446	24,144	5,960,026
Raymond R. Oneglia		38,220,426		1,622,382	24,425	5,960,026
Dale Anne Reiss		38,815,159		1,028,579	23,495	5,960,026
Shahrokh (“Rock”) Shah		39,522,340		318,864	26,029	5,960,026

Proposal 2: Ratification of Appointment of Independent Auditor

The Company's shareholders ratified the appointment of Deloitte & Touche LLP, an independent registered public accounting firm, as independent auditors of the Company for the year ending December 31, 2026. The final voting results on this proposal were as follows:


Votes For	Votes Against	Abstentions	Broker Non-Votes
44,877,918	937,200	12,141	0

Proposal 3: Approval of the Compensation of the Company’s Named Executive Officers on an Advisory (Non-binding) Basis

The Company’s shareholders cast their votes with respect to the approval of the compensation of the Company's named executive officers on an advisory (non-binding) basis. The final voting results on this proposal were as follows:


Votes For	Votes Against	Abstentions	Broker Non-Votes
38,631,812	952,357	283,064	5,960,026

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.



		TUTOR PERINI CORPORATION

Date:	May 26, 2026	By:	/s/ Ifigenia Protopappas
			Ifigenia Protopappas
			Corporate Secretary

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