Tutor Perini (NYSE: TPC) VP exercises 3,240 RSUs with share tax withholding

Rhea-AI Filing Summary

Tutor Perini Corporation insider Henry Dieu, the VP & Chief Accounting Officer, exercised restricted stock units into common shares and had shares withheld for taxes. On March 12, 2026, 3,240 restricted stock units converted into 3,240 shares of common stock on a 1‑for‑1 basis. Of these, 1,421 shares were disposed of at a value of $69.20 per share to cover tax obligations, leaving Dieu with 1,819 common shares held directly. Following the vesting, 6,480 restricted stock units remain outstanding from the original 9,720‑unit grant that vests in equal parts over three years, conditioned on continued employment.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

DIEU HENRY

(Last) (First) (Middle)

C/O TUTOR PERINI CORPORATION

15901 OLDEN STREET

(Street)

SYLMAR CA 91342

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TUTOR PERINI CORP [ TPC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP & Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/12/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/12/2026		M		3,240	A	(1)	3,240	D
Common Stock	03/12/2026		F		1,421	D	$69.2	1,819	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	03/12/2026		M			3,240	(2)	(2)	Common Stock	3,240	$0	6,480	D

Explanation of Responses:

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

2. On March 12, 2025, the reporting person was granted 9,720 RSUs, of which 3,240 vested on March 12, 2026 and 3,240 vest on each of March 12, 2027 and 2028, contingent upon the reporting person's continued employment through these dates.

Remarks:

	/s/ Ifigenia Protopappas, Attorney-in-Fact	03/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did TPC executive Henry Dieu report on March 12, 2026?

Henry Dieu reported exercising 3,240 restricted stock units into 3,240 common shares. Of these, 1,421 shares were disposed of at $69.20 per share to satisfy tax obligations, leaving 1,819 common shares held directly after the transactions.

How many Tutor Perini (TPC) RSUs did Henry Dieu exercise and retain exposure to?

Henry Dieu exercised 3,240 restricted stock units, converting them into common stock on a 1‑for‑1 basis. After this vesting event, 6,480 restricted stock units from the original 9,720‑unit grant remain scheduled to vest in later years, subject to continued employment.

Was Henry Dieu’s Form 4 transaction in TPC stock an open-market sale?

The Form 4 reflects a tax-withholding disposition, not an open-market sale. Of the 3,240 newly issued shares, 1,421 were transferred at $69.20 per share to cover tax liabilities associated with the vesting of restricted stock units.

What new TPC common stock holdings does Henry Dieu report after these transactions?

After the March 12, 2026 transactions, Henry Dieu directly holds 1,819 shares of Tutor Perini common stock. These shares remain after exercising 3,240 restricted stock units and using 1,421 of the resulting shares to satisfy associated tax obligations.

What is the vesting schedule for Henry Dieu’s 9,720 TPC restricted stock units?

The 9,720 restricted stock units were granted on March 12, 2025. They vest in three equal installments of 3,240 units on March 12 of 2026, 2027 and 2028, contingent on Henry Dieu’s continued employment through each respective vesting date.

How do Henry Dieu’s TPC RSUs convert into common stock?

Henry Dieu’s restricted stock units convert to Tutor Perini common stock on a 1‑for‑1 basis. This means each vested RSU delivers one share of common stock when it vests, as shown by the 3,240 RSUs converting into 3,240 common shares on March 12, 2026.