Form 144: Robert C. Lieber proposes sale of 10,000 shares

Robert C. Lieber reported a proposed sale of 10,000 shares of common stock via a Form 144, with the sale date listed as 05/19/2026 and a reported gross amount of $742,517.00.

Rhea-AI Filing Summary

Robert C. Lieber reported a proposed sale of 10,000 shares of common stock via a Form 144, with the sale date listed as 05/19/2026 and a reported gross amount of $742,517.00. The filing also lists 17,500 common shares under the securities-to-be-sold fields with an associated value of $1,318,840.25 as of 05/27/2026.

Insights

Equity Markets Analyst

Routine insider resale notice showing a modest-sized director sale.

The filing documents a proposed disposition of 10,000 shares on 05/19/2026 with a stated gross figure of $742,517.00. Form 144 notices are procedural disclosures required when insiders intend to sell restricted or control securities.

Timing and exact execution details are not provided here; subsequent transaction reports or broker confirmations would show whether and how the sale was completed.

Corporate Governance Specialist

Disclosure aligns with standard insider resale procedures under securities rules.

The record lists multiple grant/compensation acquisition dates and labels such as "Private Acquisition from Issuer/Affiliate" and "Compensation Common," indicating these shares originated from issuer-related awards. The filing names the broker-dealer address tied to the transaction.

Cash-flow treatment and whether any sale was effected under a trading plan are not specified in the excerpt.

Key Figures

Shares sold (proposed): 10,000 shares Reported gross amount: $742,517.00 Securities listed under to-be-sold fields: 17,500 shares +1 more

4 metrics

Shares sold (proposed) 10,000 shares proposed sale date <date>05/19/2026</date>

Reported gross amount $742,517.00 amount associated with the 10,000-share entry dated <date>05/19/2026</date>

Securities listed under to-be-sold fields 17,500 shares listed alongside broker and exchange info as of <date>05/27/2026</date>

Associated value $1,318,840.25 numeric field adjacent to the 17,500-share entry dated <date>05/27/2026</date>

Key Terms

Form 144, Private Acquisition from Issuer/Affiliate, Compensation Common

3 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Private Acquisition from Issuer/Affiliate financial

"Common | 05/26/2017 | Private Acquisition from Issuer/Affiliate"

Compensation Common financial

"05/27/2015 | Private Acquisition from Issuer/Affiliate | Issuer | | | 10486 | 05/27/2015 | Compensation Common"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Robert C. Lieber's Form 144 for TPC disclose?

The Form 144 discloses a proposed sale of 10,000 shares with a reported gross amount of $742,517.00, dated 05/19/2026. The filing also lists 17,500 common shares and a value of $1,318,840.25 as of 05/27/2026.

Does the Form 144 confirm the sale was completed?

No. The Form 144 shows a proposed disposition on 05/19/2026 and reports amounts; it does not itself confirm whether the broker executed the sale or the final proceeds received.

What type of shares are listed in the filing?

The filing lists Common shares acquired via entries labeled "Private Acquisition from Issuer/Affiliate" and "Compensation Common," indicating the shares originated from issuer-related compensation grants.

Where was the sale routed according to the Form 144?

The filing names Morgan Stanley Smith Barney LLC with an address at 1 New York Plaza, indicating that broker-dealer was associated with the securities transaction notice.

What dates appear in the Form 144 filing?

Key dates shown are the proposed sale date 05/19/2026 and an entry date of 05/27/2026 tied to the securities-to-be-sold fields; acquisition dates include 05/27/2015, 06/06/2016, and 05/26/2017.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/27/2026 - 04:05 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001616149
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	TUTOR PERINI CORPORATION
SEC File Number	001-06314
Address of Issuer	15901 Olden Street Sylmar CALIFORNIA 91342
Phone	818-362-8391
Name of Person for Whose Account the Securities are To Be Sold	ROBERT C. LIEBER
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	17500	1318840.25	52614703	05/27/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	05/26/2017	Private Acquisition from Issuer/Affiliate	Issuer			2870	05/26/2017	Compensation
Common	05/27/2015	Private Acquisition from Issuer/Affiliate	Issuer			10486	05/27/2015	Compensation
Common	06/06/2016	Private Acquisition from Issuer/Affiliate	Issuer			4144	06/06/2016	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
ROBERT C. LIEBER 15901 Olden Street Sylmar CA 91342	Common	05/19/2026	10000	742517.00

144: Remarks and Signature

Remarks
Date of Notice	05/27/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Robert C Lieber
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)