Dana O'Brien to sell 2,000 STRL shares

A person named Dana C. O'Brien has filed a Rule 144 notice to sell 2,000 shares of STRL common stock through Fidelity Brokerage Services on the NASDAQ.

Accepted by SEC EDGAR 02/09/2026 - 01:44 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

A person named Dana C. O'Brien has filed a Rule 144 notice to sell 2,000 shares of STRL common stock through Fidelity Brokerage Services on the NASDAQ. The filing lists an aggregate market value of $820,000 and an approximate sale date of 02/09/2026.

The 2,000 shares come from restricted stock that vested as compensation, including 647 shares acquired on 05/05/2022 and 1,353 shares acquired on 05/03/2024. The notice also reports that Dana C. O'Brien sold 2,000 STRL common shares on 02/06/2026 for $790,000 in gross proceeds.

FAQ

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What does the STRL Rule 144 filing by Dana C. O'Brien disclose?

The filing discloses that Dana C. O'Brien plans to sell 2,000 STRL common shares with an aggregate market value of $820,000. The planned sale is through Fidelity Brokerage on NASDAQ, with an approximate sale date of February 9, 2026, under Rule 144.

How many STRL shares is Dana C. O'Brien planning to sell under Rule 144?

Dana C. O'Brien plans to sell 2,000 STRL common shares. The filing lists an aggregate market value of $820,000 for this block, to be sold through Fidelity Brokerage Services on NASDAQ around February 9, 2026, under Rule 144.

How were the STRL shares being sold by Dana C. O'Brien originally acquired?

The STRL shares were acquired through restricted stock vesting as compensation from the issuer. The filing shows 647 shares vesting on May 5, 2022, and 1,353 shares vesting on May 3, 2024, which together total the 2,000 shares now planned for sale.

What prior STRL stock sales by Dana C. O'Brien are reported in the last 3 months?

The filing reports that Dana C. O'Brien sold 2,000 STRL common shares on February 6, 2026. Those shares generated gross proceeds of $790,000, and this past sale is disclosed alongside the new planned 2,000-share Rule 144 sale.

On which exchange will Dana C. O'Brien’s STRL shares be sold and through which broker?

The filing states that the 2,000 STRL common shares are to be sold on NASDAQ. Fidelity Brokerage Services LLC, located in Smithfield, Rhode Island, is listed as the broker handling this planned Rule 144 transaction for Dana C. O'Brien.

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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	0001134707
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	STERLING INFRASTRUCTURE, INC.
SEC File Number	001-31993
Address of Issuer	1800 HUGHES LANDING BLVD. SUITE 250 THE WOODLANDS TEXAS 77380
Phone	281-214-0777
Name of Person for Whose Account the Securities are To Be Sold	O'Brien Dana C.
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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	2000	820000.00	30719373	02/09/2026	NASDAQ

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	05/05/2022	Restricted Stock Vesting	Issuer			647	05/05/2022	Compensation
Common	05/03/2024	Restricted Stock Vesting	Issuer			1353	05/03/2024	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
Dana C. O'Brien 1800 Hughes Landing Blvd. The Woodlands TX 77380	Common	02/06/2026	2000	790000.00

144: Remarks and Signature

Remarks
Date of Notice	02/09/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/06/2025
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/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Dana C. O'Brien
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)